{"id":20182,"date":"2025-01-04T06:45:00","date_gmt":"2025-01-03T22:45:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20182"},"modified":"2025-01-09T17:05:23","modified_gmt":"2025-01-09T09:05:23","slug":"dc53","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/dc53\/","title":{"rendered":"Th\u00e9p d\u1ee5ng c\u1ee5 DC53 | Th\u00e9p l\u01b0\u1ee1i dao, khu\u00f4n v\u00e0 khu\u00f4n d\u1eadp"},"content":{"rendered":"<p>SteelPro Group l\u00e0 c\u00f4ng ty h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi v\u1ec1 th\u00e9p cacbon hi\u1ec7u su\u1ea5t cao, cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p DC53 h\u00e0ng \u0111\u1ea7u. Th\u00e9p DC53 c\u1ee7a ch\u00fang t\u00f4i mang l\u1ea1i s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n v\u00f4 song cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u1eaft khe nh\u1ea5t c\u1ee7a b\u1ea1n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 DC53 l\u00e0 g\u00ec?<\/h2><p>DC53 l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i cao c\u1ea5p c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng gia c\u00f4ng, \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u1eef c\u1ea1nh tuy\u1ec7t v\u1eddi, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho khu\u00f4n. M\u1ed9t c\u1ea3i ti\u1ebfn so v\u1edbi D2, n\u00f3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5 v\u00e0 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd. DC53 ph\u00f9 h\u1ee3p v\u1edbi x\u1eed l\u00fd b\u1ec1 m\u1eb7t PVD v\u00e0 h\u1ed7 tr\u1ee3 l\u1edbp ph\u1ee7 CVD v\u00e0 TD v\u1edbi x\u1eed l\u00fd nhi\u1ec7t sau.<\/p><h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p DC53 v\u00e0 th\u00e9p D2 l\u00e0 g\u00ec?<\/h3><p>DC53 c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n D2, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp v\u00e0 ch\u1ed1ng n\u1ee9t. Trong khi D2 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, DC53 t\u1ea1o ra s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t h\u01a1n gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng cao h\u01a1n (HRC 62 so v\u1edbi HRC 58-60 c\u1ee7a D2). DC53 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t h\u01a1n, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n khi gia c\u00f4ng.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p DC53 Th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/h2><p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn c\u1ee7a th\u00e9p DC53:<\/p><ul class=\"wp-block-list\"><li>Ti\u00eau chu\u1ea9n JIS: DC53 (JIS G4404)<\/li>\n\n<li>Ti\u00eau chu\u1ea9n: 1.2379<\/li>\n\n<li>Anh: Cr12MoV<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 th\u00e9p DC53<\/h2><p>SteelPro Group cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p DC53 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 thanh, t\u1ea5m, t\u1ea5m v\u00e0 thanh tr\u00f2n. N\u1ebfu b\u1ea1n y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc c\u1ee5 th\u1ec3 ho\u1eb7c h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>M\u1eabu s\u1ea3n ph\u1ea9m<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc (H\u1ec7 m\u00e9t)<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc (Anh)<\/strong><\/td><\/tr><tr><td>Thanh tr\u00f2n<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 20 mm \u0111\u1ebfn 300 mm<\/td><td>0,8 inch \u0111\u1ebfn 11,8 inch<\/td><\/tr><tr><td>Thanh vu\u00f4ng<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 20 mm \u0111\u1ebfn 300 