{"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":"aco-inoxidavel-303-vs-304","status":"publish","type":"post","link":"https:\/\/aludiecasting.com\/pt\/aco-inoxidavel-303-vs-304\/","title":{"rendered":"A\u00e7o inoxid\u00e1vel 303 vs 304: Entenda a diferen\u00e7a entre 303 e 304 ss"},"content":{"rendered":"<p class=\"MsoNormal\">Ao selecionar o a\u00e7o inoxid\u00e1vel mais adequado para o seu projeto, voc\u00ea deve entender as principais diferen\u00e7as entre os tipos comuns. Dois dos a\u00e7os inoxid\u00e1veis austen\u00edticos mais usados s\u00e3o<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> e AISI 304 (tamb\u00e9m conhecido como SS 303 e SS 304).<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>No entanto, eles t\u00eam caracter\u00edsticas diferentes que os tornam bons para determinadas finalidades. Este guia fornecer\u00e1 informa\u00e7\u00f5es sobre as caracter\u00edsticas do a\u00e7o inoxid\u00e1vel 303 versus 304.<\/p>\n<p class=\"MsoNormal\">Mas como voc\u00ea pode escolher o grau apropriado entre eles que se adapte \u00e0s suas aplica\u00e7\u00f5es?<\/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\">\u00cdndice<\/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=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Understanding_Stainless_Steel_Grades\" >Entendendo os tipos de a\u00e7o inoxid\u00e1vel<\/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\/pt\/aco-inoxidavel-303-vs-304\/#303_vs_304_Stainless_Steel_Grades\" >Classes de a\u00e7o inoxid\u00e1vel 303 vs 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\/pt\/aco-inoxidavel-303-vs-304\/#Understanding_Machinability_of_304_vs_303_stainless_steel\" >Entendendo a usinabilidade do a\u00e7o inoxid\u00e1vel 304 vs. 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\/pt\/aco-inoxidavel-303-vs-304\/#Grade_303\" >Grau 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\/pt\/aco-inoxidavel-303-vs-304\/#Grade_304_%E2%80%93_A_Balancing_Act\" >Nota 304 - Um ato de equil\u00edbrio<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Mechanical_Properties\" >Propriedades mec\u00e2nicas<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Austenitic_Structure_and_its_Impact\" >Estrutura austen\u00edtica e seu impacto\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\/pt\/aco-inoxidavel-303-vs-304\/#Comparison_of_Strengths\" >Compara\u00e7\u00e3o de pontos fortes<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Heat_Treatment_and_Formability\" >Tratamento t\u00e9rmico e conformabilidade<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Solution_Treatment\" >Tratamento de solu\u00e7\u00f5es<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Weldability_Differences\" >Diferen\u00e7as de soldabilidade<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Cost_303_stainless_steel_vs_304_stainless_steel\" >Custo do a\u00e7o inoxid\u00e1vel 303 vs. a\u00e7o inoxid\u00e1vel 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\/pt\/aco-inoxidavel-303-vs-304\/#Market_Price_Fluctuations\" >Flutua\u00e7\u00f5es de pre\u00e7os de mercado<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Grade_303_%E2%80%93_Generally_Lower_Cost\" >Grau 303 - Custo geralmente mais baixo<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Grade_304_%E2%80%93_Slightly_Higher_Cost\" >Grau 304 - Custo um pouco mais alto<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Common_Applications_of_ss_303_vs_304\" >Aplica\u00e7\u00f5es comuns 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\/pt\/aco-inoxidavel-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\/pt\/aco-inoxidavel-303-vs-304\/#Corrosion_Resistance\" >Resist\u00eancia \u00e0 corros\u00e3o<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Pitting_Resistance_and_the_Role_of_Chromium\" >Resist\u00eancia \u00e0 corros\u00e3o e o papel do cromo<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Durability_Comparison_in_Different_Environments\" >Compara\u00e7\u00e3o de durabilidade em diferentes ambientes<\/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\/pt\/aco-inoxidavel-303-vs-304\/#Conclusion\" >Conclus\u00e3o:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Stainless_Steel_Grades\"><\/span>Entendendo os tipos de a\u00e7o inoxid\u00e1vel<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Por ser um material adapt\u00e1vel e econ\u00f4mico, o a\u00e7o inoxid\u00e1vel \u00e9 reconhecido por sua boa resist\u00eancia \u00e0 oxida\u00e7\u00e3o e a algumas formas de corros\u00e3o com uma estrutura austen\u00edtica. Por exemplo, os graus austen\u00edticos 303 e 304 s\u00e3o usados com frequ\u00eancia.