{"id":21291,"date":"2026-10-08T08:18:03","date_gmt":"2026-10-08T00:18:03","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=21291"},"modified":"2026-10-16T16:21:03","modified_gmt":"2026-10-16T08:21:03","slug":"permanent-mold-and-core-materials","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/permanent-mold-and-core-materials\/","title":{"rendered":"Materiais de Molde Permanente e Macho para Fundi\u00e7\u00e3o em Molde por Gravidade"},"content":{"rendered":"<h1 class=\"wp-block-heading\">Materiais de Molde Permanente e Macho para Fundi\u00e7\u00e3o em Molde por Gravidade<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A fundi\u00e7\u00e3o em molde permanente, tamb\u00e9m chamada de fundi\u00e7\u00e3o em molde por gravidade, verte o metal em um molde met\u00e1lico reutiliz\u00e1vel sob gravidade. O molde e seus machos s\u00e3o o ferramental, e o material de que s\u00e3o feitos \u00e9 determinado por quatro fatores, e n\u00e3o por um. As recomenda\u00e7\u00f5es publicadas abaixo definem a escolha pela liga de fundi\u00e7\u00e3o e pelo n\u00famero de vazamentos que o molde precisa suportar.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Os quatro fatores que determinam o material do molde<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quatro fatores principais afetam a sele\u00e7\u00e3o de um material para um molde permanente ou um macho. S\u00e3o eles: a temperatura de vazamento do metal a ser fundido, o tamanho da pe\u00e7a fundida, o n\u00famero de pe\u00e7as por molde e o custo do material do molde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essas quatro vari\u00e1veis s\u00e3o a base para as tr\u00eas tabelas de sele\u00e7\u00e3o abaixo. As duas primeiras determinam qu\u00e3o quente o molde opera e quanto calor ele precisa dissipar, a terceira determina se a vida \u00fatil extra de um a\u00e7o ferramenta vale o custo, e a quarta decide entre ferro fundido cinzento, um a\u00e7o fundido de baixa liga e um a\u00e7o ferramenta fundido.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Materiais de molde recomendados por liga de fundi\u00e7\u00e3o e n\u00famero de vazamentos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A tabela abrange moldes para pe\u00e7as pequenas de at\u00e9 25 mm (1 in.) e para pe\u00e7as m\u00e9dias e grandes de at\u00e9 915 mm (36 in.). Cada linha \u00e9 uma liga de fundi\u00e7\u00e3o e cada coluna \u00e9 o n\u00famero de vazamentos que o molde precisa realizar, de modo que a mesma liga passa para um material diferente \u00e0 medida que o lote de produ\u00e7\u00e3o se alonga.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\" rowspan=\"2\">Liga de fundi\u00e7\u00e3o<\/th><th class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">N\u00famero de vazamentos<\/th><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">1,000<\/th><th class=\"has-text-align-left\" data-align=\"left\">10,000<\/th><th class=\"has-text-align-left\" data-align=\"left\">100,000<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"4\"><strong>Para pe\u00e7as pequenas (25 mm, ou 1 in., dimens\u00e3o m\u00e1xima)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Zinco<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; a\u00e7o 1020<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Alum\u00ednio, magn\u00e9sio<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento com insertos AISI H14; a\u00e7o 1020<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cobre<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido ligado<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(a)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(a)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Quantidade n\u00e3o vazada<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"4\"><strong>Para pe\u00e7as de tamanho m\u00e9dio e grande (at\u00e9 915 mm, ou 36 in., dimens\u00e3o m\u00e1xima)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Zinco<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; AISI H11<sup>(b)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; AISI H11<sup>(b)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; AISI H11<sup>(b)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Alum\u00ednio, magn\u00e9sio<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento; AISI H11 ou H14<sup>(c)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cobre<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido ligado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido ligado<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido ligado<sup>(d)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(a)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(a)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Quantidade n\u00e3o vazada<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Materiais de molde permanente recomendados, reproduzidos da Tabela 1 de Permanent Mold Casting, no ASM Handbook, Volume 15, Casting. Quando dois materiais s\u00e3o indicados em uma mesma c\u00e9lula, a fonte os lista sem ordem de prefer\u00eancia. (a) Mesma composi\u00e7\u00e3o do metal vazado. (b) AISI H11 \u00e9 usado quando se exige polimento em pe\u00e7as de tamanho m\u00e9dio. (c) Para pe\u00e7as de tamanho m\u00e9dio; os materiais recomendados para pe\u00e7as grandes s\u00e3o ferro fundido cinzento com insertos H11 ou a\u00e7o para matriz H11 maci\u00e7o. (d) Para pe\u00e7as de tamanho m\u00e9dio; pe\u00e7as grandes n\u00e3o s\u00e3o vazadas nessa quantidade.