{"id":19805,"date":"2024-12-10T06:47:00","date_gmt":"2024-12-09T22:47:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19805"},"modified":"2025-01-09T16:50:48","modified_gmt":"2025-01-09T08:50:48","slug":"o1","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/o1\/","title":{"rendered":"L\u00e0m c\u1ee9ng b\u1eb1ng d\u1ea7u | Th\u00e9p c\u00f4ng c\u1ee5 O1: T\u00ednh ch\u1ea5t, quy tr\u00ecnh v\u00e0 c\u00f4ng d\u1ee5ng"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 O1 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O1 l\u00e0 th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao, t\u00f4i d\u1ea7u, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 AISI Type O1 v\u00e0 UNS T31501. Th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t v\u00e0 va \u0111\u1eadp cao trong khi v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc. O1 th\u01b0\u1eddng c\u00f3 s\u1eb5n \u1edf d\u1ea1ng ph\u00f4i m\u00e0i, thanh khoan v\u00e0 thanh, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 c\u1eaft, khu\u00f4n v\u00e0 \u0111\u1ed3 g\u00e1 do c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 O1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1i g\u00ec?<\/h2><p>C\u00e1c t\u1eeb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ph\u1ed5 bi\u1ebfn c\u1ee7a O1 bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li><strong>UNS T31501<\/strong>- H\u1ec7 th\u1ed1ng s\u1ed1 th\u1ed1ng nh\u1ea5t<\/li>\n\n<li><strong>AISI Lo\u1ea1i O1<\/strong> \u2013 Vi\u1ec7n S\u1eaft v\u00e0 Th\u00e9p Hoa K\u1ef3<\/li>\n\n<li><strong>Ti\u00eau chu\u1ea9n DIN 1.2510<\/strong> \u2013 Ti\u00eau chu\u1ea9n \u0110\u1ee9c<\/li>\n\n<li><strong>100 tri\u1ec7u CrW4<\/strong> \u2013 Ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u<\/li>\n\n<li><strong>SKS3<\/strong> \u2013 Ti\u00eau chu\u1ea9n Nh\u1eadt B\u1ea3n<\/li><\/ul><h2 class=\"wp-block-heading\">C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O1<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 O1, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi h\u00e0m l\u01b0\u1ee3ng cacbon cao, mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i. N\u00f3 duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t d\u01b0\u1edbi \u1ee9ng su\u1ea5t v\u00e0 va \u0111\u1eadp cao. Ngo\u00e0i ra, O1 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 gia c\u00f4ng v\u00e0 t\u1ea1o h\u00ecnh, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0a th\u00edch \u0111\u1ec3 t\u1ea1o ra c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 khu\u00f4n m\u1eabu theo y\u00eau c\u1ea7u.<\/p><p>B\u1ea3ng sau \u0111\u00e2y cung c\u1ea5p th\u00f4ng tin d\u1eef li\u1ec7u chi ti\u1ebft v\u1ec1 th\u00e9p c\u00f4ng c\u1ee5 O1:<\/p><h3 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O1<\/h3><figure class=\"wp-block-table\"><table><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>0.90 &#8211; 1.00<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.30 &#8211; 0.50<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>0.40 &#8211; 0.60<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>0.15 &#8211; 0.30<\/td><\/tr><tr><td>Silic (Si)<\/td><td>0.10 &#8211; 0.35<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,030<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,030<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O1<\/h3><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>7,85g\/cm\u00b3<\/td><td>0,284 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1425 \u2013 1540 \u00b0C<\/td><td>2597 \u2013 2804 \u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>11,6 \u00d7 10\u207b\u2076 \/\u00b0C<\/td><td>6,44 \u00d7 10\u207b\u2076 \/\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>0,460 J\/g\u00b7\u00b0C<\/td><td>0,110 Btu\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td><td>4,5 \u00d7 10\u2076 L\/m<\/td><td>7,8 \u00d7 10\u2075 