{"id":17255,"date":"2024-07-16T20:11:28","date_gmt":"2024-07-16T20:11:28","guid":{"rendered":"https:\/\/aludiecasting.com\/?p=17255"},"modified":"2024-07-16T20:11:28","modified_gmt":"2024-07-16T20:11:28","slug":"acier-inoxydable-303-vs-304","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/","title":{"rendered":"Acier inoxydable 303 vs 304 : Comprendre la diff\u00e9rence entre l'acier inoxydable 303 et 304"},"content":{"rendered":"<p class=\"MsoNormal\">Pour choisir l'acier inoxydable le mieux adapt\u00e9 \u00e0 votre projet, vous devez comprendre les principales diff\u00e9rences entre les qualit\u00e9s courantes. Les deux aciers inoxydables aust\u00e9nitiques les plus utilis\u00e9s sont les suivants<a href=\"https:\/\/www.acerinox.com\/en\/soluciones\/listado-de-tipos-de-acero\/EN-1.4305---AISI-303\/\" target=\"_blank\" rel=\"noopener\"> AISI 303<\/a> et AISI 304 (\u00e9galement connu sous le nom de SS 303 et SS 304).<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>Cependant, ils pr\u00e9sentent des caract\u00e9ristiques diff\u00e9rentes qui les rendent adapt\u00e9s \u00e0 certains usages. Ce guide donne un aper\u00e7u des caract\u00e9ristiques de l'acier inoxydable 303 par rapport \u00e0 l'acier inoxydable 304.<\/p>\n<p class=\"MsoNormal\">Mais comment choisir entre ces deux cat\u00e9gories celle qui convient le mieux \u00e0 vos applications ?<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7c7c7c;color:#7c7c7c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7c7c7c;color:#7c7c7c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Understanding_Stainless_Steel_Grades\" >Comprendre les nuances d'acier inoxydable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#303_vs_304_Stainless_Steel_Grades\" >Nuances d'acier inoxydable 303 et 304<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Understanding_Machinability_of_304_vs_303_stainless_steel\" >Comprendre l'usinabilit\u00e9 de l'acier inoxydable 304 par rapport \u00e0 l'acier inoxydable 303\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Grade_303\" >Note 303<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Grade_304_%E2%80%93_A_Balancing_Act\" >Note 304 - Un num\u00e9ro d'\u00e9quilibriste<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Mechanical_Properties\" >Propri\u00e9t\u00e9s m\u00e9caniques<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Austenitic_Structure_and_its_Impact\" >Structure aust\u00e9nitique et son impact\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Comparison_of_Strengths\" >Comparaison des points forts<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Heat_Treatment_and_Formability\" >Traitement thermique et formabilit\u00e9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Solution_Treatment\" >Traitement des solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Weldability_Differences\" >Diff\u00e9rences de soudabilit\u00e9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Cost_303_stainless_steel_vs_304_stainless_steel\" >Co\u00fbt de l'acier inoxydable 303 par rapport \u00e0 l'acier inoxydable 304\u00a0\u00a0\u00a0\u00a0\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Market_Price_Fluctuations\" >Fluctuations des prix du march\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Grade_303_%E2%80%93_Generally_Lower_Cost\" >Grade 303 - G\u00e9n\u00e9ralement moins cher<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Grade_304_%E2%80%93_Slightly_Higher_Cost\" >Grade 304 - co\u00fbt l\u00e9g\u00e8rement plus \u00e9lev\u00e9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Common_Applications_of_ss_303_vs_304\" >Applications courantes de ss 303 vs 304\u00a0\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#i\" >\u00a0\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Corrosion_Resistance\" >R\u00e9sistance \u00e0 la corrosion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Pitting_Resistance_and_the_Role_of_Chromium\" >R\u00e9sistance \u00e0 la piq\u00fbre et r\u00f4le du chrome<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Durability_Comparison_in_Different_Environments\" >Comparaison de la durabilit\u00e9 dans diff\u00e9rents environnements<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/aludiecasting.com\/fr\/acier-inoxydable-303-vs-304\/#Conclusion\" >Conclusion :<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Stainless_Steel_Grades\"><\/span>Comprendre les nuances d'acier inoxydable<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Mat\u00e9riau adaptable et \u00e9conomique, l'acier inoxydable est reconnu pour sa bonne r\u00e9sistance \u00e0 l'oxydation et \u00e0 certaines formes de corrosion avec une structure aust\u00e9nitique. Par exemple, les nuances aust\u00e9nitiques 303 et 304 sont fr\u00e9quemment utilis\u00e9es.