{"id":20450,"date":"2025-01-17T08:33:00","date_gmt":"2025-01-17T00:33:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20450"},"modified":"2025-01-20T10:20:12","modified_gmt":"2025-01-20T02:20:12","slug":"made-2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/process\/made\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c l\u00e0m nh\u01b0 th\u1ebf n\u00e0o: Quy tr\u00ecnh s\u1ea3n xu\u1ea5t"},"content":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 l\u00e0 h\u1ee3p kim cao c\u1ea5p \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 gi\u1eef nhi\u1ec7t, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft, khu\u00f4n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a n\u00f3 bao g\u1ed3m h\u1ee3p kim h\u00f3a, n\u1ea5u ch\u1ea3y, \u0111\u00fac, r\u00e8n, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 ho\u00e0n thi\u1ec7n ch\u00ednh x\u00e1c.<\/p><p>L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p d\u00e0y d\u1ea1n kinh nghi\u1ec7m, ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t chi ti\u1ebft c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5. N\u1ebfu b\u1ea1n c\u1ea7n b\u1ea5t k\u1ef3 s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 n\u00e0o, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u00ec?<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 cacbon 0,5% \u0111\u1ebfn 1,5%. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ch\u00ednh nh\u01b0 crom, vanadi, molypden, vonfram, mangan v\u00e0 silic \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u1ea1o th\u00e0nh cacbua, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p><p>H\u01a1n m\u1ed9t n\u1eeda th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb kim lo\u1ea1i ph\u1ebf li\u1ec7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 th\u00fac \u0111\u1ea9y t\u00ednh b\u1ec1n v\u1eefng. D\u1ef1a tr\u00ean kinh nghi\u1ec7m s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i, t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng ph\u1ebf li\u1ec7u kh\u00f4ng c\u00f3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nh\u01b0 d\u1ea7u v\u00e0 s\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5.<\/p><p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm nguy\u00ean li\u1ec7u th\u00f4 cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, SteelPro Group c\u00f3 th\u1ec3 cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t dung sai nghi\u00eam ng\u1eb7t.<\/p><h2 class=\"wp-block-heading\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5<\/h2><h3 class=\"wp-block-heading\">1. N\u1ea5u ch\u1ea3y v\u00e0 tinh ch\u1ebf<\/h3><p>H\u1ea7u h\u1ebft th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>L\u00f2 h\u1ed3 quang \u0111i\u1ec7n (EAF)<\/strong> v\u00ec n\u00f3 hi\u1ec7u qu\u1ea3, linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf. Tuy nhi\u00ean, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ebf kh\u00e1c nh\u01b0 <strong>N\u1ea5u ch\u1ea3y x\u1ec9 \u0111i\u1ec7n (ESR)<\/strong> V\u00e0 <strong>Luy\u1ec7n kim b\u1ed9t (P\/M)<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3, \u0111\u1eb7c t\u00ednh mong mu\u1ed1n ho\u1eb7c nhu c\u1ea7u \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ch\u00fang.<\/p><ul class=\"wp-block-list\"><li><strong>L\u00f2 h\u1ed3 quang \u0111i\u1ec7n (EAF)<\/strong><\/li><\/ul><p>L\u00f2 h\u1ed3 quang \u0111i\u1ec7n (EAF) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 n\u1ea5u ch\u1ea3y th\u00e9p c\u00f4ng c\u1ee5. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng quy tr\u00ecnh EAF khi s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf v\u00ec \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. N\u00f3 c\u0169ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p><p><strong>Qu\u00e1 tr\u00ecnh:<\/strong><\/p><p>Trong quy tr\u00ecnh EAF, ph\u1ebf li\u1ec7u th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 v\u00e0 n\u1ea5u ch\u1ea3y b\u1eb1ng h\u1ed3 quang \u0111i\u1ec7n m\u1ea1nh. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc mong mu\u1ed1n. Sau \u0111\u00f3, th\u00e9p n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c tinh ch\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t. Sau khi tinh ch\u1ebf, th\u00e9p \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o khu\u00f4n \u0111\u1ec3 t\u1ea1o th\u00e0nh th\u1ecfi, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u1ee7 \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong.<\/p><ul class=\"wp-block-list\"><li><strong>N\u1ea5u ch\u1ea3y x\u1ec9 \u0111i\u1ec7n (ESR)<\/strong><\/li><\/ul><p>Electroslag Melting (ESR) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt tinh luy\u1ec7n ti\u00ean ti\u1ebfn. N\u00f3 \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn ESR khi \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t tuy\u1ec7t v\u1eddi l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng th\u00e9p c\u00f4ng c\u1ee5.<\/p><p><strong>Qu\u00e1 tr\u00ecnh:<\/strong><\/p><p>\u0110i\u1ec7n c\u1ef1c th\u00e9p ti\u00eau hao \u0111\u01b0\u1ee3c nh\u00fang trong m\u1ed9t b\u1ec3 x\u1ec9 n\u00f3ng ch\u1ea3y b\u00ean trong khu\u00f4n l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc. M\u1ed9t d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u0111i\u1ec7n c\u1ef1c, khi\u1ebfn n\u00f3 tan ch\u1ea3y v\u00e0 nh\u1ecf gi\u1ecdt v\u00e0o x\u1ec9. Khi th\u00e9p n\u00f3ng ch\u1ea3y \u0111i qua x\u1ec9, t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00e0 th\u00e9p \u0111\u00f4ng \u0111\u1eb7c th\u00e0nh m\u1ed9t th\u1ecfi \u0111\u1ed3ng nh\u1ea5t v\u1edbi c\u1ea5u tr\u00fac vi m\u00f4 tinh ch\u1ebf.<\/p><ul class=\"wp-block-list\"><li><strong>Luy\u1ec7n kim b\u1ed9t (PM)<\/strong><\/li><\/ul><p>Luy\u1ec7n kim b\u1ed9t (PM) l\u00e0 m\u1ed9t quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 h\u1ee3p kim cao v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 cacbua \u0111\u1ed3ng \u0111\u1ec1u. Ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng Luy\u1ec7n kim b\u1ed9t khi s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 th\u00e0nh ph\u1ea7n h\u1ee3p kim ph\u1ee9c t\u1ea1p kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y truy\u1ec1n th\u1ed1ng. N\u00f3 c\u0169ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c h\u00ecnh d\u1ea1ng c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c v\u00e0 ph\u1ee9c t\u1ea1p v\u1edbi l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u00e3ng ph\u00ed t\u1ed1i thi\u1ec3u<\/p><p><strong>Qu\u00e1 tr\u00ecnh:<\/strong><\/p><p>Trong qu\u00e1 tr\u00ecnh n\u00e0y, b\u1ed9t kim lo\u1ea1i \u0111\u01b0\u1ee3c tr\u1ed9n c\u1ea9n th\u1eadn v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim v\u00e0 \u0111\u01b0\u1ee3c n\u00e9n ch\u1eb7t th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n b\u1eb1ng khu\u00f4n. Sau \u0111\u00f3, b\u1ed9t n\u00e9n \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 cao, khi\u1ebfn c\u00e1c h\u1ea1t li\u00ean k\u1ebft v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i r\u1eafn. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i cacbua m\u1ecbn v\u00e0 \u0111\u1ec1u, t\u0103ng kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 ph\u1ea3n \u1ee9ng l\u00e0m c\u1ee9ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5.