{"id":16207,"date":"2021-12-04T03:33:07","date_gmt":"2021-12-04T03:33:07","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=16207"},"modified":"2025-07-01T06:25:16","modified_gmt":"2025-07-01T06:25:16","slug":"5-tipos-de-aco-inoxidavel","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/5-tipos-de-aco-inoxidavel\/","title":{"rendered":"5 Tipos de A\u00e7o Inoxid\u00e1vel"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16207\" class=\"elementor elementor-16207\" data-elementor-post-type=\"blog\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1a1609d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1a1609d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1cf1fe1\" data-id=\"1cf1fe1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ed3a40 elementor-widget elementor-widget-heading\" data-id=\"5ed3a40\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5 Tipos de A\u00e7o Inoxid\u00e1vel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-331cab4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"331cab4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c89d45e\" data-id=\"c89d45e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34d66e8 elementor-widget elementor-widget-text-editor\" data-id=\"34d66e8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>I. A\u00e7o Inoxid\u00e1vel Ferr\u00edtico<\/strong><\/h3><p>Para o a\u00e7o inoxid\u00e1vel ferr\u00edtico, seu teor de cromo \u00e9 de aproximadamente 15% a 30%. Sua resist\u00eancia \u00e0 corros\u00e3o, tenacidade e soldabilidade ser\u00e1 melhorada com o aumento do teor de cromo, e seu desempenho em resist\u00eancia \u00e0 corros\u00e3o por tens\u00e3o de cloreto \u00e9 melhor do que o de outros tipos de a\u00e7o inoxid\u00e1vel. Embora o desempenho em resist\u00eancia \u00e0 corros\u00e3o e oxida\u00e7\u00e3o do a\u00e7o inoxid\u00e1vel ferr\u00edtico seja bom, suas propriedades mec\u00e2nicas e propriedades de processo s\u00e3o ruins. Este tipo de a\u00e7o \u00e9 normalmente utilizado para o a\u00e7o de estrutura resistente a \u00e1cido que requer ou como a\u00e7o resistente \u00e0 oxida\u00e7\u00e3o.<\/p><h3><strong>II. A\u00e7o Inoxid\u00e1vel Austen\u00edtico<\/strong><\/h3><p>No caso do a\u00e7o inoxid\u00e1vel austen\u00edtico, seu teor de cromo \u00e9 superior a 18% e cont\u00e9m 8% de n\u00edquel, al\u00e9m de uma pequena quantidade de <a href=\"https:\/\/www.kaysuns.com\/pt\/papel-do-molibdenio-em-tubos-e-conexoes-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">molibd\u00eanio<\/a>tit\u00e2nio, nitrog\u00eanio e outros elementos. O a\u00e7o inoxid\u00e1vel austen\u00edtico tem desempenho abrangente e \u00e9 resistente \u00e0 corros\u00e3o de diversos meios. Al\u00e9m disso, o a\u00e7o inoxid\u00e1vel austen\u00edtico tamb\u00e9m tem boa plasticidade, tenacidade, soldagem, resist\u00eancia \u00e0 corros\u00e3o, desempenho n\u00e3o magn\u00e9tico ou magn\u00e9tico fraco e bom desempenho em sua resist\u00eancia \u00e0 corros\u00e3o em meios oxidantes e redutores. Esse tipo de a\u00e7o \u00e9 normalmente usado para a fabrica\u00e7\u00e3o de equipamentos resistentes a \u00e1cidos, como recipientes resistentes \u00e0 corros\u00e3o e revestimento de equipamentos, tubula\u00e7\u00f5es, pe\u00e7as de equipamentos resistentes a \u00e1cido n\u00edtrico e assim por diante. O a\u00e7o inoxid\u00e1vel austen\u00edtico tamb\u00e9m \u00e9 chamado de a\u00e7o inoxid\u00e1vel da s\u00e9rie 300, <strong>eles s\u00e3o nossos principais produtos, incluindo 304, 316L <a href=\"https:\/\/www.kaysuns.com\/pt\" target=\"_blank\">tubos e acess\u00f3rios de a\u00e7o inoxid\u00e1vel<\/a>flanges, flanges, etc.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fa807d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fa807d0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-86f936a\" data-id=\"86f936a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f47b445 elementor-widget elementor-widget-image\" data-id=\"f47b445\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel.jpg\" class=\"attachment-large size-large wp-image-16223\" alt=\"tipos de a\u00e7o inoxid\u00e1vel\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel.jpg 800w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel-600x450.jpg 600w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel-300x225.