<\/p>\n<p class=\"MsoNormal\">Ils sont faciles \u00e0 fa\u00e7onner et offrent une excellente r\u00e9sistance \u00e0 la corrosion ainsi qu'une excellente aptitude au formage. Cependant, le choix de la nuance est assez similaire \u00e0 la s\u00e9lection de l'outil appropri\u00e9 pour le travail ; il doit \u00eatre parfait pour l'op\u00e9ration. Pour en savoir plus, consultez notre guide, afin d'obtenir le meilleur r\u00e9sultat possible pour le travail et la durabilit\u00e9 du mat\u00e9riau.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"303_vs_304_Stainless_Steel_Grades\"><\/span>Nuances d'acier inoxydable 303 et 304<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304ss-grades.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17257 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304ss-grades-1024x536.png\" alt=\"303 vs 304 ss\t\" width=\"1024\" height=\"536\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304ss-grades-1024x536.png 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304ss-grades-980x513.png 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304ss-grades-480x251.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a><\/p>\n<p class=\"MsoNormal\">Bien qu'il s'agisse d'aciers inoxydables aust\u00e9nitiques et que leur base chimique soit similaire, les deux nuances pr\u00e9sentent des caract\u00e9ristiques comparables, \u00e0 savoir une excellente r\u00e9sistance \u00e0 la corrosion et des propri\u00e9t\u00e9s amagn\u00e9tiques. Avec une teneur en soufre comprise entre 0,15% et 0,35%, le 303 est une nuance d'acier inoxydable aust\u00e9nitique qui offre une usinabilit\u00e9 exceptionnelle.<\/p>\n<p class=\"MsoNormal\"><b style=\"mso-bidi-font-weight: normal;\">Acier inoxydable 303 vs acier inoxydable 304 : Tableau comparatif<\/b><\/p>\n<table class=\"MsoNormalTable\" style=\"width: 453.95pt; border-collapse: collapse; mso-yfti-tbllook: 1184; mso-padding-alt: 0in 0in 0in 0in;\" border=\"0\" width=\"605\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\"><b style=\"mso-bidi-font-weight: normal;\">Propri\u00e9t\u00e9<\/b><\/p>\n<\/td>\n<td style=\"border: solid #CCCCCC 1.0pt; border-left: none; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\"><b style=\"mso-bidi-font-weight: normal;\">Acier inoxydable 303<\/b><\/p>\n<\/td>\n<td style=\"border: solid #CCCCCC 1.0pt; border-left: none; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 0in 1.5pt 0in; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\"><b style=\"mso-bidi-font-weight: normal;\">Acier inoxydable 304<\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 1; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Composition chimique<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">17% Chrome, 8% Nickel, 0,15% Soufre\/S\u00e9l\u00e9nium (min)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 0in 1.5pt 0in; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">18% Chrome, 8% Nickel (min)<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 2; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Usinabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Excellent (gr\u00e2ce au soufre\/s\u00e9l\u00e9nium)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Bon<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 3; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Soudabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Pauvre<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Bon<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 4; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Formabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Bon<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Bon<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 5; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">R\u00e9sistance \u00e0 la traction (MPa)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">510-590<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">535-750<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 6; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Limite d'\u00e9lasticit\u00e9 (MPa)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">205-290<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">205-325<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 7; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">\u00c9longation (%)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">40-60<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">40-60<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 8; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Densit\u00e9 (g\/cm\u00b3)<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">7.93<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">7.93<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 9; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">R\u00e9sistance \u00e0 la corrosion<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Mod\u00e9r\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Excellent<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 10; mso-yfti-lastrow: yes; height: 15.75pt;\">\n<td style=\"border: solid #CCCCCC 1.0pt; border-top: none; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Co\u00fbt<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Plus bas<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid #CCCCCC 1.0pt; border-right: solid #CCCCCC 1.0pt; mso-border-top-alt: solid #CCCCCC .75pt; mso-border-left-alt: solid #CCCCCC .75pt; mso-border-alt: solid #CCCCCC .75pt; padding: 1.5pt 2.25pt 1.5pt 2.25pt; height: 15.75pt;\" valign=\"bottom\">\n<p class=\"MsoNormal\">Plus \u00e9lev\u00e9<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\">Il contient 8%-10% de nickel et 18% de chrome. La teneur en soufre compense largement la r\u00e9sistance \u00e0 la corrosion qu'il devrait normalement offrir. Il en r\u00e9sulte une l\u00e9g\u00e8re r\u00e9duction de la t\u00e9nacit\u00e9 et une diminution de la r\u00e9sistance \u00e0 la corrosion.<\/p>\n<p class=\"MsoNormal\">Le fait qu'il soit facilement usinable implique un compromis. Il est souvent plus cher que l'alliage 304 parce que sa mise en forme et son emboutissage ne n\u00e9cessitent pas autant de travail. M\u00eame si le 303 n'est pas aussi r\u00e9sistant \u00e0 la corrosion que le 304, il est tout de m\u00eame assez r\u00e9sistant \u00e0 l'oxydation lorsqu'il est expos\u00e9 \u00e0 des temp\u00e9ratures allant jusqu'\u00e0 1400 \u00b0F \u00e0 l'occasion.<\/p>\n<p class=\"MsoNormal\">\u00a0Il faut garder \u00e0 l'esprit que la teneur en soufre rend le 303 peu soudable, ce qui peut provoquer des fissures. En outre, le s\u00e9l\u00e9nium est parfois utilis\u00e9 \u00e0 la place du soufre. Le r\u00e9sultat est le m\u00eame que celui du soufre, \u00e0 savoir une am\u00e9lioration de l'usinabilit\u00e9 et une diminution de la r\u00e9sistance \u00e0 la corrosion.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Machinability_of_304_vs_303_stainless_steel\"><\/span>Comprendre l'usinabilit\u00e9 de l'acier inoxydable 304 par rapport \u00e0 l'acier inoxydable 303<span style=\"mso-tab-count: 1;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Grade_303\"><\/span>Note 303 <b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">La nuance 303 de l'acier inoxydable est appel\u00e9e le roi de l'usinabilit\u00e9 en raison de la pr\u00e9sence de soufre ou de s\u00e9l\u00e9nium dans l'acier. Cela permet d'am\u00e9liorer les caract\u00e9ristiques m\u00e9caniques d'un alliage gr\u00e2ce aux propri\u00e9t\u00e9s de d\u00e9colletage de la nuance 303. Il permet aux fabricants de produire de grands volumes rapidement et de mani\u00e8re plus propre.<\/p>\n<p class=\"MsoNormal\">Cette nuance convient aux applications n\u00e9cessitant des formes complexes et des d\u00e9tails fins, offrant des possibilit\u00e9s d'usinage de pr\u00e9cision. Elle r\u00e9duit les risques d'usure des outils et prolonge la dur\u00e9e de vie des outils de coupe.<\/p>\n<p class=\"MsoNormal\">Ils en font un choix abordable pour la fabrication en grande s\u00e9rie. Toutefois, ce compromis entra\u00eene une l\u00e9g\u00e8re diminution de la r\u00e9sistance \u00e0 la corrosion, ce qui peut limiter son utilisation dans certains environnements.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_304_%E2%80%93_A_Balancing_Act\"><\/span>Note 304 - Un num\u00e9ro d'\u00e9quilibriste<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">La nuance 304 se durcissant rapidement, l'usinabilit\u00e9 est un probl\u00e8me pour la nuance 303. Contrairement \u00e0 la nuance 303, la composition chimique de l'acier inoxydable 304 est pr\u00e9f\u00e9r\u00e9e dans de nombreuses industries en raison de sa fiabilit\u00e9 et de sa robustesse, malgr\u00e9 sa moindre usinabilit\u00e9. Son \u00e9quilibre entre une bonne formabilit\u00e9 et une excellente r\u00e9sistance \u00e0 la corrosion en fait une option polyvalente.