{"id":20133,"date":"2024-12-30T06:14:00","date_gmt":"2024-12-29T22:14:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20133"},"modified":"2025-01-14T13:26:53","modified_gmt":"2025-01-14T05:26:53","slug":"cpm-4v","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-4v\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 CPM 4V: Hi\u1ec7u su\u1ea5t v\u00e0 s\u1ea3n ph\u1ea9m"},"content":{"rendered":"<p>SteelPRO Group l\u00e0 nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u v\u1ec1 th\u00e9p c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao, bao g\u1ed3m c\u1ea3 th\u00e9p CPM 4V n\u1ed5i ti\u1ebfng. Cho d\u00f9 b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm thanh th\u00e9p CPM 4V, t\u1ea5m th\u00e9p hay thanh tr\u00f2n, SteelPRO Group lu\u00f4n s\u1eb5n s\u00e0ng cung c\u1ea5p cho b\u1ea1n nh\u1eefng v\u1eadt li\u1ec7u b\u1ea1n c\u1ea7n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p CPM 4V l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p CPM 4V l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 luy\u1ec7n kim b\u1ed9t cao c\u1ea5p \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i. H\u00e0m l\u01b0\u1ee3ng vanadi cao c\u1ee7a n\u00f3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec \u0111\u1ed9 s\u1eafc b\u00e9n c\u1ee7a l\u01b0\u1ee1i dao. So v\u1edbi CPM 3V, n\u00f3 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng c\u1ee5 d\u1eadp m\u1ecbn, n\u00e9n b\u1ed9t v\u00e0 dao hi\u1ec7u su\u1ea5t cao.<\/p><h2 class=\"wp-block-heading\">C\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p CPM 4V v\u00e0 ph\u1ea1m vi cung c\u1ea5p<\/h2><p>T\u1ea1i SteelPRO Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p CPM 4V \u1edf nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 thanh, t\u1ea5m v\u00e0 thanh tr\u00f2n, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng b\u1ec1n, ch\u1ed1ng m\u00e0i m\u00f2n. Cho d\u00f9 b\u1ea1n c\u1ea7n <strong>k\u00edch th\u01b0\u1edbc b\u00ecnh th\u01b0\u1eddng ho\u1eb7c t\u00f9y ch\u1ec9nh<\/strong> <strong>k\u00edch th\u01b0\u1edbc<\/strong>, ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi b\u1ea1n v\u00e0 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho nhu c\u1ea7u v\u1ec1 d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n.&nbsp;<\/p><p>Thanh c\u1ed5 phi\u1ebfu<\/p><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1eddng k\u00ednh: 5 mm \u0111\u1ebfn 250 mm (0,20 inch \u0111\u1ebfn 9,84 inch)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: 100 mm \u0111\u1ebfn 3000 mm (3,94 inch \u0111\u1ebfn 118,11 inch)<\/li><\/ul><p>\u0110\u0129a<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed9 d\u00e0y: 5 mm \u0111\u1ebfn 100 mm (0,20 inch \u0111\u1ebfn 3,94 inch)<\/li>\n\n<li>Chi\u1ec1u r\u1ed9ng: 100 mm \u0111\u1ebfn 2500 mm (3,94 inch \u0111\u1ebfn 98,43 inch)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: 200 mm \u0111\u1ebfn 6000 mm (7,87 inch \u0111\u1ebfn 236,22 inch)<\/li><\/ul><p>Thanh tr\u00f2n<\/p><ul class=\"wp-block-list\"><li>\u0110\u01b0\u1eddng k\u00ednh: 5 mm \u0111\u1ebfn 100 mm (0,20 inch \u0111\u1ebfn 3,94 inch)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: 100 mm \u0111\u1ebfn 3000 mm (3,94 inch \u0111\u1ebfn 118,11 inch)<\/li><\/ul><p>Ph\u00f4i c\u00f4ng c\u1ee5<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed9 d\u00e0y: 10 mm \u0111\u1ebfn 100 mm (0,39 inch \u0111\u1ebfn 3,94 inch)<\/li>\n\n<li>Chi\u1ec1u r\u1ed9ng: 20 mm \u0111\u1ebfn 250 mm (0,79 inch \u0111\u1ebfn 9,84 inch)<\/li>\n\n<li>Chi\u1ec1u d\u00e0i: 50 mm \u0111\u1ebfn 500 mm (1,97 inch \u0111\u1ebfn 19,69 inch)<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p CPM 4V<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>Ph\u1ea7n tr\u0103m (%)<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>1.35<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>5<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>85.65<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.4<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>2.95<\/td><\/tr><tr><td>Silic (Si)<\/td><td>0.8<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>3.85<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p CPM 4V<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>H\u1ec7 m\u00e9t<\/strong><\/td><td><strong>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,70 g\/cm\u00b3<\/td><td>0,278 