{"id":9609,"date":"2025-08-08T09:28:25","date_gmt":"2025-08-08T01:28:25","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9609"},"modified":"2026-01-05T14:14:24","modified_gmt":"2026-01-05T06:14:24","slug":"plastic-mold-steels","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/plastic-mold-steels\/","title":{"rendered":"Cat\u00e1logo de A\u00e7os para Moldes Pl\u00e1sticos"},"content":{"rendered":"
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Cat\u00e1logo de A\u00e7os para Moldes Pl\u00e1sticos<\/mark><\/h1>\n\n\n\n
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Enviar consulta agora<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
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\"a\u00e7o<\/figure>
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A\u00e7o ferramenta P20 | 1.2311 | 3Cr2Mo<\/h3>\n\n\n\n

O P20 \u00e9 um a\u00e7o padr\u00e3o da ind\u00fastria para moldes de inje\u00e7\u00e3o de pl\u00e1stico e moldes de fundi\u00e7\u00e3o de zinco, geralmente fornecido pr\u00e9-endurecido. Oferece excelente usinabilidade, permitindo usinagem direta da cavidade sem tratamento t\u00e9rmico posterior, reduzindo efetivamente os custos de fabrica\u00e7\u00e3o e os prazos de entrega. Isso o torna o material preferido para a produ\u00e7\u00e3o de bases de moldes grandes e econ\u00f4micas.<\/p>\n\n\n\n

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Ver detalhes<\/a><\/div>\n\n\n\n
Fa\u00e7a sua consulta agora<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
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\"a\u00e7o<\/figure>
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A\u00e7o para ferramentas P20+Ni | 1,2738<\/h3>\n\n\n\n

O P20+Ni \u00e9 um a\u00e7o para moldes pr\u00e9-endurecido, refor\u00e7ado com n\u00edquel, baseado no P20, que oferece excelente polimento e desempenho em grava\u00e7\u00e3o. O n\u00edquel aumenta significativamente a temperabilidade do material, garantindo dureza uniforme em grandes se\u00e7\u00f5es transversais do tarugo e prevenindo eficazmente a redu\u00e7\u00e3o da dureza do n\u00facleo. \u00c9 utilizado na fabrica\u00e7\u00e3o de moldes complexos que exigem alto acabamento superficial ou processos de foto-grava\u00e7\u00e3o.<\/p>\n\n\n\n

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Ver detalhes<\/a><\/div>\n\n\n\n
Fa\u00e7a sua consulta agora<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n

O que \u00e9 a\u00e7o para moldes de pl\u00e1stico<\/h2>\n\n\n\n

O a\u00e7o para moldes pl\u00e1sticos \u00e9 utilizado principalmente na fabrica\u00e7\u00e3o de moldes para conforma\u00e7\u00e3o e processamento de materiais pl\u00e1sticos. \u00c9 classificado como \u201ca\u00e7o do grupo P\u201d no AISI<\/mark><\/a> O a\u00e7o para moldes pl\u00e1sticos \u00e9 classificado como a\u00e7o ferramenta para trabalho a frio nas normas EN\/DIN. A temperatura dos processos de moldagem de pl\u00e1stico geralmente fica abaixo de 200 \u00b0C. Comparado com a moldagem de metal, a resist\u00eancia ao calor ou ao desgaste do a\u00e7o para moldes pl\u00e1sticos geralmente n\u00e3o \u00e9 cr\u00edtica, mas os requisitos de qualidade superficial s\u00e3o muito elevados.<\/p>\n\n\n\n

Muitos a\u00e7os para moldes pl\u00e1sticos s\u00e3o fornecidos pr\u00e9-endurecidos (por exemplo, graus P20 a 32 HRC, DIN 1.2711 a 40 HRC). Isso elimina a necessidade de o fabricante do molde realizar o tratamento t\u00e9rmico final, minimizando o risco de distor\u00e7\u00e3o e reduzindo o tempo e o custo geral de fabrica\u00e7\u00e3o. Se n\u00e3o forem pr\u00e9-endurecidos, os a\u00e7os s\u00e3o normalmente vendidos na condi\u00e7\u00e3o recozida para facilitar a conforma\u00e7\u00e3o e, em seguida, endurecidos por tratamento t\u00e9rmico.<\/p>\n\n\n\n