S\/in<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>25,9 W\/m\u00b7K<\/td><td>14,96 Btu\u00b7ft\/gi\u1edd\u00b7\u00b0F<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.3<\/td><td>0.3<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>210 GPa<\/td><td>30,5 \u00d7 10\u2076 psi<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O1<\/h3><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>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>1.100 \u2013 1.300MPa<\/td><td>159.500 \u2013 188.550 psi<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>1.500 \u2013 1.700MPa<\/td><td>217.500 \u2013 246.500 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>6 &#8211; 12 %<\/td><td>6 &#8211; 12 %<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng<\/td><td>58 \u2013 64HRC<\/td><td>58 \u2013 64HRC<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp<\/td><td>5 \u2013 10J<\/td><td>3,69 \u2013 7,38 ft\u00b7lb<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh u\u1ed1n cong<\/td><td>2.100 \u2013 2.400MPa<\/td><td>304.500 \u2013 348.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n m\u1ecfi<\/td><td>500 \u2013 800MPa<\/td><td>72.500 \u2013 116.000 psi<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>210 GPa<\/td><td>30,5 \u00d7 10\u2076 psi<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n g\u00e3y (K_IC)<\/td><td>55 \u2013 60 MPa\u00b7\u221am<\/td><td>50 \u2013 55 ksi\u00b7\u221ain<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 O1?<\/h2><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>\u1ee6 l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 l\u00e0m m\u1ec1m th\u00e9p O1 v\u00e0 gi\u1ea3i ph\u00f3ng m\u1ecdi \u1ee9ng su\u1ea5t b\u00ean trong. N\u00f3 gi\u00fap th\u00e9p d\u1ec5 gia c\u00f4ng h\u01a1n v\u00e0 chu\u1ea9n b\u1ecb cho c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t.<\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m<\/strong>: L\u00e0m n\u00f3ng th\u00e9p t\u1eeb t\u1eeb \u0111\u1ebfn <strong>1450\u00b0F<\/strong> (790\u00b0C) v\u00e0 gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t<\/strong>: Sau khi ng\u00e2m, l\u00e0m ngu\u1ed9i th\u00e9p \u1edf kho\u1ea3ng <strong>25\u00b0F m\u1ed9t gi\u1edd<\/strong> (14\u00b0C m\u1ed7i gi\u1edd) xu\u1ed1ng t\u1edbi <strong>900\u00b0F<\/strong> (480\u00b0C), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li>\n\n<li><strong>\u0110\u1ed9 c\u1ee9ng k\u1ebft qu\u1ea3<\/strong>: Sau khi \u1ee7, O1 s\u1ebd c\u00f3 <strong>\u0110\u1ed9 c\u1ee9ng Brinell l\u00e0 221<\/strong>.<\/li><\/ul><h3 class=\"wp-block-heading\">Gi\u1ea3m \u1ee9ng su\u1ea5t (cho v\u1eadt li\u1ec7u ch\u01b0a c\u1ee9ng)<\/h3><p>Gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong O1 tr\u01b0\u1edbc khi c\u1ee9ng, gi\u00fap ng\u0103n ng\u1eeba bi\u1ebfn d\u1ea1ng ho\u1eb7c n\u1ee9t.<\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m<\/strong>: L\u00e0m n\u00f3ng th\u00e9p t\u1eeb t\u1eeb \u0111\u1ebfn <strong>1250\u00b0F<\/strong> (677\u00b0C).<\/li>\n\n<li><strong>Ng\u00e2m<\/strong>: Ng\u00e2m trong kho\u1ea3ng <strong>hai gi\u1edd cho m\u1ed9t inch<\/strong> (25,4 mm) \u0111\u1ed9 d\u00e0y.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t<\/strong>: \u0110\u1ec3 th\u00e9p ngu\u1ed9i t\u1eeb t\u1eeb (l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 l\u00e0m m\u00e1t b\u1eb1ng l\u00f2) \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li><\/ul><h3 class=\"wp-block-heading\">Chu\u1ea9n h\u00f3a<\/h3><p>Chu\u1ea9n h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t tr\u01b0\u1edbc khi l\u00e0m c\u1ee9ng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi l\u01b0\u1ee1i dao v\u00e0 c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n. N\u1ebfu b\u1ea1n mu\u1ed1n tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng kh\u1eed cacbon b\u1ec1 m\u1eb7t ho\u1eb7c \u0111\u00f3ng c\u1eb7n, h\u00e3y s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ch\u1ed1ng \u0111\u00f3ng c\u1eb7n nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 ATP-641 ho\u1eb7c Turco.