{"id":19747,"date":"2026-09-25T04:07:21","date_gmt":"2026-09-24T20:07:21","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=19747"},"modified":"2026-10-15T23:56:50","modified_gmt":"2026-10-15T15:56:50","slug":"tungsten-high-speed-steel-tempering-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tungsten-high-speed-steel-tempering-chart\/","title":{"rendered":"Gr\u00e1fico de revenimento dos a\u00e7os r\u00e1pidos ao tungst\u00eanio T1, T5 e T15"},"content":{"rendered":"

Gr\u00e1fico de revenimento dos a\u00e7os r\u00e1pidos ao tungst\u00eanio T1, T5 e T15<\/h1>\n\n\n\n

A dureza que cada temperatura de revenimento deixa nos tr\u00eas a\u00e7os r\u00e1pidos ao tungst\u00eanio T1, T5 e T15, com a janela de t\u00eampera e o meio de t\u00eampera correspondentes, conforme publicado pela fonte. Um resumo de refer\u00eancia da pr\u00e1tica publicada e n\u00e3o uma especifica\u00e7\u00e3o da Aobo Steel.<\/p>\n\n\n\n

Os tr\u00eas graus ao tungst\u00eanio<\/h2>\n\n\n\n

A s\u00e9rie T \u00e9 o ramo do tungst\u00eanio do a\u00e7os r\u00e1pidos<\/a>. O T1 cont\u00e9m 18% de tungst\u00eanio e nenhum cobalto, o T5 mant\u00e9m o tungst\u00eanio e adiciona 8% de cobalto, e o T15 troca tungst\u00eanio por van\u00e1dio e cobalto. A fonte descreve o T1 como o primeiro dos graus de tungst\u00eanio, com boa tenacidade e resist\u00eancia ao calor, o T5 como um a\u00e7o ao tungst\u00eanio resistente ao desgaste excepcional, com resist\u00eancia ao desgaste superior ao M42, mas n\u00e3o prontamente dispon\u00edvel em todos os tamanhos no mercado, e o T15 como uma combina\u00e7\u00e3o de tungst\u00eanio, cobalto, alto carbono e van\u00e1dio que proporciona resist\u00eancia m\u00e1xima ao desgaste.<\/p>\n\n\n\n

A forma da curva \u00e9 o ponto do grupo. A dureza se mant\u00e9m dentro de dois pontos do valor ap\u00f3s a t\u00eampera at\u00e9 1050 \u00b0F (565 \u00b0C), atinge o pico entre 950 e 1000 \u00b0F (de 510 a 540 \u00b0C) e depois cai \u00e0 medida que o revenimento aumenta. Esse pico \u00e9 o endurecimento secund\u00e1rio pelo qual o grupo \u00e9 comprado, e \u00e9 onde a fonte marca o revenimento \u00f3timo para todos os tr\u00eas graus.<\/p>\n\n\n\n

Gr\u00e1fico de revenimento para T1, T5 e T15<\/h2>\n\n\n\n

Dureza deixada por cada temperatura de revenimento<\/h3>\n\n\n\n
Revenimento, \u00b0F<\/th>\u00b0C<\/th>T1, HRC<\/th>T5, HRC<\/th>T15, HRC<\/th><\/tr><\/thead>
Ap\u00f3s a t\u00eampera<\/td>Sem revenimento<\/td>65<\/td>65<\/td>65<\/td><\/tr>
900<\/td>480<\/td>66<\/td>67<\/td>67<\/td><\/tr>
950<\/td>510<\/td>68<\/td>67<\/td>67<\/td><\/tr>
1000<\/td>540<\/td>67<\/td>66<\/td>67<\/td><\/tr>
1050<\/td>565<\/td>66<\/td>66<\/td>66<\/td><\/tr>
1100<\/td>595<\/td>62<\/td>64<\/td>64<\/td><\/tr>
1150<\/td>620<\/td>58<\/td>60<\/td>60<\/td><\/tr>
1200<\/td>650<\/td>52<\/td>56<\/td>56<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fonte, informa\u00e7\u00f5es de refer\u00eancia de tratamento t\u00e9rmico para T1, T5 e T15, p\u00e1ginas impressas 197 e 198.<\/em><\/p>\n\n\n\n

A fonte imprime a linha de 1150 \u00b0F para o T15 como 1150F\/620\u00b0C, sem o s\u00edmbolo de grau. A linha \u00e9 mostrada aqui como publicada e a temperatura \u00e9 a que as linhas ao redor fornecem.<\/em><\/p>\n\n\n\n

