{"id":20872,"date":"2025-03-02T09:57:23","date_gmt":"2025-03-02T01:57:23","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20872"},"modified":"2025-03-04T17:55:06","modified_gmt":"2025-03-04T09:55:06","slug":"aisi-4130","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/aisi-4130\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 th\u00e9p h\u1ee3p kim AISI 4130: T\u00ednh ch\u1ea5t, s\u1ea3n ph\u1ea9m v\u00e0 c\u00f4ng d\u1ee5ng"},"content":{"rendered":"<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng th\u00e9p h\u1ee3p kim 4130 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong m\u1ecdi th\u1ee9, t\u1eeb \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c \u0111\u1ebfn thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng h\u1ea1ng n\u1eb7ng kh\u00f4ng? Lo\u1ea1i th\u00e9p n\u00e0y r\u1ea5t linh ho\u1ea1t. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee5 th\u1ec3, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean ho\u00e0n h\u1ea3o cho c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 b\u00e1nh r\u0103ng, tr\u1ee5c khu\u1ef7u v\u00e0 v\u00f2ng khoan.<\/p><p class=\"wp-block-paragraph\">T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p 4130 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p kh\u1eaft khe nh\u1ea5t. Nh\u01b0ng tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u c\u00e1ch l\u1ea5y ngu\u1ed3n, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta h\u00e3y xem t\u1ea1i sao h\u1ee3p kim n\u00e0y l\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 v\u1eady.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p 4130 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p 4130, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Chromoly, l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng crom v\u00e0 molypden. N\u00f3 th\u01b0\u1eddng ch\u1ee9a 0,8% \u0111\u1ebfn 1,1% crom v\u00e0 0,15% \u0111\u1ebfn 0,25% molypden, gi\u00fap t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u. Lo\u1ea1i th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi. \u0110\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 th\u00e9p cacbon th\u1ea5p, d\u1ec5 h\u00e0n v\u00e0 gia c\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf tr\u1ea1ng th\u00e1i \u1ee7 ho\u1eb7c chu\u1ea9n h\u00f3a. Tuy nhi\u00ean, sau khi \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng, n\u00f3 tr\u1edf n\u00ean kh\u00f3 gia c\u00f4ng h\u01a1n.<\/p><ul class=\"wp-block-list\"><li><strong>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a c\u1ee7a 4130 l\u00e0 bao nhi\u00eau?<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">N\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 315\u00baC (600\u00baF), gi\u00fap t\u0103ng th\u00eam t\u00ednh linh ho\u1ea1t.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p 4130 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2><ul class=\"wp-block-list\"><li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4<\/strong>: Thanh truy\u1ec1n, tay l\u00e1i, kh\u1edbp l\u00e1i, n\u1eeda tr\u1ee5c, bu l\u00f4ng, \u0111inh t\u00e1n, v\u00edt, b\u00e1nh r\u0103ng, c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u.<\/li>\n\n<li><strong>Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong>: C\u00e1c b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i m\u00e1y bay, c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac, c\u00e1c b\u1ed9 ph\u1eadn b\u00e1nh \u0111\u00e1p, ch\u1ed1t, tr\u1ee5c.<\/li>\n\n<li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ea7u kh\u00ed<\/strong>: Thanh khoan, d\u1ee5ng c\u1ee5 khoan gi\u1ebfng, thi\u1ebft b\u1ecb \u0111\u1ea7u gi\u1ebfng, m\u00e1y b\u01a1m, van, b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t, ph\u1ee5 ki\u1ec7n \u1ed1ng c\u00f3 m\u1eb7t b\u00edch, \u0111ai \u1ed1c t\u1ef1 kh\u00f3a.