{"id":15306,"date":"2026-05-13T20:46:28","date_gmt":"2026-05-13T12:46:28","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15306"},"modified":"2026-06-25T15:38:05","modified_gmt":"2026-06-25T07:38:05","slug":"s7-tool-steel-vs-4140","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/s7-tool-steel-vs-4140\/","title":{"rendered":"A\u00e7o S7 vs. A\u00e7o 4140: Ferramentas de impacto vs. resist\u00eancia estrutural"},"content":{"rendered":"<section class=\"aobo-s7-4140-page\">\n  <style>\n    .aobo-s7-4140-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      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.aobo-product-card,\n      .aobo-choice-grid,\n      .aobo-related-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-buttons {\n        flex-direction: column;\n      }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Ferramentas de impacto versus resist\u00eancia estrutural<\/span>\n      <h1>A\u00e7o S7 vs. A\u00e7o 4140: Ferramentas de impacto vs. resist\u00eancia estrutural<\/h1>\n      <p>O a\u00e7o S7 \u00e9 um a\u00e7o ferramenta resistente a impactos, utilizado em ferramentas sujeitas a impactos, como pun\u00e7\u00f5es, cinz\u00e9is, l\u00e2minas de corte, conjuntos de rebites e matrizes de impacto. \u00c9 selecionado quando a \u00e1rea de trabalho precisa resistir a lascas, fissuras e impactos repetidos.<\/p>\n      <p>O a\u00e7o 4140 \u00e9 uma liga de a\u00e7o cromo-molibd\u00eanio utilizada em componentes estruturais e de m\u00e1quinas, como eixos, engrenagens, parafusos, dispositivos de fixa\u00e7\u00e3o, suportes e placas de apoio.<\/p>\n      <p>Use S7 quando a pe\u00e7a for a ferramenta de trabalho sob impacto. Use 4140 quando a pe\u00e7a suportar, transmitir ou transportar carga mec\u00e2nica.<\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"A\u00e7o ferramenta S7 da Aobo Steel\">\n      <h2>A\u00e7o ferramenta S7 dispon\u00edvel na Aobo Steel.<\/h2>\n      <p class=\"aobo-strip-intro\">A Aobo Steel fornece a\u00e7o ferramenta S7 resistente a impactos para pun\u00e7\u00f5es, cinz\u00e9is, l\u00e2minas de corte, conjuntos de rebites, matrizes de impacto e ferramentas que devem resistir a lascas ou rachaduras. O a\u00e7o 4140 \u00e9 mencionado aqui como um material de compara\u00e7\u00e3o, n\u00e3o como um produto da Aobo Steel nesta p\u00e1gina.<\/p>\n\n      <div class=\"aobo-product-grid\">\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/S7.webp\" alt=\"A\u00e7o ferramenta S7 fornecido pela Aobo Steel\" loading=\"lazy\">\n          <\/div>\n          <div>\n            <h3>S7 | 1,2355<\/h3>\n            <p class=\"aobo-card-note\">A\u00e7o ferramenta resistente a impactos para pun\u00e7\u00f5es, cinz\u00e9is, conjuntos de rebites, pontas de chave de fenda, l\u00e2minas de corte e ferramentas propensas a rachaduras ou quebras, sujeitas a cargas de impacto.<\/p>\n            <div class=\"aobo-buttons\">\n              <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">Ver detalhes<\/a>\n              <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n            <\/div>\n          <\/div>\n        <\/article>\n      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n      <h2>Tabela de sele\u00e7\u00e3o r\u00e1pida: S7 vs 4140<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Fator de decis\u00e3o<\/th><th>A\u00e7o ferramenta S7<\/th><th>A\u00e7o liga 4140<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>A\u00e7o ferramenta resistente a choques<\/td><td>A\u00e7o liga Cr-Mo de m\u00e9dio carbono<\/td><\/tr>\n            <tr><td>Fun\u00e7\u00e3o principal<\/td><td>Ferramentas de impacto<\/td><td>Componentes estruturais e de m\u00e1quinas<\/td><\/tr>\n            <tr><td>Uso t\u00edpico<\/td><td>Pun\u00e7\u00f5es, l\u00e2minas de corte, cinz\u00e9is, matrizes de impacto<\/td><td>Eixos, engrenagens, eixos de transmiss\u00e3o, parafusos, dispositivos de fixa\u00e7\u00e3o, suportes<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>Aproximadamente 56-58 HRC<\/td><td>Geralmente com dureza pr\u00e9-endurecida de cerca de 28-32 HRC.