{"id":9444,"date":"2025-08-03T16:40:15","date_gmt":"2025-08-03T08:40:15","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9444"},"modified":"2026-02-28T16:49:38","modified_gmt":"2026-02-28T08:49:38","slug":"o2-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/o2-tool-steel\/","title":{"rendered":"A\u00e7o para ferramentas O2 | 1.2842"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"337\" class=\"wp-block-cover__image-background wp-image-7233 size-large\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-container uagb-block-29fc5c3c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c196a237\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/pt\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">In\u00edcio<\/mark> <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/pt\/tool-steels\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Cat\u00e1logo de A\u00e7os para Ferramentas<\/mark><u> <\/u><\/a>&gt; A\u00e7o ferramenta O2<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-d1ce38c5\"><h5 class=\"uagb-heading-text\"><em>Aobo Steel | Fornecedor global de a\u00e7o para ferramentas na China<\/em><\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5b6189ba\"><h2 class=\"uagb-heading-text\">A\u00e7o ferramenta AISI O2 | 1.2842 | A\u00e7o para trabalho a frio SKS31 com t\u00eampera em \u00f3leo<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-914bcd03\"><h5 class=\"uagb-heading-text\">\u2713100% Garantia de Qualidade Testada por Ultrassom<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-84cd4af9\"><h5 class=\"uagb-heading-text\">\u2713SET 1921-82 Classe D\/d Garantida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-20e20150\"><h5 class=\"uagb-heading-text\">\u2713Entrega no estado recozido<\/h5><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33ee52f8\"><h5 class=\"uagb-heading-text\">\u2713Superf\u00edcie: Escama preta, torneada, acabamento bruto ou polida<\/h5><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Consulta r\u00e1pida sobre material de O2<\/a><\/div>\n\n\n\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-ast-global-color-4-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/pt\/distributors\/\" style=\"background-color:#ffffff00\">Explore nossa estrutura de fornecimento de distribuidores.<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-208de05f alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"wp-block-paragraph\">O a\u00e7o O2 para ferramentas tem alta dureza e resist\u00eancia ao desgaste. Apresenta distor\u00e7\u00e3o m\u00ednima durante a t\u00eampera e tem excelente temperabilidade. Esse a\u00e7o \u00e9 adequado para a fabrica\u00e7\u00e3o de v\u00e1rias ferramentas e modelos de medi\u00e7\u00e3o de precis\u00e3o. Tamb\u00e9m \u00e9 usado para matrizes de dimens\u00f5es menores, moldes de prensa a frio, moldes de grava\u00e7\u00e3o e matrizes de corte. Al\u00e9m disso, pode ser usado para parafusos de m\u00e1quinas-ferramenta e outros componentes estruturais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A designa\u00e7\u00e3o \u00e9 O2 no sistema ASTM A681 dos EUA. Designa\u00e7\u00f5es semelhantes em outras normas nacionais incluem ISO 90MnV2, EUA\/UNS T31502, Alemanha\/DIN 90MnCrV8 e Alemanha\/W-Nr. 1.2842.\u00a0<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-8d34a8d1 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"h-supply-overview\">Vis\u00e3o geral do fornecimento<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Item<\/th><th>Detalhes<\/th><\/tr><\/thead><tbody><tr><td>Grau<\/td><td>AISI O2 \/ DIN 1.2842 \/ JIS SKS31<\/td><\/tr><tr><td>Condi\u00e7\u00f5es de entrega<\/td><td>Totalmente recozido (m\u00e1x. 215\u2013230 HB, adequado para usinagem)<\/td><\/tr><tr><td>Formul\u00e1rios dispon\u00edveis<\/td><td>Barra redonda \/ Barra plana \/ Chapa \/ Bloco forjado<\/td><\/tr><tr><td>Capacidade de fornecimento mensal<\/td><td>Produ\u00e7\u00e3o mensal est\u00e1vel com suporte cont\u00ednuo de estoque.