<\/li>\n\n<li><strong>S\u1ea3n xu\u1ea5t &amp; M\u00e1y m\u00f3c<\/strong>: Xi lanh th\u1ee7y l\u1ef1c, tr\u1ee5c, gi\u00e1 \u0111\u1ee1 d\u1ee5ng c\u1ee5, khung m\u00e1y, b\u00e1nh r\u0103ng, \u1ed5 tr\u1ee5c, tr\u1ee5c ch\u00ednh v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac.<\/li>\n\n<li><strong>X\u00e2y d\u1ef1ng &amp; C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/strong>: D\u1ea7m k\u1ebft c\u1ea5u, c\u1ea7u, th\u00e0nh ph\u1ea7n \u0111\u01b0\u1eddng ray, m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, th\u00e0nh ph\u1ea7n c\u1ea7n c\u1ea9u, bu l\u00f4ng, \u0111ai \u1ed1c, ch\u1ed1t.<\/li><\/ul><h2 class=\"wp-block-heading\">4130 C\u00e1c lo\u1ea1i th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/h2><p class=\"wp-block-paragraph\">B\u1ea3ng sau \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c c\u1ea5p \u0111\u1ed9 v\u00e0 ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho th\u00e9p 4130 tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng to\u00e0n c\u1ea7u kh\u00e1c nhau. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p 4130 ch\u1ea5t l\u01b0\u1ee3ng cao tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn n\u00e0y.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Qu\u1ed1c gia\/Khu v\u1ef1c<\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td><td><strong>C\u1ea5p<\/strong><\/td><\/tr><tr><td rowspan=\"2\"><strong>Trung Qu\u1ed1c<\/strong><\/td><td>YB<\/td><td>25CrMo<\/td><\/tr><tr><td>ISC<\/td><td>A30252<\/td><\/tr><tr><td><strong>Nh\u1eadt B\u1ea3n<\/strong><\/td><td>Ti\u00eau chu\u1ea9n Nh\u1eadt B\u1ea3n<\/td><td>SCM430<\/td><\/tr><tr><td><strong>Hoa K\u1ef3<\/strong><\/td><td>Ti\u00eau chu\u1ea9n ASTM<\/td><td>4130<\/td><\/tr><tr><td rowspan=\"3\"><strong>\u0110\u1ee9c<\/strong><\/td><td>DIN EN\/DIN<\/td><td>25CrMo4<\/td><\/tr><tr><td>S\u1ed1 W<\/td><td>1.7218<\/td><\/tr><tr><td>S\u1ed1 L-T<\/td><td>1.7214<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p 4130<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u00e1c y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0.28~0.33<\/td><\/tr><tr><td>Silic (Si)<\/td><td>0.15~0.35<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.4~0.6<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u22640,035<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u22640,04<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>0.8~1.1<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>\u22640,25<\/td><\/tr><tr><td>\u0110\u1ed3ng (Cu)<\/td><td>\u22640,35<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>0.15~0.25<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4130 T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (ti\u1ebfng Anh)<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Brinell)<\/td><td>255 HB<\/td><td>255 HB<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>930MPa<\/td><td>135 kil\u00f4m\u00e9t<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>725MPa<\/td><td>105 kil\u00f4m\u00e9t<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>16%<\/td><td>16%<\/td><\/tr><tr><td>Gi\u1ea3m Di\u1ec7n T\u00edch<\/td><td>55%<\/td><td>55%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>205 GPa<\/td><td>29.700 kil\u00f4gam<\/td><\/tr><tr><td>M\u00f4 \u0111un kh\u1ed1i<\/td><td>160 GPa<\/td><td>23.200 kil\u00f4gam<\/td><\/tr><tr><td>M\u00f4 \u0111un c\u1eaft<\/td><td>80,0 GPa<\/td><td>11.600 kil\u00f4gam<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.29<\/td><td>0.29<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>70%<\/td><td>70%<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4130 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (ti\u1ebfng Anh)<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,85g\/cm\u00b3<\/td><td>0,284 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1425\u00b0C<\/td><td>2600\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>12,6 \u03bcm\/m-\u00b0C<\/td><td>7,0 \u00d7 10\u207b\u2076 in\/in-\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a th\u00e9p 4130<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00ednh ch\u1ea5t nhi\u1ec7t<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Nhi\u1ec7t \u0111\u1ed9 (M\u00e9t)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (ti\u1ebfng Anh)<\/strong><\/td><td><strong>Nhi\u1ec7t \u0111\u1ed9 (ti\u1ebfng Anh)<\/strong><\/td><\/tr><tr><td rowspan=\"3\">Nhi\u1ec7t dung ri\u00eang<\/td><td>0,477 J\/g-\u00b0C<\/td><td>\u2265100\u00b0C<\/td><td>0,114 BTU\/lb-\u00b0F<\/td><td>\u2265212\u00b0F<\/td><\/tr><tr><td>0,523 J\/g-\u00b0C<\/td><td>150-200\u00b0C<\/td><td>0,125 BTU\/lb-\u00b0F<\/td><td>302-392\u00b0F<\/td><\/tr><tr><td>0,837 J\/g-\u00b0C<\/td><td>750-800\u00b0C<\/td><td>0,200 BTU\/lb-\u00b0F<\/td><td>1380-1470\u00b0F<\/td><\/tr><tr><td rowspan=\"3\">\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>30,1 W\/mK<\/td><td>1200\u00b0C<\/td><td>209 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td><td>2190\u00b0F<\/td><\/tr><tr><td>40,7 W\/mK<\/td><td>300\u00b0C<\/td><td>282 BTU-in\/hr-ft\u00b2-\u00b0F<\/td><td>572\u00b0F<\/td><\/tr><tr><td>42,7 W\/mK<\/td><td>100\u00b0C<\/td><td>296 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td><td>212\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">4130 S\u1ea3n xu\u1ea5t th\u00e9p<\/h2><h3 class=\"wp-block-heading\">R\u00e8n<\/h3><p class=\"wp-block-paragraph\">R\u00e8n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>954\u00b0C v\u00e0 1204\u00b0C (1750\u00b0F v\u00e0 2200\u00b0F)<\/strong>. \u1ede ph\u1ea1m vi n\u00e0y, th\u00e9p tr\u1edf n\u00ean d\u1ec5 u\u1ed1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u00ecnh d\u01b0\u1edbi \u00e1p su\u1ea5t cao. R\u00e8n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u1ea5u tr\u00fac h\u1ea1t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, c\u1ea7n x\u1eed l\u00fd b\u1ed5 sung. Nhi\u1ec7t \u0111\u1ed9 ho\u00e0n thi\u1ec7n th\u1ea5p h\u01a1n th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn h\u01a1n.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t<\/h3><ol class=\"wp-block-list\"><li><strong>\u1ee6<\/strong><\/li><\/ol><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i <strong>843\u00b0C (1550\u00b0F)<\/strong>. Th\u00e9p \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y v\u00e0 sau \u0111\u00f3 l\u00e0m ngu\u1ed9i ch\u1eadm v\u1edbi t\u1ed1c \u0111\u1ed9 <strong>d\u01b0\u1edbi 50\u00b0F m\u1ed9t gi\u1edd (28\u00b0C m\u1ed9t gi\u1edd)<\/strong> \u0110\u1ebeN <strong>900\u00b0F (482\u00b0C)<\/strong>, sau \u0111\u00f3 l\u00e0 l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u00e0m vi\u1ec7c d\u1ec5 d\u00e0ng h\u01a1n.<\/p><ol start=\"2\" class=\"wp-block-list\"><li><strong>Chu\u1ea9n h\u00f3a<\/strong><\/li><\/ol><p class=\"wp-block-paragraph\">Th\u00e9p 4130 \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn <strong>900\u00b0C (1650\u00b0F)<\/strong> v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i trong d\u1ea7u. \u0110i\u1ec1u n\u00e0y l\u00e0m tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t, \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed3ng nh\u1ea5t trong su\u1ed1t. Nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 thay \u0111\u1ed5i kho\u1ea3ng <strong>50\u00b0F (10\u00b0C)<\/strong> t\u00f9y thu\u1ed9c v\u00e0o k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p><ol start=\"3\" class=\"wp-block-list\"><li><strong>L\u00e0m c\u1ee9ng<\/strong><\/li><\/ol><p class=\"wp-block-paragraph\">4130 \u0111\u01b0\u1ee3c \u0111un n\u00f3ng \u0111\u1ebfn <strong>815\u00b0C \u0111\u1ebfn 870\u00b0C (1500\u00b0F \u0111\u1ebfn 1600\u00b0F)<\/strong> v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i