mm<\/td><td>0,8 inch \u0111\u1ebfn 11,8 inch<\/td><\/tr><tr><td>Thanh ph\u1eb3ng<\/td><td>20 mm x 20 mm \u0111\u1ebfn 200 mm x 300 mm<\/td><td>0,8 in x 0,8 in \u0111\u1ebfn 7,9 in x 11,8 in<\/td><\/tr><tr><td rowspan=\"3\">T\u1ea5m tr\u1ea3i gi\u01b0\u1eddng<\/td><td>\u0110\u1ed9 d\u00e0y: 1 mm \u0111\u1ebfn 100 mm<\/td><td>0,04 in \u0111\u1ebfn 3,9 in<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng: 200 mm \u0111\u1ebfn 1500 mm<\/td><td>7,9 inch \u0111\u1ebfn 59 inch<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 500 mm \u0111\u1ebfn 4000 mm<\/td><td>19,7 inch \u0111\u1ebfn 157,5 inch<\/td><\/tr><tr><td rowspan=\"3\">\u0110\u0129a<\/td><td>\u0110\u1ed9 d\u00e0y: 10 mm \u0111\u1ebfn 200 mm<\/td><td>0,4 inch \u0111\u1ebfn 7,9 inch<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng: 200 mm \u0111\u1ebfn 1500 mm<\/td><td>7,9 inch \u0111\u1ebfn 59 inch<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 500 mm \u0111\u1ebfn 4000 mm<\/td><td>19,7 inch \u0111\u1ebfn 157,5 inch<\/td><\/tr><tr><td rowspan=\"2\">Thanh tr\u00f2n<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 10 mm \u0111\u1ebfn 200 mm<\/td><td>0,4 inch \u0111\u1ebfn 7,9 inch<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 1000 mm \u0111\u1ebfn 4000 mm<\/td><td>39,4 in \u0111\u1ebfn 157,5 in<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 DC53<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>N\u1ed9i dung (%)<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0.95<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>8<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>87.35<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.4<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>2<\/td><\/tr><tr><td>Silic (Si)<\/td><td>1<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>0.3<\/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 DC53<\/h2><figure class=\"wp-block-table\"><table><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>7,87 g\/cc<\/td><td>0,284 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>1500MPa<\/td><td>217.500 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>1300MPa<\/td><td>188.500 psi<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>23,8 W\/m\u00b7K<\/td><td>165 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf<\/td><td>12,2 \u00b5m\/m\u00b7\u00b0C (20-100\u00b0C)<\/td><td>6,78 \u00b5in\/in\u00b7\u00b0F (68-212\u00b0F)<\/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 DC53<\/h2><figure class=\"wp-block-table\"><table><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, Brinell<\/td><td>210 \u2013 225 HB<\/td><td>210 \u2013 225 HB<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (HRC)<\/td><td>62 \u2013 63 HRC<\/td><td>62 \u2013 63 HRC<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>150 GPa<\/td><td>21.700 kil\u00f4gam<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.28<\/td><td>0.28<\/td><\/tr><tr><td>M\u00f4 \u0111un c\u1eaft<\/td><td>58,5 GPa<\/td><td>8.480 kil\u00f4m\u00e9t<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 DC53<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i \u01b0u ti\u00ean \u0111\u1ed9 ch\u00ednh x\u00e1c trong t\u1eebng b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t cho th\u00e9p DC53. T\u1eeb \u1ee7 \u0111\u1ebfn l\u00e0m c\u1ee9ng v\u00e0 ram, \u0111\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1i \u01b0u.