<\/p><ul class=\"wp-block-list\"><li><strong>Chu k\u1ef3 1<\/strong>: L\u00e0m n\u00f3ng \u0111\u1ebfn <strong>1650\u00b0F<\/strong> (898\u00b0C) v\u00e0 gi\u1eef trong <strong>10-15 ph\u00fat<\/strong>.<\/li>\n\n<li><strong>Chu k\u1ef3 2<\/strong>: Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng <strong>1500\u00b0F<\/strong> (815\u00b0C) v\u00e0 gi\u1eef l\u1ea1i trong <strong>10-15 ph\u00fat<\/strong>.<\/li>\n\n<li><strong>Chu k\u1ef3 3<\/strong>: Cu\u1ed1i c\u00f9ng, h\u1ea1 nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng <strong>1350\u00b0F<\/strong> (732\u00b0C) v\u00e0 gi\u1eef trong m\u1ed9t th\u1eddi gian n\u1eefa <strong>10-15 ph\u00fat<\/strong>.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t<\/strong>: Khi v\u1eadt li\u1ec7u ngu\u1ed9i th\u00e0nh m\u00e0u \u0111en v\u00e0 tr\u1edf n\u00ean t\u1eeb t\u00ednh, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n l\u1ea1i. Lu\u00f4n x\u1eed l\u00fd th\u00e9p n\u00f3ng m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn.<\/li><\/ul><h3 class=\"wp-block-heading\">Austenit h\u00f3a<\/h3><p>Austenit h\u00f3a l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 l\u00e0m c\u1ee9ng th\u00e9p O1, trong \u0111\u00f3 th\u00e9p \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u1ea5u tr\u00fac vi m\u00f4 v\u00e0 chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh t\u00f4i.<\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m<\/strong>: L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn <strong>1475\u00b0F<\/strong> \u0110\u1ebeN <strong>1500\u00b0F<\/strong> (802\u00b0C \u0111\u1ebfn 815\u00b0C). \u0110\u1ea3m b\u1ea3o th\u00e9p \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ec1u.<\/li>\n\n<li><strong>Ng\u00e2m<\/strong>: Gi\u1eef th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 austenit h\u00f3a trong kho\u1ea3ng <strong>30 ph\u00fat cho m\u1ed9t inch<\/strong> (25,4mm) \u0111\u1ed9 d\u00e0y.<\/li>\n\n<li><strong>Th\u1eddi gian ng\u00e2m<\/strong>:N\u1ebfu s\u1eed d\u1ee5ng l\u00f2 r\u00e8n, h\u00e3y gi\u1ea3m th\u1eddi gian ng\u00e2m xu\u1ed1ng m\u1ee9c t\u1ed1i thi\u1ec3u v\u00ec l\u00f2 r\u00e8n c\u00f3 th\u1ec3 kh\u00f4ng duy tr\u00ec \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>Sau khi austenit h\u00f3a, th\u00e9p c\u1ea7n \u0111\u01b0\u1ee3c t\u00f4i \u0111\u1ec3 ngu\u1ed9i nhanh v\u00e0 gi\u1eef nguy\u00ean \u0111\u1ed9 c\u1ee9ng. T\u00f4i b\u1eb1ng d\u1ea7u l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ed1i v\u1edbi th\u00e9p O1.<\/p><ul class=\"wp-block-list\"><li><strong>M\u00f4i tr\u01b0\u1eddng l\u00e0m ngu\u1ed9i<\/strong>: S\u1eed d\u1ee5ng <strong>C\u00f4ng vi\u00ean 50<\/strong> ho\u1eb7c m\u1ed9t lo\u1ea1i d\u1ea7u t\u00f4i ph\u00f9 h\u1ee3p kh\u00e1c. D\u1ea7u t\u00f4i ch\u1eadm h\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t<\/strong>: L\u00e0m ngu\u1ed9i th\u00e9p trong d\u1ea7u cho \u0111\u1ebfn khi ngu\u1ed9i \u0111\u1ebfn <strong>150-200\u00b0F<\/strong> (66-93\u00b0C).<\/li><\/ul><p>H\u00e3y c\u1ea9n th\u1eadn khi x\u1eed l\u00fd, v\u00ec qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng ho\u1eb7c n\u1ee9t, \u0111\u1eb7c bi\u1ec7t n\u1ebfu c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 \u0111\u1ed9 d\u00e0y c\u1ee7a m\u1eb7t c\u1eaft ho\u1eb7c c\u00e1c g\u00f3c b\u00ean trong s\u1eafc nh\u1ecdn.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>L\u00e0m ngu\u1ed9i l\u00e0 giai \u0111o\u1ea1n cu\u1ed1i c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t, trong \u0111\u00f3 th\u00e9p \u0111\u01b0\u1ee3c nung l\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 gi\u00f2n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng.<\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m<\/strong>: Sau khi l\u00e0m ngu\u1ed9i, t\u00f4i luy\u1ec7n O1 b\u1eb1ng c\u00e1ch nung n\u00f3ng n\u00f3 \u0111\u1ebfn m\u1ed9t ph\u1ea1m vi gi\u1eefa <strong>300\u00b0F<\/strong> V\u00e0 <strong>500\u00b0F<\/strong> (150\u00b0C \u0111\u1ebfn 260\u00b0C), t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng mong mu\u1ed1n.<\/li>\n\n<li><strong>Ng\u00e2m<\/strong>: Ng\u00e2m th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 ch\u1ecdn trong <strong>2 gi\u1edd<\/strong> tr\u00ean m\u1ed7i inch \u0111\u1ed9 d\u00e0y.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t<\/strong>: Sau khi t\u00f4i luy\u1ec7n, l\u00e0m ngu\u1ed9i th\u00e9p trong kh\u00f4ng kh\u00ed \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li><\/ul><p><strong>\u0110\u1ed9 c\u1ee9ng sau khi t\u00f4i luy\u1ec7n<\/strong>: \u0110\u1ed9 c\u1ee9ng cu\u1ed1i c\u00f9ng s\u1ebd v\u00e0o kho\u1ea3ng <strong>Rockwell C58-64<\/strong>, t\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 O1<\/h2><p>O1 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, \u0111\u1ed9 bi\u1ebfn d\u1ea1ng th\u1ea5p trong qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 s\u1ea3n xu\u1ea5t. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t:<\/p><ul class=\"wp-block-list\"><li><strong>Khu\u00f4n d\u1eadp<\/strong>: D\u00f9ng \u0111\u1ec3 \u0111\u1ee5c l\u1ed7 v\u00e0 \u0111\u1ecbnh h\u00ecnh v\u1eadt li\u1ec7u.<\/li>\n\n<li><strong>\u1ed0ng l\u00f3t<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c v\u00e0 linh ki\u1ec7n \u00f4 t\u00f4.<\/li>\n\n<li><strong>Khu\u00f4n \u0111\u1ecbnh h\u00ecnh<\/strong>: C\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh kim lo\u1ea1i th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n\n<li><strong>C\u00f4ng c\u1ee5 ch\u00ednh<\/strong>: D\u00e0nh cho ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c.<\/li>\n\n<li><strong>H\u00ecnh th\u00e0nh cu\u1ed9n<\/strong>: D\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u c\u00e1n.<\/li>\n\n<li><strong>\u0110\u1ed3ng h\u1ed3 \u0111o<\/strong>: D\u00f9ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n\n<li><strong>C\u1eaft khu\u00f4n<\/strong>: \u0110\u1ec3 c\u1eaft ph\u1ea7n v\u1eadt li\u1ec7u th\u1eeba ra kh\u1ecfi chi ti\u1ebft \u0111\u00e3 t\u1ea1o h\u00ecnh.<\/li><\/ul><h3 class=\"wp-block-heading\">Th\u00e9p O1 c\u00f3 t\u1ed1t \u0111\u1ec3 l\u00e0m dao kh\u00f4ng?<\/h3><p>C\u00f3, th\u00e9p O1 r\u1ea5t tuy\u1ec7t v\u1eddi cho dao! N\u00f3 gi\u1eef l\u01b0\u1ee1i dao tuy\u1ec7t v\u1eddi, b\u1ec1n v\u00e0 d\u1ec5 m\u00e0i. M\u1eb7c d\u00f9 c\u1ea7n ph\u1ea3i ch\u0103m s\u00f3c nhi\u1ec1u h\u01a1n \u0111\u1ec3 tr\u00e1nh r\u1ec9 s\u00e9t, nh\u01b0ng n\u00f3 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn \u01b0a th\u00edch cho nh\u1eefng con dao b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/p><h2 class=\"wp-block-heading\">S\u1ea3n ph\u1ea9m H\u00ecnh th\u1ee9c c\u1ee7a Th\u00e9p c\u00f4ng c\u1ee5 O1<\/h2><h3 class=\"wp-block-heading\">Thanh v\u00e0 thanh th\u00e9p<\/h3><p>Th\u00e9p c\u00f4ng c\u1ee5 O1 c\u00f3 s\u1eb5n r\u1ed9ng r\u00e3i d\u01b0\u1edbi d\u1ea1ng thanh tr\u00f2n, thanh vu\u00f4ng v\u00e0 thanh ch\u1eef nh\u1eadt. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u00f4ng, s\u1ea3n xu\u1ea5t d\u1ee5ng c\u1ee5 c\u1eaft, khu\u00f4n v\u00e0 \u0111\u1ed3 g\u00e1.<br><\/p><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1eddng k\u00ednh: 1\/8 inch (3,175mm) \u0111\u1ebfn 12 inch (304,8mm)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: Chi\u1ec1u d\u00e0i ti\u00eau chu\u1ea9n th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 3 feet (0,91m) \u0111\u1ebfn 20 feet (6,1m), t\u00f9y thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p.