{"id":746,"date":"2023-03-09T13:31:39","date_gmt":"2023-03-09T13:31:39","guid":{"rendered":"https:\/\/waldunsteel.com\/?post_type=portfolio&#038;p=746"},"modified":"2023-11-13T02:43:46","modified_gmt":"2023-11-13T02:43:46","slug":"aco-t4","status":"publish","type":"portfolio","link":"https:\/\/waldunsteel.com\/pt\/products\/t4-steel\/","title":{"rendered":"T4 Steel | AISI T4 | 1,3255 | SKH3"},"content":{"rendered":"<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-n63ky-5b97f547f021f243c0fc856f069f7965\">\n.flex_column.av-n63ky-5b97f547f021f243c0fc856f069f7965{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-n63ky-5b97f547f021f243c0fc856f069f7965 av_two_third  avia-builder-el-0  el_before_av_one_third  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-km21xljf-94b8d30879877020af0f6028cc4d20f4'  ><div class='avia_textblock' ><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\">\n<div class=\"fusion-builder-row fusion-row\">\n<div class=\"fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-builder-column-0 fusion-one-full fusion-column-first fusion-column-last 1_1\">\n<div class=\"fusion-column-wrapper\" data-bg-url=\"\">\n<div class=\"fusion-text\">\n<h1 style=\"text-align: center;\">T4 Steel | AISI T4 | 1,3255 | SKH3<\/h1>\n<p><strong>WALDUN \u00e9 um dos principais fabricantes e fornecedores de a\u00e7o T4 da China. A WALDUN pode fornecer barra redonda, barra quadrada, barra plana, chapa, folha e arame. <\/strong>O a\u00e7o T4 \u00e9 um a\u00e7o para ferramentas de alta velocidade do tipo tungst\u00eanio de acordo com o padr\u00e3o ASTM \/ A600. Comparado com o a\u00e7o T1, a composi\u00e7\u00e3o \u00e9 muito semelhante, mas o a\u00e7o T4 tem 5% cobalto adicional que melhora a dureza em altas temperaturas e a dureza vermelha. O a\u00e7o T4 pode ser endurecido com dureza 66-70HRC.<\/p>\n<\/div>\n<div class=\"fusion-clearfix\"><img decoding=\"async\" class=\"aligncenter wp-image-748 size-full\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/T4-high-speed-steel.jpg\" alt=\"A\u00e7o r\u00e1pido T4\" width=\"650\" height=\"487\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/T4-high-speed-steel.jpg 650w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2021\/03\/T4-high-speed-steel-300x225.jpg 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\">\n<div class=\"fusion-builder-row fusion-row\">\n<div class=\"fusion-layout-column fusion_builder_column fusion_builder_column_1_1 fusion-builder-column-1 fusion-one-full fusion-column-first fusion-column-last 1_1\">\n<div class=\"fusion-column-wrapper\" data-bg-url=\"\">\n<div class=\"fusion-text\">\n<h2><strong>Forma, tamanho e toler\u00e2ncia de fornecimento de a\u00e7o T4<\/strong><\/h2>\n<table id=\"tablepress-23\" class=\"tablepress tablepress-id-23\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n<td class=\"column-1\" colspan=\"5\">Rodada do bar<\/td>\n<\/tr>\n<tr class=\"row-2\">\n<td class=\"column-1\">Di\u00e2metro<\/td>\n<td class=\"column-2\">1-16mm<\/td>\n<td class=\"column-3\">10-50mm<\/td>\n<td class=\"column-4\">50-180 mm<\/td>\n<td class=\"column-5\">180-300mm<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\">Processar<\/td>\n<td class=\"column-2\">Desenho frio<\/td>\n<td class=\"column-3\">Laminados a quente<\/td>\n<td class=\"column-4\">Forjado a Quente<\/td>\n<td class=\"column-5\">Forjamento Livre<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\" colspan=\"5\">Barra plana<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-1\">Espessura<\/td>\n<td class=\"column-2\">1-2,5 mm<\/td>\n<td class=\"column-3\">1,5-20mm<\/td>\n<td class=\"column-4\">20-300mm<\/td>\n<td class=\"column-5\"><\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Largura<\/td>\n<td class=\"column-2\">800 mm m\u00e1x.