{"id":20093,"date":"2024-12-26T02:20:00","date_gmt":"2024-12-25T18:20:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20093"},"modified":"2024-12-26T15:55:17","modified_gmt":"2024-12-26T07:55:17","slug":"cpm-rex-45","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-rex-45\/","title":{"rendered":"Th\u00e9p CPM REX 45: S\u1ea3n ph\u1ea9m, T\u00ednh ch\u1ea5t v\u00e0 Quy tr\u00ecnh"},"content":{"rendered":"<p>SteelPRO Group l\u00e0 nh\u00e0 cung c\u1ea5p th\u00e9p CPM REX 45 \u0111\u00e1ng tin c\u1eady, cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 gia c\u00f4ng ch\u00ednh x\u00e1c. V\u1edbi nhi\u1ec1u n\u0103m kinh nghi\u1ec7m, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p b\u1ec1n, \u0111\u00e1ng tin c\u1eady \u1edf c\u1ea3 k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n v\u00e0 t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.&nbsp;<\/p><h2 class=\"wp-block-heading\">Th\u00e9p CPM REX 45 l\u00e0 g\u00ec?<\/h2><p>CPM REX 45 l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 luy\u1ec7n kim b\u1ed9t (PM). \u0110\u00e2y l\u00e0 bi\u1ebfn th\u1ec3 c\u1ea3i ti\u1ebfn c\u1ee7a th\u00e9p M3:2, k\u1ebft h\u1ee3p v\u1edbi coban 8%. H\u1ee3p kim n\u00e0y c\u00f3 \u0111\u1ed9 c\u1ee9ng tuy\u1ec7t v\u1eddi, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n cao, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1eaft t\u1ed1c \u0111\u1ed9 cao v\u00e0 gia c\u00f4ng \u0111\u1ea7y th\u00e1ch th\u1ee9c. So v\u1edbi M4, REX 45 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng \u0111\u1ed9 c\u1ee9ng cao h\u01a1n do c\u00f3 ch\u1ee9a coban. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c, nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u00f4 t\u00f4.<\/p><h2 class=\"wp-block-heading\">CPM REX 45 Th\u00e9p S\u1ea3n Ph\u1ea9m H\u00ecnh Th\u1ee9c V\u00e0 Ph\u1ea1m Vi Cung C\u1ea5p<\/h2><p>Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 CPM REX 45 v\u1edbi nhi\u1ec1u k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n kh\u00e1c nhau bao g\u1ed3m thanh, tr\u00f2n, t\u1ea5m v\u00e0 ch\u00e8n d\u1ee5ng c\u1ee5. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>M\u1eabu s\u1ea3n ph\u1ea9m<\/strong><\/td><td><strong>K\u00edch th\u01b0\u1edbc<\/strong><\/td><td><strong>Ph\u1ea1m vi (H\u1ec7 m\u00e9t)<\/strong><\/td><td><strong>Ph\u1ea1m vi (Anh)<\/strong><\/td><\/tr><tr><td rowspan=\"2\">Thanh (tr\u00f2n v\u00e0 vu\u00f4ng)<\/td><td>\u0110\u01b0\u1eddng k\u00ednh<\/td><td>10mm \u2013 100mm<\/td><td>0.39&#8243; &#8211; 3.94&#8243;<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i<\/td><td>300mm \u2013 4000mm<\/td><td>11.81&#8243; &#8211; 157.48&#8243;<\/td><\/tr><tr><td rowspan=\"2\">H\u00ecnh tr\u00f2n (\u0110\u1eb7c ho\u1eb7c R\u1ed7ng)<\/td><td>\u0110\u01b0\u1eddng k\u00ednh<\/td><td>12mm \u2013 75mm<\/td><td>0.47&#8243; &#8211; 2.95&#8243;<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i<\/td><td>300mm \u2013 4000mm<\/td><td>11.81&#8243; &#8211; 157.48&#8243;<\/td><\/tr><tr><td rowspan=\"3\">T\u1ea5m v\u00e0 T\u1ea5m<\/td><td>\u0110\u1ed9 d\u00e0y<\/td><td>5mm \u2013 50mm<\/td><td>0.20&#8243; &#8211; 1.97&#8243;<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng<\/td><td>100mm \u2013 2000mm<\/td><td>3.94&#8243; &#8211; 78.74&#8243;<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i<\/td><td>300mm \u2013 4000mm<\/td><td>11.81&#8243; &#8211; 157.48&#8243;<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p CPM REX 45<\/h2><p>B\u1ea3ng sau \u0111\u00e2y tr\u00ecnh b\u00e0y th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM REX 45.<\/p><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>1.3<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>4.05<\/td><\/tr><tr><td>Coban (Co)<\/td><td>8<\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>72.13<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>5<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>0.060 &#8211; 0.22<\/td><\/tr><tr><td>Vonfram (W)<\/td><td>6.25<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>3.05<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p CPM REX 45<\/h2><p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u01a1 b\u1ea3n c\u1ee7a th\u00e9p CPM REX 45.