<\/p>\n<p class=\"MsoNormal\">Cette qualit\u00e9 est largement utilis\u00e9e pour produire des applications n\u00e9cessitant \u00e0 la fois un usinage et un soudage, comme les \u00e9quipements de cuisine, les structures architecturales et les conteneurs de produits chimiques. Leurs excellentes caract\u00e9ristiques anticorrosion leur permettent de r\u00e9sister \u00e0 des conditions difficiles sans compromettre leur int\u00e9grit\u00e9.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mechanical_Properties\"><\/span>Propri\u00e9t\u00e9s m\u00e9caniques<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Les qualit\u00e9s 303 et 304 de l'acier inoxydable ont les m\u00eames propri\u00e9t\u00e9s, \u00e0 l'exception du point de fusion. Leur densit\u00e9 serait la m\u00eame si leur composition chimique \u00e9tait l\u00e9g\u00e8rement diff\u00e9rente. Leurs structures cristallines sont tr\u00e8s similaires, les atomes \u00e9tant dispos\u00e9s selon un sch\u00e9ma r\u00e9gulier et r\u00e9p\u00e9titif, car il s'agit d'alliages d'acier inoxydable aust\u00e9nitique.<\/p>\n<p class=\"MsoNormal\">Le 304 a un peu plus de chrome, mais pas toujours. L'inclusion de soufre n'a aucun impact significatif sur la structure cristalline ou l'espacement des particules interatomiques.<\/p>\n<table class=\"MsoNormalTable\" style=\"width: 487.85pt; border-collapse: collapse; mso-yfti-tbllook: 1184;\" border=\"0\" width=\"650\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\">\n<td style=\"border: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Propri\u00e9t\u00e9s<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Acier inoxydable de qualit\u00e9 303<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Acier inoxydable de qualit\u00e9 304<\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 1;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Densit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">0,289 lb\/in\u00b3<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">0,289 lb\/in\u00b3<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 2;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Point de fusion<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">2550 - 2590\u00b0F<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">2642\u00b0F<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 3;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Module d'\u00e9lasticit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">28 000 ksi<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">28 000 ksi<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 4;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9sistivit\u00e9 \u00e9lectrique<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">0,72 x 10-\u2076 \u03a9-m<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">0,72 x 10-\u2076 \u03a9-m<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 5;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Conductivit\u00e9 thermique<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">112 BTU-in\/hr-ft\u00b2-\u00b0F<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">112 BTU-in\/hr-ft\u00b2-\u00b0F<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 6; mso-yfti-lastrow: yes;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Module de cisaillement<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">11 200 ksi<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">11 200 ksi<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Austenitic_Structure_and_its_Impact\"><\/span>Structure aust\u00e9nitique et son impact\u00a0<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Les nuances d'acier inoxydable offrent des propri\u00e9t\u00e9s non magn\u00e9tiques et une bonne aptitude au formage, tout en contribuant \u00e0 la structure aust\u00e9nitique. Leur structure aust\u00e9nitique permet de produire des applications sp\u00e9cifiques n\u00e9cessitant une t\u00e9nacit\u00e9 et une durabilit\u00e9 \u00e9lev\u00e9es.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>Il permet au mat\u00e9riau de conserver sa r\u00e9sistance \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es. Cela permet de fabriquer des produits automobiles et a\u00e9rospatiaux. En outre, cette structure aust\u00e9nitique peut \u00eatre utilis\u00e9e dans l'environnement pour surmonter des contraintes m\u00e9caniques \u00e9lev\u00e9es.