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel-768x576.jpg 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/12\/types-of-stainless-steel-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cdc5481 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cdc5481\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-50205f4\" data-id=\"50205f4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-960b84f elementor-widget elementor-widget-text-editor\" data-id=\"960b84f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><strong>III. A\u00e7o inoxid\u00e1vel duplex austen\u00edtico e ferrite<\/strong><\/h3><p>No caso do a\u00e7o inoxid\u00e1vel duplex ferr\u00edtico austen\u00edtico, ele tem as vantagens do a\u00e7o inoxid\u00e1vel austen\u00edtico e ferr\u00edtico e apresenta excelente desempenho em sua plasticidade. Esse tipo de a\u00e7o tem as caracter\u00edsticas tanto do a\u00e7o inoxid\u00e1vel austen\u00edtico quanto do ferr\u00edtico. Em compara\u00e7\u00e3o com a ferrita, ele tem maior plasticidade e resist\u00eancia, e n\u00e3o ocorre fragilidade em temperatura ambiente. Al\u00e9m disso, seu <a href=\"https:\/\/www.kaysuns.com\/pt\/perigo-oculto-da-corrosao-intergranular\/\" target=\"_blank\" rel=\"noopener\">corros\u00e3o intergranular<\/a> A resist\u00eancia e o desempenho de soldagem s\u00e3o significativamente aprimorados, mantendo a fragilidade do a\u00e7o inoxid\u00e1vel ferr\u00edtico sob 475 graus Celsius e a alta condutividade t\u00e9rmica.<\/p><p>Este a\u00e7o tem uma plasticidade soberba. Em compara\u00e7\u00e3o com o a\u00e7o inoxid\u00e1vel austen\u00edtico, tem maior resist\u00eancia e resist\u00eancia \u00e0 corros\u00e3o intergranular e \u00e0 corros\u00e3o por tens\u00e3o de cloreto. E o a\u00e7o inoxid\u00e1vel duplex tem excelente resist\u00eancia \u00e0 corros\u00e3o e pertence ao a\u00e7o inoxid\u00e1vel economizador de n\u00edquel.<\/p><p>O a\u00e7o inoxid\u00e1vel duplex \u00e9 outro produto para n\u00f3s. <a href=\"https:\/\/www.kaysuns.com\/pt\/fornecedor-de-tubos-duplex-2205-2507\/\" target=\"_blank\">Tubo Duplex 2205<\/a> e <a href=\"https:\/\/www.kaysuns.com\/pt\/\" target=\"_blank\">acess\u00f3rios duplex<\/a> s\u00e3o nossa for\u00e7a.<\/p><h3><strong>IV. T\u00eampera Precipitada A\u00e7o Inoxid\u00e1vel<\/strong><\/h3><p>Para a\u00e7o inoxid\u00e1vel de endurecimento precipitado, sua estrutura de base pertence \u00e0 austenita ou martensite. E \u00e9 geralmente conhecida como 04Cr13Ni8Mo2Al. Este tipo de a\u00e7o inoxid\u00e1vel se desenvolve a partir do a\u00e7o inoxid\u00e1vel normal que \u00e9 tratado com endurecimento por precipita\u00e7\u00e3o (tamb\u00e9m conhecido como endurecimento por envelhecimento).<\/p><h3><strong>V. A\u00e7o Inoxid\u00e1vel Martens\u00edtico<\/strong><\/h3><p>Para o a\u00e7o inoxid\u00e1vel martens\u00edtico, ele tem alta resist\u00eancia, mas tem um desempenho pobre em plasticidade e soldabilidade. A classe comumente utilizada para este a\u00e7o inoxid\u00e1vel inclui 1Cr13, 3Cr13, e assim por diante. Devido ao seu alto teor de carbono, ele tem maior resist\u00eancia, dureza e resist\u00eancia ao desgaste, mas a resist\u00eancia \u00e0 corros\u00e3o \u00e9 relativamente pior. Este tipo de a\u00e7o inoxid\u00e1vel \u00e9 geralmente aplicado nas pe\u00e7as que requerem alto desempenho mec\u00e2nico e resist\u00eancia \u00e0 corros\u00e3o, tais como molas, p\u00e1s de turbinas a vapor, v\u00e1lvulas hidr\u00e1ulicas, e assim por diante. Este tipo de a\u00e7o \u00e9 normalmente utilizado ap\u00f3s o t\u00eampera e revenimento. O recozimento \u00e9 necess\u00e1rio ap\u00f3s a forja e a estampagem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bbe527f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bbe527f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a2d52d9\" data-id=\"a2d52d9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e5990ba elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--shape-square elementor-grid-0 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