{"id":19852,"date":"2024-12-14T10:15:00","date_gmt":"2024-12-14T02:15:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19852"},"modified":"2025-02-17T15:56:43","modified_gmt":"2025-02-17T07:56:43","slug":"d2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/d2\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 D2: T\u00ednh ch\u1ea5t, quy tr\u00ecnh, \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 D2 l\u00e0 chu\u1ea9n m\u1ef1c v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ecbu m\u00e0i m\u00f2n cao. V\u1edbi h\u00e0m l\u01b0\u1ee3ng crom 12%, th\u00e9p n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n g\u1ea5p ba l\u1ea7n th\u00e9p cacbon ti\u00eau chu\u1ea9n.<\/p><p>Tuy nhi\u00ean, nhi\u1ec1u k\u1ef9 s\u01b0 b\u1ecf qua c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh nh\u01b0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch x\u1eed l\u00fd nhi\u1ec7t, chi ph\u00ed x\u1eed l\u00fd sau v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp, d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c s\u1edbm v\u00e0 k\u00e9m hi\u1ec7u qu\u1ea3 c\u1ee7a d\u1ee5ng c\u1ee5. \u0110\u1ec3 gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a v\u1eadt li\u1ec7u ti\u1ebft ki\u1ec7m chi ph\u00ed n\u00e0y, ch\u00fang t\u00f4i cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh, \u01b0u \u0111i\u1ec3m v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 D2 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 l\u00e0 h\u1ee3p kim c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao, crom cao, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec \u0111\u1ed9 s\u1eafc c\u1ea1nh. \u0110\u00e2y l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu m\u00e0i m\u00f2n cao nh\u01b0 c\u1eaft khu\u00f4n, t\u1ea1o h\u00ecnh v\u00e0 l\u01b0\u1ee1i dao. Sau khi x\u1eed l\u00fd nhi\u1ec7t, th\u00e9p D2 \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng t\u1eeb 55-62 HRC v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i. So v\u1edbi th\u00e9p A2, D2 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n nh\u01b0ng kh\u1ea3 n\u0103ng gia c\u00f4ng th\u1ea5p h\u01a1n.<\/p><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 D2 d\u1ea1ng thanh, t\u1ea5m v\u00e0 que v\u1edbi k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u00e0 t\u00f9y ch\u1ecdn c\u1eaft. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 x\u1eed l\u00fd nhi\u1ec7t v\u00e0 gia c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u ri\u00eang c\u1ee7a b\u1ea1n.<\/p><h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n v\u00e0 c\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>H\u1ec7 th\u1ed1ng c\u1ea5p b\u1eadc<\/strong><\/td><td><strong>T\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n ASTM A681SAE J437\/J438<\/td><td>T30402<\/td><\/tr><tr><td>\u0110\u1ea0I H\u1eccC<\/td><td>1.2379<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n JIS G4404(83)<\/td><td>SKD11<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u0110\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h3><ul class=\"wp-block-list\"><li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao<\/strong> \u2192 Th\u00edch h\u1ee3p cho d\u1ee5ng c\u1ee5, khu\u00f4n m\u1eabu v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i.<\/li>\n\n<li><strong>\u0110\u1ed9 c\u1ee9ng cao v\u00e0 gi\u1eef c\u1ea1nh<\/strong> \u2192 H\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1eaft v\u00e0 x\u00e9n.<\/li>\n\n<li><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc t\u1ed1t<\/strong> \u2192 Th\u00edch h\u1ee3p cho c\u00e1c linh ki\u1ec7n ch\u00ednh x\u00e1c.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i<\/strong> \u2192 Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4 r\u00e1o v\u1edbi m\u1ee9c b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u.<\/li>\n\n<li><strong>C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n cao<\/strong> \u2192 C\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c l\u1edbn.