trong d\u1ea7u ho\u1eb7c n\u01b0\u1edbc, t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ti\u1ebft di\u1ec7n. Qu\u00e1 tr\u00ecnh l\u00e0m c\u1ee9ng n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/p><ol start=\"4\" class=\"wp-block-list\"><li><strong>L\u00e0m ngu\u1ed9i<\/strong><\/li><\/ol><p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u1eefa <strong>398\u00b0C v\u00e0 565\u00b0C (750\u00b0F v\u00e0 1050\u00b0F)<\/strong> \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai. Nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n th\u1ea5p h\u01a1n l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n nh\u01b0ng n\u00ean tr\u00e1nh ph\u1ea1m vi <strong>200\u00b0C \u0111\u1ebfn 420\u00b0C (400\u00b0F \u0111\u1ebfn 790\u00b0F)<\/strong> \u0111\u1ec3 tr\u00e1nh b\u1ecb gi\u00f2n.<\/p><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c l\u1ea1nh<\/h3><p class=\"wp-block-paragraph\">L\u00e0m ngu\u1ed9i li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u00ecnh th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, th\u01b0\u1eddng l\u00e0 sau khi th\u00e9p \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a ho\u1eb7c \u1ee7. \u0110i\u1ec1u n\u00e0y l\u00e0m th\u00e9p c\u1ee9ng h\u01a1n th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n bi\u1ebfn d\u1ea1ng, nh\u01b0ng c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u00ecnh ti\u1ebfp theo tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n khi \u0111\u1ed9 c\u1ee9ng t\u0103ng l\u00ean.<\/p><h2 class=\"wp-block-heading\">4130 Gia c\u00f4ng th\u00e9p<\/h2><h3 class=\"wp-block-heading\">C\u1eaft<\/h3><p class=\"wp-block-paragraph\">Vi\u1ec7c c\u1eaft th\u00e9p 4130 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 th\u00e9p t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1ea7u cacbua. C\u00e1c k\u1ef9 thu\u1eadt \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m <strong>c\u1eaft laser<\/strong>, <strong>c\u1eaft tia n\u01b0\u1edbc<\/strong>, ho\u1eb7c <strong>c\u01b0a b\u0103ng<\/strong>. C\u1eaft laser r\u1ea5t ch\u00ednh x\u00e1c v\u00e0 gi\u1ea3m thi\u1ec3u nhu c\u1ea7u x\u1eed l\u00fd sau.<\/p><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p 4130 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u01a1ng m\u1ea1i. L\u00e0m n\u00f3ng tr\u01b0\u1edbc th\u00e9p \u0111\u1ec3 <strong>150\u00b0C \u0111\u1ebfn 260\u00b0C (300\u00b0F \u0111\u1ebfn 500\u00b0F)<\/strong> \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb v\u00e0 n\u00ean s\u1eed d\u1ee5ng \u0111i\u1ec7n c\u1ef1c hydro th\u1ea5p. Sau khi h\u00e0n, c\u00f3 th\u1ec3 c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t gi\u1ea3m \u1ee9ng su\u1ea5t sau h\u00e0n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n, \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong. Th\u00e9p ph\u1ea3i ngu\u1ed9i ch\u1eadm \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/h3><p class=\"wp-block-paragraph\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t, nh\u01b0 <strong>th\u1ea5m cacbon<\/strong>, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a th\u00e9p b\u1eb1ng c\u00e1ch t\u1ea1o ra l\u1edbp ngo\u00e0i c\u1ee9ng. Qu\u00e1 tr\u00ecnh n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n trong khi v\u1eabn gi\u1eef cho l\u00f5i c\u1ee9ng h\u01a1n. Ngo\u00e0i ra, <strong>m\u1ea1<\/strong>, <strong>l\u1edbp ph\u1ee7<\/strong>, ho\u1eb7c <strong>b\u1ee9c v\u1ebd<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00e9p kh\u1ecfi b\u1ecb \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m th\u00e9p 4130<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Lo\u1ea1i s\u1ea3n ph\u1ea9m<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc (H\u1ec7 m\u00e9t)<\/strong><\/td><td><strong>Ph\u1ea1m vi k\u00edch th\u01b0\u1edbc (Ti\u1ebfng Anh)<\/strong><\/td><\/tr><tr><td>Thanh