<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao impacto<\/td><td>Excelente para ferramentas sujeitas a impactos.<\/td><td>Boa resist\u00eancia estrutural, mas n\u00e3o \u00e9 um a\u00e7o para ferramentas de choque.<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Adequado para ferramentas de impacto, mas n\u00e3o t\u00e3o resistente ao desgaste quanto o D2 ou o A2.<\/td><td>Limitado, a menos que endurecido superficialmente.<\/td><\/tr>\n            <tr><td>Tratamento t\u00e9rmico<\/td><td>Endurecimento ao ar<\/td><td>Geralmente temperado e revenido, ou endurecido superficialmente.<\/td><\/tr>\n            <tr><td>Risco de distor\u00e7\u00e3o<\/td><td>Menor devido ao endurecimento ao ar<\/td><td>Maior quando o l\u00edquido \u00e9 resfriado bruscamente.<\/td><\/tr>\n            <tr><td>Usinabilidade<\/td><td>Bom para um a\u00e7o ferramenta em condi\u00e7\u00e3o recozida.<\/td><td>Geralmente mais f\u00e1cil de usinar do que o S7.<\/td><\/tr>\n            <tr><td>Custo<\/td><td>Mais alto<\/td><td>Inferior<\/td><\/tr>\n            <tr><td>Melhor escolha quando<\/td><td>A ferramenta falha por impacto, lascamento ou rachadura.<\/td><td>A pe\u00e7a precisa ser resistente, ter boa resist\u00eancia \u00e0 fadiga, ser usin\u00e1vel e ter um custo reduzido.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Diferen\u00e7a fundamental entre S7 e 4140<\/h2>\n      <p>A principal diferen\u00e7a reside nas condi\u00e7\u00f5es de servi\u00e7o.<\/p>\n      <p>O a\u00e7o S7 foi projetado para uso em ferramentas, apresentando desempenho ideal quando o componente possui aresta de corte, face de impacto, superf\u00edcie de conforma\u00e7\u00e3o ou \u00e1rea sujeita a impactos. Nesses casos, o a\u00e7o deve manter dureza suficiente para a reten\u00e7\u00e3o do fio de corte e tenacidade adequada para evitar fraturas.<\/p>\n      <p>O a\u00e7o 4140 \u00e9 especificado para aplica\u00e7\u00f5es estruturais. Ele se destaca em componentes que fornecem suporte de carga, transmiss\u00e3o de torque, resist\u00eancia \u00e0 fadiga e sustenta\u00e7\u00e3o de outras pe\u00e7as. Oferece usinabilidade superior, ampla disponibilidade e custo-benef\u00edcio para elementos de m\u00e1quinas de grande porte.<\/p>\n      <p>Uma pe\u00e7a de a\u00e7o 4140 temperado ainda pode falhar rapidamente em uma ferramenta de impacto. Uma pe\u00e7a de a\u00e7o S7 tamb\u00e9m pode ser desnecess\u00e1ria e muito cara para um eixo, dispositivo de fixa\u00e7\u00e3o ou componente de suporte de uso geral.<\/p>\n\n      <h2>Compara\u00e7\u00e3o da composi\u00e7\u00e3o qu\u00edmica<\/h2>\n      <p>A composi\u00e7\u00e3o qu\u00edmica do a\u00e7o S7 o torna resistente a choques. A composi\u00e7\u00e3o qu\u00edmica do a\u00e7o 4140 \u00e9 adequada para uso estrutural.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Elemento<\/th><th>A\u00e7o ferramenta S7<\/th><th>A\u00e7o liga 4140<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Carbono<\/td><td>0.45-0.55%<\/td><td>0.38-0.43%<\/td><\/tr>\n            <tr><td>Cromo<\/td><td>3.00-3.50%<\/td><td>0.80-1.10%<\/td><\/tr>\n            <tr><td>Molibd\u00eanio<\/td><td>1.30-1.80%<\/td><td>0.15-0.25%<\/td><\/tr>\n            <tr><td>Mangan\u00eas<\/td><td>0.20-0.90%<\/td><td>0.75-1.00%<\/td><\/tr>\n            <tr><td>Sil\u00edcio<\/td><td>0.20-1.00%<\/td><td>0.15-0.35%<\/td><\/tr>\n            <tr><td>Van\u00e1dio<\/td><td>0,20-0,30% quando especificado<\/td><td>Geralmente n\u00e3o especificado<\/td><\/tr>\n            <tr><td>F\u00f3sforo<\/td><td>0,030% m\u00e1x.<\/td><td>0,035% m\u00e1x.