<\/li><\/ul><h3 class=\"wp-block-heading\">Gi\u1edbi h\u1ea1n c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h3><ul class=\"wp-block-list\"><li><strong>Gi\u00f2n v\u00e0 thi\u1ebfu \u0111\u1ed9 d\u1ebbo dai<\/strong> \u2192 D\u1ec5 b\u1ecb s\u1ee9t m\u1ebb khi va ch\u1ea1m.<\/li>\n\n<li><strong>Kh\u00f3 gia c\u00f4ng<\/strong> \u2192 C\u1ea7n c\u00f3 c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng.<\/li>\n\n<li><strong>Kh\u00f4ng ho\u00e0n to\u00e0n kh\u00f4ng g\u1ec9<\/strong> \u2192 D\u1ec5 b\u1ecb \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/li>\n\n<li><strong>X\u1eed l\u00fd nhi\u1ec7t \u0111\u1ea7y th\u00e1ch th\u1ee9c<\/strong> \u2192 C\u1ea7n ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh b\u1ecb gi\u00f2n.<\/li>\n\n<li><strong>Y\u1ebfu \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong> \u2192 Kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao.<\/li><\/ul><h3 class=\"wp-block-heading\">Th\u00e9p D2 c\u00f3 t\u1ed1t kh\u00f4ng?<\/h3><p>C\u00f3, th\u00e9p D2 n\u1ed5i ti\u1ebfng v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ebf t\u1ea1o c\u00f4ng c\u1ee5 v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ef1c k\u1ef3 t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p D2 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng?<\/h3><p>Kh\u00f4ng, D2 kh\u00f4ng ho\u00e0n to\u00e0n kh\u00f4ng g\u1ec9. M\u1eb7c d\u00f9 c\u00f3 ch\u1ee9a crom, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng n\u00f3 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang c\u00e1ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt ho\u1eb7c kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 D2, c\u00f3 th\u00e0nh ph\u1ea7n crom, molypden v\u00e0 vanadi, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a n\u00f3.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>Th\u00e0nh ph\u1ea7n (%)<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>1,4 \u2013 1,6<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>11 \u2013 13<\/td><\/tr><tr><td>Coban (Co)<\/td><td>\u2264 1.0<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>80,8 \u2013 86,9<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 0,60<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>0,70 \u2013 1,2<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,030<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 0,60<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,030<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>\u2264 1,1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u0169ng cung c\u1ea5p hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady d\u01b0\u1edbi \u1ee9ng su\u1ea5t do \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i tuy\u1ec7t v\u1eddi. B\u1ea3ng sau \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (\u1ee6)<\/td><td>250 HB<\/td><td>250 Brinell<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (\u0110\u00e3 t\u00f4i c\u1ee9ng)<\/td><td>58-62 HRC<\/td><td>58-62 Rockwell C<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>1.800MPa<\/td><td>261.000 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>1.500MPa<\/td><td>217.500 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>10-12 %<\/td><td>10-12 %<\/td><\/tr><tr><td>Gi\u1ea3m Di\u1ec7n T\u00edch<\/td><td>50 %<\/td><td>50 %<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>95 MJ\/m\u00b3<\/td><td>17,5 x 10\u00b3 psi<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.3<\/td><td>0.3<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>50-60 %<\/td><td>50-60 %<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 c\u00f3 m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tuy\u1ec7t v\u1eddi, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u00e3n n\u1edf nhi\u1ec7t m\u1ea1nh v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a n\u00f3.