{"id":20006,"date":"2024-12-23T09:22:00","date_gmt":"2024-12-23T01:22:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20006"},"modified":"2024-12-23T15:39:09","modified_gmt":"2024-12-23T07:39:09","slug":"hardness-2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/h13\/properties\/hardness\/","title":{"rendered":"\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13: D\u1eef li\u1ec7u v\u00e0 c\u00e1c y\u1ebfu t\u1ed1"},"content":{"rendered":"<p>L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t, SteelPRO Group cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 H13 \u1edf tr\u1ea1ng th\u00e1i \u1ee7 (c\u00f3 th\u1ec3 gia c\u00f4ng), c\u00f3 s\u1eb5n \u1edf d\u1ea1ng t\u1ea5m, thanh v\u00e0 que. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 t\u00f4i v\u00e0 ram cho nh\u1eefng ng\u01b0\u1eddi y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng cao h\u01a1n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3.\u00a0<\/p><h2 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13<\/h2><p>Sau khi x\u1eed l\u00fd nhi\u1ec7t th\u00edch h\u1ee3p, ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13 n\u1eb1m trong kho\u1ea3ng <strong>45-52 HRC<\/strong>. D\u00f2ng s\u1ea3n ph\u1ea9m n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 cao, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00fac khu\u00f4n v\u00e0 gia c\u00f4ng n\u00f3ng.<\/p><p>Sau \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a H13 \u1edf c\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c nhau:<\/p><p><strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u<\/strong>: Th\u00e9p c\u00f4ng c\u1ee5 H13 b\u1eaft \u0111\u1ea7u \u1edf kho\u1ea3ng <strong>30-35HRC<\/strong>.<strong> <\/strong>\u0110\u00e2y l\u00e0 \u0111\u1ed9 c\u1ee9ng c\u01a1 b\u1ea3n tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng b\u1ea5t k\u1ef3 x\u1eed l\u00fd nhi\u1ec7t n\u00e0o.<\/p><p><strong>Sau khi d\u1eadp t\u1eaft<\/strong>: Sau khi H13 \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i, \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 th\u01b0\u1eddng t\u0103ng l\u00ean <strong>45-50HRC<\/strong>. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch n\u00e2ng th\u00e9p l\u00ean nhi\u1ec7t \u0111\u1ed9 cao r\u1ed3i l\u00e0m ngu\u1ed9i nhanh \u0111\u1ec3 gi\u1eef nguy\u00ean \u0111\u1ed9 c\u1ee9ng v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/p><p><strong>Sau khi t\u00f4i luy\u1ec7n<\/strong>: Sau khi t\u00f4i luy\u1ec7n, \u0111\u1ed9 c\u1ee9ng dao \u0111\u1ed9ng trong kho\u1ea3ng <strong>47-52 HRC<\/strong>. Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n gi\u00fap t\u0103ng \u0111\u1ed9 d\u1ebbo dai trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao, gi\u00fap s\u1ea3n ph\u1ea9m tr\u1edf n\u00ean ho\u00e0n h\u1ea3o cho nh\u1eefng c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p><h2 class=\"wp-block-heading\">C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p H13<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 H13 ch\u1ee9a m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 <strong>crom<\/strong>, <strong>molypden<\/strong>, V\u00e0 <strong>vanadi<\/strong>, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3. Crom c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng, molypden t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 vanadi gi\u00fap h\u00ecnh th\u00e0nh cacbua l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.&nbsp;<\/p><p>Nh\u00ecn chung, c\u00e0ng c\u00f3 nhi\u1ec1u c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim n\u00e0y th\u00ec \u0111\u1ed9 c\u1ee9ng ti\u1ec1m n\u0103ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13 c\u00e0ng cao.<\/p><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p H13<\/h2><p>Sau \u0111\u00e2y l\u00e0 b\u1ea3n t\u00f3m t\u1eaft v\u1ec1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13 \u1edf c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd nhi\u1ec7t kh\u00e1c nhau.