<\/p><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>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>214 GPa<\/td><td>31 \u00d7 10\u2076 psi<\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>8,05 g\/cm\u00b3<\/td><td>0,291 lbs\/in\u00b3<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (70-750\u00b0F)<\/td><td>11,4 \u00d7 10\u207b\u2076 mm\/mm\/\u00b0C<\/td><td>6,3 \u00d7 10\u207b\u2076 in\/in\/\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (70-1100\u00b0F)<\/td><td>11,5 \u00d7 10\u207b\u2076 mm\/mm\/\u00b0C<\/td><td>6,4 \u00d7 10\u207b\u2076 in\/in\/\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p CPM REX 45<\/h2><p>B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p CPM REX 45.<\/p><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><td><strong>Ghi ch\u00fa<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Brinell<\/td><td>255 &#8211; 285<\/td><td>255 &#8211; 285<\/td><td>\u1ee6<\/td><\/tr><tr><td rowspan=\"2\">\u0110\u1ed9 c\u1ee9ng, Rockwell C<\/td><td>65<\/td><td>65<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1165\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 560\u00b0C<\/td><\/tr><tr><td>67<\/td><td>67<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1190\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 550\u00b0C<\/td><\/tr><tr><td rowspan=\"2\">\u0110\u1ed9 b\u1ec1n u\u1ed1n<\/td><td>4709MPa<\/td><td>683.000 psi<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1165\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 560\u00b0C<\/td><\/tr><tr><td>4826MPa<\/td><td>700.000 psi<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1190\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 550\u00b0C<\/td><\/tr><tr><td rowspan=\"2\">T\u00e1c \u0111\u1ed9ng Charpy<\/td><td>20,0 J<\/td><td>14,8 ft-lb<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1190\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 550\u00b0C<\/td><\/tr><tr><td>27,0 J<\/td><td>19,9 ft-lb<\/td><td>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m c\u1ee9ng: 1165\u00b0C; Nhi\u1ec7t \u0111\u1ed9 ram: 560\u00b0C<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>214 GPa<\/td><td>31.000 kil\u00f4gam<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p CPM REX 45<\/h2><p>Giao th\u1ee9c x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 t\u1ec9 m\u1ec9 qua nhi\u1ec1u giai \u0111o\u1ea1n kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o CPM Rex 45 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. N\u1ebfu b\u1ea1n y\u00eau c\u1ea7u th\u00e9p CPM Rex 45 \u1edf tr\u1ea1ng th\u00e1i \u1ee7 ho\u1eb7c b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 n\u00e0o kh\u00e1c, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 1600\u00b0F (870\u00b0C) v\u00e0 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong hai gi\u1edd. Sau \u0111\u00f3, th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i ch\u1eadm v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng qu\u00e1 25\u00b0F (15\u00b0C) m\u1ed7i gi\u1edd cho \u0111\u1ebfn khi \u0111\u1ea1t 1000\u00b0F (540\u00b0C). Cu\u1ed1i c\u00f9ng, th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i trong l\u00f2 ho\u1eb7c kh\u00f4ng kh\u00ed t\u0129nh \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. \u0110\u1ed9 c\u1ee9ng sau khi \u1ee7 x\u1ea5p x\u1ec9 BHN 255 \u2013 285.