<\/td>\n<td class=\"column-3\">800 mm m\u00e1x.<\/td>\n<td class=\"column-4\">800 mm m\u00e1x.<\/td>\n<td class=\"column-5\"><\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-1\">Processar<\/td>\n<td class=\"column-2\">Desenho frio<\/td>\n<td class=\"column-3\">Laminados a quente<\/td>\n<td class=\"column-4\">Forjado a Quente<\/td>\n<td class=\"column-5\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Observa\u00e7\u00e3o: a toler\u00e2ncia pode ser personalizada de acordo com as solicita\u00e7\u00f5es<\/p>\n<h2><strong>Composi\u00e7\u00e3o Qu\u00edmica do A\u00e7o T4<\/strong><\/h2>\n<table id=\"tablepress-44\" class=\"tablepress tablepress-id-44\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n<td class=\"column-1\">Padr\u00e3o<\/td>\n<td class=\"column-2\">Grau<\/td>\n<td class=\"column-3\">C<\/td>\n<td class=\"column-4\">Mn<\/td>\n<td class=\"column-5\">P<\/td>\n<td class=\"column-6\">S<\/td>\n<td class=\"column-7\">Si<\/td>\n<td class=\"column-8\">Cr<\/td>\n<td class=\"column-9\">V<\/td>\n<td class=\"column-10\">Mo<\/td>\n<td class=\"column-11\">C<\/td>\n<td class=\"column-12\">Co<\/td>\n<\/tr>\n<tr class=\"row-2\">\n<td class=\"column-1\">ASTM A600<\/td>\n<td class=\"column-2\">T4<\/td>\n<td class=\"column-3\">0,70-0,80<\/td>\n<td class=\"column-4\">0,1-0,4<\/td>\n<td class=\"column-5\">0.03<\/td>\n<td class=\"column-6\">0.03<\/td>\n<td class=\"column-7\">0,2-0,4<\/td>\n<td class=\"column-8\">3,75-4,5<\/td>\n<td class=\"column-9\">0,8-1,2<\/td>\n<td class=\"column-10\">0,4-1,0<\/td>\n<td class=\"column-11\">17,5-19,0<\/td>\n<td class=\"column-12\">4,25-5,75<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\">DIN EN ISO 4957<\/td>\n<td class=\"column-2\">1.3255<\/td>\n<td class=\"column-3\">0,75-0,83<\/td>\n<td class=\"column-4\">0.4<\/td>\n<td class=\"column-5\">0.03<\/td>\n<td class=\"column-6\">0.03<\/td>\n<td class=\"column-7\">0.45<\/td>\n<td class=\"column-8\">3,80-4,5<\/td>\n<td class=\"column-9\">0,8-1,2<\/td>\n<td class=\"column-10\">0,5-0,8<\/td>\n<td class=\"column-11\">17,5-18,5<\/td>\n<td class=\"column-12\">4,50-5,50<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\">JIS G4403<\/td>\n<td class=\"column-2\">SKH3<\/td>\n<td class=\"column-3\">0,73-0,83<\/td>\n<td class=\"column-4\">0.4<\/td>\n<td class=\"column-5\">0.03<\/td>\n<td class=\"column-6\">0.03<\/td>\n<td class=\"column-7\">0.45<\/td>\n<td class=\"column-8\">3,80-4,5<\/td>\n<td class=\"column-9\">0,8-1,2<\/td>\n<td class=\"column-10\">-<\/td>\n<td class=\"column-11\">17,0-19,0<\/td>\n<td class=\"column-12\">4,50-5,50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>Propriedade F\u00edsica do A\u00e7o T4<\/strong><\/h2>\n<table id=\"tablepress-45\" class=\"tablepress tablepress-id-45\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n<td class=\"column-1\">Densidade, g \/ cm3<\/td>\n<td class=\"column-2\">8.68<\/td>\n<\/tr>\n<tr class=\"row-2\">\n<td class=\"column-1\">Ponto de fus\u00e3o, \u00b0 C<\/td>\n<td class=\"column-2\">1432<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\">Condutividade t\u00e9rmica, W \/ mK<\/td>\n<td class=\"column-2\">19<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\">Resistividade el\u00e9trica, Ohm mm2 \/ m<\/td>\n<td class=\"column-2\">0.65<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-1\">Capacidade de calor espec\u00edfico, J \/ gK<\/td>\n<td class=\"column-2\">0.46<\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Coeficiente de expans\u00e3o t\u00e9rmica, \u00b5m \/ m \u00b0 C<\/td>\n<td class=\"column-2\">11.