O cap\u00edtulo de sele\u00e7\u00e3o da mesma fonte imprime um segundo conjunto de revenimento para esses graus em uma base diferente e marca 1000 \u00b0F (540 \u00b0C) como o revenimento \u00f3timo para todos os tr\u00eas, dando T1 a 64 HRC, T5 a 64 HRC e T15 a 67 HRC nessa temperatura. Esse conjunto vai de 900 \u00b0F (480 \u00b0C) e termina em 1200 \u00b0F (650 \u00b0C) para o T1 e em 1150 \u00b0F (620 \u00b0C) para o T5 e o T15.<\/em><\/p>\n\n\n\n

Acima do pico, a troca \u00e9 dureza por tenacidade. A orienta\u00e7\u00e3o que a fonte d\u00e1 para a fam\u00edlia \u00e9 n\u00e3o levar um grau a uma temperatura mais alta em busca de tenacidade, porque a resist\u00eancia ao desgaste vai junto, mas mudar para um grau que absorva o choque em seu pr\u00f3prio revenimento \u00f3timo. Um pun\u00e7\u00e3o que continua fraturando \u00e9 um problema de sele\u00e7\u00e3o de a\u00e7o antes de ser um problema de revenimento.<\/p>\n\n\n\n

T\u00eampera dos graus ao tungst\u00eanio<\/h2>\n\n\n\n

Pr\u00e9-aquecimento, temperatura de austenitiza\u00e7\u00e3o e t\u00eampera<\/h3>\n\n\n\n
Etapa<\/th>T1<\/th>T5<\/th>T15<\/th><\/tr><\/thead>
Pr\u00e9-aquecimento<\/td>1500 \u00b0F (815 \u00b0C)<\/td>1500 \u00b0F (815 \u00b0C)<\/td>1500 \u00b0F (815 \u00b0C)<\/td><\/tr>
Austenizar<\/td>2250 \u00b0F (1230 \u00b0C)<\/td>2350 \u00b0F (1290 \u00b0C)<\/td>2250 \u00b0F (1230 \u00b0C)<\/td><\/tr>
Meio de t\u00eampera<\/td>\u00d3leo ou sal<\/td>\u00d3leo ou sal<\/td>\u00d3leo ou sal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fonte, informa\u00e7\u00f5es de refer\u00eancia de tratamento t\u00e9rmico para T1, T5 e T15, p\u00e1ginas impressas 197 e 198.<\/em><\/p>\n\n\n\n

A se\u00e7\u00e3o de refer\u00eancia fornece um pr\u00e9-aquecimento e uma temperatura de austenitiza\u00e7\u00e3o para cada grau e \u00f3leo ou sal como meio de t\u00eampera. O T5 \u00e9 o \u00fanico dos tr\u00eas graus que \u00e9 austenitizado 100 \u00b0F (55 \u00b0C) acima dos outros dois.<\/em><\/p>\n\n\n\n

O bloco de refer\u00eancia que cont\u00e9m a tabela de revenimento tamb\u00e9m fornece a janela de t\u00eampera. Todos os tr\u00eas graus s\u00e3o pr\u00e9-aquecidos a 1500 \u00b0F (815 \u00b0C). O T1 e o T15 austenitizam a 2250 \u00b0F (1230 \u00b0C) e o T5 a 2350 \u00b0F (1290 \u00b0C), e todos os tr\u00eas s\u00e3o temperados em \u00f3leo ou em banho de sal. O grupo de alta velocidade<\/a> \u00e9 o que mais necessita de uma eleva\u00e7\u00e3o r\u00e1pida da temperatura de pr\u00e9-aquecimento para a temperatura de austenitiza\u00e7\u00e3o, raz\u00e3o pela qual a fonte recomenda um segundo forno ou um banho de sal para ele, e o revenimento segue assim que a pe\u00e7a estiver suficientemente fria para ser manuseada.<\/p>\n\n\n\n

Composi\u00e7\u00e3o qu\u00edmica dos tr\u00eas graus<\/h2>\n\n\n\n

Teor de carbono e de elementos de liga, em porcentagem<\/h3>\n\n\n\n
Grau<\/th>C<\/th>Mn<\/th>Si<\/th>Cr<\/th>Mo<\/th>V<\/th>W<\/th>Co<\/th><\/tr><\/thead>
T1<\/td>0.75<\/td>0.30<\/td>0.30<\/td>4.00<\/td>0.70<\/td>1.00<\/td>18.00<\/td>—<\/td><\/tr>
T5<\/td>0.80<\/td>0.30<\/td>0.30<\/td>4.00<\/td>0.80<\/td>2.00<\/td>18.00<\/td>8.00<\/td><\/tr>
T15<\/td>1.50<\/td>0.30<\/td>0.30<\/td>4.00<\/td>0.50<\/td>5.00<\/td>12.00<\/td>5.00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Fonte, informa\u00e7\u00f5es de refer\u00eancia de tratamento t\u00e9rmico para T1, T5 e T15, p\u00e1ginas impressas 197 e 198.<\/em><\/p>\n\n\n\n