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que a tabela de moldes indica<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O ferro fundido cinzento \u00e9 o material de molde permanente mais comumente usado e, no bloco de pe\u00e7as pequenas, atende todas as ligas at\u00e9 100.000 vazamentos. O a\u00e7o ferramenta entra na tabela em dois pontos. Para pe\u00e7as pequenas de alum\u00ednio e magn\u00e9sio, a coluna de 100.000 vazamentos acrescenta insertos AISI H14 dentro do ferro fundido cinzento, e para pe\u00e7as pequenas de zinco o AISI H11 \u00e9 indicado quando \u00e9 necess\u00e1rio manter polimento em pe\u00e7as de tamanho m\u00e9dio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No bloco de pe\u00e7as m\u00e9dias e grandes o padr\u00e3o se repete com mais for\u00e7a. Pe\u00e7as grandes de alum\u00ednio e magn\u00e9sio exigem ferro fundido cinzento com insertos H11 ou um a\u00e7o para matriz H11 maci\u00e7o em 100.000 vazamentos, e pe\u00e7as de zinco usam ferro fundido cinzento com AISI H11 a partir de 1.000 vazamentos. O cobre \u00e9 a exce\u00e7\u00e3o, pois sua temperatura de vazamento mais alta direciona a sele\u00e7\u00e3o para ferro fundido ligado e nenhum a\u00e7o ferramenta \u00e9 indicado. Pe\u00e7as de ferro fundido cinzento s\u00e3o marcadas como n\u00e3o vazadas na coluna superior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um a\u00e7o carbono comum como o 1020 aparece nas colunas de baixa contagem. \u00c9 barato e adequado onde o molde n\u00e3o opera quente, e o passo para H11 ou H14 \u00e9 um avan\u00e7o em dureza a quente e em resist\u00eancia \u00e0 fissura\u00e7\u00e3o t\u00e9rmica. Esse passo s\u00f3 se justifica onde a contagem de vazamentos ou o acabamento superficial da pe\u00e7a o exigem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Materiais de macho recomendados<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os machos s\u00e3o recomendados separadamente, e a divis\u00e3o \u00e9 por tamanho do macho, e n\u00e3o por tamanho da pe\u00e7a fundida. Os materiais nessas duas tabelas s\u00e3o listados em ordem decrescente de prefer\u00eancia, de modo que o primeiro nome em uma c\u00e9lula \u00e9 a primeira escolha.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Liga de fundi\u00e7\u00e3o<\/th><th class=\"has-text-align-left\" data-align=\"left\">Materiais de macho recomendados<sup>(a)<\/sup><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Zinco<\/td><td class=\"has-text-align-left\" data-align=\"left\">Areia, gesso, ferro fundido cinzento, a\u00e7o 1020<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Alum\u00ednio, magn\u00e9sio<\/td><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o 1010 ou 1020, areia, gesso, a\u00e7o para matriz H11 ou equivalente<sup>(b)<\/sup>, carbono<sup>(c)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cobre<\/td><td class=\"has-text-align-left\" data-align=\"left\">Areia, a\u00e7o 1020, ferro fundido cinzento, gesso<sup>(d)<\/sup>, grafita<sup>(c)<\/sup><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">Areia, grafita, carbono, ferro fundido cinzento<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Materiais recomendados para machos pequenos, com di\u00e2metro inferior a 76 mm (3 in.) e comprimento de 255 mm (10 in.), reproduzidos da Tabela 2 de Permanent Mold Casting, no ASM Handbook, Volume 15, Casting. (a) Os materiais s\u00e3o listados em ordem decrescente de prefer\u00eancia. (b) Temperado a 42 a 45 HRC. (c) Para uso com relativamente poucos vazamentos. (d) Para fundi\u00e7\u00e3o de bronzes de alum\u00ednio.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\" rowspan=\"2\">Liga de fundi\u00e7\u00e3o<\/th><th class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">Material para o n\u00famero de vazamentos indicado<sup>(a)<\/sup><\/th><\/tr><tr><th class=\"has-text-align-left\" data-align=\"left\">1,000<\/th><th class=\"has-text-align-left\" data-align=\"left\">10,000<\/th><th class=\"has-text-align-left\" data-align=\"left\">100,000<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Zinco<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento, a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento, a\u00e7o 1020<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento, a\u00e7o 1020<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Alum\u00ednio, magn\u00e9sio<\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento, ferro fundido cinzento com insertos de a\u00e7o 1020<sup>(b)<\/sup>, areia, gesso<sup>(b)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(b)<\/sup>, ferro fundido cinzento com