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,75 g\/cm\u00b3<\/td><td>0,28 lb\/in\u00b3<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>210 GPa<\/td><td>30,5 x 10\u2076 psi<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.3<\/td><td>0.3<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>25,0 W\/m\u00b7K<\/td><td>14,5 BTU\u00b7in\/h\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>460 J\/kg\u00b7K<\/td><td>0,11 BTU\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>11,6 x 10\u207b\u2076 \/\u00b0C<\/td><td>6,4 x 10\u207b\u2076 \/\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1.460\u00b0C<\/td><td>2.664\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e9p D2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2><ul class=\"wp-block-list\"><li><strong>Gia c\u00f4ng ngu\u1ed9i<\/strong> (khu\u00f4n d\u1eadp, l\u01b0\u1ee1i c\u1eaft, m\u00e1y \u0111\u1ee5c)<\/li>\n\n<li><strong>D\u1ee5ng c\u1ee5 c\u1eaft c\u00f4ng nghi\u1ec7p<\/strong> (m\u00e1y c\u1eaft gi\u1ea5y, d\u1ee5ng c\u1ee5 l\u00e0m m\u1ed9c, k\u00e9o c\u1eaft kim lo\u1ea1i)<\/li>\n\n<li><strong>Linh ki\u1ec7n m\u00e1y m\u00f3c ch\u1ed1ng m\u00e0i m\u00f2n<\/strong> (v\u00f2ng bi, con l\u0103n, dao c\u00f4ng nghi\u1ec7p)<\/li>\n\n<li><strong>L\u01b0\u1ee1i dao c\u00f3 \u0111\u1ed9 c\u1ee9ng cao<\/strong> (EDC, dao chi\u1ebfn thu\u1eadt, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 l\u01b0\u1ee1i dao c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh)<\/li><\/ul><p>Th\u00e9p D2 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng v\u00e0 c\u1eaft. Tuy nhi\u00ean, \u0111\u1ed9 b\u1ec1n th\u1ea5p l\u00e0m t\u0103ng nguy c\u01a1 b\u1ecb s\u1ee9t m\u1ebb khi va ch\u1ea1m, trong khi \u0111\u1ed9 kh\u00f3 gia c\u00f4ng \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng.&nbsp;<\/p><p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp cao h\u01a1n (v\u00ed d\u1ee5: c\u00f4ng c\u1ee5 ch\u1ed1ng s\u1ed1c), <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/a2\/\">A2<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/s7\/\">S7<\/a> l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn thay th\u1ebf t\u1ed1t h\u01a1n, trong khi <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/m2\/\">M2<\/a> v\u01b0\u1ee3t tr\u1ed9i h\u01a1n D2 v\u1ec1 \u0111\u1ed9 b\u1ec1n ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao khi \u1ee9ng d\u1ee5ng l\u00e0m vi\u1ec7c n\u00f3ng.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 D2 l\u00e0m v\u1eadt li\u1ec7u dao: \u0110\u00e1nh gi\u00e1 th\u1ef1c t\u1ebf<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 c\u00f3 <strong>danh ti\u1ebfng h\u1ed7n h\u1ee3p<\/strong> trong c\u1ed9ng \u0111\u1ed3ng dao, nh\u01b0ng nh\u1eefng \u0111i\u1ec3m y\u1ebfu \u0111\u01b0\u1ee3c nh\u1eadn th\u1ea5y c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ph\u00e1 v\u1ee1 tuy\u1ec7t \u0111\u1ed1i. N\u00f3 v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng <strong>th\u1ef1c t\u1ebf, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t cao<\/strong> th\u00e9p d\u1ee5ng c\u1ee5 \u0111\u1ec3 l\u00e0m dao khi s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch.<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 gi\u1eef c\u1ea1nh \u0111\u1eb7c bi\u1ec7t (Tu\u1ed5i th\u1ecd th\u1ef1c t\u1ebf)<\/strong><\/li><\/ul><p>H\u00e0m l\u01b0\u1ee3ng carbon v\u00e0 crom cao c\u1ee7a D2 t\u1ea1o n\u00ean m\u1ed9t l\u01b0\u1ee3ng l\u1edbn c\u1ea5u tr\u00fac cacbua ch\u1ed1ng m\u00e0i m\u00f2n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p t\u1ea7m trung t\u1ed1t nh\u1ea5t v\u1ec1 \u0111\u1ed9 s\u1eafc b\u00e9n l\u00e2u d\u00e0i.<\/p><p>So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng nh\u01b0 440C ho\u1eb7c AUS-8, l\u01b0\u1ee1i dao D2 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u1eafc b\u00e9n l\u00e2u h\u01a1n t\u1edbi 3-5 l\u1ea7n, gi\u00fap gi\u1ea3m nhu c\u1ea7u m\u00e0i th\u01b0\u1eddng xuy\u00ean khi s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean.<\/p><ul class=\"wp-block-list\"><li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao (L\u00fd t\u01b0\u1edfng cho vi\u1ec7c c\u1eaft s\u1eed d\u1ee5ng m\u1ea1nh)<\/strong><\/li><\/ul><p>D2 c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft m\u00e0i m\u00f2n t\u1ed1t nh\u01b0 c\u1eaft b\u00eca c\u1ee9ng, ch\u1ebf bi\u1ebfn g\u1ed7 v\u00e0 c\u1eaft v\u1eadt li\u1ec7u d\u1ea1ng s\u1ee3i.