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>Propriedade Mec\u00e2nica do A\u00e7o T4<\/strong><\/h2>\n<table id=\"tablepress-46\" class=\"tablepress tablepress-id-46\">\n<tbody class=\"row-hover\">\n<tr class=\"row-1\">\n<td class=\"column-1\">M\u00f3dulos de elasticidade<\/td>\n<td class=\"column-2\">190-210 GPa<\/td>\n<\/tr>\n<tr class=\"row-2\">\n<td class=\"column-1\">Coeficiente de Poisson<\/td>\n<td class=\"column-2\">0,27-0,30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>Forjamento de a\u00e7o T4<\/strong><\/h2>\n<p>Pr\u00e9-aque\u00e7a o AISI T4 com duas etapas. Primeiro, aque\u00e7a lenta e uniformemente a 860-900 \u00b0 C com uma taxa n\u00e3o superior a 220 \u00b0 C por hora, segundo, aque\u00e7a mais rapidamente at\u00e9 a temperatura de forjamento de 1050-1150 \u00b0 C. o aquecimento \u00e9 necess\u00e1rio quando a temperatura \u00e9 inferior a 900 \u00b0 C. Resfriamento lento no forno ap\u00f3s o forjamento.<\/p>\n<h2><strong>Recozimento de A\u00e7o T4<\/strong><\/h2>\n<p>O recozimento deve ser realizado ap\u00f3s o trabalho a quente e antes do re-endurecimento. Aque\u00e7a a temperatura de 820 a 850 \u00b0 C com uma taxa n\u00e3o superior a 220 \u00b0 C por hora. Resfriamento lento controlado em forno de 10 a 20 \u00b0 C por hora at\u00e9 aproximadamente 550 \u00b0 C, seguido de resfriamento ao ar parado. Dureza ap\u00f3s recozimento 265 Brinell, m\u00e1ximo.<\/p>\n<h2><strong>Al\u00edvio de Tens\u00e3o de A\u00e7o T4<\/strong><\/h2>\n<p>Recomenda-se o al\u00edvio de tens\u00f5es ap\u00f3s a usinagem e antes do endurecimento para minimizar a possibilidade de distor\u00e7\u00e3o. Aquecer em atmosfera neutra \u00e0 temperatura de 600 a 650 \u00b0 C, e deixar de molho por aproximadamente duas horas, seguido de resfriamento lento no forno.<\/p>\n<h2><strong>Endurecimento de a\u00e7o T4<\/strong><\/h2>\n<p>Pr\u00e9-aque\u00e7a o a\u00e7o AISI T4 lentamente at\u00e9 a temperatura de 820-870 \u00b0 C e, em seguida, aque\u00e7a T4 uniformemente at\u00e9 a temperatura 1260-1290<sup>o<\/sup>C, seguido por \u00f3leo, extin\u00e7\u00e3o de ar ou banho quente a 550<sup>o<\/sup>C.<\/p>\n<h2><strong>T4 Temperamento de A\u00e7o<\/strong><\/h2>\n<p>A t\u00eampera deve ser realizada imediatamente ap\u00f3s a t\u00eampera. Aque\u00e7a lenta e uniformemente at\u00e9 a temperatura de t\u00eampera 560-580<sup>o<\/sup>C, deixe de molho por n\u00e3o menos de 2 horas (uma hora por 25 mm de espessura total). Recomenda-se um revenido duplo, a dureza ap\u00f3s o revenido \u00e9 de 64-65 HRC.<\/p>\n<h2><strong>Aplica\u00e7\u00e3o de a\u00e7o T4<\/strong><\/h2>\n<p>O a\u00e7o r\u00e1pido AISI T4 \u00e9 amplamente utilizado para fazer v\u00e1rias ferramentas de corte de alta temperatura.<\/p>\n<p>O uso t\u00edpico inclui: ferramenta de torneamento, fresa, escareador, ferramentas de corte de conforma\u00e7\u00e3o, ferramentas de perfura\u00e7\u00e3o, broches e pun\u00e7\u00f5es de extrus\u00e3o a frio, fresas para aplainamento e fresamento para trabalho de desbaste.