tr\u00f2n<\/td><td>5 mm \u0111\u1ebfn 300 mm (\u0110\u01b0\u1eddng k\u00ednh)<\/td><td>0,20 in \u0111\u1ebfn 12 in (\u0110\u01b0\u1eddng k\u00ednh)<\/td><\/tr><tr><td>Thanh vu\u00f4ng<\/td><td>5 mm \u0111\u1ebfn 150 mm (Chi\u1ec1u d\u00e0i c\u1ea1nh)<\/td><td>0,20 in \u0111\u1ebfn 6 in (Chi\u1ec1u d\u00e0i c\u1ea1nh)<\/td><\/tr><tr><td>Thanh l\u1ee5c gi\u00e1c<\/td><td>10 mm \u0111\u1ebfn 100 mm (Chi\u1ec1u d\u00e0i c\u1ea1nh)<\/td><td>0,39 in \u0111\u1ebfn 4 in (Chi\u1ec1u d\u00e0i c\u1ea1nh)<\/td><\/tr><tr><td>Thanh ph\u1eb3ng<\/td><td>10 mm \u0111\u1ebfn 200 mm (Chi\u1ec1u r\u1ed9ng\/\u0110\u1ed9 d\u00e0y)<\/td><td>0,39 in \u0111\u1ebfn 8 in (Chi\u1ec1u r\u1ed9ng\/\u0110\u1ed9 d\u00e0y)<\/td><\/tr><tr><td>\u0110\u0129a<\/td><td>3 mm \u0111\u1ebfn 100 mm (\u0110\u1ed9 d\u00e0y)<\/td><td>0,12 in \u0111\u1ebfn 4 in (\u0110\u1ed9 d\u00e0y)<\/td><\/tr><tr><td>\u1ed0ng<\/td><td>19 mm \u0111\u1ebfn 150 mm (OD)<\/td><td>0,75 inch \u0111\u1ebfn 6 inch (OD)<\/td><\/tr><tr><td>\u1ed0ng h\u00e0n<\/td><td>10 mm \u0111\u1ebfn 50 mm (\u0110\u1ed9 d\u00e0y th\u00e0nh)<\/td><td>0,39 in \u0111\u1ebfn 2 in (\u0110\u1ed9 d\u00e0y th\u00e0nh)<\/td><\/tr><tr><td>\u1ed0ng li\u1ec1n m\u1ea1ch<\/td><td>15 mm \u0111\u1ebfn 200 mm (OD)<\/td><td>0,59 inch \u0111\u1ebfn 8 inch (OD)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 th\u00e9p h\u1ee3p kim 4130<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p 4130 c\u00f3 ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng?<\/h3><p class=\"wp-block-paragraph\">Kh\u00f4ng, th\u00e9p 4130 kh\u00f4ng ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9. \u0110\u00e2y l\u00e0 th\u00e9p h\u1ee3p kim th\u1ea5p, ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom cao c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9.<\/p><h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p 4130 v\u00e0 4140 l\u00e0 g\u00ec?<\/h3><p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon. 4130 c\u00f3 \u00edt carbon h\u01a1n, khi\u1ebfn n\u00f3 d\u1ec5 h\u00e0n h\u01a1n v\u00e0 d\u1ec5 gia c\u00f4ng h\u01a1n. <a href=\"https:\/\/steelprogroup.com\/vi\/steel-bar\/4140\/\">4140<\/a> c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n, gi\u00fap v\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n, ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1ng n\u1eb7ng.<\/p><h2 class=\"wp-block-heading\">Ch\u1ecdn th\u00e9p 4130 \u0111\u1ec3 c\u00f3 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t<\/h2><p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm th\u00e9p h\u1ee3p kim 4130 \u0111\u00e1ng tin c\u1eady cho d\u1ef1 \u00e1n ti\u1ebfp theo c\u1ee7a m\u00ecnh, SteelPro Group cung c\u1ea5p th\u00e9p 4130 cao c\u1ea5p \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n cao nh\u1ea5t c\u1ee7a ng\u00e0nh. Ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c y\u00eau c\u1ea7u ri\u00eang c\u1ee7a b\u1ea1n. H\u00e3y li\u00ean h\u1ec7 ngay h\u00f4m nay \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 ho\u1eb7c t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c t\u00f9y ch\u1ecdn th\u00e9p 4130 c\u1ee7a ch\u00fang t\u00f4i.<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Did you know that 4130 alloy steel plays a crucial role in everything from jet engines to heavy-duty construction equipment? [&hellip;]<\/p>","protected":false},"author":12,"featured_media":20859,"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":[4308],"tags":[],"class_list":["post-20872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alloy-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20872","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=20872"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20872\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20859"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}