{"id":20095,"date":"2024-12-27T10:57:00","date_gmt":"2024-12-27T02:57:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20095"},"modified":"2025-02-06T23:49:49","modified_gmt":"2025-02-06T15:49:49","slug":"cpm-9v","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-9v\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 CPM 9V b\u1eb1ng kim lo\u1ea1i b\u1ed9t"},"content":{"rendered":"<p>SteelPro Group cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 CPM 9V, m\u1ed9t v\u1eadt li\u1ec7u cao c\u1ea5p \u0111\u01b0\u1ee3c tin c\u1eady v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u1eafc ch\u1eafn. Cho d\u00f9 b\u1ea1n mu\u1ed1n thanh tr\u00f2n ch\u1ea5t l\u01b0\u1ee3ng cao, thanh ph\u1eb3ng hay h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh, ch\u00fang t\u00f4i \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng. \u0110\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n!<\/p><h2 class=\"wp-block-heading\">Th\u00e9p CPM 9V l\u00e0 g\u00ec?<\/h2><p>CPM 9V l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 gia c\u00f4ng ngu\u1ed9i hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua quy tr\u00ecnh Luy\u1ec7n kim h\u1ea1t Crucible (CPM). Th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, \u0111\u1ed9 b\u1ec1n cao v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n t\u1ed1t. C\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u00e9p c\u00f3 s\u1ef1 ph\u00e2n t\u00e1n m\u1ecbn c\u1ee7a c\u00e1c cacbua, gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3.<\/p><p>CPM 9V \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft c\u00f4ng nghi\u1ec7p, khu\u00f4n t\u1ea1o h\u00ecnh v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n m\u00e1y m\u00f3c, n\u01a1i m\u00e0 c\u1ea3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 tu\u1ed5i th\u1ecd k\u00e9o d\u00e0i \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 ki\u1ec3m tra nhi\u1ec7t ho\u1eb7c n\u1ee9t l\u00e0 ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c ch\u00ednh. Do kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu h\u1ea1n ch\u1ebf \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t c\u1ef1c \u0111\u1ed9, n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t ho\u1eb7c ti\u1ebfp x\u00fac k\u00e9o d\u00e0i v\u01b0\u1ee3t qu\u00e1 1050\u20131100\u00b0F.<\/p><h3 class=\"wp-block-heading\">So s\u00e1nh gi\u1eefa th\u00e9p CPM 9V v\u00e0 c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c<\/h3><p>C\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh c\u1ee7a CPM 9V b\u1eaft ngu\u1ed3n t\u1eeb n\u00f3 <strong>h\u00e0m l\u01b0\u1ee3ng vanadi cacbua cao<\/strong>, cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i, trong khi <strong>h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n<\/strong> t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 d\u1ebbo dai. So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c:<\/p><ul class=\"wp-block-list\"><li>CPM 10V c\u00f3 <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n<\/strong>, trong khi CPM 9V c\u00f3 <strong>\u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c ch\u1ecbu va \u0111\u1eadp t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3<\/strong>, l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ch\u1ecbu l\u1ef1c c\u01a1 h\u1ecdc l\u1edbn.<\/li>\n\n<li>CPM 9V c\u00f3 <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n<\/strong> h\u01a1n D2, l\u00e0m cho n\u00f3 b\u1ec1n h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh, trong khi D2 l\u00e0 <strong>r\u1ebb h\u01a1n v\u00e0 d\u1ec5 gia c\u00f4ng h\u01a1n<\/strong>.<\/li>\n\n<li>1.2343 l\u1eddi \u0111\u1ec1 ngh\u1ecb <strong>\u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ki\u1ec3m tra nhi\u1ec7t<\/strong>, trong khi CPM 9V cung c\u1ea5p <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n cao<\/strong>, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng l\u00e0m vi\u1ec7c l\u1ea1nh c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u00e0i m\u00f2n nghi\u00eam tr\u1ecdng.