<\/td><\/tr><tr><td>Quantidade recomendada para exporta\u00e7\u00e3o<\/td><td>Cont\u00eainer 20GP completo (aproximadamente 26 toneladas)<\/td><\/tr><tr><td>MOQ<\/td><td>5 toneladas<\/td><\/tr><tr><td>Prazo de entrega (lingote em estoque)<\/td><td>Aproximadamente 20 dias<\/td><\/tr><tr><td>Prazo de entrega (derretido)<\/td><td>30 a 45 dias<\/td><\/tr><tr><td>Prazo de entrega (op\u00e7\u00e3o ESR)<\/td><td>Aproximadamente 60 dias<\/td><\/tr><tr><td>Inspe\u00e7\u00e3o<\/td><td>100% testado por ultrassom conforme SEP 1921-82 Classe D\/d ou E\/e<\/td><\/tr><tr><td>Documenta\u00e7\u00e3o<\/td><td>MTC (EN 10204 3.1) + Relat\u00f3rio UT por pedido<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-production-stability\">Estabilidade da produ\u00e7\u00e3o<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fornecimento est\u00e1vel de ligas para grau de endurecimento em \u00f3leo O2<\/li>\n\n\n\n<li>Estrutura recozida consistente para usinagem previs\u00edvel<\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-electroslag-remelting-esr\/\">ESR (Refus\u00e3o por Eletroesc\u00f3ria)<\/a> Dispon\u00edvel mediante solicita\u00e7\u00e3o.<\/li>\n\n\n\n<li>Rastreabilidade do lote vinculada ao n\u00famero de lote original<\/li>\n\n\n\n<li>Projetado para reabastecimento em grande escala por distribuidores e revendedores.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Solicite um or\u00e7amento para fornecimento em grande quantidade de oxig\u00eanio.<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif\" alt=\"\" class=\"wp-image-12933\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-300x169.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-768x432.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1536x864.avif 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-18x10.avif 18w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016.avif 1860w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif\" alt=\"\" class=\"wp-image-12935\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif 1000w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-300x225.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-768x576.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2-16x12.avif 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" id=\"h-packaging-and-shipping\">Embalagem e envio<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Embalagem pr\u00f3pria para exporta\u00e7\u00e3o mar\u00edtima<\/li>\n\n\n\n<li>Carregamento otimizado para cont\u00eainer de 20 p\u00e9s (at\u00e9 aproximadamente 26 toneladas)<\/li>\n\n\n\n<li>Tamanhos e especifica\u00e7\u00f5es variadas s\u00e3o suportados em um \u00fanico cont\u00eainer.<\/li>\n\n\n\n<li>Prote\u00e7\u00e3o anticorrosiva para longos transportes mar\u00edtimos.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">Para compradores internacionais, o carregamento completo do cont\u00eainer \u00e9 altamente recomendado para otimizar custos e facilitar o desembara\u00e7o aduaneiro.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Obtenha o pre\u00e7o do cont\u00eainer completo de O2<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b959c99c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-call-to-action uagb-block-5e88b53d wp-block-button\"><div class=\"uagb-cta__wrap\"><h3 class=\"uagb-cta__title\">Garantia de Qualidade para Encomendas em Grande Quantidade<\/h3><p class=\"uagb-cta__desc\">Para distribuidores e revendedores, consist\u00eancia e rastreabilidade s\u00e3o fundamentais. Veja como a Aobo Steel verifica a composi\u00e7\u00e3o qu\u00edmica, a microestrutura, o ultrassom (sob solicita\u00e7\u00e3o), a dureza entregue e a rastreabilidade do lote antes do envio.<br><a href=\"https:\/\/web-sandbox.oaiusercontent.com\/tool-steel-quality-verification\/\"><\/a><\/p><\/div><div class=\"uagb-cta__buttons\"><a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-quality-verification\/\" class=\"uagb-cta__button-link-wrapper wp-block-button__link\" target=\"_self\" rel=\"noopener noreferrer\">Consulte o Guia de Verifica\u00e7\u00e3o de Qualidade.<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M504.3 273.6l-112.1 104c-6.992 6.484-17.18 8.218-25.94 4.406c-8.758-3.812-14.42-12.45-14.42-21.1L351.9 288H32C14.33 288 .0002 273.7 .0002 255.1S14.33 224 32 224h319.9l0-72c0-9.547 5.66-18.19 14.42-22c8.754-3.809 18.95-2.075 25.94 4.41l112.1 104C514.6 247.9 514.6 264.1 504.3 273.6z\"><\/path><\/svg><\/a><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-54846d9f alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"1-eael-table-of-content\">Aplicativos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para fornecer uma imagem mais clara, aqui est\u00e1 uma an\u00e1lise dos usos industriais t\u00edpicos do a\u00e7o para ferramentas O2, destacando onde