<\/td><\/tr>\n            <tr><td>Enxofre<\/td><td>0,030% m\u00e1x.<\/td><td>0,040% m\u00e1x.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o S7 possui maior teor de cromo e molibd\u00eanio, o que favorece o endurecimento ao ar, maior dureza, tratamento t\u00e9rmico est\u00e1vel e resist\u00eancia a impactos.<\/p>\n      <p>O menor teor de liga do a\u00e7o 4140 o torna economicamente vi\u00e1vel para aplica\u00e7\u00f5es estruturais, mas limita seu desempenho em ferramentas de impacto em compara\u00e7\u00e3o com o a\u00e7o S7.<\/p>\n\n      <h2>Compara\u00e7\u00e3o de dureza e tratamento t\u00e9rmico<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Fator<\/th><th>A\u00e7o ferramenta S7<\/th><th>A\u00e7o liga 4140<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Dureza de trabalho comum<\/td><td>Aproximadamente 56-58 HRC<\/td><td>Geralmente com dureza pr\u00e9-endurecida de cerca de 28-32 HRC.<\/td><\/tr>\n            <tr><td>Maior potencial de dureza<\/td><td>Aproximadamente 60-61 HRC ap\u00f3s t\u00eampera, mas a tenacidade diminui se o tratamento t\u00e9rmico for excessivo.<\/td><td>\u00c9 poss\u00edvel obter maior dureza ap\u00f3s t\u00eampera e revenido, dependendo da dimens\u00e3o da se\u00e7\u00e3o transversal.<\/td><\/tr>\n            <tr><td>Meios de extin\u00e7\u00e3o<\/td><td>Endurecimento ao ar<\/td><td>Geralmente t\u00eampera em \u00f3leo e revenido, ou endurecimento superficial.<\/td><\/tr>\n            <tr><td>Risco de distor\u00e7\u00e3o<\/td><td>Menor devido ao endurecimento ao ar<\/td><td>Superior a S7 quando resfriado rapidamente a partir do l\u00edquido<\/td><\/tr>\n            <tr><td>Endurecimento superficial<\/td><td>\u00c9 poss\u00edvel, mas n\u00e3o deve reduzir a resist\u00eancia a impactos.<\/td><td>Comum em eixos, engrenagens, pinos e superf\u00edcies de desgaste.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o S7 \u00e9 normalmente temperado a uma dureza de 56-58 HRC para otimizar a resist\u00eancia do fio e a tenacidade ao impacto. Uma dureza excessiva aumenta o risco de fissuras e lascas.<\/p>\n      <p>O a\u00e7o 4140 \u00e9 geralmente fornecido pr\u00e9-endurecido, com uma dureza entre 28 e 32 HRC, ou pode ser endurecido superficialmente por indu\u00e7\u00e3o, t\u00eampera por chama, nitreta\u00e7\u00e3o ou cementa\u00e7\u00e3o para obten\u00e7\u00e3o de n\u00facleos resistentes e superf\u00edcies duras.<\/p>\n      <p>O ponto principal \u00e9 que o a\u00e7o S7 \u00e9 escolhido para um corpo de ferramenta resistente e de alto desempenho. J\u00e1 o a\u00e7o 4140 \u00e9 escolhido por sua robustez estrutural, geralmente com endurecimento superficial apenas onde necess\u00e1rio.<\/p>\n\n      <h2>Guia de Aplica\u00e7\u00e3o e Substitui\u00e7\u00e3o<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Condi\u00e7\u00e3o ou d\u00favida sobre o servi\u00e7o<\/th><th>Melhor escolha<\/th><th>Raz\u00e3o<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>cavacos da borda de trabalho sob impacto<\/td><td>S7<\/td><td>Melhor resist\u00eancia a impactos com a dureza da ferramenta.<\/td><\/tr>\n            <tr><td>O soco estala durante golpes repetidos.<\/td><td>S7<\/td><td>Projetado para ferramentas submetidas a impactos.<\/td><\/tr>\n            <tr><td>Danos na borda da l\u00e2mina de corte<\/td><td>S7<\/td><td>Melhor equil\u00edbrio entre dureza e tenacidade<\/td><\/tr>\n            <tr><td>Cinzel ou ferramenta de impacto<\/td><td>S7<\/td><td>Melhor resist\u00eancia \u00e0 fratura por impacto<\/td><\/tr>\n            <tr><td>Matriz de conforma\u00e7\u00e3o a frio sob carga de impacto<\/td><td>S7<\/td><td>Melhor desempenho de ferramentas de impacto<\/td><\/tr>\n            <tr><td>Eixo sob tor\u00e7\u00e3o<\/td><td>4140<\/td><td>Melhor escolha de a\u00e7o-liga estrutural<\/td><\/tr>\n            <tr><td>Engrenagem ou