&nbsp;<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 750\u00b0C \u0111\u1ebfn 800\u00b0C (1.380\u00b0F \u0111\u1ebfn 1.470\u00b0F) v\u00e0 gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y. Sau \u0111\u00f3 l\u00e0m ngu\u1ed9i t\u1eeb t\u1eeb trong l\u00f2 nung ho\u1eb7c kh\u00f4ng kh\u00ed t\u0129nh \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong ho\u1eb7c gi\u1ea3m \u0111\u1ed9 c\u1ee9ng cho m\u1ee5c \u0111\u00edch gia c\u00f4ng.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng b\u1eb1ng kh\u00f4ng kh\u00ed<\/h3><p><strong>L\u00e0m n\u00f3ng tr\u01b0\u1edbc v\u00e0 Austenit h\u00f3a<\/strong><\/p><p>L\u00e0m n\u00f3ng th\u00e9p tr\u01b0\u1edbc <strong>800\u00b0C \u0111\u1ebfn 850\u00b0C (1.475\u00b0F \u0111\u1ebfn 1.560\u00b0F)<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01b0\u1edfi \u1ea5m \u0111\u1ed3ng \u0111\u1ec1u. Sau \u0111\u00f3, t\u0103ng nhi\u1ec7t \u0111\u1ed9 l\u00ean <strong>1.030\u00b0C (1.885\u00b0F)<\/strong> \u0111\u1ec3 austenit h\u00f3a.<\/p><p>\u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n d\u00e0y t\u1edbi 100 mm (4 inch), ng\u00e2m trong 25 \u0111\u1ebfn 30 ph\u00fat cho m\u1ed7i inch (1 gi\u1edd cho c\u00e1c ph\u1ea7n m\u1ecfng h\u01a1n 25 mm). \u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n, ng\u00e2m trong 10 \u0111\u1ebfn 25 ph\u00fat cho m\u1ed7i inch.<\/p><p><strong>L\u00e0m ngu\u1ed9i<\/strong><\/p><p>S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00ed tr\u01a1 (th\u01b0\u1eddng l\u00e0 nit\u01a1) \u0111\u1ec3 tr\u00e1nh \u00f4 nhi\u1ec5m. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng \u00e1p su\u1ea5t l\u00e0m ngu\u1ed9i cao h\u01a1n <strong>2 thanh<\/strong> (g\u1ea5p 2 l\u1ea7n \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n) v\u00ec \u00e1p su\u1ea5t cao h\u01a1n c\u00f3 th\u1ec3 g\u00e2y bi\u1ebfn d\u1ea1ng v\u00e0 t\u0103ng \u1ee9ng su\u1ea5t.<\/p><p>B\u01b0\u1edbc n\u00e0y chuy\u1ec3n \u0111\u1ed5i th\u00e9p t\u1eeb pha austenit sang tr\u1ea1ng th\u00e1i martensit ch\u01b0a t\u00f4i, l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng. Sau khi t\u00f4i, th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i \u0111\u1ebfn<strong> 45\u00b0C \u0111\u1ebfn 65\u00b0C (120\u00b0F \u0111\u1ebfn 150\u00b0F) <\/strong>tr\u01b0\u1edbc khi t\u00f4i luy\u1ec7n.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng b\u1eb1ng mu\u1ed1i<\/h3><p><strong>L\u00e0m n\u00f3ng tr\u01b0\u1edbc v\u00e0 Austenit h\u00f3a<\/strong><\/p><p>L\u00e0m n\u00f3ng tr\u01b0\u1edbc b\u1ed9 ph\u1eadn \u0111\u1ec3 <strong>850\u00b0C (1.550\u00b0F)<\/strong> cho \u0111\u1ebfn khi n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ec1u. Sau \u0111\u00f3 nh\u00fang th\u00e9p v\u00e0o b\u1ed3n mu\u1ed1i n\u00f3ng ch\u1ea3y \u1edf <strong>1.030\u00b0C (1.885\u00b0F)<\/strong> \u00edt nh\u1ea5t 5 ph\u00fat. Th\u1eddi gian ng\u00e2m s\u1ebd thay \u0111\u1ed5i t\u00f9y theo \u0111\u1ed9 d\u00e0y c\u1ee7a b\u1ed9 ph\u1eadn, nh\u01b0 th\u1ec3 hi\u1ec7n trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u0110\u1ed9 d\u00e0y<\/strong><\/td><td><strong>Th\u1eddi gian ng\u00e2m m\u00ecnh<\/strong><\/td><\/tr><tr><td>5mm (1\/4\u2033)<\/td><td>5 \u2013 8 ph\u00fat<\/td><\/tr><tr><td>12mm (1\/2\u2033)<\/td><td>10 \u2013 12 ph\u00fat<\/td><\/tr><tr><td>20mm (3\/4\u2033)<\/td><td>10 \u2013 15 ph\u00fat<\/td><\/tr><tr><td>30mm (1 1\/2\u2033)<\/td><td>15 \u2013 20 ph\u00fat<\/td><\/tr><tr><td>50 mm (2\u2033)<\/td><td>20 \u2013 25 ph\u00fat<\/td><\/tr><tr><td>100 mm (4\u2033)<\/td><td>30 \u2013 40 ph\u00fat<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>L\u00e0m ngu\u1ed9i v\u00e0 l\u00e0m m\u00e1t<\/strong><\/p><p>Sau khi ng\u00e2m trong b\u1ed3n mu\u1ed1i, b\u1ed9 ph\u1eadn \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i b\u1eb1ng mu\u1ed1i v\u00e0 sau \u0111\u00f3 \u0111\u1ec3 ngu\u1ed9i trong kh\u00f4ng kh\u00ed t\u0129nh cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u1ebfn <strong>45\u00b0C \u0111\u1ebfn 65\u00b0C<\/strong> (<strong>120\u00b0F \u0111\u1ebfn 150\u00b0F<\/strong>) tr\u01b0\u1edbc khi \u1ee7.