Graus espec\u00edficos de a\u00e7o<\/h2>\n\n\n\n

V\u00e1rios tipos espec\u00edficos de a\u00e7o para ferramentas s\u00e3o comumente usados em moldes de pl\u00e1stico, escolhidos com base na complexidade da pe\u00e7a, no volume de produ\u00e7\u00e3o e no acabamento superficial necess\u00e1rio:<\/p>\n\n\n\n

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  1. A\u00e7os da S\u00e9rie P<\/strong>Os graus mais comuns s\u00e3o P20(1,2311), P20S(1,2312) e P20Ni(1,2738). Graus de baixo carbono, como P2, P4 e P6, s\u00e3o normalmente usados para cavidades "cubadas" (fresadas), onde um cubo mestre de a\u00e7o temperado \u00e9 for\u00e7ado a entrar em um molde mais macio para formar a impress\u00e3o.<\/li>\n\n\n\n
  2. A\u00e7os para trabalho a quente<\/strong> \u2013 H13<\/mark><\/a><\/strong>. Um excelente a\u00e7o para moldes de pl\u00e1stico e fundi\u00e7\u00e3o sob press\u00e3o. Apresenta excelente resist\u00eancia ao revenimento, menor tend\u00eancia a fissuras e m\u00ednima distor\u00e7\u00e3o durante a t\u00eampera ao ar. Quando tratado termicamente para atingir maior dureza (>50 HRC), oferece excelente polimento e responde muito bem \u00e0 nitreta\u00e7\u00e3o, alcan\u00e7ando alta dureza superficial.<\/li>\n\n\n\n
  3. A\u00e7os inoxid\u00e1veis martens\u00edticos<\/strong>\u2013A\u00e7o inoxid\u00e1vel 420<\/mark><\/a> e modifica\u00e7\u00f5es<\/strong>Comumente utilizado em moldes de inje\u00e7\u00e3o, especialmente para pl\u00e1sticos corrosivos ou em condi\u00e7\u00f5es atmosf\u00e9ricas severas, pois oferece resist\u00eancia inerente \u00e0 corros\u00e3o sem a necessidade de cromagem. Pode atingir um acabamento espelhado e boa estabilidade dimensional ap\u00f3s tratamento t\u00e9rmico. No entanto, o revenimento em uma faixa espec\u00edfica (425-595 \u00b0C) pode causar fragiliza\u00e7\u00e3o e perda da resist\u00eancia \u00e0 corros\u00e3o.<\/li>\n\n\n\n
  4. A\u00e7os resistentes a choques \u2013 S7<\/mark><\/a><\/strong>. Recomendado para moldes que exigem alt\u00edssima resist\u00eancia ao choque.<\/li>\n\n\n\n
  5. A\u00e7os para ferramentas de trabalho a frio (por exemplo, A2<\/mark><\/a>, D2<\/mark><\/a>)<\/strong><\/strong>. Usado para aplica\u00e7\u00f5es que exigem maior resist\u00eancia ao desgaste, especialmente na moldagem de pl\u00e1sticos abrasivos (por exemplo, pl\u00e1sticos refor\u00e7ados com fibra).<\/li>\n<\/ol>\n\n\n\n