<\/p><p>C\u1ea5u tr\u00fac c\u1ee9ng gi\u00e0u cacbua gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a l\u01b0\u1ee1i dao, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c vi\u1ec7c c\u1eaft nhi\u1ec1u l\u1ea7n c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng m\u00e0 kh\u00f4ng b\u1ecb c\u00f9n \u0111\u00e1ng k\u1ec3.<\/p><ul class=\"wp-block-list\"><li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t cho th\u00e9p c\u00f4ng c\u1ee5<\/strong><\/li><\/ul><p>M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, nh\u01b0ng h\u00e0m l\u01b0\u1ee3ng crom c\u1ee7a D2 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 t\u1ed1t h\u01a1n so v\u1edbi th\u00e9p cacbon ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5: 1095, 5160).<\/p><p>Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, vi\u1ec7c lau ch\u00f9i v\u00e0 tra d\u1ea7u (ho\u1eb7c s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 l\u01b0\u1ee1i dao) th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 r\u1ec9 s\u00e9t, khi\u1ebfn D2 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c m\u00f4i tr\u01b0\u1eddng, ngo\u1ea1i tr\u1eeb m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ea9m kh\u1eafc nghi\u1ec7t ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc m\u1eb7n.<\/p><ul class=\"wp-block-list\"><li><strong>Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng cho hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3<\/strong><\/li><\/ul><p>Trong khi th\u00e9p luy\u1ec7n kim b\u1ed9t cao c\u1ea5p (v\u00ed d\u1ee5, <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-20cv\/\">CPM-20CV<\/a>, M390) v\u01b0\u1ee3t tr\u1ed9i h\u01a1n D2 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n, nh\u01b0ng ch\u00fang c\u00f3 gi\u00e1 cao h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p><p>D2 c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef l\u01b0\u1ee1i dao \u1edf m\u1ee9c cao c\u1ea5p v\u1edbi m\u1ee9c gi\u00e1 t\u1ea7m trung, l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho nh\u1eefng con dao c\u1ea7n gi\u1eef \u0111\u1ed9 s\u1eafc b\u00e9n trong th\u1eddi gian d\u00e0i.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p D2 c\u00f3 t\u1ed1t \u0111\u1ec3 l\u00e0m dao kh\u00f4ng?<\/h3><p>\u2705 C\u00f3\u2014n\u1ebfu b\u1ea1n c\u1ea7n l\u01b0\u1ee1i dao b\u1ec1n, l\u00e2u d\u00e0i v\u00e0 s\u1eb5n s\u00e0ng b\u1ea3o d\u01b0\u1ee1ng c\u01a1 b\u1ea3n.<\/p><p>\u274c Kh\u00f4ng\u2014n\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t con dao sinh t\u1ed3n ch\u1ed1ng g\u1ec9, ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp cao trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t th\u1ef1c s\u1ef1 c\u1ee7a D2<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. C\u1ea5u tr\u00fac c\u1ee7a n\u00f3 \u00edt \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n th\u00e9p hi\u1ec7n \u0111\u1ea1i, v\u00ec v\u1eady x\u1eed l\u00fd nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai. Khi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, D2 c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef c\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi. Nh\u01b0ng n\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n k\u00e9m, n\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean qu\u00e1 gi\u00f2n, qu\u00e1 m\u1ec1m ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh, d\u1eabn \u0111\u1ebfn s\u1ee9t m\u1ebb ho\u1eb7c c\u00f9n.<\/p><p>M\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t gi\u00e1 r\u1ebb kh\u00f4ng x\u1eed l\u00fd nhi\u1ec7t D2 \u0111\u00fang c\u00e1ch, g\u00e2y ra ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. L\u01b0\u1ee1i dao D2 \u0111\u01b0\u1ee3c x\u1eed l\u00fd k\u00e9m c\u00f3 th\u1ec3 qu\u00e1 gi\u00f2n ho\u1eb7c kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c c\u1ea1nh.<\/p><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed1 cacbua v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00e9p D2 c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ea1nh, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n, gi\u1ea3m nguy c\u01a1 h\u1ecfng h\u00f3c.