insertos 1020 ou H11<sup>(b)<\/sup>, areia, gesso<sup>(b)<\/sup><\/td><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<sup>(b)<\/sup>, ferro fundido cinzento com insertos H11<sup>(b)<\/sup>, a\u00e7o para matriz H11<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cobre<\/td><td class=\"has-text-align-left\" data-align=\"left\">Areia<\/td><td class=\"has-text-align-left\" data-align=\"left\">Areia<\/td><td class=\"has-text-align-left\" data-align=\"left\">Quantidade n\u00e3o vazada<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Materiais recomendados para machos grandes, com di\u00e2metro acima de 76 mm (3 in.) e 255 mm (10 in.) de comprimento, reproduzidos da Tabela 3 de Permanent Mold Casting, no ASM Handbook, Volume 15, Casting. (a) Os materiais est\u00e3o listados em ordem decrescente de prefer\u00eancia. (b) Exceto para aberturas com formas complexas, que exigem machos de areia perdidos.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O a\u00e7o para matrizes H11 indicado para machos pequenos de alum\u00ednio e magn\u00e9sio \u00e9 temperado a 42 a 45 HRC, e carbono e grafita s\u00e3o oferecidos apenas para relativamente poucos vazamentos. Para machos grandes, a passagem para o H11 ocorre em 10.000 vazamentos como insertos e em 100.000 vazamentos como insertos ou como matriz s\u00f3lida de a\u00e7o H11. A segunda nota de rodap\u00e9 dessa tabela mant\u00e9m machos de areia perdidos dispon\u00edveis para aberturas com formas complexas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Moldes e insertos fundidos na forma<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pe\u00e7as de molde podem ser fundidas na forma quando as pe\u00e7as a serem produzidas n\u00e3o s\u00e3o complicadas, e moldes fundidos servem para qualquer aplica\u00e7\u00e3o para a qual ferro fundido cinzento ou a\u00e7o para matrizes AISI H11 seja recomendado na tabela de machos. S\u00e3o usados com mais frequ\u00eancia quando os requisitos de produ\u00e7\u00e3o s\u00e3o grandes e quando os cronogramas de substitui\u00e7\u00e3o ou envio de moldes exigem v\u00e1rios moldes iguais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Insertos de cavidade total ou parcial s\u00e3o usados para obter maior vida \u00fatil do molde ou para simplificar a usinagem, o manuseio e a substitui\u00e7\u00e3o, e tamb\u00e9m podem conter ventila\u00e7\u00e3o, resfriar paredes finas ou aquecer parte da cavidade. Insertos de ferro fundido cinzento fundidos na forma para pe\u00e7as complexas de alum\u00ednio e magn\u00e9sio operam por 5.000 a 20.000 vazamentos, dependendo da complexidade da pe\u00e7a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Custo de usinagem versus custo de material<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Usinar a cavidade costuma ser um fator mais significativo no custo de um molde do que o custo do material do qual ele \u00e9 cortado. Tomando um molde de ferro fundido cinzento como 1,0, e com tratamento t\u00e9rmico inclu\u00eddo onde ele \u00e9 necess\u00e1rio, as propor\u00e7\u00f5es publicadas de custo de usinagem para moldes id\u00eanticos s\u00e3o as seguintes.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Material do molde<\/th><th class=\"has-text-align-left\" data-align=\"left\">Custo relativo de usinagem<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.0<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o de baixa liga fundido<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.44<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Ferro fundido cinzento com insertos de a\u00e7o para ferramentas<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.73<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">A\u00e7o para ferramentas fundido<\/td><td class=\"has-text-align-left\" data-align=\"left\">2.16<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Custo relativo de usinagem de moldes id\u00eanticos, reproduzido da se\u00e7\u00e3o de usinagem de Permanent Mold Casting, no ASM Handbook, Volume 15, Casting. O tratamento t\u00e9rmico est\u00e1 inclu\u00eddo onde \u00e9 necess\u00e1rio.<\/em><\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-3e4fb3d2 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;background-color:#f4f8ff;margin-bottom:24px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n<p class=\"wp-block-paragraph\"><strong>Materiais de moldes permanentes e machos, PDF para impress\u00e3o<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">As tr\u00eas tabelas de sele\u00e7\u00e3o publicadas para moldes permanentes e machos, com o custo relativo de usinagem de cada material de molde, em um \u00fanico PDF com nossos dados de contato.