    Propriedades<\/h2>\n\n\n\n
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    1. Polibilidade e texturabilidade.<\/strong> O pl\u00e1stico fundido consegue reproduzir detalhes minuciosos na superf\u00edcie do molde, tornando uma superf\u00edcie perfeita e sem defeitos crucial para a apar\u00eancia final do produto. A alta dureza superficial do a\u00e7o para moldes de pl\u00e1stico melhora significativamente a capacidade de polimento e minimiza defeitos como o efeito "casca de laranja" (endurecimento localizado por deforma\u00e7\u00e3o).<\/li>\n\n\n\n
    2. Dureza e Resist\u00eancia<\/strong>. A elevada dureza superficial e a alta resist\u00eancia do n\u00facleo do a\u00e7o para moldes pl\u00e1sticos podem impedir que a cavidade afunde sob altas press\u00f5es de inje\u00e7\u00e3o. Embora a dureza dos moldes pl\u00e1sticos pr\u00e9-endurecidos varie normalmente de 30 a 40 HRC, eles podem ser endurecidos superficialmente por meio de cementa\u00e7\u00e3o ou nitreta\u00e7\u00e3o para melhorar a resist\u00eancia ao desgaste.<\/li>\n\n\n\n
    3. Resist\u00eancia e resist\u00eancia ao choque<\/strong>Os moldes s\u00e3o submetidos a choques mec\u00e2nicos durante a opera\u00e7\u00e3o (abertura\/fechamento) e a choques t\u00e9rmicos devido a ciclos r\u00e1pidos de aquecimento\/resfriamento, especialmente em m\u00e1quinas de ciclo r\u00e1pido. Uma boa tenacidade pode evitar rachaduras.<\/li>\n\n\n\n
    4. Estabilidade dimensional<\/strong>. Minimizar a distor\u00e7\u00e3o ou a altera\u00e7\u00e3o dimensional durante o tratamento t\u00e9rmico \u00e9 fundamental para moldes de precis\u00e3o.<\/li>\n\n\n\n
    5. Usinabilidade<\/strong>A usinagem constitui uma parcela significativa (at\u00e9 70%) do custo total de fabrica\u00e7\u00e3o do molde. A\u00e7os mais f\u00e1ceis de usinar podem reduzir significativamente os custos gerais.<\/li>\n\n\n\n
    6. Resist\u00eancia \u00e0 corros\u00e3o<\/strong>. Essencial no processamento de pl\u00e1sticos corrosivos (por exemplo, cloreto de polivinila (PVC), que pode liberar HCl quando degradado) ou quando os moldes s\u00e3o armazenados em ambientes \u00famidos.<\/li>\n\n\n\n
    7. Soldabilidade<\/strong>. Uma boa soldabilidade \u00e9 ben\u00e9fica para o reparo e a manuten\u00e7\u00e3o de moldes, prolongando assim a vida \u00fatil da ferramenta.<\/li>\n<\/ol>\n\n\n\n

      Tratamentos de superf\u00edcie<\/h2>\n\n\n\n
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      • Cementa\u00e7\u00e3o<\/strong>: Um processo em que o carbono \u00e9 difundido na superf\u00edcie para aumentar a dureza e a resist\u00eancia ao desgaste, especialmente para a\u00e7os de molde de baixo carbono, como P2 e P6.<\/li>\n\n\n\n
      • Nitreta\u00e7\u00e3o<\/strong>Difunde nitrog\u00eanio na superf\u00edcie, aumentando significativamente a dureza e a resist\u00eancia \u00e0 corros\u00e3o, ao mesmo tempo que reduz o atrito. O a\u00e7o H13 responde muito bem \u00e0 nitreta\u00e7\u00e3o.<\/li>\n\n\n\n
      • Cromagem\/N\u00edquel<\/strong>: Pode ser aplicado para resist\u00eancia ao desgaste ou prote\u00e7\u00e3o contra corros\u00e3o, especialmente contra pl\u00e1sticos agressivos como o PVC. No entanto, o uso de a\u00e7os inoxid\u00e1veis resistentes \u00e0 corros\u00e3o pode eliminar a necessidade de galvanoplastia.<\/li>\n\n\n\n
      • Endurecimento por chama<\/strong>: Usado para endurecimento localizado de \u00e1reas espec\u00edficas sujeitas a desgaste ou brinelling.<\/li>\n<\/ul>\n\n\n\n