<\/p><h2 class=\"wp-block-heading\">R\u00e8n th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch l\u00e0m n\u00f3ng v\u1eadt li\u1ec7u t\u1eeb t\u1eeb v\u00e0 \u0111\u1ec1u \u0111\u1ebfn 700\u00b0C (1.292\u00b0F). Khi \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u00e0y, t\u0103ng nhi\u1ec7t nhanh h\u01a1n \u0111\u1ebfn 900-1.040\u00b0C (1.652-1.904\u00b0F). Sau khi r\u00e8n, \u0111\u1ec3 th\u00e9p ngu\u1ed9i d\u1ea7n, \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t.<\/p><p>R\u00e8n kh\u00f4ng n\u00ean ti\u1ebfn h\u00e0nh d\u01b0\u1edbi 925\u00b0C (1.697\u00b0F) v\u00ec th\u00e9p c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecbnh h\u00ecnh v\u00e0 d\u1ec5 b\u1ecb l\u1ed7i. \u1ee6 l\u00e0 b\u01b0\u1edbc thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau \u0111\u00f3 \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 D2<\/h2><p>H\u00e0m l\u01b0\u1ee3ng cacbon v\u00e0 crom cao trong th\u00e9p c\u00f4ng c\u1ee5 D2 mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 n\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng. SteelPro Group cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 D2 \u1edf d\u1ea1ng \u1ee7, c\u0169ng nh\u01b0 \u1edf d\u1ea1ng gia c\u00f4ng ngu\u1ed9i v\u00e0 t\u00f4i c\u1ee9ng.<\/p><p>C\u00e1c ph\u1ea7n sau \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd nhi\u1ec7t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ec1u \u0111\u1ebfn 850\u00b0C (1.562\u00b0F). Th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong kho\u1ea3ng 1 gi\u1edd cho m\u1ed7i 25,4mm (1 inch) \u0111\u1ed9 d\u00e0y.&nbsp;<\/p><p>Sau khi ng\u00e2m, v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i ch\u1eadm trong l\u00f2 ho\u1eb7c \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t kho\u1ea3ng 20\u00b0C m\u1ed9t gi\u1edd \u0111\u1ec3 tr\u00e1nh n\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng.&nbsp;<\/p><p>Sau khi \u1ee7, \u0111\u1ed9 c\u1ee9ng th\u01b0\u1eddng \u0111\u1ea1t kho\u1ea3ng 200 HB (\u0110\u1ed9 c\u1ee9ng Brinell).<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 D2 tr\u01b0\u1edbc ti\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng t\u1eeb t\u1eeb \u0111\u1ebfn 750\u2013780\u00b0C (1.382\u20131.436\u00b0F) v\u00e0 ng\u00e2m \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u trong su\u1ed1t qu\u00e1 tr\u00ecnh. Sau \u0111\u00f3, ph\u1ea3i nung n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng cu\u1ed1i c\u00f9ng l\u00e0 1.000\u20131.030\u00b0C (1.832\u20131.886\u00b0F).&nbsp;<\/p><p>Sau \u0111\u00f3, th\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f4i trong d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed, t\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng l\u00e0m m\u00e1t mong mu\u1ed1n. N\u1ebfu t\u00f4i trong d\u1ea7u, th\u00e9p s\u1ebd ngu\u1ed9i nhanh h\u01a1n, t\u1ea1o ra \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, trong khi l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed s\u1ebd t\u1ea1o ra \u0111\u1ed9 c\u1ee9ng th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nguy c\u01a1 bi\u1ebfn d\u1ea1ng ho\u1eb7c n\u1ee9t.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>&nbsp;Th\u00e9p c\u00f4ng c\u1ee5 D2 ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ec1u \u0111\u1ebfn 150\u2013200\u00b0C (302\u2013392\u00b0F) \u0111\u1ec3 t\u00f4i luy\u1ec7n. M\u1ed7i \u0111\u1ed9 d\u00e0y 25,4mm (1 inch) ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong 1 gi\u1edd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i nhi\u1ec7t th\u00edch h\u1ee3p v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t.<\/p><p>C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n l\u1ea7n th\u1ee9 hai n\u1ebfu c\u1ea7n th\u00eam \u0111\u1ed9 d\u1ebbo dai ho\u1eb7c gi\u1ea3m \u0111\u1ed9 c\u1ee9ng. Nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n l\u1ea7n th\u1ee9 hai th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 180\u2013200\u00b0C (356\u2013392\u00b0F). \u0110\u1ed9 c\u1ee9ng sau khi t\u00f4i luy\u1ec7n th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 58-62 HRC (Rockwell C).