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Strengths\"><\/span>Comparaison des points forts<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Comme la nuance 303 contient du s\u00e9l\u00e9nium ou du soufre, ses performances en termes de limite d'\u00e9lasticit\u00e9 et de r\u00e9sistance \u00e0 la traction sont l\u00e9g\u00e8rement sup\u00e9rieures \u00e0 celles de la nuance 304. Toutefois, il est essentiel de prendre en compte d'autres facteurs de t\u00e9nacit\u00e9 et de ductilit\u00e9 lors du choix de la nuance appropri\u00e9e entre 303 et 304.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>La s\u00e9lection des nuances d\u00e9pend des exigences sp\u00e9cifiques des applications. Il peut s'agir de contraintes m\u00e9caniques, d'une exposition \u00e0 des \u00e9l\u00e9ments corrosifs et de la n\u00e9cessit\u00e9 d'\u00eatre usinable ou soudable.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Heat_Treatment_and_Formability\"><\/span>Traitement thermique et formabilit\u00e9<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Solution_Treatment\"><\/span>Traitement des solutions<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Le traitement de mise en solution est le processus qui permet d'am\u00e9liorer la structure du grain et la formabilit\u00e9 g\u00e9n\u00e9rale des nuances 303 et 304. Ce processus consiste \u00e0 chauffer les alliages \u00e0 une temp\u00e9rature \u00e9lev\u00e9e, puis \u00e0 les refroidir rapidement. Les caract\u00e9ristiques m\u00e9caniques et les performances du mat\u00e9riau s'en trouvent am\u00e9lior\u00e9es.<\/p>\n<p class=\"MsoNormal\">En outre, ce proc\u00e9d\u00e9 permet de dissoudre les pr\u00e9cipit\u00e9s qui ont pu se former au cours de l'\u00e9laboration afin de garantir une microstructure uniforme. Il contribue \u00e0 am\u00e9liorer la ductilit\u00e9 et la t\u00e9nacit\u00e9 des alliages, ce qui facilite leur mise en forme.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Weldability_Differences\"><\/span>Diff\u00e9rences de soudabilit\u00e9<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">La pr\u00e9sence de soufre ou de s\u00e9l\u00e9nium dans la nuance 303 peut provoquer des fissures \u00e0 chaud pendant le processus de soudage. \u00c0 l'inverse, la nuance 304 pr\u00e9sente une meilleure soudabilit\u00e9, ce qui peut permettre de l'utiliser dans des applications n\u00e9cessitant un soudage important.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>Tenez compte de ce facteur diff\u00e9rentiel lorsque vous choisissez la nuance souhait\u00e9e pour votre projet. La construction de pipelines, de r\u00e9servoirs et d'autres structures o\u00f9 le soudage est n\u00e9cessaire s'adapte \u00e0 la nuance 304. Leur capacit\u00e9 \u00e0 fournir des soudures solides et durables permet de r\u00e9sister \u00e0 diverses contraintes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cost_303_stainless_steel_vs_304_stainless_steel\"><\/span>Co\u00fbt de l'acier inoxydable 303 par rapport \u00e0 l'acier inoxydable 304<span style=\"mso-tab-count: 1;\">\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">La prise en compte du co\u00fbt est un aspect important du choix entre les nuances 303 et 304 pour votre projet. Les principales composantes de ces qualit\u00e9s sont les prix du march\u00e9 du chrome et du nickel. Ces prix fluctuent en fonction de l'offre et de la demande, des \u00e9v\u00e9nements g\u00e9opolitiques et des activit\u00e9s mini\u00e8res. Ces fluctuations ont un impact sur les prix globaux des mat\u00e9riaux en acier inoxydable sur le march\u00e9.<\/p>\n<ul style=\"margin-top: 0in;\" type=\"disc\">\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Fluctuations des prix du march\u00e9<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Grade 303 - G\u00e9n\u00e9ralement moins cher<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Grade 304 - co\u00fbt l\u00e9g\u00e8rement plus \u00e9lev\u00e9<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Market_Price_Fluctuations\"><\/span>Fluctuations des prix du march\u00e9<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Les co\u00fbts du nickel et du chrome peuvent varier en fonction de divers aspects et peuvent \u00eatre influenc\u00e9s par la production mini\u00e8re, la demande mondiale et la stabilit\u00e9 politique. Leurs prix fluctuent en fonction de l'offre et de la demande des fabricants, ce qui entra\u00eene des variations de prix et affecte le co\u00fbt de l'acier inoxydable.