{"id":20069,"date":"2024-12-25T01:03:00","date_gmt":"2024-12-24T17:03:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20069"},"modified":"2025-01-14T13:41:34","modified_gmt":"2025-01-14T05:41:34","slug":"cpm-m4","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/cpm-m4\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 CPM M4: T\u00ednh ch\u1ea5t, quy tr\u00ecnh, c\u00f4ng d\u1ee5ng"},"content":{"rendered":"<p>Th\u00e9p c\u00f4ng c\u1ee5 CPM M4 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt trong th\u1ebf gi\u1edbi v\u1eadt li\u1ec7u hi\u1ec7u su\u1ea5t cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. Trong b\u00e0i vi\u1ebft n\u00e0y, SteelPro Group s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a n\u00f3. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p CPM M4, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 CPM M4 l\u00e0 g\u00ec?<\/h2><p>CPM M4 l\u00e0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao luy\u1ec7n kim b\u1ed9t (PM) c\u00f3 h\u00e0m l\u01b0\u1ee3ng vanadi cao, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n tuy\u1ec7t v\u1eddi. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y l\u00e0m cho n\u00f3 ho\u00e0n h\u1ea3o \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft, khu\u00f4n \u0111\u1ec3 gia c\u00f4ng ngu\u1ed9i. So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p t\u1ed1c \u0111\u1ed9 cao th\u00f4ng th\u01b0\u1eddng nh\u01b0 M2, CPM M4 c\u00f3 tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5 k\u00e9o d\u00e0i v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. Tuy nhi\u00ean, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c khi gia c\u00f4ng \u1edf tr\u1ea1ng th\u00e1i t\u00f4i.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p CPM M4 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi lo\u1ea1i n\u00e0o?<\/h2><p>C\u00f3 c\u00e1c c\u1ea5p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4:<\/p><ul class=\"wp-block-list\"><li>S690<\/li>\n\n<li>Ti\u00eau chu\u1ea9n DIN 1.3343<\/li>\n\n<li>Ti\u00eau chu\u1ea9n JIS SKH51<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ISOHS6-5-3<\/li>\n\n<li>BS 4659-3<\/li>\n\n<li>GBT9<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4&nbsp;<\/h2><p>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4 r\u1ea5t gi\u00e0u crom, molypden, vonfram v\u00e0 vanadi. H\u00e0m l\u01b0\u1ee3ng cacbon cao \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng ch\u1eafc trong khi vanadi v\u00e0 vonfram c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ph\u00e1c th\u1ea3o th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>N\u1ed9i dung (wt%)<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u2264 1,35<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,06<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>\u2264 4,25<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>\u2264 4,5<\/td><\/tr><tr><td>Vonfram (W)<\/td><td>\u2264 5,75<\/td><\/tr><tr><td>Vanadi (V)<\/td><td>\u2264 4<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 CPM M4 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t m\u1ea1nh, gi\u00fap th\u00e9p \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 nhi\u1ec7t cao. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p \u0111\u1ea3m b\u1ea3o th\u00e9p \u00edt thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. B\u1ea3ng sau \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd ch\u00ednh c\u1ee7a th\u00e9p CPM M4.<\/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>T\u1ec9 tr\u1ecdng<\/td><td>7,80 g\/cm\u00b3<\/td><td>0,282 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>25,9 W\/m\u00b7K<\/td><td>18,0 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang<\/td><td>0,46 J\/kg\u00b7K<\/td><td>0,11 BTU\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>5,1 \u00b5m\/m\u00b7K<\/td><td>2,83 x 10\u207b\u2076 in\/in\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4\u00a0<\/h2><p>Th\u00e9p c\u00f4ng c\u1ee5 CPM M4 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1eb7c bi\u1ec7t, gi\u00fap th\u00e9p c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 bi\u1ebfn d\u1ea1ng cao d\u01b0\u1edbi t\u1ea3i tr\u1ecdng n\u1eb7ng. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4.<\/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>\u0110\u1ed9 c\u1ee9ng (Rockwell C)<\/td><td>64-66 HRC<\/td><td>64-66 HRC<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>2.400MPa<\/td><td>348.000 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>2.050MPa<\/td><td>297.500 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t<\/td><td>6-7%<\/td><td>6-7%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u1ee9t g\u00e3y (ngang)<\/td><td>3.000MPa<\/td><td>435.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp (Charpy)<\/td><td>10 th\u00e1ng<\/td><td>7,4 ft-lb<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh c\u1eaft<\/td><td>1.650MPa<\/td><td>239.000 psi<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p c\u00f4ng c\u1ee5 CPM M4<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i \u01b0u ti\u00ean x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 CPM M4. Chuy\u00ean m\u00f4n c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n cao c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t chi ti\u1ebft cho th\u00e9p c\u00f4ng c\u1ee5 CPM M4.<\/p><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 857-885\u00b0C (1575-1625\u00b0F) v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng qu\u00e1 222\u00b0C (400\u00b0F) m\u1ed7i gi\u1edd. Gi\u1eef nhi\u1ec7t \u0111\u1ed9 trong 1 gi\u1edd cho m\u1ed7i 25,44 mm (1 inch) \u0111\u1ed9 d\u00e0y, v\u1edbi th\u1eddi gian gi\u1eef t\u1ed1i thi\u1ec3u l\u00e0 2 gi\u1edd.<\/p><p>L\u00e0m ngu\u1ed9i ch\u1eadm th\u00e9p trong l\u00f2 v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng qu\u00e1 28\u00b0C (50\u00b0F) m\u1ed9t gi\u1edd cho \u0111\u1ebfn khi \u0111\u1ea1t 538\u00b0C (1000\u00b0F). Ti\u1ebfp t\u1ee5c l\u00e0m ngu\u1ed9i trong kh\u00f4ng kh\u00ed ho\u1eb7c trong l\u00f2 \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. Sau khi \u1ee7, \u0111\u1ed9 c\u1ee9ng t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u01b0\u1eddng l\u00e0 kho\u1ea3ng <strong>229 HB<\/strong> (Rockwell B95).<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><h4 class=\"wp-block-heading\">L\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/h4><p>\u0110\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh gia nhi\u1ec7t, h\u00e3y nung n\u00f3ng th\u00e9p \u1edf t\u1ed1c \u0111\u1ed9 kh\u00f4ng qu\u00e1 222\u00b0C m\u1ed9t gi\u1edd (400\u00b0F m\u1ed9t gi\u1edd) \u0111\u1ebfn ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u l\u00e0 816-871\u00b0C (1500-1600\u00b0F).<\/p><h4 class=\"wp-block-heading\">Austenit h\u00f3a<\/h4><p>Nhi\u1ec7t \u0111\u1ed9 austenit h\u00f3a cho th\u00e9p c\u00f4ng c\u1ee5 CPM M4 ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng d\u1ef1 \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai t\u1ed1i \u01b0u cho c\u00e1c c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3.<\/p><p><strong>D\u00f9ng cho d\u1ee5ng c\u1ee5 c\u1eaft<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m l\u00f2:<\/strong> Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 <strong>1177-1191\u00b0C<\/strong> (2150-2175\u00b0F), ng\u00e2m trong <strong>10 \u0111\u1ebfn 20 ph\u00fat<\/strong> t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y c\u1ee7a d\u1ee5ng c\u1ee5.<\/li>\n\n<li><strong>S\u01b0\u1edfi \u1ea5m b\u1eb1ng b\u1ed3n t\u1eafm mu\u1ed1i:<\/strong> Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 <strong>1163-1191\u00b0C<\/strong> (2125-2175\u00b0F), ng\u00e2m trong <strong>10 \u0111\u1ebfn 20 ph\u00fat<\/strong>.