lb\/in\u00b3<\/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 nhi\u1ec7t<\/td><td>25 W\/m\u00b7K<\/td><td>14,4 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>5,6 \u00b5m\/m\u00b7\u00b0C<\/td><td>3,1 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1.375 \u00b0C<\/td><td>2.507 \u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p CPM 4V<\/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 (HRC)<\/td><td>44-64 HRC<\/td><td>44-64 HRC<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>207 GPa<\/td><td>30 x 10\u2076 psi<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>50-60%<\/td><td>50-60%<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>5-10 %<\/td><td>5-10 %<\/td><\/tr><tr><td>Gi\u1ea3m Di\u1ec7n T\u00edch<\/td><td>50 %<\/td><td>50 %<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.28<\/td><td>0.28<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p CPM 4V<\/h2><p>Ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 CPM 4V \u1edf tr\u1ea1ng th\u00e1i \u1ee7, cho ph\u00e9p t\u00f4i luy\u1ec7n v\u00e0 gia c\u00f4ng t\u00f9y ch\u1ec9nh d\u1ec5 d\u00e0ng h\u01a1n. Th\u00e9p CPM 4V c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb cho giai \u0111o\u1ea1n ti\u1ebfp theo trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>Th\u00e9p \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn <strong>816-845\u00b0C (1500-1550\u00b0F)<\/strong> v\u00e0 ng\u00e2m trong <strong>2-4 gi\u1edd<\/strong>. Sau \u0111\u00f3, th\u00e9p s\u1ebd ngu\u1ed9i d\u1ea7n, trong l\u00f2 ho\u1eb7c trong kh\u00f4ng kh\u00ed t\u0129nh, cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng d\u01b0\u1edbi <strong>52\u00b0C (125\u00b0F)<\/strong>.&nbsp;<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p><strong>L\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/strong><\/p><p>\u0110\u1ea7u ti\u00ean, th\u00e9p \u0111\u01b0\u1ee3c nung \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 816-845\u00b0C (1500-1550\u00b0F) \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 d\u1ea7n c\u00e2n b\u1eb1ng tr\u01b0\u1edbc khi chuy\u1ec3n sang nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n.<\/p><p><strong>Austenit h\u00f3a<\/strong><\/p><p>Sau khi nung n\u00f3ng s\u01a1 b\u1ed9, th\u00e9p \u0111\u01b0\u1ee3c nung n\u00f3ng nhanh \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 austenit h\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/p><p>Sau \u0111\u00e2y l\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb:<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1i \u0111a: 1149\u00b0C (2100\u00b0F) trong 15 ph\u00fat.<\/li>\n\n<li>\u0110\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n: 1024-1065\u00b0C (1875-1950\u00b0F) trong 30 ph\u00fat.<\/li>\n\n<li>\u0110\u1ec3 c\u00f3 \u0111\u1ed9 d\u1ebbo dai t\u1ed1i \u0111a: 982\u00b0C (1800\u00b0F) trong 30 ph\u00fat.<\/li><\/ul><p><strong>L\u00e0m ngu\u1ed9i<\/strong><\/p><p>Sau khi austenit h\u00f3a, th\u00e9p CPM 4V ph\u1ea3i \u0111\u01b0\u1ee3c t\u00f4i \u0111\u1ec3 gi\u1eef \u0111\u1ed9 c\u1ee9ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kh\u00f4ng kh\u00ed, kh\u00ed n\u00e9n, d\u1ea7u \u1ea5m ho\u1eb7c mu\u1ed1i \u0111\u1ec3 t\u00f4i.<\/p><p>V\u1eady, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i th\u00e9p CPM 4V trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau?<\/p><ul class=\"wp-block-list\"><li>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed: Th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i ch\u1ec9 b\u1eb1ng c\u00e1ch ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u00edt g\u00e2y h\u1ea1i nh\u1ea5t.<\/li>\n\n<li>Kh\u00ed n\u00e9n: S\u1eed d\u1ee5ng kh\u00ed \u1edf \u00e1p su\u1ea5t cao h\u01a1n, th\u01b0\u1eddng l\u00e0 4 bar (58 psi).<\/li>\n\n<li>L\u00e0m ngu\u1ed9i b\u1eb1ng d\u1ea7u: Th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i cho \u0111\u1ebfn khi chuy\u1ec3n sang m\u00e0u \u0111en, th\u01b0\u1eddng \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 482\u00b0C (900\u00b0F), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i trong kh\u00f4ng kh\u00ed t\u0129nh \u0111\u1ebfn kho\u1ea3ng 51-66\u00b0C (125-150\u00b0F).<\/li>\n\n<li>L\u00e0m ngu\u1ed9i b\u1eb1ng mu\u1ed1i: Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ed3n mu\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c 538-593\u00b0C (1000-1100\u00b0F), \u0111\u1ec3 th\u00e9p ngu\u1ed9i \u0111\u1ec1u tr\u01b0\u1edbc khi chuy\u1ec3n sang kh\u00f4ng kh\u00ed t\u0129nh \u0111\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.