        Desafios e Defeitos<\/h2>\n\n\n\n
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        • Defeitos de polimento<\/strong>: Pode incluir \u201cfuros\u201d de inclus\u00f5es n\u00e3o met\u00e1licas e \u201ccasca de laranja\u201d devido ao endurecimento por deforma\u00e7\u00e3o localizada durante o polimento excessivo.<\/li>\n\n\n\n
        • Problemas de texturiza\u00e7\u00e3o<\/strong>: A prepara\u00e7\u00e3o inadequada da superf\u00edcie ou irregularidades microestruturais podem levar a resultados de grava\u00e7\u00e3o irregulares.<\/li>\n\n\n\n
        • Distor\u00e7\u00e3o durante o tratamento t\u00e9rmico<\/strong>: Expans\u00f5es, contra\u00e7\u00f5es, empenamentos e altera\u00e7\u00f5es de formato podem ocorrer, exigindo controle preciso e, idealmente, o uso de classes pr\u00e9-endurecidas ou endurecidas ao ar.<\/li>\n<\/ul>\n\n\n\n

          Aplicativos<\/h2>\n\n\n\n

          Moldagem por inje\u00e7\u00e3o de termopl\u00e1sticos
          Moldagem por compress\u00e3o de pl\u00e1sticos termofixos
          Moldagem por sopro e extrus\u00e3o
          Matrizes de fundi\u00e7\u00e3o sob press\u00e3o: Utilizadas para ligas de baixo ponto de fus\u00e3o, como estanho, zinco e chumbo.
          Moldes para produtos de vidro: Alguns a\u00e7os para moldes tamb\u00e9m s\u00e3o usados na fabrica\u00e7\u00e3o de vidro, exigindo propriedades como alta resist\u00eancia ao desgaste, resist\u00eancia \u00e0 incrusta\u00e7\u00e3o, resist\u00eancia a altas temperaturas e polibilidade.<\/p>\n\n\n\n

          Perguntas frequentes<\/h2>\n\n\n\n
          O que \u00e9 a\u00e7o para moldes de pl\u00e1stico?<\/strong><\/strong>

          O a\u00e7o para moldes pl\u00e1sticos \u00e9 um tipo de a\u00e7o ferramenta projetado especificamente para a fabrica\u00e7\u00e3o de moldes usados em processos de inje\u00e7\u00e3o e compress\u00e3o de pl\u00e1sticos. Esses a\u00e7os s\u00e3o escolhidos por sua excelente capacidade de polimento, microlimpeza, usinabilidade e estabilidade dimensional.<\/p> <\/div>

          \u00c9 poss\u00edvel moldar pl\u00e1stico em metal?<\/strong><\/strong>

          Sim, o pl\u00e1stico pode ser moldado em metal. Isso ocorre por meio de processos como a moldagem por inje\u00e7\u00e3o de insertos, em que o pl\u00e1stico \u00e9 moldado em torno de componentes met\u00e1licos preexistentes78, ou por meio da moldagem por inje\u00e7\u00e3o de metal (MIM), em que o p\u00f3 met\u00e1lico \u00e9 misturado a um ligante pl\u00e1stico, moldado e, em seguida, sinterizado9\u2026<\/p> <\/div>

          Qual \u00e9 a utilidade do a\u00e7o para moldes?<\/strong>

          Os a\u00e7os para moldes s\u00e3o usados principalmente para criar moldes e matrizes para moldar diversos materiais, principalmente pl\u00e1sticos, bem como para fundi\u00e7\u00e3o sob press\u00e3o, moldagem de cer\u00e2mica e moldagem de p\u00f3.<\/p> <\/div>

          Que tipo de a\u00e7o \u00e9 usado para moldes?<\/strong>

          Os tipos comuns de a\u00e7os para ferramentas utilizados em moldes incluem a\u00e7os da s\u00e9rie P (p. ex., P20, P21, P6), a\u00e7os da s\u00e9rie H (p. ex., H13, H12, H21, H25), s\u00e9rie A (p. ex., A2), s\u00e9rie D (p. ex., D2) e a\u00e7os inoxid\u00e1veis martens\u00edticos (p. ex., Tipo 420, 17-4 PH). A sele\u00e7\u00e3o depende do volume de produ\u00e7\u00e3o, das caracter\u00edsticas da fundi\u00e7\u00e3o e da precis\u00e3o exigida.<\/p> <\/div>