<\/p><h3 class=\"wp-block-heading\">Gi\u1ea3m c\u0103ng th\u1eb3ng<\/h3><p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u1ee7, vi\u1ec7c gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch nung th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1eeb 1100-1300\u00b0F (595-705\u00b0C) v\u00e0 gi\u1eef trong hai gi\u1edd, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i trong l\u00f2 ho\u1eb7c l\u00e0m ngu\u1ed9i trong kh\u00f4ng kh\u00ed t\u0129nh. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 t\u00f4i, quy tr\u00ecnh bao g\u1ed3m nung \u0111\u1ebfn 25\u00b0F (15\u00b0C) th\u1ea5p h\u01a1n nhi\u1ec7t \u0111\u1ed9 t\u00f4i ban \u0111\u1ea7u, ho\u1eb7c t\u1ed1i thi\u1ec3u l\u00e0 1000\u00b0F (540\u00b0C), gi\u1eef trong hai gi\u1edd, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i nh\u01b0 tr\u01b0\u1edbc.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><h4 class=\"wp-block-heading\"><strong>L\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/strong><\/h4><p>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 1500-1550\u00b0F (815-845\u00b0C) v\u00e0 gi\u1eef \u0111\u1ee7 l\u00e2u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u00e2m k\u1ef9. \u0110\u1ed1i v\u1edbi x\u1eed l\u00fd nhi\u1ec7t ch\u00e2n kh\u00f4ng, n\u00ean th\u1ef1c hi\u1ec7n th\u00eam b\u01b0\u1edbc l\u00e0m n\u00f3ng tr\u01b0\u1edbc \u1edf 1850-1900\u00b0F (1010-1040\u00b0C) \u0111\u1ec3 gi\u1ea3m th\u1eddi gian c\u1ea7n thi\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 austenit h\u00f3a.<\/p><h4 class=\"wp-block-heading\"><strong>Austenit h\u00f3a<\/strong><\/h4><p>Qu\u00e1 tr\u00ecnh austenit h\u00f3a bao g\u1ed3m vi\u1ec7c nung th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 trong kho\u1ea3ng 2100-2190\u00b0F (1150-1200\u00b0C). \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c HRC 66-68, khuy\u1ebfn ngh\u1ecb ti\u00eau chu\u1ea9n l\u00e0 nung v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 2175\u00b0F (1190\u00b0C).<\/p><p><strong>d\u1eadp t\u1eaft<\/strong><\/p><p>Qu\u00e1 tr\u00ecnh t\u00f4i ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nhanh ch\u00f3ng \u0111\u1ec3 \u0111\u01b0a nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng d\u01b0\u1edbi 1100\u00b0F (595\u00b0C), c\u00e2n b\u1eb1ng, sau \u0111\u00f3 l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u1ebfn khi \u1ea5m b\u1eb1ng tay, xu\u1ed1ng d\u01b0\u1edbi 125\u00b0F (50\u00b0C). Qu\u00e1 tr\u00ecnh t\u00f4i b\u1eb1ng mu\u1ed1i ho\u1eb7c d\u1ea7u ng\u1eaft qu\u00e3ng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u1ea3n \u1ee9ng x\u1eed l\u00fd nhi\u1ec7t t\u1ed1t nh\u1ea5t.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>Qu\u00e1 tr\u00ecnh n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u l\u00e0 1000\u00b0F (540\u00b0C). C\u1ea7n ph\u1ea3i t\u00f4i luy\u1ec7n ba l\u1ea7n, m\u1ed7i l\u1ea7n t\u00f4i luy\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef t\u1ed1i thi\u1ec3u hai gi\u1edd \u1edf nhi\u1ec7t \u0111\u1ed9 quy \u0111\u1ecbnh v\u00e0 l\u00e0m ngu\u1ed9i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng gi\u1eefa m\u1ed7i l\u1ea7n.<\/p><h3 class=\"wp-block-heading\">L\u00e0m th\u1eb3ng<\/h3><p>Qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng t\u1ed1t nh\u1ea5t n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi c\u00f2n \u1ea5m, \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1ed1i thi\u1ec3u l\u00e0 400\u00b0F (205\u00b0C). T\u1ed1t nh\u1ea5t l\u00e0 n\u1eafn th\u1eb3ng th\u00e9p sau khi t\u00f4i mu\u1ed1i v\u00e0 tr\u01b0\u1edbc khi l\u00e0m ngu\u1ed9i xu\u1ed1ng d\u01b0\u1edbi 400\u00b0F (205\u00b0C).<\/p><h2 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1ee7a CPM REX 45<\/h2><p>CPM REX 45 c\u00f3 kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t do c\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ed3ng nh\u1ea5t t\u1eeb quy tr\u00ecnh luy\u1ec7n kim b\u1ed9t. Ph\u00e2n ph\u1ed1i cacbua m\u1ecbn gi\u00fap gia c\u00f4ng d\u1ec5 d\u00e0ng h\u01a1n so v\u1edbi th\u00e9p t\u1ed1c \u0111\u1ed9 cao th\u00f4ng th\u01b0\u1eddng. Gia c\u00f4ng CPM REX 45 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 cacbua ho\u1eb7c th\u00e9p t\u1ed1c \u0111\u1ed9 cao, v\u1edbi t\u1ed1c \u0111\u1ed9 n\u1ea1p li\u1ec7u ch\u1eadm h\u01a1n v\u00e0 ch\u1ea5t l\u1ecfng c\u1eaft \u0111\u1ec3 gi\u1ea3m m\u00e0i m\u00f2n v\u00e0 nhi\u1ec7t.