<\/li><\/ul><h2 class=\"wp-block-heading\">C\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p CPM 9V v\u00e0 ph\u1ea1m vi cung c\u1ea5p<\/h2><p>Ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m th\u00e9p CPM 9V, bao g\u1ed3m thanh tr\u00f2n, thanh ph\u1eb3ng v\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh kh\u00e1c. S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi dung sai \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u. Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh n\u1ebfu b\u1ea1n c\u1ea7n k\u00edch th\u01b0\u1edbc v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi ti\u00eau chu\u1ea9n c\u1ee7a ch\u00fang t\u00f4i.<\/p><h3 class=\"wp-block-heading\">Thanh tr\u00f2n<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u01b0\u1eddng k\u00ednh<\/strong>: 12,7 mm (0,5 in) \u0111\u1ebfn 152,4 mm (6 in)<\/li><\/ul><h3 class=\"wp-block-heading\">Thanh ph\u1eb3ng<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: 6 mm (0,24 in) \u0111\u1ebfn 50 mm (2 in)<\/li>\n\n<li><strong>Chi\u1ec1u r\u1ed9ng<\/strong>: 25 mm (1 in) \u0111\u1ebfn 200 mm (8 in)<\/li><\/ul><h3 class=\"wp-block-heading\">T\u1ea5m v\u00e0 T\u1ea5m<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: 0,5 mm (0,02 in) \u0111\u1ebfn 100 mm (4 in)<\/li>\n\n<li><strong>Chi\u1ec1u r\u1ed9ng<\/strong>: 100 mm (4 in) \u0111\u1ebfn 600 mm (24 in)<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p CPM 9V<\/h2><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>1.9<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>5.25<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>82.45<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>1.3<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>9.1<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p CPM 9V<\/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>7,45 g\/cc<\/td><td>0,269 lb\/in\u00b3<\/td><\/tr><tr><td>CTE, Tuy\u1ebfn t\u00ednh (20,0 \u2013 90,0\u00b0C \/ 68,0 \u2013 194\u00b0F)<\/td><td>11,07 \u00b5m\/m\u00b7\u00b0C<\/td><td>6,150 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>CTE, Tuy\u1ebfn t\u00ednh (20,0 \u2013 200\u00b0C \/ 68,0 \u2013 392\u00b0F)<\/td><td>11,18 \u00b5m\/m\u00b7\u00b0C<\/td><td>6,211 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>CTE, Tuy\u1ebfn t\u00ednh (20,0 \u2013 430\u00b0C \/ 68,0 \u2013 806\u00b0F)<\/td><td>11,61 \u00b5m\/m\u00b7\u00b0C<\/td><td>6,450 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (20\u00b0C \/ 68\u00b0F)<\/td><td>20,48 W\/m\u00b7K<\/td><td>142,1 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (100\u00b0C \/ 212\u00b0F)<\/td><td>21,6 W\/m\u00b7K<\/td><td>150 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (300\u00b0C \/ 572\u00b0F)<\/td><td>25,25 W\/m\u00b7K<\/td><td>175,2 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1430\u00b0C<\/td><td>2606\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>0,45 J\/kg\u00b7K<\/td><td>0,11 BTU\/lb\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p CPM 9V<\/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><td><strong>Ghi ch\u00fa<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Brinell<\/td><td>223 &#8211; 255<\/td><td>223 &#8211; 255<\/td><td>\u1ee6<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Rockwell C<\/td><td>54 &#8211; 56<\/td><td>54 &#8211; 56<\/td><td>&#8211;<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>221 GPa<\/td><td>32100 ksi<\/td><td>&#8211;<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/td><td>4136MPa<\/td><td>599900 psi<\/td><td>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i c\u1ee9ng 1120\u00b0C (2048\u00b0F), Nhi\u1ec7t \u0111\u1ed9 t\u00f4i 540\u00b0C (1004\u00b0F)<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/td><td>4177MPa<\/td><td>605800 psi<\/td><td>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i c\u1ee9ng 1175\u00b0C (2147\u00b0F), Nhi\u1ec7t \u0111\u1ed9 t\u00f4i 550\u00b0C (1022\u00b0F)<\/td><\/tr><tr><td>T\u00e1c \u0111\u1ed9ng Charpy<\/td><td>35,0 J<\/td><td>25,8 ft-lb<\/td><td>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i c\u1ee9ng 1175\u00b0C (2147\u00b0F), Nhi\u1ec7t \u0111\u1ed9 t\u00f4i 550\u00b0C (1022\u00b0F)<\/td><\/tr><tr><td>T\u00e1c \u0111\u1ed9ng Charpy<\/td><td>63,0 J<\/td><td>46,5 ft-lb<\/td><td>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i c\u1ee9ng 1120\u00b0C (2048\u00b0F), Nhi\u1ec7t \u0111\u1ed9 t\u00f4i 540\u00b0C (1004\u00b0F)<\/td><\/tr><tr><td>T\u00e1c \u0111\u1ed9ng Charpy<\/td><td>99,0 J<\/td><td>73,0 ft-lb<\/td><td>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i c\u1ee9ng 1065\u00b0C, Nhi\u1ec7t \u0111\u1ed9 t\u00f4i 595\u00b0C (1103\u00b0F)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p CPM 9V<\/h2><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>\u0110un n\u00f3ng \u0111\u1ebfn 900\u00b0C (1650\u00b0F) v\u00e0 gi\u1eef trong 2 gi\u1edd.