<\/p>\n<p class=\"MsoNormal\">Eles s\u00e3o f\u00e1ceis de moldar e oferecem excelente resist\u00eancia \u00e0 corros\u00e3o e conformabilidade preferencial. Entretanto, a sele\u00e7\u00e3o da classe \u00e9 bastante semelhante \u00e0 sele\u00e7\u00e3o da ferramenta correta para o trabalho; ela precisa ser perfeita para a opera\u00e7\u00e3o. Saiba mais em nosso guia, para obter o melhor resultado para o trabalho e a durabilidade do material.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"303_vs_304_Stainless_Steel_Grades\"><\/span>Classes de a\u00e7o inoxid\u00e1vel 303 vs 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\">Apesar de serem a\u00e7os inoxid\u00e1veis austen\u00edticos e terem uma base qu\u00edmica semelhante, ambos os tipos oferecem caracter\u00edsticas compar\u00e1veis de excelente resist\u00eancia \u00e0 corros\u00e3o e propriedades n\u00e3o magn\u00e9ticas. Com um teor de enxofre que varia de 0,15% a 0,35%, o 303 \u00e9 um tipo de a\u00e7o inoxid\u00e1vel austen\u00edtico que oferece usinabilidade excepcional.<\/p>\n<p class=\"MsoNormal\"><b style=\"mso-bidi-font-weight: normal;\">A\u00e7o inoxid\u00e1vel 303 vs. a\u00e7o inoxid\u00e1vel 304: Tabela de compara\u00e7\u00e3o<\/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;\">Propriedade<\/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;\">A\u00e7o inoxid\u00e1vel 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;\">A\u00e7o inoxid\u00e1vel 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\">Composi\u00e7\u00e3o qu\u00edmica<\/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% Cromo, 8% N\u00edquel, 0,15% Enxofre\/Sel\u00eanio (m\u00edn.)<\/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% Cromo, 8% N\u00edquel (m\u00edn.)<\/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\">Usinabilidade<\/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\">Excelente (devido ao enxofre\/sel\u00eanio)<\/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\">Bom<\/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\">Soldabilidade<\/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\">Ruim<\/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\">Bom<\/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\">Formabilidade<\/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\">Bom<\/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\">Bom<\/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\">Resist\u00eancia \u00e0 tra\u00e7\u00e3o (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\">Resist\u00eancia ao escoamento (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\">Alongamento (%)<\/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\">Densidade (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\">Resist\u00eancia \u00e0 corros\u00e3o<\/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\">Moderado<\/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\">Excelente<\/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\">Custo<\/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\">Inferior<\/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\">Mais alto<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\">Ele cont\u00e9m 8%-10% de n\u00edquel e 18% de cromo. O teor de enxofre compensa amplamente a resist\u00eancia \u00e0 corros\u00e3o que normalmente ofereceria. Como resultado, h\u00e1 uma pequena redu\u00e7\u00e3o na tenacidade e uma diminui\u00e7\u00e3o na resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n<p class=\"MsoNormal\">O fato de ser facilmente usin\u00e1vel tem uma contrapartida. Frequentemente, ela pode ser mais cara do que a liga 304 porque n\u00e3o requer tanta m\u00e3o de obra para ser moldada e prensada. Embora a liga 303 n\u00e3o seja t\u00e3o resistente \u00e0 corros\u00e3o quanto a 304, ela ainda \u00e9 bastante resistente \u00e0 oxida\u00e7\u00e3o quando exposta a temperaturas de at\u00e9 1.400 \u00b0F em algumas ocasi\u00f5es.