<\/p>\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/Aobo-Steel-Permanent-Mold-Core-Materials.pdf\">Baixar PDF<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Graus e estoque<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os a\u00e7os para ferramentas citados nessas tabelas s\u00e3o graus para trabalho a quente. O grau cromo para trabalho a quente de uso geral por tr\u00e1s dos moldes de zinco e dos machos de alum\u00ednio e magn\u00e9sio \u00e9 abordado em <a href=\"https:\/\/aobosteel.com\/pt\/h11-tool-steel\/\">a p\u00e1gina do a\u00e7o para ferramentas H11<\/a>. Onde o molde opera mais quente ou a produ\u00e7\u00e3o \u00e9 mais longa, o grau de maior liga \u00e9 apresentado em <a href=\"https:\/\/aobosteel.com\/pt\/h13-tool-steel\/\">a p\u00e1gina do a\u00e7o para ferramentas H13<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Machos e slides s\u00e3o frequentemente nitretados para resist\u00eancia ao desgaste, e <a href=\"https:\/\/aobosteel.com\/pt\/tool-steel-nitriding-guide\/\">o guia de nitreta\u00e7\u00e3o de a\u00e7o ferramenta<\/a> apresenta o processo e a profundidade de camada correspondente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A mesma sele\u00e7\u00e3o para fundi\u00e7\u00e3o sob press\u00e3o de c\u00e2mara fria est\u00e1 listada em <a href=\"https:\/\/aobosteel.com\/pt\/die-casting-die-component-materials\/\">a p\u00e1gina de materiais de componentes de matrizes de fundi\u00e7\u00e3o sob press\u00e3o<\/a>, que apresenta os materiais dos componentes e sua dureza. A lista mais ampla de tipos de ferramentas e os materiais normalmente usados para elas est\u00e1 em <a href=\"https:\/\/aobosteel.com\/pt\/tool-and-die-materials-by-tool-type\/\">a p\u00e1gina de materiais de ferramentas e matrizes por tipo de ferramenta<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Onde um molde permanente \u00e9 substitu\u00eddo por uma matriz de fundi\u00e7\u00e3o sob press\u00e3o, a sele\u00e7\u00e3o passa para <a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-high-pressure-die-casting-dies\/\">a p\u00e1gina de matrizes de fundi\u00e7\u00e3o sob press\u00e3o de alta press\u00e3o<\/a>. Machos e insertos para esse processo s\u00e3o abordados em <a href=\"https:\/\/aobosteel.com\/pt\/selection-of-tool-steel-for-die-casting-cores-and-inserts\/\">a p\u00e1gina de machos e insertos para fundi\u00e7\u00e3o sob press\u00e3o<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-3e4fb3d2 wp-block-group-is-layout-constrained\" style=\"border-radius:8px;background-color:#f4f8ff;margin-bottom:24px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n<p class=\"wp-block-paragraph\"><strong>Materiais de moldes permanentes e machos, PDF para impress\u00e3o<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">As tr\u00eas tabelas de sele\u00e7\u00e3o publicadas para moldes permanentes e machos, com o custo relativo de usinagem de cada material de molde, em um \u00fanico PDF com nossos dados de contato.<\/p>\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/Aobo-Steel-Permanent-Mold-Core-Materials.pdf\">Baixar PDF<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Antes de usar esses valores<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Esta p\u00e1gina \u00e9 um resumo de refer\u00eancia da pr\u00e1tica publicada e n\u00e3o \u00e9 uma especifica\u00e7\u00e3o da Aobo Steel. Os materiais s\u00e3o reproduzidos das tabelas de origem, e uma liga de fundi\u00e7\u00e3o diferente, uma contagem de vazamentos diferente ou um projeto de molde diferente alterar\u00e1 a escolha. A sele\u00e7\u00e3o final \u00e9 feita com base no desenho da pe\u00e7a fundida e na m\u00e1quina em que o molde opera.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fonte: ASM Handbook, Volume 15, Casting (9th Edition Metals Handbook), ASM International, 1988.<\/p>","protected":false},"excerpt":{"rendered":"<p>Permanent Mold and Core Materials for Gravity Die Casting Permanent mold casting, also called gravity die casting, pours metal into a reusable metal mold under gravity. The mold and its cores are the tooling, and what they are made from is settled by four things rather than by one. The published recommendations below set out [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":"","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":"default","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-21291","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Permanent Mold and Core Materials Selection Guide<\/title>\n<meta name=\"description\" content=\"Mold and core materials for permanent mold (gravity die) casting, by casting alloy and number of pours, with AISI H11 and H14 tool steel where used.\" \/>\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\/permanent-mold-and-core-materials\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Permanent Mold and Core Materials for Gravity Die Casting\" \/>\n<meta property=\"og:description\" content=\"Mold and core materials for permanent mold (gravity die) casting, by casting alloy and number of pours, with AISI H11 and H14 tool steel where used.