<\/p><h4 class=\"wp-block-heading\"><strong>L\u00e0m ngu\u1ed9i<\/strong><\/h4><p>\u0110i\u1ec1u n\u00e0y n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong l\u00f2 \u0111\u1ed1i l\u01b0u kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng kh\u00ed quy\u1ec3n. Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n ban \u0111\u1ea7u n\u00ean di\u1ec5n ra sau khi b\u1ed9 ph\u1eadn \u0111\u00e3 ngu\u1ed9i \u0111\u1ebfn m\u1ed9t ph\u1ea1m vi <strong>45\u00b0C \u0111\u1ebfn 65\u00b0C (120\u00b0F \u0111\u1ebfn 150\u00b0F)<\/strong>, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n chu tr\u00ecnh t\u00f4i luy\u1ec7n ti\u1ebfp theo.<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c HRC 60-62: <\/strong>X\u1eed l\u00fd nhi\u1ec7t th\u00e9p hai l\u1ea7n \u1edf<strong> 540\u00b0C (1.005\u00b0F) trong 60 \u0111\u1ebfn 90 ph\u00fat cho m\u1ed7i inch \u0111\u1ed9 d\u00e0y<\/strong>, \u0111\u1ea3m b\u1ea3o th\u1eddi gian \u1ee7 \u00edt nh\u1ea5t l\u00e0 90 ph\u00fat.<\/li>\n\n<li><strong>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c HRC 62-64:<\/strong> T\u00f4i th\u00e9p hai l\u1ea7n \u1edf <strong>520\u00b0C (970\u00b0F)<\/strong> trong c\u00f9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian.<\/li>\n\n<li><strong>\u0110\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ebbo dai:<\/strong> T\u00ednh kh\u00ed g\u1ea5p \u0111\u00f4i \u1edf <strong>550\u00b0C (1.020\u00b0F)<\/strong> \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c <strong>HRC58-60<\/strong>.<\/li><\/ul><p>N\u1ebfu c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao y\u00eau c\u1ea7u \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u do gia c\u00f4ng ho\u1eb7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t, th\u00ec c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u00f4i th\u1ee9 ba t\u00f9y ch\u1ecdn t\u1ea1i <strong>400\u00b0C<\/strong> (<strong>750\u00b0F<\/strong>) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac.<\/p><h2 class=\"wp-block-heading\">Ch\u1ebf t\u1ea1o v\u00e0 gia c\u00f4ng th\u00e9p c\u00f4ng c\u1ee5 DC53&nbsp;<\/h2><h3 class=\"wp-block-heading\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/h3><h4 class=\"wp-block-heading\">Quy tr\u00ecnh l\u1ea1nh<\/h4><ul class=\"wp-block-list\"><li><strong>Th\u1ea5m nit\u01a1<\/strong><\/li><\/ul><p>L\u00fd t\u01b0\u1edfng cho qu\u00e1 tr\u00ecnh l\u00e0m c\u1ee9ng v\u1ecf, th\u1ea5m nit\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi <strong>500\u00b0C (930\u00b0F)<\/strong> \u0111\u1ec3 tr\u00e1nh l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ed1t l\u00f5i c\u1ee7a th\u00e9p. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 b\u1ec1n c\u1ee7a DC53.