          Moldes de silicone podem ser usados para metal?<\/strong>

          Eles geralmente n\u00e3o s\u00e3o adequados para fundi\u00e7\u00e3o direta de metal fundido em altas temperaturas devido \u00e0 menor resist\u00eancia t\u00e9rmica do silicone.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

          P20 Tool Steel | 1.2311\u00a0| 3Cr2Mo P20 is an industry-standard steel grade for plastic injection molds and zinc die-casting molds, typically supplied in a pre-hardened condition. It offers excellent machinability, enabling direct cavity machining without subsequent heat treatment, effectively reducing manufacturing costs and lead times. This makes it the preferred material for producing large, cost-effective […]<\/p>\n","protected":false},"author":1,"featured_media":6593,"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-9609","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nPlastic Mold Steels Catalog - AoboSteel<\/title>\n<meta name=\"description\" content=\"Explore the key properties of plastic mold steels and discover how they enhance mold making in industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/pt\/plastic-mold-steels\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plastic Mold Steels Catalog\" \/>\n<meta property=\"og:description\" content=\"Explore the key properties of plastic mold steels and discover how they enhance mold making in industrial applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/pt\/plastic-mold-steels\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-05T06:14:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Plastic Mold Steels Catalog\",\"datePublished\":\"2025-08-08T01:28:25+00:00\",\"dateModified\":\"2026-01-05T06:14:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/\"},\"wordCount\":1116,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/p20-mold-steel.avif\",\"inLanguage\":\"pt-BR\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/plastic-mold-steels\\\/\",\"name\":\"Plastic Mold Steels Catalog - 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These steels are chosen for their excellent polishability, micro-cleanliness, machinability, and dimensional stability.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615499903","position":2,"url":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615499903","name":"\u00c9 poss\u00edvel moldar pl\u00e1stico em metal?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, plastic can be molded into metal. This occurs through processes like insert injection molding, where plastic is molded around pre-existing metal components78, or through metal injection molding (MIM), where metal powder is mixed with a plastic binder, molded, and then sintered9....","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615527467","position":3,"url":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615527467","name":"Qual \u00e9 a utilidade do a\u00e7o para moldes?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Mold steels are primarily used to create molds and dies for shaping various materials, most notably plastics, as well as for die casting, ceramic molding, and powder molding.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615556328","position":4,"url":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615556328","name":"Que tipo de a\u00e7o \u00e9 usado para moldes?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Common types of tool steels used for molds include P-series steels (e.g., P20, P21, P6), H-series steels (e.g., H13, H12, H21, H25), A-series (e.g., A2), D-series (e.g., D2), and martensitic stainless steels (e.g., Type 420, 17-4 PH). The selection depends on production volume, casting characteristics, and required accuracy.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615586745","position":5,"url":"https:\/\/aobosteel.com\/plastic-mold-steels\/#faq-question-1754615586745","name":"Moldes de silicone podem ser usados para metal?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"They are generally not suitable for direct high-temperature casting of molten metal due to silicone's lower temperature resistance.","inLanguage":"pt-BR"},"inLanguage":"pt-BR"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"P20 Tool Steel | 1.2311\u00a0| 3Cr2Mo P20 is an industry-standard steel grade for plastic injection molds and zinc die-casting molds, typically supplied in a pre-hardened condition. It offers excellent machinability, enabling direct cavity machining without subsequent heat treatment, effectively reducing manufacturing costs and lead times. This makes it the preferred material for producing large, cost-effective…","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel.avif",500,500,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/p20-mold-steel-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"P20 Tool Steel | 1.2311\u00a0| 3Cr2Mo P20 is an industry-standard steel grade for plastic injection molds and zinc die-casting molds, typically supplied in a pre-hardened condition. It offers excellent machinability, enabling direct cavity machining without subsequent heat treatment, effectively reducing manufacturing costs and lead times. This makes it the preferred material for producing large, cost-effective…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/comments?post=9609"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/9609\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media\/6593"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=9609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}