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/pt\/permanent-mold-and-core-materials\/\" \/>\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=\"2026-10-16T08:21:03+00:00\" \/>\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=\"7 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Permanent Mold and Core Materials for Gravity Die Casting\",\"datePublished\":\"2026-10-08T00:18:03+00:00\",\"dateModified\":\"2026-10-16T08:21:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/\"},\"wordCount\":1522,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/\",\"name\":\"Permanent Mold and Core Materials Selection Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"datePublished\":\"2026-10-08T00:18:03+00:00\",\"dateModified\":\"2026-10-16T08:21:03+00:00\",\"description\":\"Mold and core materials for permanent mold (gravity die) casting, by casting alloy and number of pours, with AISI H11 and H14 tool steel where used.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/permanent-mold-and-core-materials\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Permanent Mold and Core Materials for Gravity Die Casting\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"name\":\"AoboSteel\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/aobosteel.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\",\"name\":\"AoboSteel\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"width\":1052,\"height\":592,\"caption\":\"AoboSteel\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\",\"name\":\"Evan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"caption\":\"Evan\"},\"sameAs\":[\"http:\\\/\\\/www.aobosteel.com\",\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.instagram.com\\\/aobosteel\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\",\"https:\\\/\\\/x.com\\\/AobosteelEvan\",\"https:\\\/\\\/www.youtube.com\\\/@aobosteel\"],\"url\":\"https:\\\/\\\/aobosteel.com\\\/pt\\\/blog\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Guia de sele\u00e7\u00e3o de materiais para moldes permanentes e machos","description":"Materiais de molde e macho para fundi\u00e7\u00e3o em molde permanente (coquilha por gravidade), por liga de fundi\u00e7\u00e3o e n\u00famero de vazamentos, com a\u00e7o ferramenta AISI H11 e H14 quando aplic\u00e1vel.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/pt\/permanent-mold-and-core-materials\/","og_locale":"pt_BR","og_type":"article","og_title":"Permanent Mold and Core Materials for Gravity Die Casting","og_description":"Mold and core materials for permanent mold (gravity die) casting, by casting alloy and number of pours, with AISI H11 and H14 tool steel where used.","og_url":"https:\/\/aobosteel.com\/pt\/permanent-mold-and-core-materials\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-10-16T08:21:03+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. tempo de leitura":"7 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"Permanent Mold and Core Materials for Gravity Die Casting","datePublished":"2026-10-08T00:18:03+00:00","dateModified":"2026-10-16T08:21:03+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/"},"wordCount":1522,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"inLanguage":"pt-BR"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/","url":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/","name":"Guia de sele\u00e7\u00e3o de materiais para moldes permanentes e machos","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"datePublished":"2026-10-08T00:18:03+00:00","dateModified":"2026-10-16T08:21:03+00:00","description":"Materiais de molde e macho para fundi\u00e7\u00e3o em molde permanente (coquilha por gravidade), por liga de fundi\u00e7\u00e3o e n\u00famero de vazamentos, com a\u00e7o ferramenta AISI H11 e H14 quando aplic\u00e1vel.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/permanent-mold-and-core-materials\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"Permanent Mold and Core Materials for Gravity Die Casting"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"AoboSteel","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"AoboSteel","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"Evan","image":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Permanent Mold and Core Materials for Gravity Die Casting Permanent mold casting, also called gravity die casting, pours metal into a reusable metal mold under gravity. The mold and its cores are the tooling, and what they are made from is settled by four things rather than by one. The published recommendations below set out&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Permanent Mold and Core Materials for Gravity Die Casting Permanent mold casting, also called gravity die casting, pours metal into a reusable metal mold under gravity. The mold and its cores are the tooling, and what they are made from is settled by four things rather than by one. The published recommendations below set out&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/21291","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=21291"}],"version-history":[{"count":3,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/21291\/revisions"}],"predecessor-version":[{"id":23216,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/21291\/revisions\/23216"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=21291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}