<\/p><ul class=\"wp-block-list\"><li><strong>L\u1edbp ph\u1ee7 PVD<\/strong><\/li><\/ul><p>L\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t nh\u01b0 <strong>TiN<\/strong>, <strong>TiCN<\/strong>, V\u00e0 <strong>CrN<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng th\u00f4ng qua l\u1eafng \u0111\u1ecdng h\u01a1i v\u1eadt l\u00fd (PVD). \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, h\u00e3y t\u00f4i luy\u1ec7n DC53 \u1edf nhi\u1ec7t \u0111\u1ed9 \u00edt nh\u1ea5t <strong>520\u00b0C (970\u00b0F)<\/strong> tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng c\u00e1c l\u1edbp ph\u1ee7 n\u00e0y.&nbsp;<\/p><p>Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean t\u00f4i l\u1ea7n th\u1ee9 ba \u1edf 400\u00b0C (750\u00b0F) cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00ec \u0111i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u m\u1ecdi thay \u0111\u1ed5i v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/p><h4 class=\"wp-block-heading\">Qu\u00e1 tr\u00ecnh n\u00f3ng<\/h4><ul class=\"wp-block-list\"><li><strong>L\u1edbp ph\u1ee7 CVD<\/strong><\/li><\/ul><p>L\u1edbp ph\u1ee7 l\u1eafng \u0111\u1ecdng h\u01a1i h\u00f3a h\u1ecdc (CVD) \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>925\u00b0C (1.700\u00b0F)<\/strong> V\u00e0 <strong>1.040\u00b0C (1.900\u00b0F)<\/strong>. Sau khi ph\u1ee7 CVD, t\u00f4i luy\u1ec7n \u1edf <strong>500\u00b0C (930\u00b0F) \u0111\u1ebfn 510\u00b0C (950\u00b0F)<\/strong> \u0111\u1ec3 duy tr\u00ec c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p.<\/p><ul class=\"wp-block-list\"><li><strong>L\u1edbp ph\u1ee7 TD (T\u1ea3n nhi\u1ec7t)<\/strong><\/li><\/ul><p>L\u1edbp ph\u1ee7 TD \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>1.010\u00b0C (1.850\u00b0F)<\/strong> V\u00e0 <strong>1.030\u00b0C (1.886\u00b0F)<\/strong>. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng t\u1ed1t nh\u1ea5t, l\u1edbp ph\u1ee7 TD n\u00ean \u0111\u01b0\u1ee3c ph\u1ee7 \u1edf nhi\u1ec7t \u0111\u1ed9 1.030\u00b0C (1.886\u00b0F), sau \u0111\u00f3 l\u00e0 m\u1ed9t s\u1ed1 chu k\u1ef3 t\u00f4i luy\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p.<\/p><h3 class=\"wp-block-heading\">Gia c\u00f4ng<\/h3><p>DC53 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng gia c\u00f4ng tuy\u1ec7t v\u1eddi, c\u00f3 th\u1ec3 <strong>20-40% nhanh h\u01a1n<\/strong> h\u01a1n th\u00e9p c\u00f4ng c\u1ee5 D2. Ngo\u00e0i ra, n\u00f3 c\u00f2n tr\u1ea3i nghi\u1ec7m <strong>50% \u00edt hao m\u00f2n d\u1ee5ng c\u1ee5 h\u01a1n<\/strong>, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed gia c\u00f4ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3.<\/p><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><p>M\u1eb7c d\u00f9 DC53 c\u00f3 th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c nh\u01b0ng c\u1ea7n ph\u1ea3i \u0111\u1eb7c bi\u1ec7t c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 n\u1ee9t ho\u1eb7c bi\u1ebfn d\u1ea1ng.<\/p><p><strong>M\u1eb9o h\u00e0n<\/strong>:<\/p><ul class=\"wp-block-list\"><li><strong>Que h\u00e0n<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t <strong>Que h\u00e0n H72A<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao, h\u00e0m l\u01b0\u1ee3ng crom cao. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi th\u00e0nh ph\u1ea7n c\u1ee7a DC53.<\/li>\n\n<li><strong>L\u00e0m kh\u00f4 thanh<\/strong>: \u0110\u1ec3 tr\u00e1nh n\u1ee9t m\u1ed1i h\u00e0n, lu\u00f4n l\u00e0m kh\u00f4 que h\u00e0n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch nung n\u00f3ng n\u00f3 \u0111\u1ebfn <strong>350\u00b0C (650\u00b0F)<\/strong> trong kho\u1ea3ng m\u1ed9t gi\u1edd.