<\/p><h2 class=\"wp-block-heading\">D2 C\u00f4ng c\u1ee5 th\u00e9p s\u1ea3n ph\u1ea9m h\u00ecnh th\u1ee9c<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i t\u1ef1 h\u00e0o cung c\u1ea5p nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m cao c\u1ea5p <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/cr12mov\/\">S\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 D2<\/a>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ec9 m\u1ec9 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y c\u00e1c ph\u1ea1m vi k\u00edch th\u01b0\u1edbc ti\u00eau bi\u1ec3u cho th\u00e9p c\u00f4ng c\u1ee5 D2 m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p. Ngo\u00e0i ra, ch\u00fang t\u00f4i ho\u00e0n to\u00e0n c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng c\u00f3 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p><h3 class=\"wp-block-heading\">Thanh (tr\u00f2n, vu\u00f4ng, ph\u1eb3ng)<\/h3><ul class=\"wp-block-list\"><li><strong>K\u00edch th\u01b0\u1edbc ti\u00eau bi\u1ec3u<\/strong>: \u0110\u01b0\u1eddng k\u00ednh ho\u1eb7c \u0111\u1ed9 d\u00e0y 10\u2013300 mm (0,4\u201312 inch)<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u00f4ng khu\u00f4n, \u0111\u1ee5c, l\u01b0\u1ee1i dao v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n d\u1ee5ng c\u1ee5 kh\u00e1c.<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u0129a<\/h3><ul class=\"wp-block-list\"><li><strong>K\u00edch th\u01b0\u1edbc ti\u00eau bi\u1ec3u<\/strong>: d\u00e0y 20\u2013300 mm (0,8\u201312 inch)<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t khu\u00f4n m\u1eabu, khu\u00f4n \u0111\u00fac khu\u00f4n v\u00e0 d\u1ee5ng c\u1ee5 d\u1eadp.<\/li><\/ul><h3 class=\"wp-block-heading\">V\u00f2ng (R\u00e8n)<\/h3><ul class=\"wp-block-list\"><li><strong>K\u00edch th\u01b0\u1edbc ti\u00eau bi\u1ec3u<\/strong>: \u0110\u01b0\u1eddng k\u00ednh 100\u2013400 mm (4\u201316 inch)<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: Th\u00edch h\u1ee3p cho c\u00e1c linh ki\u1ec7n gia c\u00f4ng ch\u1ecbu l\u1ef1c n\u1eb7ng, ch\u1eb3ng h\u1ea1n nh\u01b0 khu\u00f4n v\u00e0 con l\u0103n l\u1edbn.<\/li><\/ul><h3 class=\"wp-block-heading\">T\u1ea5m tr\u1ea3i gi\u01b0\u1eddng<\/h3><ul class=\"wp-block-list\"><li><strong>K\u00edch th\u01b0\u1edbc ti\u00eau bi\u1ec3u<\/strong>: d\u00e0y 2\u201312 mm (0,08\u20130,5 inch)<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: C\u1eaft laser, d\u1eadp v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn khu\u00f4n m\u1eabu ch\u00ednh x\u00e1c.<\/li><\/ul><h2 class=\"wp-block-heading\">Gi\u1ea3i ph\u00e1p th\u00e9p c\u00f4ng c\u1ee5 D2 t\u00f9y ch\u1ec9nh cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n<\/h2><p>B\u1ea1n \u0111ang t\u00ecm th\u00e9p c\u00f4ng c\u1ee5 D2 hi\u1ec7u su\u1ea5t cao? SteelPro Group cung c\u1ea5p D2 \u1edf d\u1ea1ng thanh, t\u1ea5m v\u00e0 que, v\u1edbi k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c nhu c\u1ea7u c\u1ee7a b\u1ea1n.&nbsp;<\/p><p>Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 to\u00e0n di\u1ec7n bao g\u1ed3m x\u1eed l\u00fd nhi\u1ec7t, l\u00e0m c\u1ee9ng, ram v\u00e0 gia c\u00f4ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p><p>Cho d\u00f9 l\u00e0 c\u1eaft khu\u00f4n, t\u1ea1o h\u00ecnh hay l\u01b0\u1ee1i dao, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p D2 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t cao. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i 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.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 D2 l\u00e0 chu\u1ea9n m\u1ef1c v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ecbu m\u00e0i m\u00f2n cao. V\u1edbi h\u00e0m l\u01b0\u1ee3ng crom 12%, n\u00f3 mang l\u1ea1i ba [\u2026]<\/p>","protected":false},"author":12,"featured_media":19844,"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 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":""},"categories":[4294,4293],"tags":[],"class_list":["post-19852","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades-tool-steel","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19852","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=19852"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19852\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19844"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}