{"id":21767,"date":"2025-03-28T06:31:00","date_gmt":"2025-03-27T22:31:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21767"},"modified":"2025-03-31T09:29:57","modified_gmt":"2025-03-31T01:29:57","slug":"maraging-300-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/maraging-300-steel\/","title":{"rendered":"Maraging 300 Th\u00e9p h\u1ee3p kim AMS 6514 | UNS K93120"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p h\u1ee3p kim Maraging 300 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u1eb7c bi\u1ec7t, l\u00fd t\u01b0\u1edfng cho ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng v\u00e0 gia c\u00f4ng ch\u00ednh x\u00e1c. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p v\u1eadt li\u1ec7u AMS 6514 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u1edf d\u1ea1ng thanh, t\u1ea5m v\u00e0 t\u1ea5m cho c\u00e1c d\u1ef1 \u00e1n quan tr\u1ecdng. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1c \u0111\u1eb7c t\u00ednh, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 c\u00e1ch t\u00ecm ngu\u1ed3n cung \u1ee9ng \u0111\u00e1ng tin c\u1eady.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p AISI Maraging 300 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Maraging 300 (AMS 6514\/UNS K93120) l\u00e0 h\u1ee3p kim th\u00e9p gia c\u01b0\u1eddng niken, coban 18% \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1ef1c cao. Maraging 300 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n cao, gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n l\u00ean \u0111\u1ebfn 450\u00b0C v\u00e0 c\u00f3 \u0111\u1ed9 d\u1ebbo dai tuy\u1ec7t v\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ed1c v\u00edt h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c th\u00e0nh ph\u1ea7n t\u00ean l\u1eeda v\u00e0 d\u1ee5ng c\u1ee5 ch\u1ecbu \u1ee9ng su\u1ea5t cao. So v\u1edbi Maraging 250, n\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n nh\u01b0ng \u0111\u1ed9 d\u1ebbo dai gi\u1ea3m nh\u1eb9.<\/p><p class=\"wp-block-paragraph\">Maraging 300 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung ch\u1ea3y ch\u00e2n kh\u00f4ng k\u00e9p (VIM + VAR), \u0111\u1ea3m b\u1ea3o t\u1ea1p ch\u1ea5t \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ed3ng nh\u1ea5t. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c cung c\u1ea5p trong \u0111i\u1ec1u ki\u1ec7n \u1ee7 (RC 30-35), gi\u00fap v\u1eadt li\u1ec7u m\u1ec1m v\u00e0 d\u1ec5 gia c\u00f4ng ho\u1eb7c t\u1ea1o h\u00ecnh. X\u1eed l\u00fd nhi\u1ec7t \u0111\u01a1n gi\u1ea3n \u1edf 482\u00b0C (900\u00b0F) l\u00e0m t\u0103ng gi\u1edbi h\u1ea1n ch\u1ea3y l\u00ean h\u01a1n 1.862 MPa (270 ksi) trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 gi\u00e3n d\u00e0i 11% v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp kh\u00eda tuy\u1ec7t v\u1eddi.<\/p><h2 class=\"wp-block-heading\">T\u1ed5ng quan v\u1ec1 \u0111\u1eb7c t\u00ednh c\u1ee7a th\u00e9p h\u1ee3p kim Maraging 300<\/h2><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ef1c cao<\/strong>: \u0110\u1ea1t 2000-2400 MPa sau khi l\u00e3o h\u00f3a, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p c\u00f4ng c\u1ee5 th\u00f4ng th\u01b0\u1eddng.<\/li>\n\n<li><strong>C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n cao<\/strong>: Ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u00e1p su\u1ea5t c\u1ef1c l\u1edbn, th\u00edch h\u1ee3p cho c\u00e1c d\u1ee5ng c\u1ee5 ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i<\/strong>: Ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng tu\u1ea7n ho\u00e0n trong c\u00e1c chi ti\u1ebft c\u1ed1 \u0111\u1ecbnh v\u00e0 th\u00e0nh ph\u1ea7n rotor c\u1ee7a ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng h\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n nung n\u00f3ng tr\u01b0\u1edbc<\/strong>: Duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac sau khi h\u00e0n, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c s\u1eeda ch\u1eefa ho\u1eb7c l\u1eafp r\u00e1p.