suas propriedades oferecem o m\u00e1ximo benef\u00edcio:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Categoria de aplica\u00e7\u00e3o<\/th><th>Usos espec\u00edficos do a\u00e7o O2<\/th><th>Principais vantagens para suas opera\u00e7\u00f5es<\/th><\/tr><tr><td><strong>Matrizes e Pun\u00e7\u00f5es<\/strong><\/td><td>Matrizes de corte, ferramentas de corte, matrizes de trefila\u00e7\u00e3o, ferramentas de flangeamento, pun\u00e7\u00f5es de conforma\u00e7\u00e3o. Notavelmente eficazes para suportes de blanks em ferramentas de estampagem (resistindo \u00e0 press\u00e3o e ao atrito) e como ejetores e suportes de blanks em matrizes de estampagem profunda (suportando o atrito).<\/td><td>Excelente resist\u00eancia ao desgaste, boa tenacidade, mant\u00e9m a estabilidade dimensional para uma produ\u00e7\u00e3o consistente de pe\u00e7as.<\/td><\/tr><tr><td><strong>Medidores<\/strong><\/td><td>Ferramentas de medi\u00e7\u00e3o de precis\u00e3o, medidores mestres.<\/td><td>Alta estabilidade dimensional ap\u00f3s o endurecimento, crucial para precis\u00e3o; boa resist\u00eancia ao desgaste para longevidade.<\/td><\/tr><tr><td><strong>Componentes de m\u00e1quinas<\/strong><\/td><td>Itens como cames, buchas dur\u00e1veis e guias resistentes ao desgaste.<\/td><td>Oferece a resist\u00eancia ao desgaste e a tenacidade necess\u00e1rias para pe\u00e7as mec\u00e2nicas exigentes.<\/td><\/tr><tr><td><strong>Cunhagem e Prensagem de P\u00f3<\/strong><\/td><td>Ferramentas para opera\u00e7\u00f5es de cunhagem, pun\u00e7\u00f5es e matrizes para compacta\u00e7\u00e3o de p\u00f3 de metal.<\/td><td>Suporta altas for\u00e7as de compress\u00e3o e desgaste abrasivo comuns nesses processos.<\/td><\/tr><tr><td><strong>Lamina\u00e7\u00e3o a frio<\/strong><\/td><td>Rolos usados em aplica\u00e7\u00f5es de lamina\u00e7\u00e3o a frio.<\/td><td>Oferece alta resist\u00eancia ao desgaste e tenacidade necess\u00e1rias para moldar metais em temperaturas ambientes.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-58e4c670 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"2-eael-table-of-content\">Composi\u00e7\u00e3o qu\u00edmica do O2 e seus graus equivalentes<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Grau<\/strong><\/td><td><strong>C<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>V<\/strong><\/td><td><strong>W<\/strong><\/td><td><strong>P\/S (M\u00e1x.)<\/strong><\/td><\/tr><\/thead><tbody><tr><td>O2 <\/td><td>0,85\u20130,95<\/td><td>0.50<\/td><td>1,40\u20131,80<\/td><td>0,40\u20130,60<\/td><td>0.30<\/td><td>0,40\u20130,60<\/td><td>0.030<\/td><\/tr><tr><td>1.2842 <\/td><td>0,85\u20130,95<\/td><td>0,10\u20130,40<\/td><td>1,80\u20132,20<\/td><td>0,20\u20130,50<\/td><td>0,05\u20130,15<\/td><td>-<\/td><td>0.030<\/td><\/tr><tr><td>SKS31<\/td><td>0,90\u20131,05<\/td><td>0.35<\/td><td>0.90-1.20<\/td><td>0.50-1.00<\/td><td>-<\/td><td>0.50-1.00<\/td><td>0.030<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-e25bf02b alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"3-eael-table-of-content\">Propriedades do a\u00e7o ferramenta O2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqui est\u00e1 uma an\u00e1lise da chave&nbsp;<strong>Propriedades do a\u00e7o O2<\/strong>&nbsp;e o que elas significam para suas opera\u00e7\u00f5es:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Categoria de Propriedade<\/th><th>Descri\u00e7\u00e3o e significado para usu\u00e1rios<\/th><\/tr><tr><td>Alta Dureza<\/td><td>Alcan\u00e7a uma dureza superficial not\u00e1vel (60-62 HRC), essencial para resistir \u00e0 indenta\u00e7\u00e3o e manter uma aresta de corte afiada ou uma superf\u00edcie de forma\u00e7\u00e3o dur\u00e1vel em ferramentas.<\/td><\/tr><tr><td>Boa resist\u00eancia ao desgaste<\/td><td>O alto teor de carbono e a dureza resultante contribuem para uma boa resist\u00eancia ao desgaste abrasivo, prolongando a vida \u00fatil de ferramentas e matrizes.<\/td><\/tr><tr><td>Resist\u00eancia justa<\/td><td>Oferece um n\u00edvel equilibrado de tenacidade adequado para muitas aplica\u00e7\u00f5es de trabalho a frio, ajudando a evitar lascas ou fraturas prematuras sob tens\u00f5es operacionais.<\/td><\/tr><tr><td>Boas propriedades antideformantes<\/td><td>Apresenta estabilidade dimensional louv\u00e1vel com distor\u00e7\u00e3o relativamente baixa ap\u00f3s o processo de tratamento t\u00e9rmico de t\u00eampera em \u00f3leo. Isso \u00e9 vital para ferramentas de precis\u00e3o.