<\/li><\/ul><p><strong>D\u00e0nh cho d\u1ee5ng c\u1ee5 l\u00e0m vi\u1ec7c ngu\u1ed9i<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>S\u01b0\u1edfi \u1ea5m l\u00f2:<\/strong> Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 <strong>1023-1163\u00b0C<\/strong> (1875-2135\u00b0F), ng\u00e2m trong <strong>15 \u0111\u1ebfn 30 ph\u00fat<\/strong> t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y.<\/li>\n\n<li><strong>S\u01b0\u1edfi \u1ea5m b\u1eb1ng b\u1ed3n t\u1eafm mu\u1ed1i:<\/strong> Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 <strong>1010-1149\u00b0C<\/strong> (1850-2100\u00b0F), ng\u00e2m trong <strong>15 \u0111\u1ebfn 30 ph\u00fat<\/strong>.<\/li><\/ul><h4 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h4><p><strong>Kh\u00ed n\u00e9n<\/strong><\/p><p>\u0110\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng mong mu\u1ed1n v\u00e0 gi\u1ea3m thi\u1ec3u bi\u1ebfn d\u1ea1ng v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i t\u1eeb 222\u00b0C m\u1ed7i ph\u00fat (400\u00b0F m\u1ed7i ph\u00fat) \u0111\u1ebfn d\u01b0\u1edbi 538\u00b0C (1000\u00b0F), \u0111\u1ea3m b\u1ea3o l\u00e0m m\u00e1t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p><p><strong>D\u1ea7u<\/strong><\/p><p>\u0110un n\u00f3ng \u0111\u1ebfn 800-850\u00b0C (1475-1560\u00b0F) v\u00e0 l\u00e0m ngu\u1ed9i trong d\u1ea7u. T\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i ch\u1eadm h\u01a1n l\u00e0m gi\u1ea3m nguy c\u01a1 n\u1ee9t v\u00e0 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 dai trong khi v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng c\u1ea7n thi\u1ebft.<\/p><p><strong>Mu\u1ed1i<\/strong><\/p><p>L\u00e0m ngu\u1ed9i trong mu\u1ed1i n\u00f3ng ch\u1ea3y \u1edf <strong>550-600\u00b0C<\/strong> (1020-1110\u00b0F). L\u00e0m ngu\u1ed9i b\u1eb1ng mu\u1ed1i gi\u00fap l\u00e0m m\u00e1t \u0111\u1ec1u v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ed1c nhi\u1ec7t, duy tr\u00ec \u0111\u1ed9 c\u1ee9ng \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ed3ng th\u1eddi tr\u00e1nh n\u1ee9t.<\/p><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><p>Sau khi t\u00f4i, CPM M4 th\u01b0\u1eddng \u0111\u1ea1t \u0111\u1ebfn ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng l\u00e0 <strong>58-65 HRC<\/strong> (Rockwell C).<\/p><p>Vi\u1ec7c t\u00f4i luy\u1ec7n n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay l\u1eadp t\u1ee9c t\u1ea1i <strong>538-593\u00b0C<\/strong> (1000-1100\u00b0F) cho <strong>2 gi\u1edd<\/strong>, sau \u0111\u00f3 l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed. L\u00e0m ngu\u1ed9i b\u00ean d\u01b0\u1edbi <strong>538\u00b0C<\/strong> (1000\u00b0F) kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch.<\/p><p><strong>T\u00f4i luy\u1ec7n k\u00e9p<\/strong> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u1ea3 \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 c\u1ee9ng. N\u1ebfu austenit h\u00f3a \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i <strong>\u2265 1149\u00b0C<\/strong> (2100\u00b0F), <strong>t\u00f4i luy\u1ec7n ba l\u1ea7n<\/strong> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 d\u1ebbo dai.<\/p><h2 class=\"wp-block-heading\">H\u00ecnh d\u1ea1ng s\u1ea3n ph\u1ea9m th\u00e9p CPM M4<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 CPM M4 d\u1ea1ng thanh, ph\u00f4i v\u00e0 ph\u00f4i ph\u1eb3ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u00ednh x\u00e1c. S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi nhi\u1ec1u k\u00edch c\u1ee1, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.