eixo sob carga c\u00edclica<\/td><td>4140<\/td><td>Mais adequado para fadiga e carga da m\u00e1quina<\/td><\/tr>\n            <tr><td>Desgaste superficial no munh\u00e3o do eixo<\/td><td>4140 com endurecimento superficial<\/td><td>Superf\u00edcie r\u00edgida com n\u00facleo resistente<\/td><\/tr>\n            <tr><td>Suporte da ferramenta, haste ou placa de apoio<\/td><td>4140<\/td><td>Custo mais baixo e usinagem mais f\u00e1cil<\/td><\/tr>\n            <tr><td>Componente de fixa\u00e7\u00e3o ou suporte<\/td><td>4140<\/td><td>Boa resist\u00eancia com custo reduzido<\/td><\/tr>\n            <tr><td>Matriz de produ\u00e7\u00e3o em pequena escala com impacto limitado<\/td><td>4140 pode ser aceit\u00e1vel<\/td><td>Menor custo quando a carga de ferramentas n\u00e3o \u00e9 severa<\/td><\/tr>\n            <tr><td>A pe\u00e7a 4140 falha por lascamento ou fissura\u00e7\u00e3o por impacto.<\/td><td>Atualize para o S7<\/td><td>O a\u00e7o 4140 n\u00e3o \u00e9 um a\u00e7o ferramenta resistente a impactos.<\/td><\/tr>\n            <tr><td>Considerando o S7 para uma pe\u00e7a de m\u00e1quina de uso geral<\/td><td>Geralmente fico com 4140<\/td><td>S7 \u00e9 desnecess\u00e1rio para a maioria dos usos estruturais.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>O a\u00e7o 4140 pode substituir o S7 somente quando as demandas operacionais n\u00e3o exigirem um a\u00e7o ferramenta resistente a impactos. Aplica\u00e7\u00f5es adequadas incluem placas de apoio, porta-ferramentas, hastes, dispositivos de fixa\u00e7\u00e3o, ferramentas de prot\u00f3tipo, matrizes para pequenas s\u00e9ries e suportes de baixo impacto.<\/p>\n      <p>O a\u00e7o 4140 n\u00e3o deve substituir o S7 em pun\u00e7\u00f5es, l\u00e2minas de corte pesado, cinz\u00e9is, matrizes de produ\u00e7\u00e3o em massa ou qualquer ferramenta sujeita a impactos recorrentes; o uso do 4140 nessas fun\u00e7\u00f5es apresenta risco de deforma\u00e7\u00e3o, instabilidade de borda, fratura e desgaste acelerado.<\/p>\n      <p>Utilize o a\u00e7o S7 em vez do 4140 somente se a pe\u00e7a de 4140 funcionar como uma ferramenta de impacto e falhar sob essas tens\u00f5es. N\u00e3o utilize o a\u00e7o S7 em eixos, engrenagens, parafusos ou pe\u00e7as de m\u00e1quinas de uso geral onde a vida \u00fatil \u00e0 fadiga, a resist\u00eancia \u00e0 tor\u00e7\u00e3o, a usinabilidade e o custo s\u00e3o os fatores determinantes.<\/p>\n\n      <h2>Padr\u00f5es de falha comuns<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>A\u00e7o<\/th><th>Causas comuns de falhas<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>S7<\/td><td>Dureza excessiva, tratamento t\u00e9rmico inadequado, cantos internos afiados, suporte de ferramenta inadequado, danos por retifica\u00e7\u00e3o, danos na superf\u00edcie por eletroeros\u00e3o, fissuras relacionadas \u00e0 soldagem.<\/td><\/tr>\n            <tr><td>4140<\/td><td>Fadiga, sobrecarga, fissura\u00e7\u00e3o por t\u00eampera, fadiga superficial ap\u00f3s cementa\u00e7\u00e3o, fragiliza\u00e7\u00e3o por controle inadequado do tratamento t\u00e9rmico.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>As falhas do a\u00e7o S7 geralmente resultam de tenacidade insuficiente, frequentemente devido \u00e0 dureza inadequada, tratamento t\u00e9rmico abaixo do ideal, raios de canto inadequados ou acabamento superficial ruim.<\/p>\n      <p>As falhas do a\u00e7o 4140 est\u00e3o predominantemente ligadas \u00e0 sobrecarga, fadiga ou tratamento t\u00e9rmico inadequado. Embora seja confi\u00e1vel para eixos, engrenagens ou dispositivos de fixa\u00e7\u00e3o, n\u00e3o \u00e9 adequado para aplica\u00e7\u00f5es de impacto.<\/p>\n\n      <h2>L\u00f3gica de Custo e Sele\u00e7\u00e3o<\/h2>\n      <p>O a\u00e7o 4140 geralmente \u00e9 mais econ\u00f4mico e facilmente dispon\u00edvel. Para montagens estruturais, dispositivos de fixa\u00e7\u00e3o, suportes e pe\u00e7as grandes de m\u00e1quinas, \u00e9 a recomenda\u00e7\u00e3o usual.