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_303_%E2%80%93_Generally_Lower_Cost\"><\/span>Grade 303 - G\u00e9n\u00e9ralement moins cher<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">La faible teneur en nickel et l'usinabilit\u00e9 plus rapide de la nuance 303 la rendent moins ch\u00e8re que la nuance 304. Ses propri\u00e9t\u00e9s r\u00e9duisent le temps de production et les co\u00fbts de main-d'\u0153uvre, et l'ajout de soufre ou de s\u00e9l\u00e9nium am\u00e9liore son usinabilit\u00e9. Cela permet d'acc\u00e9l\u00e9rer les processus de production et de r\u00e9duire les co\u00fbts de fabrication.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_304_%E2%80%93_Slightly_Higher_Cost\"><\/span>Grade 304 - co\u00fbt l\u00e9g\u00e8rement plus \u00e9lev\u00e9<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">La teneur plus \u00e9lev\u00e9e en nickel et l'excellente r\u00e9sistance \u00e0 la corrosion de la nuance 3034 la rendent l\u00e9g\u00e8rement plus ch\u00e8re que la nuance 303. Cependant, les exigences de maintenance moindres et la durabilit\u00e9 du mat\u00e9riau peuvent compenser son co\u00fbt plus \u00e9lev\u00e9. Les exigences de maintenance r\u00e9duites font de la nuance 304 un choix rentable dans diverses industries.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Applications_of_ss_303_vs_304\"><\/span>Applications courantes de ss 303 vs 304<span style=\"mso-tab-count: 1;\">\u00a0\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"i\"><\/span><span style=\"mso-tab-count: 1;\"><a href=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304-stainless-applications.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-17258 size-large\" src=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304-stainless-applications-1024x536.jpg\" alt=\"Acier inoxydable 303 contre acier inoxydable 304\t\" width=\"1024\" height=\"536\" title=\"\" srcset=\"https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304-stainless-applications-1024x536.jpg 1024w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304-stainless-applications-980x513.jpg 980w, https:\/\/aludiecasting.com\/wp-content\/uploads\/2024\/07\/303-vs-304-stainless-applications-480x251.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1024px, 100vw\" \/><\/a>\u00a0\u00a0 <\/span><b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Les utilisations de l'acier inoxydable 303 et 304 sont souvent similaires. Plus pr\u00e9cis\u00e9ment, les aciers 303 et 304 sont couramment utilis\u00e9s dans diverses applications. Elles sont d\u00e9crites ci-dessous, en soulignant les raisons sp\u00e9cifiques de leur utilisation.<\/p>\n<table class=\"MsoNormalTable\" style=\"border-collapse: collapse; mso-yfti-tbllook: 1184;\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\">\n<td style=\"border: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>L'industrie<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Acier inoxydable 303 Applications<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Raison de l'utilisation<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Acier inoxydable 304 Applications<\/b><\/p>\n<\/td>\n<td style=\"border: solid black 1.0pt; border-left: none; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Raison de l'utilisation<\/b><\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 1;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>\u00c9quipement de pr\u00e9paration des aliments<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Convoyeurs, plateaux, chariots et unit\u00e9s de r\u00e9frig\u00e9ration<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Facile \u00e0 nettoyer<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9servoirs, tuyaux et conteneurs<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9sistance \u00e0 la corrosion, facile \u00e0 nettoyer<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 2;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>A\u00e9ronefs<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Arbres, engrenages et accessoires d'a\u00e9ronefs<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Propri\u00e9t\u00e9s anti-grippantes et anti-gonflantes, haute usinabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Structures et moteurs d'a\u00e9ronefs<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Excellente r\u00e9sistance \u00e0 la corrosion, stabilit\u00e9 thermique et rapport r\u00e9sistance\/poids<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 3;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Composants de fixation<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Vis, \u00e9crous et boulons<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9 - facilit\u00e9 \u00e0 produire des formes complexes<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Vis, \u00e9crous