<\/p>\n<p class=\"MsoNormal\">\u00a0Lembre-se de que o teor de enxofre torna o 303 pouco sold\u00e1vel, o que pode causar rachaduras. Al\u00e9m disso, o sel\u00eanio \u00e9 ocasionalmente usado no lugar do enxofre. Isso tem o mesmo resultado que o enxofre, melhorando a usinabilidade e diminuindo a resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Machinability_of_304_vs_303_stainless_steel\"><\/span>Entendendo a usinabilidade do a\u00e7o inoxid\u00e1vel 304 vs. 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>Grau 303 <b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">A classe 303 de a\u00e7o inoxid\u00e1vel \u00e9 conhecida como o rei da usinabilidade devido \u00e0 presen\u00e7a de enxofre ou sel\u00eanio nela. Isso possibilita melhorar as caracter\u00edsticas mec\u00e2nicas de uma liga com a ajuda das propriedades de corte livre do grau 303. Isso permite que os fabricantes produzam grandes volumes rapidamente e de forma mais limpa.<\/p>\n<p class=\"MsoNormal\">Essa classe \u00e9 adequada para aplica\u00e7\u00f5es que exigem formas complexas e detalhes finos, oferecendo instala\u00e7\u00f5es de usinagem de precis\u00e3o. Ela reduz as chances de desgaste da ferramenta e aumenta a longevidade das ferramentas de corte.<\/p>\n<p class=\"MsoNormal\">Eles o tornam uma op\u00e7\u00e3o econ\u00f4mica para a fabrica\u00e7\u00e3o de grandes volumes. No entanto, a compensa\u00e7\u00e3o causa uma pequena redu\u00e7\u00e3o na resist\u00eancia \u00e0 corros\u00e3o, o que pode limitar seu uso em determinados ambientes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_304_%E2%80%93_A_Balancing_Act\"><\/span>Nota 304 - Um ato de equil\u00edbrio<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Como o grau 304 endurece rapidamente, a usinabilidade \u00e9 um problema para o grau 303. Ao contr\u00e1rio do grau 303, a composi\u00e7\u00e3o qu\u00edmica do a\u00e7o inoxid\u00e1vel grau 304 \u00e9 preferida em muitos setores devido \u00e0 sua confiabilidade e robustez, apesar de sua menor usinabilidade. Seu equil\u00edbrio entre boa conformabilidade e excelente resist\u00eancia \u00e0 corros\u00e3o o torna uma op\u00e7\u00e3o vers\u00e1til.<\/p>\n<p class=\"MsoNormal\">Essa classe \u00e9 amplamente utilizada para produzir aplica\u00e7\u00f5es em que tanto a usinagem quanto a soldagem s\u00e3o necess\u00e1rias, como equipamentos de cozinha, estruturas arquitet\u00f4nicas e cont\u00eaineres de produtos qu\u00edmicos. Suas excelentes caracter\u00edsticas anticorrosivas garantem que eles possam suportar condi\u00e7\u00f5es adversas sem comprometer sua integridade.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mechanical_Properties\"><\/span>Propriedades mec\u00e2nicas<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Os graus 303 e 304 do a\u00e7o inoxid\u00e1vel compartilham as mesmas propriedades, exceto pelo ponto de fus\u00e3o. Sua densidade seria a mesma se tivessem uma composi\u00e7\u00e3o qu\u00edmica ligeiramente diferente. Suas estruturas cristalinas s\u00e3o muito semelhantes, com os \u00e1tomos dispostos em um padr\u00e3o regular e repetitivo, pois s\u00e3o ligas de a\u00e7o inoxid\u00e1vel austen\u00edtico.<\/p>\n<p class=\"MsoNormal\">O 304 tem um pouco mais de cromo, embora nem sempre. A inclus\u00e3o de enxofre n\u00e3o tem impacto na estrutura do cristal ou no espa\u00e7amento das part\u00edculas interat\u00f4micas de forma significativa.<\/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>Propriedades<\/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>Grau 303 de a\u00e7o inoxid\u00e1vel<\/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>Grau 304 de a\u00e7o inoxid\u00e1vel<\/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\">Densidade<\/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\">Ponto de fus\u00e3o<\/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\">M\u00f3dulo de elasticidade<\/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\">Resistividade el\u00e9trica<\/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\">Condutividade t\u00e9rmica<\/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\">M\u00f3dulo de cisalhamento<\/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>Estrutura austen\u00edtica e seu impacto\u00a0<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Os tipos de a\u00e7o inoxid\u00e1vel oferecem propriedades n\u00e3o magn\u00e9ticas e conformabilidade, al\u00e9m de contribu\u00edrem para a estrutura austen\u00edtica. Sua estrutura austen\u00edtica ajuda a produzir aplica\u00e7\u00f5es espec\u00edficas em que s\u00e3o necess\u00e1rias alta resist\u00eancia e durabilidade.