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gr04y-41c01b2f69986890b9aead591e4cbcaa\">\n.flex_column.av-gr04y-41c01b2f69986890b9aead591e4cbcaa{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-gr04y-41c01b2f69986890b9aead591e4cbcaa av_one_third  avia-builder-el-2  el_after_av_two_third  avia-builder-el-last  flex_column_div av-zero-column-padding'     ><p><section  class='av_textblock_section av-km21r93a-46345539f49e6ff7f1757bab18820811'  ><div class='avia_textblock' >\n<\/div><\/section><br \/>\n<div  class='avia-builder-widget-area clearfix  avia-builder-el-4  el_after_av_textblock  avia-builder-el-last'><section id=\"portfoliobox-2\" class=\"widget clearfix avia-widget-container newsbox\"><h3 class=\"widgettitle\">Produtos Mais recentes<\/h3><ul class=\"news-wrap image_size_widget\"><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb' title=\"Leia: A\u00e7o 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/pt\/products\/60crmov18-5-steel\/\"><img decoding=\"async\" fetchpriority=\"high\" width=\"36\" height=\"36\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg\" class=\"wp-image-2212 avia-img-lazy-loading-not-2212 attachment-widget size-widget wp-post-image\" alt=\"1.2358\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-36x36.jpg 36w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-300x300.jpg 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-80x80.jpg 80w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-12x12.jpg 12w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-180x180.jpg 180w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358-705x705.jpg 705w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2024\/01\/1.2358.jpg 750w\" sizes=\"(max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Leia: A\u00e7o 60CrMoV18-5\" href=\"https:\/\/waldunsteel.com\/pt\/products\/60crmov18-5-steel\/\">A\u00e7o 60CrMoV18-5<\/a><span class=\"news-time\">11 de janeiro de 2024 - 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9h30<\/span><\/div><\/div><\/li><\/ul><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-3\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">ENTRE EM CONTATO COM A WALDUN STEEL<\/h3>\t\t\t<div class=\"textwidget\"><p><strong>M\u00f3vel: <\/strong><\/p>\n<p>+8618652469606<\/p>\n<p><strong>O email: <\/strong><\/p>\n<p>iguhongtao@gmail.com<\/p>\n<\/div>\n\t\t<span class=\"seperator extralight-border\"><\/span><\/section><section id=\"media_image-2\" class=\"widget clearfix widget_media_image\"><img decoding=\"async\" width=\"300\" height=\"158\" src=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png\" class=\"image wp-image-1937  attachment-full size-full\" alt=\"waldun a\u00e7o iso 9001 logo 300x158\" style=\"max-width: 100%; height: auto;\" srcset=\"https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1.png 300w, https:\/\/waldunsteel.com\/wp-content\/uploads\/2022\/05\/Waldun-Steel-ISO-9001-Logo-300x158-1-18x9.png 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><span class=\"seperator extralight-border\"><\/span><\/section><\/div><\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":748,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[26],"class_list":["post-746","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-hss"],"_links":{"self":[{"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/portfolio\/746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/portfolio"}],"about":[{"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/types\/portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/comments?post=746"}],"version-history":[{"count":0,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/portfolio\/746\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/media\/748"}],"wp:attachment":[{"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/media?parent=746"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/tags?post=746"},{"taxonomy":"portfolio_entries","embeddable":true,"href":"https:\/\/waldunsteel.com\/pt\/wp-json\/wp\/v2\/portfolio_entries?post=746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}