et boulons<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Durabilit\u00e9 et r\u00e9sistance \u00e0 la corrosion<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 4;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Composants \u00e9lectroniques<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Entretoises, supports et \u00e9l\u00e9ments de ventilation<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Non-magn\u00e9tique, haute usinabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Entretoises, supports et \u00e9l\u00e9ments de ventilation<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Non-magn\u00e9tique et peu r\u00e9sistant \u00e0 la corrosion<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 5;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Applications industrielles et machines<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Bagues, raccords, corps de vanne, vannes, arbres forg\u00e9s et garnitures de vanne<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9 - facilit\u00e9 \u00e0 produire des formes complexes avec des tol\u00e9rances pr\u00e9cises et des ajustements serr\u00e9s<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9servoirs, tuyaux, raccords et corps de vanne<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9sistance \u00e0 la corrosion, durabilit\u00e9<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 6;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Appareils m\u00e9nagers<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Raccords, vis et boulons pour appareils \u00e9lectrom\u00e9nagers<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9frig\u00e9rateurs, \u00e9viers de cuisine et lave-vaisselle<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Durabilit\u00e9, r\u00e9sistance \u00e0 la corrosion et attrait esth\u00e9tique<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 7;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Automobile<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Arbres, raccords et engrenages<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9, facilit\u00e9 de fabrication<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Syst\u00e8mes d'\u00e9chappement, garnitures et grilles<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9sistance \u00e0 la corrosion, esth\u00e9tique<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 8;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>\u00c9quipement m\u00e9dical<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Instruments chirurgicaux, implants dentaires<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9, non magn\u00e9tique<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Instruments chirurgicaux, instruments dentaires et implants<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Biocompatibilit\u00e9, r\u00e9sistance \u00e0 la corrosion et processus de nettoyage \u00e0 haute temp\u00e9rature<\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 9; mso-yfti-lastrow: yes;\">\n<td style=\"border: solid black 1.0pt; border-top: none; mso-border-top-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>\u00c9quipement de traitement chimique<\/b><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Corps de vanne, raccords et bagues<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Haute usinabilit\u00e9, facilit\u00e9 de fabrication<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">R\u00e9acteurs, r\u00e9servoirs et pipelines<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid black 1.0pt; border-right: solid black 1.0pt; mso-border-top-alt: solid black 1.0pt; mso-border-left-alt: solid black 1.0pt; padding: 5.0pt 5.0pt 5.0pt 5.0pt;\" valign=\"top\">\n<p class=\"MsoNormal\">La r\u00e9sistance \u00e0 la corrosion r\u00e9siste \u00e0 toute une s\u00e9rie de produits chimiques<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Corrosion_Resistance\"><\/span>R\u00e9sistance \u00e0 la corrosion<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">L'acier inoxydable est le mat\u00e9riau le plus appr\u00e9ci\u00e9, largement utilis\u00e9 dans diverses applications d'usinage. Il est donc essentiel de trouver le mat\u00e9riau id\u00e9al pour obtenir le r\u00e9sultat souhait\u00e9. Outre leurs propri\u00e9t\u00e9s m\u00e9caniques et chimiques avantageuses, les nuances d'acier inoxydable poss\u00e8dent diff\u00e9rentes propri\u00e9t\u00e9s de r\u00e9sistance \u00e0 la corrosion.