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>Ele permite que o material mantenha sua resist\u00eancia em altas temperaturas. Isso serve para a fabrica\u00e7\u00e3o de produtos automotivos e aeroespaciais. Al\u00e9m disso, essa estrutura austen\u00edtica pode ser usada no meio ambiente para superar altas tens\u00f5es mec\u00e2nicas.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Comparison_of_Strengths\"><\/span>Compara\u00e7\u00e3o de pontos fortes<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Como o Grau 303 cont\u00e9m sel\u00eanio ou enxofre, ele tem um desempenho ligeiramente melhor em termos de rendimento e resist\u00eancia \u00e0 tra\u00e7\u00e3o do que o Grau 304. Entretanto, \u00e9 essencial considerar outros fatores de resist\u00eancia e ductilidade ao escolher o grau apropriado entre 303 e 304.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>A sele\u00e7\u00e3o das classes depende dos requisitos espec\u00edficos das aplica\u00e7\u00f5es. Isso pode envolver tens\u00f5es mec\u00e2nicas, exposi\u00e7\u00e3o a elementos corrosivos e a necessidade de usinabilidade ou soldabilidade.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Heat_Treatment_and_Formability\"><\/span>Tratamento t\u00e9rmico e conformabilidade<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Solution_Treatment\"><\/span>Tratamento de solu\u00e7\u00f5es<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">O tratamento em solu\u00e7\u00e3o \u00e9 o processo que melhora a estrutura de gr\u00e3os e a conformabilidade geral das classes 303 e 304. Esse processo envolve o aquecimento das ligas a uma alta temperatura e, em seguida, seu resfriamento r\u00e1pido. Isso aprimora as caracter\u00edsticas mec\u00e2nicas e o desempenho do material.<\/p>\n<p class=\"MsoNormal\">Al\u00e9m disso, esse processo ajuda a dissolver quaisquer precipitados que possam ter se formado durante o progresso para garantir uma microestrutura uniforme. Ele ajuda a melhorar a ductilidade e a resist\u00eancia das ligas, facilitando sua forma\u00e7\u00e3o e modelagem.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Weldability_Differences\"><\/span>Diferen\u00e7as de soldabilidade<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">A presen\u00e7a de enxofre ou sel\u00eanio no grau 303 pode causar rachaduras a quente durante o processo de soldagem. Por outro lado, o grau 304 tem a capacidade de melhorar a soldabilidade, o que pode torn\u00e1-lo adequado para uso em aplica\u00e7\u00f5es que exijam muita soldagem.<\/p>\n<p class=\"MsoNormal\"><span style=\"mso-spacerun: yes;\">\u00a0<\/span>Considere esse fator diferencial ao escolher a classe desejada para seu projeto. A constru\u00e7\u00e3o de tubula\u00e7\u00f5es, tanques e outras estruturas em que a soldagem \u00e9 necess\u00e1ria se adapta \u00e0 classe 304. Sua capacidade de fornecer soldas fortes e dur\u00e1veis pode suportar v\u00e1rias tens\u00f5es.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cost_303_stainless_steel_vs_304_stainless_steel\"><\/span>Custo do a\u00e7o inoxid\u00e1vel 303 vs. a\u00e7o inoxid\u00e1vel 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\">A considera\u00e7\u00e3o do custo \u00e9 um aspecto importante na escolha entre os graus 303 e 304 para seu projeto. Os principais componentes desses graus s\u00e3o os pre\u00e7os de mercado do cromo e do n\u00edquel. Isso varia de acordo com a oferta e a demanda, eventos geopol\u00edticos e atividades de minera\u00e7\u00e3o. Essas flutua\u00e7\u00f5es afetam os pre\u00e7os gerais do material de a\u00e7o inoxid\u00e1vel no mercado.