<\/p><p>L\u00e0m ngu\u1ed9i ch\u1eadm v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng qu\u00e1 15\u00b0C (30\u00b0F) m\u1ed9t gi\u1edd xu\u1ed1ng 540\u00b0C (1000\u00b0F), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i b\u1eb1ng l\u00f2 ho\u1eb7c l\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/p><p>\u0110\u1ed9 c\u1ee9ng khi t\u00f4i luy\u1ec7n: Kho\u1ea3ng BHN 223-255.<\/p><h3 class=\"wp-block-heading\">Gi\u1ea3m c\u0103ng th\u1eb3ng<\/h3><p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 \u1ee7: \u0110un n\u00f3ng \u0111\u1ebfn 595-700\u00b0C (1100-1300\u00b0F), gi\u1eef trong 2 gi\u1edd, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i trong l\u00f2 ho\u1eb7c \u0111\u1ec3 ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed.<\/p><p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 c\u1ee9ng: L\u00e0m n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n 15\u00b0C (25-30\u00b0F) so v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u00f4i ban \u0111\u1ea7u, gi\u1eef trong 2 gi\u1edd, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i trong l\u00f2 ho\u1eb7c \u0111\u1ec3 ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p>\u0110\u1ea7u ti\u00ean, l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 816-845\u00b0C (1500-1550\u00b0F) v\u00e0 c\u00e2n b\u1eb1ng.<\/p><p>Austenit h\u00f3a:<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n: Ng\u00e2m trong l\u00f2 ho\u1eb7c mu\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 1121\u00b0C (2050\u00b0F) trong \u00edt nh\u1ea5t 25 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: Cho v\u00e0o l\u00f2 ho\u1eb7c b\u1ed3n mu\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 1066-1093\u00b0C (1950-2000\u00b0F) v\u00e0 ng\u00e2m trong \u00edt nh\u1ea5t 25 ph\u00fat.<\/li>\n\n<li>\u0110\u1ec3 c\u00f3 \u0111\u1ed9 d\u1ebbo dai t\u1ed1i \u0111a v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u: \u0110un \u1edf nhi\u1ec7t \u0111\u1ed9 1038\u00b0C (1900\u00b0F) ho\u1eb7c ng\u00e2m mu\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 1025\u00b0C (1875\u00b0F), ng\u00e2m trong \u00edt nh\u1ea5t 45 ph\u00fat.<br>L\u00e0m ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed, kh\u00ed n\u00e9n, d\u1ea7u \u1ea5m ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. \u0110\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 52\u00b0C (125\u00b0F) sau khi l\u00e0m ngu\u1ed9i.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>Nhi\u1ec7t \u0111\u1ed9 t\u00f4i t\u1ed1i thi\u1ec3u: 540\u00b0C (1000\u00b0F) v\u1edbi qu\u00e1 tr\u00ecnh t\u00f4i k\u00e9p, m\u1ed7i l\u1ea7n t\u1ed1i thi\u1ec3u 2 gi\u1edd.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h3><p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch austenit h\u00f3a CPM 9V \u1edf 1120\u00b0C (2050\u00b0F) trong 30-45 ph\u00fat, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i. Sau \u0111\u00f3, t\u00f4i luy\u1ec7n ba l\u1ea7n \u1edf 550\u00b0C (1025\u00b0F). Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd t\u1ea1o ra \u0111\u1ed9 c\u1ee9ng 54-56 HRC.