<\/li><\/ul><h3 class=\"wp-block-heading\">C\u1ed5 phi\u1ebfu ph\u1eb3ng m\u1eb7t \u0111\u1ea5t<\/h3><p>Ph\u00f4i ph\u1eb3ng m\u00e0i ch\u00ednh x\u00e1c c\u00f3 s\u1eb5n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi k\u00edch th\u01b0\u1edbc c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n m\u1ecbn. D\u1ea1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 v\u00e0 gia c\u00f4ng ch\u00ednh x\u00e1c.<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed9 d\u00e0y: 1\/16 inch (1,6mm) \u0111\u1ebfn 3\/4 inch (19,05mm)<\/li>\n\n<li>Chi\u1ec1u r\u1ed9ng: 1 inch (25,4mm) \u0111\u1ebfn 12 inch (304,8mm)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: Thay \u0111\u1ed5i, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 2 feet (0,61m) \u0111\u1ebfn 6 feet (1,83m).<\/li><\/ul><h3 class=\"wp-block-heading\">Thanh khoan<\/h3><p>Thanh khoan O1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c. Ch\u00fang th\u01b0\u1eddng c\u00f3 d\u1ea1ng m\u00e0i ho\u1eb7c \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1eddng k\u00ednh: 1\/8 inch (3,175mm) \u0111\u1ebfn 3 inch (76,2mm)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: Th\u01b0\u1eddng l\u00e0 36 inch (0,91m) \u0111\u1ebfn 72 inch (1,83m).<\/li><\/ul><h3 class=\"wp-block-heading\">C\u1ed5 phi\u1ebfu ph\u1eb3ng<\/h3><p>H\u00ecnh th\u1ee9c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t khu\u00f4n, ph\u00f4i v\u00e0 \u0111\u1ee5c.&nbsp;<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed9 d\u00e0y: 1\/8 inch (3,175mm) \u0111\u1ebfn 3 inch (76,2mm)<\/li>\n\n<li>Chi\u1ec1u r\u1ed9ng: 1 inch (25,4mm) \u0111\u1ebfn 12 inch (304,8mm)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: Thay \u0111\u1ed5i t\u00f9y theo nh\u00e0 cung c\u1ea5p, th\u01b0\u1eddng c\u00f3 chi\u1ec1u d\u00e0i t\u1eeb 3 feet (0,91m) \u0111\u1ebfn 12 feet (3,66m).<\/li><\/ul><p><strong><em>T\u1eadp \u0111o\u00e0n SteelPro<\/em><\/strong><em> cung c\u1ea5p <\/em><strong><em>d\u1ecbch v\u1ee5 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh<\/em><\/strong><em> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3, cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ch\u00ednh x\u00e1c v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ea7n k\u00edch th\u01b0\u1edbc chuy\u00ean bi\u1ec7t cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ecd.<\/em><\/p><h2 class=\"wp-block-heading\">Th\u00e9p d\u1ee5ng c\u1ee5 O1 ch\u1ea5t l\u01b0\u1ee3ng cao<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 O1 cao c\u1ea5p \u1edf nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau bao g\u1ed3m ph\u00f4i ph\u1eb3ng m\u00e0i ch\u00ednh x\u00e1c, thanh khoan v\u00e0 thanh tr\u00f2n. S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i c\u00f3 s\u1eb5n \u1edf c\u00e1c k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/cr12mov\/\">th\u00e9p SKD11<\/a>, c\u00f3 kh\u1ea3 n\u0103ng gia c\u00f4ng v\u01b0\u1ee3t tr\u1ed9i.<\/p><p>Ch\u00fang t\u00f4i t\u1ef1 h\u00e0o kh\u00f4ng ch\u1ec9 cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 O1 ch\u1ea5t l\u01b0\u1ee3ng cao m\u00e0 c\u00f2n cung c\u1ea5p d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng v\u00f4 song. H\u00e3y \u0111\u1ec3 SteelPro Group tr\u1edf th\u00e0nh ngu\u1ed3n cung c\u1ea5p m\u1ecdi th\u1ee9 li\u00ean quan \u0111\u1ebfn th\u00e9p c\u00f4ng c\u1ee5 O1 c\u1ee7a b\u1ea1n\u2014n\u01a1i hi\u1ec7u su\u1ea5t k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p d\u1ee5ng c\u1ee5 O1 l\u00e0 g\u00ec? Th\u00e9p d\u1ee5ng c\u1ee5 O1 l\u00e0 lo\u1ea1i th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao, t\u00f4i d\u1ea7u, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 AISI [\u2026]<\/p>","protected":false},"author":12,"featured_media":19796,"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-19805","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\/19805","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=19805"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19805\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19796"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}