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u0110\u1ed9 c\u1ee9ng (HRC)<\/strong><\/td><td><strong>L\u00e0m ngu\u1ed9i<\/strong><\/td><td><strong>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n<\/strong><\/td><\/tr><tr><td>28 &#8211; 30<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>705\u00b0C (1300\u00b0F)<\/td><\/tr><tr><td>31 &#8211; 33<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>675\u00b0C (1250\u00b0F)<\/td><\/tr><tr><td>39 &#8211; 41<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>650\u00b0C (1200\u00b0F)<\/td><\/tr><tr><td>45 &#8211; 47<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>620\u00b0C (1150\u00b0F)<\/td><\/tr><tr><td>49 &#8211; 51<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>595\u00b0C (1100\u00b0F)<\/td><\/tr><tr><td>51 &#8211; 53<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>565\u00b0C (1050\u00b0F)<\/td><\/tr><tr><td rowspan=\"2\">51 &#8211; 53<\/td><td>B\u1eb1ng kh\u00f4ng kh\u00ed t\u1eeb 1025\u00b0C (1875\u00b0F) ho\u1eb7c b\u1eb1ng d\u1ea7u t\u1eeb 1010\u00b0C (1850\u00b0F).<\/td><td>Kh\u00f4ng c\u00f3 t\u00ednh n\u00f3ng n\u1ea3y<\/td><\/tr><tr><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>1 gi\u1edd \u1edf 315\u00b0C (600\u00b0F), 425\u00b0C (800\u00b0F) v\u00e0 480\u00b0C (900\u00b0F)<\/td><\/tr><tr><td>52 &#8211; 54<\/td><td>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u<\/td><td>510\u00b0C (950\u00b0F) v\u00e0 540\u00b0C (1000\u00b0F)<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><ul class=\"wp-block-list\"><li>L\u00e0m ngu\u1ed9i nhanh trong d\u1ea7u ho\u1eb7c n\u01b0\u1edbc t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac martensitic c\u1ee9ng, d\u1eabn \u0111\u1ebfn <strong>th\u00e9p c\u1ee9ng h\u01a1n<\/strong> (xung quanh <strong>45-50HRC<\/strong>). Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m th\u00e9p gi\u00f2n h\u01a1n, v\u00ec v\u1eady, ph\u1ea3i x\u1eed l\u00fd m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng.<\/li>\n\n<li>L\u00e0m ngu\u1ed9i ch\u1eadm h\u01a1n, gi\u1ed1ng nh\u01b0 l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed, kh\u00f4ng t\u1ea1o ra \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng t\u1ef1. Th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i theo c\u00e1ch n\u00e0y th\u01b0\u1eddng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng <strong>30-35HRC<\/strong>, c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n k\u00e9m h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><ul class=\"wp-block-list\"><li>\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n cao h\u01a1n v\u00ec n\u00f3 bi\u1ebfn \u0111\u1ed5i martensit gi\u00f2n th\u00e0nh <strong>martensit t\u00f4i luy\u1ec7n<\/strong> ho\u1eb7c th\u1eadm ch\u00ed c\u00e1c pha m\u1ec1m kh\u00e1c.<\/li><\/ul><h2 class=\"wp-block-heading\">Gi\u1ea3i ph\u00e1p th\u00e9p c\u00f4ng c\u1ee5 H13 t\u00f9y ch\u1ec9nh cho nhu c\u1ea7u ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n<\/h2><p>Cho d\u00f9 b\u1ea1n c\u1ea7n th\u00e9p c\u00f4ng c\u1ee5 H13 v\u00ec kh\u1ea3 n\u0103ng gia c\u00f4ng hay y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng c\u1ee5 th\u1ec3 cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe, nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i lu\u00f4n s\u1eb5n s\u00e0ng cung c\u1ea5p <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/h13\/\">gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p<\/a> ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n. V\u1edbi chuy\u00ean m\u00f4n c\u1ee7a ch\u00fang t\u00f4i trong c\u00e1c d\u1ecbch v\u1ee5 x\u1eed l\u00fd nhi\u1ec7t nh\u01b0 l\u00e0m c\u1ee9ng v\u00e0 ram, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o th\u00e9p H13 c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t.<\/p><p>H\u00e3y li\u00ean h\u1ec7 ngay h\u00f4m nay \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch ch\u00fang t\u00f4i c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n\u2014ch\u00fang ta h\u00e3y c\u00f9ng nhau t\u00ecm ra gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p!<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>V\u1edbi t\u01b0 c\u00e1ch l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t, SteelPRO Group cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 H13 \u1edf tr\u1ea1ng th\u00e1i \u1ee7 (c\u00f3 th\u1ec3 gia c\u00f4ng), c\u00f3 s\u1eb5n \u1edf d\u1ea1ng t\u1ea5m, thanh v\u00e0 [\u2026]<\/p>","protected":false},"author":1,"featured_media":19988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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