<\/p>\n<ul style=\"margin-top: 0in;\" type=\"disc\">\n<li class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\">R\u00e9sistance \u00e0 la piq\u00fbre et r\u00f4le du chrome<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\">Comparaison de la durabilit\u00e9 dans diff\u00e9rents environnements<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Pitting_Resistance_and_the_Role_of_Chromium\"><\/span>R\u00e9sistance \u00e0 la piq\u00fbre et r\u00f4le du chrome<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Tous les types d'acier inoxydable aust\u00e9nitique pr\u00e9sentent une excellente r\u00e9sistance \u00e0 la corrosion ; la corrosion par piq\u00fbres se produit lorsque le mat\u00e9riau est expos\u00e9 \u00e0 des environnements chlor\u00e9s. En particulier, les deux nuances contiennent des niveaux \u00e9lev\u00e9s de chrome, qui peuvent pr\u00e9venir ce type de corrosion. Toutefois, certaines variantes de la nuance 304 offrent une meilleure r\u00e9sistance \u00e0 la corrosion par piq\u00fbres en raison de leur teneur plus \u00e9lev\u00e9e en chrome.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Durability_Comparison_in_Different_Environments\"><\/span>Comparaison de la durabilit\u00e9 dans diff\u00e9rents environnements<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Toutes les sources atmosph\u00e9riques, les st\u00e9rilisateurs, les produits chimiques organiques et les colorants ne peuvent pas provoquer la corrosion du type 303. Ils r\u00e9sistent mal aux acides halog\u00e8nes, un peu \u00e0 l'acide sulfurique et bien \u00e0 l'acide nitrique.<\/p>\n<p class=\"MsoNormal\">Pour une r\u00e9sistance maximale \u00e0 la corrosion, tous les composants fabriqu\u00e9s \u00e0 partir du grade 303 doivent \u00eatre nettoy\u00e9s. Ils doivent \u00eatre passiv\u00e9s apr\u00e8s <a href=\"https:\/\/aludiecasting.com\/fr\/usinage-cnc-de-precision\/\">Usinage CNC<\/a> pour \u00e9liminer la graisse, l'huile, les empreintes digitales et d'autres particules \u00e9trang\u00e8res, telles que les particules de fer restantes, de l'outillage.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion :<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Bien qu'elles pr\u00e9sentent des propri\u00e9t\u00e9s similaires, les qualit\u00e9s d'acier inoxydable 303 et 304 pr\u00e9sentent des diff\u00e9rences distinctes. Cela repr\u00e9sente un d\u00e9fi dans la s\u00e9lection du mat\u00e9riau appropri\u00e9 pour des applications sp\u00e9cifiques. En raison de la meilleure usinabilit\u00e9 des nuances, la nuance 303 est id\u00e9ale pour les pi\u00e8ces n\u00e9cessitant un usinage minutieux. En outre, cette nuance perd une partie de sa r\u00e9sistance \u00e0 la corrosion en raison de la pr\u00e9sence d'une teneur en soufre plus \u00e9lev\u00e9e.<\/p>\n<p class=\"MsoNormal\">\u00c0 l'inverse, l'acier inoxydable 304 offre une excellente r\u00e9sistance \u00e0 la corrosion et convient \u00e0 une plus large gamme d'applications. Il s'agit donc d'une option plus polyvalente pour les environnements o\u00f9 la corrosion est un probl\u00e8me.<\/p>\n<p class=\"MsoNormal\">Le choix des nuances d\u00e9pend des exigences d'un projet et tient compte de facteurs tels que l'exposition \u00e0 l'environnement, les exigences d'usinage et le rapport co\u00fbt-efficacit\u00e9. Une connaissance approfondie de ces nuances permet au fabricant d'obtenir le r\u00e9sultat souhait\u00e9, en tirant parti de leurs propri\u00e9t\u00e9s uniques.<\/p>\n<p class=\"MsoNormal\">\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Vous h\u00e9sitez entre l'acier inoxydable AISI 303 et l'acier inoxydable AISI 304 (SS 303 et SS 304) ? Ce guide complet pr\u00e9sente les principales diff\u00e9rences entre l'acier inoxydable 303 et l'acier inoxydable 304, telles que l'usinabilit\u00e9, la r\u00e9sistance \u00e0 la corrosion et le co\u00fbt, afin de vous aider \u00e0 choisir la bonne qualit\u00e9.<\/p>","protected":false},"author":2,"featured_media":17256,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-17255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aluminium-alloy-castings"],"_links":{"self":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/17255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/comments?post=17255"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/posts\/17255\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/media\/17256"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/media?parent=17255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/categories?post=17255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/fr\/wp-json\/wp\/v2\/tags?post=17255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}