<\/td><\/tr><tr><td>Boa seguran\u00e7a no endurecimento<\/td><td>O m\u00e9todo de t\u00eampera em \u00f3leo usado para a\u00e7o O2 minimiza o risco de rachaduras e distor\u00e7\u00f5es em compara\u00e7\u00e3o \u00e0 t\u00eampera em \u00e1gua, especialmente ben\u00e9fico para geometrias de ferramentas complexas.<\/td><\/tr><tr><td>Usinabilidade<\/td><td>Em seu estado recozido (pr\u00e9-endurecido), o a\u00e7o para ferramentas O2 (semelhante ao O1 nesse aspecto) oferece boa usinabilidade, facilitando a fabrica\u00e7\u00e3o de ferramentas.<\/td><\/tr><tr><td>Sensibilidade T\u00e9rmica<\/td><td>\u00c9 importante observar que o a\u00e7o O2 apresenta baixa resist\u00eancia ao amolecimento em temperaturas elevadas. Essa caracter\u00edstica o coloca firmemente na categoria de a\u00e7o para trabalho a frio, o que significa que n\u00e3o \u00e9 indicado para aplica\u00e7\u00f5es que envolvam altas temperaturas.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-6b0ee138 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h2 class=\"wp-block-heading\" id=\"14-eael-table-of-content\"> Par\u00e2metros de tratamento t\u00e9rmico do a\u00e7o O2<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Etapa do processo<\/strong><\/td><td><strong>Faixa de temperatura<\/strong><\/td><td><strong>Dura\u00e7\u00e3o t\u00edpica\/Notas principais<\/strong><\/td><td><strong>Objetivo principal<\/strong><\/td><\/tr><tr><td>Pr\u00e9-aquecimento<\/td><td>~650\u00b0C (1200\u00b0F)<\/td><td>At\u00e9 que a temperatura fique uniforme<\/td><td>Minimize o choque t\u00e9rmico e reduza o risco de distor\u00e7\u00e3o<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-austenitizing\/\">Austenitiza\u00e7\u00e3o<\/a><\/td><td>790\u2013815\u00b0C (1454\u20131472\u00b0F)<\/td><td>30\u201345 min por 25 mm (1 polegada) de se\u00e7\u00e3o<\/td><td>Forma austenita, dissolve carbonetos<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-quenching\/\">Resfriamento<\/a> (\u00d3leo)<\/td><td>Resfriar at\u00e9 66\u201393\u00b0C (150\u2013200\u00b0F)<\/td><td>Resfriamento r\u00e1pido em \u00f3leo<\/td><td>Transformar austenita em martensita<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/pt\/knowledge-hub\/what-is-tempering\/\">T\u00eampera<\/a><\/td><td>149\u2013232\u00b0C (300\u2013450\u00b0F) (por exemplo, 175\u00b0C \/ 350\u00b0F t\u00edpico)<\/td><td>Tempo m\u00ednimo de 2 horas por se\u00e7\u00e3o de 25 mm (1 polegada). Revenimento imediato assim que a pe\u00e7a atingir 52-65 \u00b0C (125-150 \u00b0F).<\/td><td>Melhora a tenacidade, reduz a fragilidade e alivia o estresse. T\u00eamperas m\u00faltiplas costumam ser a melhor op\u00e7\u00e3o.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Para obter par\u00e2metros detalhados de tratamento t\u00e9rmico para o a\u00e7o ferramenta O2, incluindo temperatura de t\u00eampera, processo de t\u00eampera em \u00f3leo e faixa de revenido, consulte nosso documento dedicado. <a href=\"https:\/\/aobosteel.com\/pt\/o2-tool-steel-heat-treatment\/\">Guia de tratamento t\u00e9rmico O2<\/a>.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Abrir formul\u00e1rio de solicita\u00e7\u00e3o de cota\u00e7\u00e3o<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Forged O2 \\\/ 1.2842 Tool Steel Round Bar\",\n    \"image\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/O2-steel-scaled-e1741161183344.webp\",\n    \"description\": \"High-quality Forged O2 (1.2842) Cold Work Tool Steel directly from Aobo Steel factory. 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It experiences minimal distortion during quenching and has excellent hardenability. This steel is suitable for making various precision measuring tools and templates. It is also used for smaller-dimension dies, cold press molds, engraving molds, and blanking dies. Additionally, it can be used for machine tool screws [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4486,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"landing-page","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-9444","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O2 Tool Steel Supplier | 1.2842 \/ SKS31 | Bulk Manufacturer in China | AoboSteel<\/title>\n<meta name=\"description\" content=\"AISI O2 (1.2842 \/ SKS31) oil-hardening cold work tool steel supplier in China. 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