<\/p>\n      <p>O a\u00e7o S7 \u00e9 mais caro devido \u00e0 sua formula\u00e7\u00e3o de alta liga e aos rigorosos requisitos de propriedades. O tratamento t\u00e9rmico p\u00f3s-usinagem \u00e9 obrigat\u00f3rio para atingir a dureza de servi\u00e7o.<\/p>\n      <p>A sele\u00e7\u00e3o de materiais deve seguir os requisitos funcionais, e n\u00e3o o pre\u00e7o. Para fun\u00e7\u00f5es de suporte, o a\u00e7o 4140 otimiza custos sem sacrificar a funcionalidade. Para ferramentas de impacto, a substitui\u00e7\u00e3o do a\u00e7o S7 pelo 4140 pode levar \u00e0 falha prematura de componentes, aumento do tempo de inatividade e custos totais mais elevados.<\/p>\n\n      <h2>Sele\u00e7\u00e3o final<\/h2>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>Escolha S7 para ferramentas de impacto.<\/h3>\n          <p>Use S7 para pun\u00e7\u00f5es, cinz\u00e9is, l\u00e2minas, matrizes de impacto e \u00e1reas de ferramentas de trabalho expostas a choques repetidos, lascamento ou risco de rachaduras.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Selecione 4140 para pe\u00e7as de suporte.<\/h3>\n          <p>Utilize o a\u00e7o 4140 para eixos, engrenagens, parafusos, suportes, dispositivos de fixa\u00e7\u00e3o, placas de apoio e componentes estruturais de m\u00e1quinas.<\/p>\n        <\/article>\n      <\/div>\n      <div class=\"aobo-note-box\">\n        <p>Selecione S7 para ferramentas de impacto. Selecione 4140 para componentes estruturais e de m\u00e1quinas. Use S7 para a ferramenta de trabalho sob impacto e 4140 para pe\u00e7as de suporte, transmiss\u00e3o e de sustenta\u00e7\u00e3o de carga.<\/p>\n      <\/div>\n\n      <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas de compara\u00e7\u00e3o do a\u00e7o ferramenta S7\">\n        <h2>P\u00e1ginas relacionadas<\/h2>\n        <div class=\"aobo-related-grid\">\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/d2-vs-s7-tool-steel\/\">\n            <strong>S7 vs D2<\/strong>\n            <span>Resist\u00eancia ao impacto versus maior resist\u00eancia ao desgaste.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/\">\n            <strong>S7 vs A2<\/strong>\n            <span>Resist\u00eancia ao impacto versus melhor resist\u00eancia ao desgaste e estabilidade dimensional.<\/span>\n          <\/a>\n        <\/div>\n      <\/section>\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Precisa de a\u00e7o ferramenta S7 resistente a impactos?<\/h2>\n        <p>A Aobo Steel fornece a\u00e7o ferramenta S7 para pun\u00e7\u00f5es, cinz\u00e9is, l\u00e2minas de corte, conjuntos de rebites, matrizes de impacto e aplica\u00e7\u00f5es de ferramentas onde lascamento, fissuras e cargas de choque repetidas controlam a sele\u00e7\u00e3o do material.<\/p>\n      <\/div>\n      <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Impact Tooling vs Structural Strength S7 vs 4140 Steel: Impact Tooling vs Structural Strength S7 is a shock-resisting tool steel used for impact-loaded tools such as punches, chisels, shear blades, rivet sets, and impact dies. It is selected when the working area must resist chipping, cracking, and repeated shock loading. 4140 is a chromium-molybdenum alloy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15310,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","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-15306","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>S7 vs 4140 Steel: Impact Tooling vs Structural Strength | AoboSteel<\/title>\n<meta name=\"description\" content=\"Compare S7 and 4140 steel by impact resistance, hardness, heat treatment, composition, applications, and replacement limits. 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