<\/p>\n<ul style=\"margin-top: 0in;\" type=\"disc\">\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Flutua\u00e7\u00f5es de pre\u00e7os de mercado<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Grau 303 - Custo geralmente mais baixo<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list .5in;\">Grau 304 - Custo um pouco mais alto<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Market_Price_Fluctuations\"><\/span>Flutua\u00e7\u00f5es de pre\u00e7os de mercado<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Os custos do n\u00edquel e do cromo podem variar devido a v\u00e1rios aspectos e podem ser influenciados pela produ\u00e7\u00e3o da minera\u00e7\u00e3o, pela demanda global e pela estabilidade pol\u00edtica. Seus pre\u00e7os flutuam devido \u00e0 demanda e \u00e0 oferta do fabricante, levando a oscila\u00e7\u00f5es de pre\u00e7o e afetando o custo do a\u00e7o inoxid\u00e1vel.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_303_%E2%80%93_Generally_Lower_Cost\"><\/span>Grau 303 - Custo geralmente mais baixo<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">O menor teor de n\u00edquel e a usinabilidade mais r\u00e1pida do grau 303 o tornam mais barato do que o grau 304. Suas propriedades reduzem o tempo de produ\u00e7\u00e3o e os custos de m\u00e3o de obra, e a adi\u00e7\u00e3o de enxofre ou sel\u00eanio melhora sua usinabilidade. Isso resulta em processos de produ\u00e7\u00e3o mais r\u00e1pidos e menores despesas de fabrica\u00e7\u00e3o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grade_304_%E2%80%93_Slightly_Higher_Cost\"><\/span>Grau 304 - Custo um pouco mais alto<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">O maior teor de n\u00edquel e a excelente resist\u00eancia \u00e0 corros\u00e3o presentes no grau 3034 o tornam um pouco mais caro do que o grau 303. Entretanto, a menor necessidade de manuten\u00e7\u00e3o e a durabilidade do material podem compensar seu custo mais alto. Os requisitos de manuten\u00e7\u00e3o mais baixos tornam o grau 304 uma op\u00e7\u00e3o econ\u00f4mica em v\u00e1rios setores.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Applications_of_ss_303_vs_304\"><\/span>Aplica\u00e7\u00f5es comuns 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=\"A\u00e7o inoxid\u00e1vel 303 vs. a\u00e7o inoxid\u00e1vel 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\">Os usos do a\u00e7o inoxid\u00e1vel 303 vs. 304 geralmente s\u00e3o semelhantes. Especificamente, o 303 e o 304 s\u00e3o comumente usados em v\u00e1rias aplica\u00e7\u00f5es. Elas est\u00e3o descritas abaixo, destacando os motivos espec\u00edficos de seu uso.<\/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>Setor<\/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>Aplica\u00e7\u00f5es do a\u00e7o inoxid\u00e1vel 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>Motivo do uso<\/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>Aplica\u00e7\u00f5es em a\u00e7o inoxid\u00e1vel 304<\/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>Motivo do uso<\/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>Equipamento de prepara\u00e7\u00e3o de alimentos<\/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\">Transportadores, bandejas, carrinhos e unidades de refrigera\u00e7\u00e3o<\/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\">F\u00e1cil de limpar<\/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\">Tanques, tubula\u00e7\u00f5es e cont\u00eaineres<\/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\">Resist\u00eancia \u00e0 corros\u00e3o, f\u00e1cil de limpar<\/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>Aeronaves<\/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\">Eixos, engrenagens e acess\u00f3rios para aeronaves<\/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\">Propriedades de n\u00e3o engripamento e n\u00e3o gripagem, alta usinabilidade<\/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\">Estruturas e motores de aeronaves<\/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\">Excelente resist\u00eancia \u00e0 corros\u00e3o, estabilidade t\u00e9rmica e rela\u00e7\u00e3o resist\u00eancia\/peso<\/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>Componentes de fixa\u00e7\u00e3o<\/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\">Parafusos, porcas e parafusos<\/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\">Alta usinabilidade - f\u00e1cil de produzir formas