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng gia c\u00f4ng &amp; kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/strong>: Tr\u1ea1ng th\u00e1i \u1ee7 m\u1ec1m cho ph\u00e9p t\u1ea1o h\u00ecnh ph\u1ee9c t\u1ea1p, t\u1ea1o h\u00ecnh ngu\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng \u0111\u00e1nh b\u00f3ng nh\u01b0 g\u01b0\u01a1ng tr\u01b0\u1edbc khi l\u00e3o h\u00f3a.<\/li>\n\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 n\u1ee9t<\/strong>: Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n th\u00e9p ti\u00eau chu\u1ea9n trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc m\u1eb7n v\u00e0 axit.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p Maraging 300<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>N\u1ed9i dung<\/strong><\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u2264 0,03<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 0,1<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 0,1<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,01<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,01<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>18 ~ 19<\/td><\/tr><tr><td>Coban (Co)<\/td><td>8.5 ~ 9.5<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>4.6 ~ 5.2<\/td><\/tr><tr><td>Titan (Ti)<\/td><td>0.5 ~ 0.8<\/td><\/tr><tr><td>Nh\u00f4m (Al)<\/td><td>0.05 ~ 0.15<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>\u2264 0,5<\/td><\/tr><tr><td>\u0110\u1ed3ng (Cu)<\/td><td>\u2264 0,5<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Maraging 300 T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p<\/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>S\u1ee9c ch\u1ecbu l\u1ef1c (Gi\u00e0)<\/td><td>1862MPa<\/td><td>270 kil\u00f4m\u00e9t<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a<\/td><td>2000\u20132400MPa<\/td><td>290\u2013348 ksi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i (Gi\u00e0)<\/td><td>0.11<\/td><td>0.11<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (\u1ee6)<\/td><td>30\u201335 HRC<\/td><td>30\u201335 HRC<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Gi\u00e0)<\/td><td>50\u201355 HRC<\/td><td>50\u201355 HRC<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Maraging 300 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p<\/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>7,99 g\/cm\u00b3<\/td><td>0,289 lb\/in\u00b3<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>190 GPa<\/td><td>27,5 \u00d7 10\u2076 psi<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>10,08 \u03bcm\/m\u00b7\u00b0C (20\u2013100\u00b0C)<\/td><td>5,6 \u00d7 10\u207b\u2076 in\/in\/\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Thanh th\u00e9p Maraging 300 | T\u1ea5m | Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a t\u1ea5m<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p Maraging 300 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u d\u1ea1ng s\u1ea3n ph\u1ea9m, bao g\u1ed3m thanh, t\u1ea5m, t\u1ea5m m\u1ecfng v\u00e0 \u1ed1ng. K\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo nhu c\u1ea7u d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 AMS 6514 v\u00e0 AMS 6521. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n c\u00f3 s\u1eb5n \u0111\u1ec3 giao h\u00e0ng nhanh:<\/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 m\u00e9t<\/strong><\/td><td><strong>K\u00edch th\u01b0\u1edbc c\u1ee7a \u0110\u1ebf ch\u1ebf<\/strong><\/td><\/tr><tr><td rowspan=\"2\">Thanh tr\u00f2n<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 10\u2013300 mm<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 0,4\u201312 in<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i: 1.000\u20136.000 mm<\/td><td>Chi\u1ec1u d\u00e0i: 39\u2013236 in<\/td><\/tr><tr><td rowspan=\"2\">\u0110\u0129a<\/td><td>\u0110\u1ed9 d\u00e0y: 5\u2013150 mm<\/td><td>\u0110\u1ed9 d\u00e0y: 0,2\u20136 in<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng: 500\u20132.000 mm<\/td><td>Chi\u1ec1u r\u1ed9ng: 20\u201379 in<\/td><\/tr><tr><td rowspan=\"2\">T\u1ea5m tr\u1ea3i gi\u01b0\u1eddng<\/td><td>\u0110\u1ed9 d\u00e0y: 0,5\u20135 mm<\/td><td>\u0110\u1ed9 d\u00e0y: 0,02\u20130,2 in<\/td><\/tr><tr><td>Chi\u1ec1u r\u1ed9ng: 1.000\u20131.500 mm<\/td><td>Chi\u1ec1u r\u1ed9ng: 39\u201359 in<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng th\u00e9p Maraging 300<\/h2><ul class=\"wp-block-list\"><li><strong>Linh ki\u1ec7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong>:B\u1ed9 ph\u1eadn h\u1ea1 c\u00e1nh, v\u1ecf \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda v\u00e0 tr\u1ee5c tua-bin \u0111\u00f2i h\u1ecfi t\u1ef7 l\u1ec7 \u0111\u1ed9 b\u1ec1n tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng c\u1ef1c cao.<\/li>\n\n<li><strong>H\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7<\/strong>: \u1ed0ng ph\u00f3ng t\u00ean l\u1eeda, b\u1ed9 ph\u1eadn xe b\u1ecdc th\u00e9p v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n v\u0169 kh\u00ed ch\u1ed1ng n\u1ed5.<\/li>\n\n<li><strong>Gia c\u00f4ng ch\u00ednh x\u00e1c<\/strong>: Khu\u00f4n \u00e9p phun, khu\u00f4n \u0111\u00f9n v\u00e0 d\u1ee5ng c\u1ee5 r\u00e8n ch\u1ecbu \u1ee9ng su\u1ea5t nhi\u1ec7t tu\u1ea7n ho\u00e0n.<\/li>\n\n<li><strong>Tr\u1ee5c hi\u1ec7u su\u1ea5t cao<\/strong>: Tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn r\u00f4-to trong thi\u1ebft b\u1ecb ph\u00e1t \u0111i\u1ec7n.<\/li>\n\n<li><strong>Thi\u1ebft b\u1ecb y t\u1ebf<\/strong>: D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 d\u1ee5ng c\u1ee5 c\u1ea5y gh\u00e9p c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc v\u00e0 kh\u1eed tr\u00f9ng.<\/li><\/ul><p class=\"wp-block-paragraph\"><strong><em>B\u1ea1n c\u1ea7n Maraging 300 cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh?<\/em><\/strong><em> SteelPro Group cung c\u1ea5p v\u1eadt li\u1ec7u \u0111\u1ea1t ch\u1ee9ng nh\u1eadn AMS 6514 v\u1edbi d\u1ecbch v\u1ee5 giao h\u00e0ng nhanh ch\u00f3ng.<\/em><\/p><h2 class=\"wp-block-heading\">Maraging 300 S\u1ea3n xu\u1ea5t &amp; Ch\u1ebf bi\u1ebfn Th\u00e9p<\/h2><h3 class=\"wp-block-heading\">1. N\u1ea5u ch\u1ea3y &amp; \u0110\u00fac<\/h3><ul class=\"wp-block-list\"><li><strong>Tinh ch\u1ebf ch\u00e2n kh\u00f4ng k\u00e9p<\/strong>: K\u1ebft h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y c\u1ea3m \u1ee9ng ch\u00e2n kh\u00f4ng (VIM) v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y l\u1ea1i h\u1ed3 quang ch\u00e2n kh\u00f4ng (VAR) \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u1ea1p ch\u1ea5t (C \u22640,03%, S\/P \u22640,01%) v\u00e0 \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ed3ng nh\u1ea5t.<\/li>\n\n<li><strong>S\u1ef1 h\u00ecnh th\u00e0nh th\u1ecfi<\/strong>: \u0110\u00fac th\u00e0nh ph\u00f4i ho\u1eb7c t\u1ea5m \u0111\u1ec3 gia c\u00f4ng n\u00f3ng\/l\u1ea1nh ti\u1ebfp theo.