As tr\u00eas linhas s\u00e3o impressas como valores \u00fanicos na se\u00e7\u00e3o de refer\u00eancia, n\u00e3o como as faixas de especifica\u00e7\u00e3o. As faixas para os mesmos tr\u00eas graus est\u00e3o no gr\u00e1fico de composi\u00e7\u00e3o de a\u00e7os para ferramentas.<\/em><\/p>\n\n\n\n

O T1 cont\u00e9m 0,75% de carbono, 4,00% de cromo, 1,00% de van\u00e1dio e 18,00% de tungst\u00eanio. O T5 cont\u00e9m 0,80% de carbono, 2,00% de van\u00e1dio, 18,00% de tungst\u00eanio e 8,00% de cobalto. O T15 cont\u00e9m 1,50% de carbono, 5,00% de van\u00e1dio, 12,00% de tungst\u00eanio e 5,00% de cobalto. Mangan\u00eas e sil\u00edcio est\u00e3o em 0,30% nos tr\u00eas e a linha de cobalto est\u00e1 vazia para o T1. As tr\u00eas linhas s\u00e3o impressas como valores \u00fanicos na fonte, n\u00e3o como as faixas de especifica\u00e7\u00e3o publicadas para esses graus.<\/p>\n\n\n\n

\n

Gr\u00e1fico de revenimento do a\u00e7o r\u00e1pido ao tungst\u00eanio, PDF para impress\u00e3o<\/strong><\/p>\n\n

A resposta ao revenimento, a janela de t\u00eampera e a composi\u00e7\u00e3o qu\u00edmica do T1, T5 e T15 desta p\u00e1gina em um PDF, com nossos dados de contato.<\/p>\n\n

\n
Baixar PDF, 389 KB<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

Dados de refer\u00eancia relacionados<\/h2>\n\n\n\n

As faixas de revenimento para toda a gama de graus est\u00e3o na Tabela de revenimento de a\u00e7o para ferramentas<\/a>, e as faixas de austenitiza\u00e7\u00e3o e revenimento juntas est\u00e3o na tabela de t\u00eampera e revenimento de a\u00e7o para ferramentas<\/a>. As faixas de especifica\u00e7\u00e3o e os n\u00fameros UNS dos tr\u00eas graus est\u00e3o na Tabela de composi\u00e7\u00e3o de a\u00e7os para ferramentas<\/a>, a pr\u00e1tica de revenimento duplo e triplo para o grupo est\u00e1 no Tratamento t\u00e9rmico de a\u00e7o para ferramentas M2<\/a> guide, soak rates by section<\/a> are on the Tabela de Tempo de Perman\u00eancia para A\u00e7o Ferramenta<\/a>, e os \u00edndices de usinabilidade para T1 e T15 est\u00e3o na Tabela de classifica\u00e7\u00e3o de usinabilidade do a\u00e7o ferramenta<\/a>.<\/p>\n\n\n\n

Dados de refer\u00eancia compilados de Heat Treatment, Selection, and Application of Tool Steels (William E. Bryson, segunda edi\u00e7\u00e3o, Hanser). A composi\u00e7\u00e3o qu\u00edmica, a janela de t\u00eampera e a tabela de revenimento para T1, T5 e T15 v\u00eam das informa\u00e7\u00f5es de refer\u00eancia de tratamento t\u00e9rmico nas p\u00e1ginas impressas 197 e 198, e as notas dos graus v\u00eam do cap\u00edtulo de sele\u00e7\u00e3o de a\u00e7os para ferramentas nas p\u00e1ginas impressas 158, 161 e 162.<\/p>","protected":false},"excerpt":{"rendered":"

T1, T5 and T15 Tungsten High Speed Steel Tempering Chart The hardness each tempering temperature leaves on the three tungsten high speed steels T1, T5 and T15, with the hardening window and the quench medium that go with them, set out as the source publishes it. A reference summary of published practice and not an […]<\/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-19747","page","type-page","status-publish","hentry"],"yoast_head":"\nT1, T5, T15 Tungsten High Speed Steel Tempering Chart<\/title>\n<meta name=\"description\" content=\"Tempering chart for T1, T5 and T15 tungsten high speed steel. 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