complexas<\/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\">Parafusos, porcas e parafusos<\/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\">Durabilidade e resist\u00eancia \u00e0 corros\u00e3o<\/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>Componentes eletr\u00f4nicos<\/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\">Espa\u00e7adores, suportes e elementos de ventila\u00e7\u00e3o<\/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\">N\u00e3o magn\u00e9tico, alta usinabilidade<\/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\">Espa\u00e7adores, suportes e elementos de ventila\u00e7\u00e3o<\/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\">N\u00e3o magn\u00e9tico e com baixa resist\u00eancia \u00e0 corros\u00e3o<\/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>Aplica\u00e7\u00f5es industriais e maquin\u00e1rio<\/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\">Buchas, conex\u00f5es, corpos de v\u00e1lvulas, v\u00e1lvulas, eixos forjados e guarni\u00e7\u00f5es de v\u00e1lvulas<\/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\">Alta usinabilidade - f\u00e1cil de produzir formas complexas com toler\u00e2ncias precisas e ajustes apertados<\/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\">Tanques, tubos, conex\u00f5es e corpos de v\u00e1lvulas<\/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\">Resist\u00eancia \u00e0 corros\u00e3o, durabilidade<\/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>Eletrodom\u00e9sticos<\/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\">Acess\u00f3rios de eletrodom\u00e9sticos, parafusos e porcas<\/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\">Alta usinabilidade<\/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\">Geladeiras, pias de cozinha e lavadoras de lou\u00e7a<\/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\">Durabilidade, resist\u00eancia \u00e0 corros\u00e3o e apelo est\u00e9tico<\/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>Automotivo<\/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\">Eixos, conex\u00f5es e engrenagens<\/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\">Alta usinabilidade, facilidade de fabrica\u00e7\u00e3o<\/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\">Sistemas de escapamento, acabamento e grades<\/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\">Resist\u00eancia \u00e0 corros\u00e3o, apelo est\u00e9tico<\/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>Equipamentos m\u00e9dicos<\/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\">Instrumentos cir\u00fargicos, implantes dent\u00e1rios<\/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\">Alta usinabilidade, n\u00e3o magn\u00e9tico<\/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\">Instrumentos cir\u00fargicos, instrumentos odontol\u00f3gicos e implantes<\/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\">Biocompatibilidade, resist\u00eancia \u00e0 corros\u00e3o e processos de limpeza em alta temperatura<\/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>Equipamento de processamento qu\u00edmico<\/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\">Corpos de v\u00e1lvulas, conex\u00f5es e buchas<\/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\">Alta usinabilidade, facilidade de fabrica\u00e7\u00e3o<\/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\">Reatores, tanques e tubula\u00e7\u00f5es<\/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\">A resist\u00eancia \u00e0 corros\u00e3o resiste a uma variedade de produtos qu\u00edmicos<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Corrosion_Resistance\"><\/span>Resist\u00eancia \u00e0 corros\u00e3o<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">O a\u00e7o inoxid\u00e1vel \u00e9 o material mais bem classificado e amplamente utilizado em uma variedade de aplica\u00e7\u00f5es de usinagem. Portanto, encontrar o material adequado perfeito \u00e9 fundamental para obter o resultado desejado das pe\u00e7as. Al\u00e9m de suas vantajosas propriedades mec\u00e2nicas e qu\u00edmicas, os tipos de a\u00e7o inoxid\u00e1vel possuem diferentes propriedades de resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n<ul style=\"margin-top: 