<\/p><h3 class=\"wp-block-heading\">2. \u0110\u00fac<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u00fac li\u00ean t\u1ee5c<\/strong><\/li><\/ul><p>\u0110\u00fac li\u00ean t\u1ee5c li\u00ean quan \u0111\u1ebfn d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh c\u1ee7a th\u00e9p n\u00f3ng ch\u1ea3y v\u00e0o khu\u00f4n \u0111\u00e3 ngu\u1ed9i, t\u1ea1o ra c\u00e1c s\u1ee3i d\u00e0i, \u0111\u1ed3ng nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u00f4ng \u0111\u1eb7c nhanh ch\u00f3ng v\u00e0 c\u00e1n tr\u1ef1c ti\u1ebfp th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y mang l\u1ea1i hi\u1ec7u qu\u1ea3 v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n cao, l\u00fd t\u01b0\u1edfng cho s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u00fac th\u1ecfi<\/strong><\/li><\/ul><p>\u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u1ed5 th\u00e9p n\u00f3ng ch\u1ea3y v\u00e0o c\u00e1c khu\u00f4n l\u1edbn, c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c kh\u1ed1i ri\u00eang bi\u1ec7t. M\u1eb7c d\u00f9 ch\u1eadm h\u01a1n v\u00e0 t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c h\u01a1n, \u0111\u00fac th\u1ecfi cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i v\u00e0 c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim chuy\u00ean d\u1ee5ng. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 cao c\u1ea5p \u0111\u00f2i h\u1ecfi s\u1ef1 tinh ch\u1ec9nh c\u1ea5u tr\u00fac vi m\u00f4 t\u1ec9 m\u1ec9.<\/p><h3 class=\"wp-block-heading\">3. R\u00e8n n\u00f3ng v\u00e0 c\u00e1n n\u00f3ng<\/h3><p>R\u00e8n n\u00f3ng v\u00e0 c\u00e1n l\u00e0 nh\u1eefng b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh th\u00e9p c\u00f4ng c\u1ee5 v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a n\u00f3. Trong qu\u00e1 tr\u00ecnh r\u00e8n n\u00f3ng, c\u00e1c th\u1ecfi \u0111\u01b0\u1ee3c gia nhi\u1ec7t \u0111\u01b0\u1ee3c \u00e9p b\u1eb1ng khu\u00f4n \u00e1p su\u1ea5t cao \u0111\u1ec3 t\u1ea1o th\u00e0nh ph\u00f4i, thanh ho\u1eb7c c\u00e1c h\u00ecnh d\u1ea1ng s\u01a1 b\u1ed9 kh\u00e1c. Sau \u0111\u00f3 c\u00e1n ti\u1ebfp t\u1ee5c tinh ch\u1ec9nh c\u00e1c h\u00ecnh d\u1ea1ng n\u00e0y b\u1eb1ng c\u00e1ch \u0111\u01b0a th\u00e9p qua nhi\u1ec1u m\u00e1y c\u00e1n, \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 d\u00e0y \u0111\u1ed3ng \u0111\u1ec1u.<\/p><p>Ch\u00fang t\u00f4i \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t qu\u00e1n v\u00e0 dung sai nghi\u00eam ng\u1eb7t th\u00f4ng qua m\u00e1y m\u00f3c ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng m\u00e1y t\u00ednh v\u00e0 gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c. C\u00e1c \u0111\u1ee3t ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi l\u00f4 th\u00e9p c\u00f4ng c\u1ee5 \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t cao nh\u1ea5t.<\/p><h3 class=\"wp-block-heading\">4. V\u1ebd n\u00f3ng v\u00e0 l\u1ea1nh<\/h3><p><strong>V\u1ebd n\u00f3ng<\/strong> bao g\u1ed3m vi\u1ec7c k\u00e9o th\u00e9p c\u00f4ng c\u1ee5 qua khu\u00f4n \u1edf nhi\u1ec7t \u0111\u1ed9 cao, th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 540 \u00b0C (1000 \u00b0F). Qu\u00e1 tr\u00ecnh n\u00e0y t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 d\u1ebbo, cho ph\u00e9p gi\u1ea3m \u0111\u00e1ng k\u1ec3 ti\u1ebft di\u1ec7n m\u00e0 kh\u00f4ng b\u1ecb g\u00e3y. C\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u l\u1ea7n gia c\u00f4ng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng v\u00e0 s\u1ed1 \u0111o mong mu\u1ed1n.&nbsp;<\/p><p><strong>V\u1ebd l\u1ea1nh<\/strong> \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 g\u1ea7n nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t tuy\u1ec7t v\u1eddi. Do th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ed9 d\u1ebbo h\u1ea1n ch\u1ebf, k\u00e9o ngu\u1ed9i th\u01b0\u1eddng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u1ed9t l\u1ea7n k\u00e9o nh\u1eb9 \u0111\u1ec3 tr\u00e1nh g\u00e3y.&nbsp;<\/p><h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c nhau v\u00e0 quy tr\u00ecnh kh\u00e1c nhau<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh s\u00e1u lo\u1ea1i ri\u00eang bi\u1ec7t d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p><ul class=\"wp-block-list\"><li>L\u00e0m c\u1ee9ng b\u1eb1ng n\u01b0\u1edbc (D\u00f2ng W)<\/li><\/ul><p>\u0110\u00fac th\u1ecfi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho th\u00e9p c\u00f4ng c\u1ee5 W-Series. Do th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n n\u00ean kh\u00f4ng c\u1ea7n c\u00e1c k\u1ef9 thu\u1eadt \u0111\u00fac ti\u00ean ti\u1ebfn nh\u01b0 ESR ho\u1eb7c PM.