&nbsp;<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh n\u00e0y l\u00e0 <strong>524-593\u00b0C (1000-1100\u00b0F)<\/strong>. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m d\u1ecbu xu\u1ed1ng d\u01b0\u1edbi <strong>150\u00b0C (300\u00b0F)<\/strong>v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p CPM 4V<\/h2><p>Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a Th\u00e9p CPM 4V:<\/p><ul class=\"wp-block-list\"><li><strong>D\u1ee5ng c\u1ee5 c\u1eaft<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f4ng nghi\u1ec7p <strong>l\u01b0\u1ee1i c\u1eaft<\/strong>, <strong>c\u01b0a c\u1eaft<\/strong>, V\u00e0 <strong>dao ch\u00ednh x\u00e1c<\/strong>.<\/li>\n\n<li><strong>C\u00f4ng c\u1ee5 t\u1ea1o h\u00ecnh<\/strong>: L\u00fd t\u01b0\u1edfng cho <strong>\u0111\u1ea5m<\/strong>, <strong>ch\u1ebft<\/strong>, V\u00e0 <strong>l\u01b0\u1ee1i c\u1eaft<\/strong> trong ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng t\u1ea5m kim lo\u1ea1i v\u00e0 d\u1eadp.<\/li>\n\n<li><strong>Khu\u00f4n m\u1eabu<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <strong>khu\u00f4n \u00e9p nh\u1ef1a<\/strong> V\u00e0 <strong>khu\u00f4n \u0111\u00fac khu\u00f4n<\/strong> \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao.<\/li>\n\n<li><strong>Linh ki\u1ec7n d\u1ee5ng c\u1ee5<\/strong>: \u0110\u01b0\u1ee3c \u00e1p d\u1ee5ng trong <strong>c\u00f4ng c\u1ee5 lu\u1ed3n ch\u1ec9<\/strong>, <strong>m\u00e1y doa<\/strong>, V\u00e0 <strong>m\u00e1y c\u1eaft phay<\/strong> cho c\u00e1c nhi\u1ec7m v\u1ee5 gia c\u00f4ng ch\u00ednh x\u00e1c.<\/li><\/ul><h2 class=\"wp-block-heading\">CPM 4V so v\u1edbi CPM S35VN<\/h2><p>CPM 4V c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng nh\u01b0 c\u1eaft ph\u00f4i m\u1ecbn v\u00e0 dao hi\u1ec7u su\u1ea5t cao. Th\u00e0nh ph\u1ea7n gi\u00e0u vanadi c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng gi\u1eef c\u1ea1nh tuy\u1ec7t v\u1eddi.<\/p><p><a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-s35vn\/\">Th\u00e9p CPM S35VN<\/a>M\u1eb7t kh\u00e1c, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u00e2n b\u1eb1ng, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n t\u1ed1t, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1ed5 sung. N\u00f3 ho\u00e0n h\u1ea3o cho c\u00e1c lo\u1ea1i dao v\u00e0 d\u1ee5ng c\u1ee5 cao c\u1ea5p, trong \u0111\u00f3 \u0111\u1ed9 s\u1eafc b\u00e9n c\u1ee7a l\u01b0\u1ee1i dao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p><h2 class=\"wp-block-heading\">Gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n cho CPM 4V Steel v\u00e0 h\u01a1n th\u1ebf n\u1eefa<\/h2><p>SteelPRO Group cung c\u1ea5p th\u00e9p CPM 4V v\u00e0 nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/cr12mov\/\">Ng\u00e0y 2<\/a> V\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/h13\/\">Th\u00e9p d\u1ee5ng c\u1ee5 H13<\/a>. T\u1eeb vi\u1ec7c \u0111\u1ecbnh c\u1ee1 t\u00f9y ch\u1ec9nh \u0111\u1ebfn x\u1eed l\u00fd b\u1ec1 m\u1eb7t ti\u00ean ti\u1ebfn v\u00e0 m\u00e0i ch\u00ednh x\u00e1c, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea1n c\u1ea7n cho nh\u1eefng d\u1ef1 \u00e1n kh\u00f3 kh\u0103n nh\u1ea5t c\u1ee7a b\u1ea1n.<\/p><p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1ch ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n m\u00e1y m\u00f3c v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n. V\u1edbi SteelPRO, b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 tin c\u1eady, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 chuy\u00ean m\u00f4n, t\u1ea5t c\u1ea3 trong m\u1ed9t.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPRO Group l\u00e0 nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u c\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao, bao g\u1ed3m c\u1ea3 th\u00e9p CPM 4V n\u1ed5i ti\u1ebfng. Cho d\u00f9 b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm [\u2026]<\/p>","protected":false},"author":12,"featured_media":20122,"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-20133","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\/20133","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=20133"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20133\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20122"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}