0in;\" type=\"disc\">\n<li class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\">Resist\u00eancia \u00e0 corros\u00e3o e o papel do cromo<\/li>\n<li class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list .5in;\">Compara\u00e7\u00e3o de durabilidade em diferentes ambientes<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Pitting_Resistance_and_the_Role_of_Chromium\"><\/span>Resist\u00eancia \u00e0 corros\u00e3o e o papel do cromo<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Todos os tipos de a\u00e7o inoxid\u00e1vel austen\u00edtico t\u00eam excelente resist\u00eancia \u00e0 corros\u00e3o; a corros\u00e3o por pite ocorre quando o material \u00e9 exposto a ambientes com cloreto. Em particular, ambos os tipos cont\u00eam altos n\u00edveis de cromo, o que pode evitar esse tipo de corros\u00e3o. Entretanto, algumas variantes do grau 304 oferecem uma vantagem na resist\u00eancia \u00e0 corros\u00e3o por pite devido ao seu maior teor de cromo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Durability_Comparison_in_Different_Environments\"><\/span>Compara\u00e7\u00e3o de durabilidade em diferentes ambientes<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"MsoNormal\">Todas as fontes atmosf\u00e9ricas, esterilizadores, produtos qu\u00edmicos org\u00e2nicos e corantes n\u00e3o podem causar a corros\u00e3o do Tipo 303. Eles resistem mal ao \u00e1cido hal\u00f3geno, um pouco ao \u00e1cido sulf\u00farico e bem ao \u00e1cido n\u00edtrico.<\/p>\n<p class=\"MsoNormal\">Para obter a m\u00e1xima resist\u00eancia \u00e0 corros\u00e3o, todos os componentes constru\u00eddos com grau 303 devem ser limpos. Eles devem ser passivados ap\u00f3s <a href=\"https:\/\/aludiecasting.com\/pt\/usinagem-cnc-de-precisao\/\">Usinagem CNC<\/a> para remover graxa, \u00f3leo, impress\u00f5es digitais e outras part\u00edculas estranhas, como restos de part\u00edculas de ferro, do ferramental.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclus\u00e3o:<b><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">Apesar de conter propriedades semelhantes, os tipos de a\u00e7o inoxid\u00e1vel 303 e 304 apresentam diferen\u00e7as distintas. Isso representa um aspecto desafiador na sele\u00e7\u00e3o do material adequado para aplica\u00e7\u00f5es espec\u00edficas. Devido \u00e0 maior usinabilidade dos graus, o 303 \u00e9 ideal para pe\u00e7as que exigem usinagem detalhada. Al\u00e9m disso, essa classe perde um pouco da resist\u00eancia \u00e0 corros\u00e3o devido \u00e0 presen\u00e7a de um teor mais alto de enxofre.<\/p>\n<p class=\"MsoNormal\">Por outro lado, o a\u00e7o inoxid\u00e1vel grau 304 oferece excelente resist\u00eancia \u00e0 corros\u00e3o e \u00e9 adequado para uma variedade maior de aplica\u00e7\u00f5es. Isso o torna uma op\u00e7\u00e3o mais vers\u00e1til para ambientes em que a corros\u00e3o \u00e9 uma preocupa\u00e7\u00e3o.<\/p>\n<p class=\"MsoNormal\">A sele\u00e7\u00e3o das classes depende dos requisitos de um projeto, considerando fatores como exposi\u00e7\u00e3o ambiental, requisitos de usinagem e custo-benef\u00edcio. O entendimento completo dessas classes ajuda o fabricante a obter o resultado desejado, aproveitando suas propriedades exclusivas.<\/p>\n<p class=\"MsoNormal\">\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>N\u00e3o tem certeza sobre o a\u00e7o inoxid\u00e1vel AISI 303 vs. AISI 304 (SS 303 vs. SS 304)? Este guia detalha as principais diferen\u00e7as entre o a\u00e7o inoxid\u00e1vel 303 e 304, como usinabilidade, resist\u00eancia \u00e0 corros\u00e3o e custo, para ajud\u00e1-lo a escolher a classe certa.<\/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\/pt\/wp-json\/wp\/v2\/posts\/17255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/comments?post=17255"}],"version-history":[{"count":0,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/posts\/17255\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/media\/17256"}],"wp:attachment":[{"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/media?parent=17255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/categories?post=17255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aludiecasting.com\/pt\/wp-json\/wp\/v2\/tags?post=17255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}