&nbsp;<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>H\u00ecnh th\u1ee9c<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc<\/strong><\/td><\/tr><tr><td rowspan=\"2\">Thanh\/C\u00e2y<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 6 mm \u0111\u1ebfn 150 mm<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 0,25 in \u0111\u1ebfn 6 in<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 1000 mm \u0111\u1ebfn 3000 mm<\/td><td>Chi\u1ec1u d\u00e0i: 40 in \u0111\u1ebfn 120 in<\/td><\/tr><tr><td rowspan=\"2\">Ph\u00f4i<\/td><td>H\u00ecnh vu\u00f4ng\/H\u00ecnh ch\u1eef nh\u1eadt: 50 mm x 50 mm \u0111\u1ebfn 150 mm x 150 mm<\/td><td>H\u00ecnh vu\u00f4ng\/H\u00ecnh ch\u1eef nh\u1eadt: 2 in x 2 in \u0111\u1ebfn 6 in x 6 in<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 1000 mm \u0111\u1ebfn 3000 mm<\/td><td>Chi\u1ec1u d\u00e0i: 40 in \u0111\u1ebfn 120 in<\/td><\/tr><tr><td rowspan=\"3\">C\u1ed5 phi\u1ebfu ph\u1eb3ng<\/td><td>\u0110\u1ed9 d\u00e0y: 3 mm \u0111\u1ebfn 75 mm<\/td><td>\u0110\u1ed9 d\u00e0y: 0,125 in \u0111\u1ebfn 3 in<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng: 50 mm \u0111\u1ebfn 300 mm<\/td><td>Chi\u1ec1u r\u1ed9ng: 2 in \u0111\u1ebfn 12 in<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 1000 mm \u0111\u1ebfn 3000 mm<\/td><td>Chi\u1ec1u d\u00e0i: 40 in \u0111\u1ebfn 120 in<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p CPM M4<\/h2><ul class=\"wp-block-list\"><li>M\u0169i khoan \u2013 D\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh ho\u1eb7c m\u1edf r\u1ed9ng l\u1ed7.<\/li>\n\n<li>Dao phay b\u00e1nh r\u0103ng \u2013 D\u00f9ng \u0111\u1ec3 c\u1eaft r\u0103ng trong b\u00e1nh r\u0103ng.<\/li>\n\n<li>Con l\u0103n ren \u2013 D\u00f9ng \u0111\u1ec3 t\u1ea1o ren tr\u00ean c\u00e1c chi ti\u1ebft c\u1ed1 \u0111\u1ecbnh.<\/li>\n\n<li>Dao phay \u2013 D\u00f9ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng phay c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n\n<li>Dao c\u1eaft \u0111\u1ecbnh h\u00ecnh \u2013 D\u00f9ng \u0111\u1ec3 c\u1eaft c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p tr\u00ean m\u00e1y \u0111\u1ecbnh h\u00ecnh.<\/li>\n\n<li>Dao c\u1eaft b\u00e0o \u2013 D\u00f9ng \u0111\u1ec3 ho\u00e0n thi\u1ec7n b\u00e1nh r\u0103ng b\u1eb1ng c\u00e1ch c\u1eaft r\u0103ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/li>\n\n<li>M\u00e1y khoan \u2013 D\u00f9ng \u0111\u1ec3 khoan qua c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng.<\/li>\n\n<li>M\u00e1y phay \u0111\u1ea7u \u2013 D\u00f9ng cho gia c\u00f4ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00e1c nhi\u1ec7m v\u1ee5 phay ph\u1ee9c t\u1ea1p.<\/li>\n\n<li>D\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh \u2013 Ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ee5ng c\u1ee5 \u0111\u1ee5c, khu\u00f4n v\u00e0 d\u1ee5ng c\u1ee5 d\u1eadp.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p c\u00f4ng c\u1ee5 CPM M4 hi\u1ec7u su\u1ea5t cao \u1edf m\u1ecdi h\u00ecnh d\u1ea1ng b\u1ea1n c\u1ea7n<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 CPM M4 \u1edf d\u1ea1ng thanh, ph\u00f4i v\u00e0 ph\u00f4i ph\u1eb3ng, v\u1edbi k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c nhu c\u1ea7u c\u1ee7a b\u1ea1n. Qu\u00e1 tr\u00ecnh gia c\u00f4ng ch\u00ednh x\u00e1c v\u00e0 x\u1eed l\u00fd nhi\u1ec7t ti\u00ean ti\u1ebfn c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1i \u01b0u \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c nh\u01b0 <a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/w18cr4v\/\">T\u1ea5m th\u00e9p c\u00f4ng c\u1ee5 T1, thanh v\u00e0 tr\u00f2n<\/a>.<\/p><p>H\u1ee3p t\u00e1c v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 c\u00f3 gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady cho nh\u1eefng th\u00e1ch th\u1ee9c kh\u00f3 kh\u0103n nh\u1ea5t c\u1ee7a b\u1ea1n. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 b\u1eaft \u0111\u1ea7u!<\/p>","protected":false},"excerpt":{"rendered":"<p>CPM M4 Tool Steel is a standout in the world of high-performance materials, offering exceptional wear resistance and toughness. In [&hellip;]<\/p>","protected":false},"author":12,"featured_media":20063,"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-20069","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\/20069","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=20069"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20069\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20063"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}