<\/p><ul class=\"wp-block-list\"><li>L\u00e0m vi\u1ec7c ngu\u1ed9i (D\u00f2ng O, A, D)<\/li><\/ul><p>Y\u00eau c\u1ea7u ph\u00e2n t\u00e1ch t\u1ed1i thi\u1ec3u v\u00e0 ph\u00e2n b\u1ed1 cacbua \u0111\u1ed3ng \u0111\u1ec1u, th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua ESR ho\u1eb7c VAR (N\u1ea5u ch\u1ea3y l\u1ea1i b\u1eb1ng h\u1ed3 quang ch\u00e2n kh\u00f4ng) \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 t\u0103ng c\u01b0\u1eddng t\u00ednh \u0111\u1ed3ng nh\u1ea5t.<\/p><ul class=\"wp-block-list\"><li>Ch\u1ed1ng s\u1ed1c (D\u00f2ng S)<\/li><\/ul><p>Ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y l\u1ea1i b\u1eb1ng h\u1ed3 quang ch\u00e2n kh\u00f4ng (VAR) th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i th\u00e9p n\u00e0y, \u0111\u1ea3m b\u1ea3o l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t t\u1ed1i thi\u1ec3u v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 tinh t\u1ebf.&nbsp;<\/p><ul class=\"wp-block-list\"><li>Gia c\u00f4ng n\u00f3ng (D\u00f2ng H)<\/li><\/ul><p>T\u1eadn d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac li\u00ean t\u1ee5c gi\u00fap t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac vi m\u00f4 b\u1ec1n v\u00e0 \u0111\u00e0n h\u1ed3i th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao.<\/p><ul class=\"wp-block-list\"><li>T\u1ed1c \u0111\u1ed9 cao (D\u00f2ng M, T)<\/li><\/ul><p>Y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i ch\u00ednh x\u00e1c \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac martensitic c\u1ee9ng v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n. \u0110\u00fac th\u1ecfi v\u1edbi l\u00e0m ngu\u1ed9i c\u00f3 ki\u1ec3m so\u00e1t ho\u1eb7c \u0111\u00fac li\u00ean t\u1ee5c sau \u0111\u00f3 l\u00e0m ngu\u1ed9i nhanh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng.<\/p><ul class=\"wp-block-list\"><li>Luy\u1ec7n kim b\u1ed9t (D\u00f2ng PM)<\/li><\/ul><p>Luy\u1ec7n kim b\u1ed9t (P\/M) th\u01b0\u1eddng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho c\u00e1c lo\u1ea1i th\u00e9p chuy\u00ean d\u1ee5ng n\u00e0y. Ngo\u00e0i ra, Quy tr\u00ecnh Osprey c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 h\u1ea1t m\u1ecbn, \u0111\u1ed3ng \u0111\u1ec1u cao, ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u00f4ng nghi\u1ec7p c\u1ee5 th\u1ec3.<\/p><p>N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft th\u00eam v\u1ec1 c\u00e1c lo\u1ea1i v\u00e0 c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c nhau, vui l\u00f2ng <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/\">nh\u1ea5p v\u00e0o \u0111\u00e2y<\/a>.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 cao c\u1ea5p t\u1eeb SteelPro Group<\/h2><p>S\u1eb5n s\u00e0ng n\u00e2ng cao d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u1edbi th\u00e9p c\u00f4ng c\u1ee5 cao c\u1ea5p? Th\u00e9p c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t chuy\u00ean nghi\u1ec7p c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 m\u00e1y m\u00f3c c\u1ee7a b\u1ea1n. H\u1ee3p t\u00e1c v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a ng\u00e0nh b\u1ea1n.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p d\u1ee5ng c\u1ee5 l\u00e0 h\u1ee3p kim cao c\u1ea5p \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 gi\u1eef nhi\u1ec7t, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1eaft [...]<\/p>","protected":false},"author":12,"featured_media":20451,"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":[4304,4293],"tags":[],"class_list":["post-20450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20450","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=20450"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20450\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20451"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}