<\/p><h2 class=\"wp-block-heading\">H\u00e0n th\u00e9p CPM 3V<\/h2><p>H\u00e0n CPM 9V \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 do h\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim cao. \u0110i\u1ec1u n\u00e0y l\u00e0 do h\u00e0m l\u01b0\u1ee3ng vanadi v\u00e0 cacbon cao trong th\u00e9p g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t (HAZ) gi\u00f2n, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng n\u1ee9t v\u1ee1 d\u01b0\u1edbi \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd tr\u01b0\u1edbc v\u00e0 sau khi h\u00e0n<\/h3><p>Do nh\u1eefng r\u1ee7i ro n\u00e0y, h\u00e0n CPM 9V y\u00eau c\u1ea7u <strong>ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 x\u1eed l\u00fd nhi\u1ec7t<\/strong> \u0111\u1ec3 gi\u1ea3m thi\u1ec3u n\u1ee9t n\u1ebb:<\/p><ul class=\"wp-block-list\"><li><strong>L\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/strong> \u2013 V\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng tr\u01b0\u1edbc \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi th\u00e9p gi\u00f3, th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 900\u20131100\u00b0F (480\u2013600\u00b0C) \u0111\u1ec3 gi\u1ea3m s\u1ed1c nhi\u1ec7t.<\/li>\n\n<li><strong>L\u00e0m m\u00e1t ch\u1eadm<\/strong> \u2013 Sau khi h\u00e0n, th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i d\u1ea7n, trong l\u00f2 ho\u1eb7c d\u01b0\u1edbi l\u1edbp c\u00e1ch nhi\u1ec7t, \u0111\u1ec3 tr\u00e1nh nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y ra n\u1ee9t g\u00e3y do \u1ee9ng su\u1ea5t.<\/li>\n\n<li><strong>\u1ee6 sau khi h\u00e0n<\/strong> \u2013 X\u1eed l\u00fd nhi\u1ec7t gi\u1ea3m \u1ee9ng su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 950\u20131000\u00b0F (510\u2013540\u00b0C) gi\u00fap kh\u00f4i ph\u1ee5c \u0111\u1ed9 d\u1ebbo dai c\u1ee7a khu v\u1ef1c h\u00e0n.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u \u0111\u1ed9n d\u1ef1a tr\u00ean di\u1ec7n t\u00edch h\u00e0n<\/h3><p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u h\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ee9c n\u0103ng c\u1ee7a ph\u1ea7n h\u00e0n:<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed1i v\u1edbi khu v\u1ef1c kh\u00f4ng l\u00e0m vi\u1ec7c: Que h\u00e0n H13 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p khi h\u00e0n c\u00e1c khu v\u1ef1c kh\u00f4ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao nh\u01b0ng v\u1eabn c\u1ea7n \u0111\u1ed9 b\u1ec1n t\u1ed1t v\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac.<\/li>\n\n<li>\u0110\u1ed1i v\u1edbi khu v\u1ef1c ch\u1ecbu m\u00e0i m\u00f2n cao: Th\u00e9p t\u1ed1c \u0111\u1ed9 cao M2 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng cho c\u00e1c ph\u1ea7n ti\u1ebfp x\u00fac v\u1edbi m\u00e0i m\u00f2n v\u00e0 m\u00e0i m\u00f2n n\u1eb7ng v\u00ec n\u00f3 c\u00f3 th\u00e0nh ph\u1ea7n h\u1ee3p kim cao gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng.<\/li><\/ul><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p CPM 9V<\/h2><ul class=\"wp-block-list\"><li>L\u01b0\u1ee1i dao m\u00e1y ch\u00e9m gi\u1ea5y<\/li>\n\n<li>Khu\u00f4n \u0111\u00f9n nh\u1ef1a<\/li>\n\n<li>C\u00f4ng c\u1ee5 \u00e9p phun<\/li>\n\n<li>L\u01b0\u1ee1i c\u1eaft kim lo\u1ea1i<\/li>\n\n<li>Khu\u00f4n d\u1eadp ngu\u1ed9i<\/li>\n\n<li>Khu\u00f4n d\u1eadp<\/li><\/ul><h2 class=\"wp-block-heading\">Nh\u1eadn CPM 9V ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t t\u1eeb SteelPro Group<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 ch\u1ea5t l\u01b0\u1ee3ng cao, bao g\u1ed3m CPM 9V v\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/h13\/\">H13<\/a>. Cho d\u00f9 b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n hay gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh, nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i lu\u00f4n t\u1eadn t\u00e2m cung c\u1ea5p v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady, ch\u00ednh x\u00e1c ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n b\u1ea1n.&nbsp;<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPro Group offers CPM 9V tool steel, a premium material trusted for its strength and durability. Whether you want high-quality [&hellip;]<\/p>","protected":false},"author":1,"featured_media":20096,"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-20095","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\/20095","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=20095"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20095\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20096"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}