&nbsp;<\/p><p>\u0110\u1ed1i v\u1edbi vi\u1ec7c m\u00e0i, b\u00e1nh CBN l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi v\u00e0 vi\u1ec7c th\u00eam ch\u1ea5t l\u00e0m m\u00e1t gi\u00fap duy tr\u00ec \u0111\u1ed9 m\u1ecbn v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong khi ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t. Ch\u1ec9 c\u1ea7n gi\u1eef cho d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n s\u1eafc b\u00e9n v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t!<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p CPM REX 45<\/h2><p>M\u1ed9t s\u1ed1 c\u00f4ng d\u1ee5ng th\u01b0\u1eddng g\u1eb7p c\u1ee7a CPM REX 45 bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li><strong>D\u1ee5ng c\u1ee5 c\u1eaft<\/strong>: M\u00e1y phay \u0111\u1ea7u, m\u00e1y khoan v\u00e0 m\u00e1y doa \u0111\u1ec3 gia c\u00f4ng v\u1eadt li\u1ec7u c\u1ee9ng.<\/li>\n\n<li><strong>C\u00f4ng c\u1ee5 t\u1ea1o h\u00ecnh<\/strong>: D\u1ee5ng c\u1ee5 \u0111\u1ee5c, khu\u00f4n v\u00e0 d\u1eadp cho s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c.<\/li>\n\n<li><strong>D\u1ee5ng c\u1ee5 l\u00e0m vi\u1ec7c ngu\u1ed9i<\/strong>: C\u00e1c c\u00f4ng c\u1ee5 ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc cao.<\/li>\n\n<li><strong>Ch\u00e8n ch\u00ednh x\u00e1c<\/strong>: D\u00f9ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng ti\u1ec7n, phay v\u00e0 nghi\u1ec1n.<\/li>\n\n<li><strong>C\u00e1c b\u1ed9 ph\u1eadn hao m\u00f2n<\/strong>: C\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 \u1ed5 tr\u1ee5c v\u00e0 h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i ph\u1ea3i ch\u1ecbu m\u00e0i m\u00f2n li\u00ean t\u1ee5c.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p CPM REX 45 so v\u1edbi th\u00e9p M4<\/h2><p>CPM REX 45 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n do h\u00e0m l\u01b0\u1ee3ng coban 8%. M4 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n do h\u00e0m l\u01b0\u1ee3ng vanadi cao h\u01a1n. M4 c\u0169ng c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i do c\u00f3 c\u00e1c lo\u1ea1i cacbua m\u1ecbn h\u01a1n.<\/p><p>Trong khi CPM REX 45 v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u00ec M4 l\u1ea1i t\u1ed1t h\u01a1n cho c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai khi s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p CPM REX 45 cao c\u1ea5p t\u1eeb SteelPro Group<\/h2><p>T\u1ea1i SteelPRO Group, ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u h\u01a1n l\u00e0 th\u00e9p CPM REX 45. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u cao c\u1ea5p, bao g\u1ed3m <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/h13\/\">Th\u00e9p H13<\/a>, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u gia c\u00f4ng c\u1ee7a b\u1ea1n. V\u1edbi nhi\u1ec1u n\u0103m kinh nghi\u1ec7m ph\u1ee5c v\u1ee5 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 gia c\u00f4ng, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c lo\u1ea1i th\u00e9p ph\u00f9 h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>SteelPRO Group is a trusted supplier of CPM REX 45 steel, offering high-performance tool steels for industries like aerospace, automotive, [&hellip;]<\/p>","protected":false},"author":12,"featured_media":20083,"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-20093","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\/20093","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=20093"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20093\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20083"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}