<\/li>\n\n<li><strong>X\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n<\/strong>:V\u00ec h\u00e0n c\u00f3 th\u1ec3 g\u00e2y ra \u1ee9ng su\u1ea5t, n\u00ean \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ti\u1ebfn h\u00e0nh t\u00f4i luy\u1ec7n sau khi h\u00e0n \u1edf <strong>500\u00b0C (930\u00b0F) \u0111\u1ebfn 510\u00b0C (950\u00b0F)<\/strong> \u0111\u1ec3 kh\u00f4i ph\u1ee5c s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a DC53.<\/li><\/ul><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5 DC53<\/h2><p>DC53 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>Khu\u00f4n d\u1eadp<\/li>\n\n<li>Khu\u00f4n \u00e9p phun<\/li>\n\n<li>Ti\u1ebfn tr\u00ecnh ch\u1ebft<\/li>\n\n<li>Khu\u00f4n d\u1eadp<\/li>\n\n<li>D\u1ee5ng c\u1ee5 \u0111\u00f9n<\/li>\n\n<li>C\u00f4ng c\u1ee5 t\u1ea1o h\u00ecnh<\/li>\n\n<li>D\u1ee5ng c\u1ee5 c\u1eaft (v\u00ed d\u1ee5, l\u01b0\u1ee1i c\u1eaft, k\u00e9o)<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p DC53 c\u00f3 t\u1ed1t \u0111\u1ec3 l\u00e0m dao kh\u00f4ng?<\/h2><p>C\u00f3. DC53 l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady cho dao, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00f4ng nghi\u1ec7p ho\u1eb7c s\u1eed d\u1ee5ng n\u1eb7ng. N\u00f3 t\u1ea1o ra s\u1ef1 c\u00e2n b\u1eb1ng v\u1eefng ch\u1eafc gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n, \u0111\u1ea3m b\u1ea3o gi\u1eef l\u01b0\u1ee1i tuy\u1ec7t v\u1eddi. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi dao n\u1ea5u \u0103n, c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c nh\u01b0 VG10 ho\u1eb7c S30V \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n v\u00e0 d\u1ec5 m\u00e0i h\u01a1n.<\/p><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p DC53 v\u00e0 M390 l\u00e0 g\u00ec?<\/h2><p>M390 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n DC53 nh\u01b0ng gi\u00f2n h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, DC53 c\u1ee9ng h\u01a1n v\u00e0 ch\u1ed1ng s\u1ee9t m\u1ebb t\u1ed1t h\u01a1n, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u1ee9ng su\u1ea5t cao.&nbsp;<\/p><p>M390 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u01b0\u1ee1i dao, trong khi DC53 ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 l\u00e0m d\u1ee5ng c\u1ee5 v\u00e0 khu\u00f4n.<\/p><h2 class=\"wp-block-heading\">T\u00ecm th\u00e9p c\u00f4ng c\u1ee5 DC53 cao c\u1ea5p t\u1ea1i SteelPro Group<\/h2><p>SteelPro Group cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p DC53 cao c\u1ea5p, bao g\u1ed3m thanh, t\u1ea5m, t\u1ea5m m\u1ecfng v\u00e0 thanh th\u00e9p, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/cr12mov\/\">Th\u00e9p c\u00f4ng c\u1ee5 D2<\/a> cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao.&nbsp;<\/p><p>B\u1ea1n c\u1ea7n th\u00e9p ch\u1ea5t l\u01b0\u1ee3ng cao ho\u1eb7c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh? H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 chuy\u00ean m\u00f4n v\u00e0 s\u1ea3n ph\u1ea9m cao c\u1ea5p!<\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPro Group is a global leader in high-performance carbon steel, offering top-tier DC53 steel products. Our DC53 steel delivers unmatched [&hellip;]<\/p>","protected":false},"author":12,"featured_media":20184,"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-20182","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\/20182","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=20182"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20182\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20184"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}