<\/li><\/ul><h3 class=\"wp-block-heading\">2. X\u1eed l\u00fd nhi\u1ec7t<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Qu\u00e1 tr\u00ecnh<\/strong><\/td><td><strong>Nhi\u1ec7t \u0111\u1ed9<\/strong><\/td><td><strong>Th\u1eddi gian<\/strong><\/td><td><strong>K\u1ebft qu\u1ea3<\/strong><\/td><\/tr><tr><td><strong>Dung d\u1ecbch \u1ee7<\/strong><\/td><td>815\u2013870\u00b0C (1500\u20131600\u00b0F)<\/td><td>1 gi\u1edd cho m\u1ed7i inch \u0111\u1ed9 d\u00e0y<\/td><td>Chu\u1ea9n b\u1ecb gia c\u00f4ng; l\u00e0m m\u1ec1m v\u1eadt li\u1ec7u (30\u201335 HRC).<\/td><\/tr><tr><td><strong>Ti\u00eau chu\u1ea9n l\u00e3o h\u00f3a<\/strong><\/td><td>482\u2013496\u00b0C (900\u2013925\u00b0F)<\/td><td>6 gi\u1edd<\/td><td>\u0110\u1ed9 b\u1ec1n c\u1ef1c \u0111\u1ea1i (50\u201355 HRC, 2000+ MPa).<\/td><\/tr><tr><td><strong>L\u00e3o h\u00f3a chuy\u00ean bi\u1ec7t<\/strong><strong>(D\u00f9ng cho \u0111\u00fac khu\u00f4n)<\/strong><\/td><td>527\u2013538\u00b0C (980\u20131000\u00b0F)<\/td><td>6 gi\u1edd<\/td><td>T\u0103ng tu\u1ed5i th\u1ecd khu\u00f4n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00fac.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">3. H\u00ecnh th\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng<\/h3><ul class=\"wp-block-list\"><li><strong>L\u00e0m vi\u1ec7c n\u00f3ng\/l\u1ea1nh<\/strong>:Quy tr\u00ecnh n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1n, r\u00e8n v\u00e0 \u0111\u00f9n m\u00e0 kh\u00f4ng c\u1ea7n \u1ee7 trung gian. C\u00e1n ngu\u1ed9i cho ph\u00e9p gi\u1ea3m t\u1edbi 90% m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t.<\/li>\n\n<li><strong>H\u00ecnh d\u1ea1ng g\u1ea7n l\u01b0\u1edbi<\/strong>: R\u00e8n v\u00e0 t\u1ea1o h\u00ecnh t\u00f9y ch\u1ec9nh gi\u00fap gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i gia c\u00f4ng cho c\u00e1c b\u1ed9 ph\u1eadn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li><\/ul><h3 class=\"wp-block-heading\">4. K\u1ef9 thu\u1eadt gia c\u00f4ng<\/h3><ul class=\"wp-block-list\"><li><strong>Quay<\/strong>: D\u1ee5ng c\u1ee5 cacbua (c\u1ea5p C3) \u1edf t\u1ed1c \u0111\u1ed9 475 ft\/ph\u00fat v\u1edbi kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t b\u1eb1ng d\u1ea7u h\u00f2a tan \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ho\u00e0n thi\u1ec7n Ra \u22640,4 \u03bcm.<\/li>\n\n<li><strong>Phay\/Khoan<\/strong>: M\u00e1y c\u1eaft th\u00e9p t\u1ed1c \u0111\u1ed9 cao M2 v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfn dao 0,002\u20130,009 in\/r\u0103ng, s\u1eed d\u1ee5ng d\u1ea7u l\u01b0u hu\u1ef3nh \u0111\u1ec3 tho\u00e1t phoi.<\/li>\n\n<li><strong>Ki\u1ec3m so\u00e1t dung sai<\/strong>: Gi\u1eef \u00b10,002 in (\u00b10,05 mm) cho c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u01b0 v\u1ecf t\u00ean l\u1eeda.<\/li><\/ul><h3 class=\"wp-block-heading\">5. N\u1ed1i &amp; S\u1eeda ch\u1eefa<\/h3><ul class=\"wp-block-list\"><li><strong>H\u00e0n<\/strong>: Kh\u00f4ng c\u1ea7n gia nhi\u1ec7t tr\u01b0\u1edbc; qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a sau khi h\u00e0n gi\u00fap kh\u00f4i ph\u1ee5c c\u00e1c \u0111\u1eb7c t\u00ednh HAZ l\u00ean m\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 c\u01a1 b\u1ea3n l\u00e0 95%.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch l\u00e0m l\u1ea1i<\/strong>:C\u00e1c c\u00f4ng c\u1ee5\/linh ki\u1ec7n b\u1ecb h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i ho\u1eb7c x\u1eed l\u00fd l\u1ea1i \u0111\u1ec3 c\u00f3 th\u1eddi gian s\u1eed d\u1ee5ng th\u1ee9 c\u1ea5p.<\/li><\/ul><h3 class=\"wp-block-heading\">6. C\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t<\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n<\/strong>: \u0110\u1ea1t \u0111\u01b0\u1ee3c Ra &lt;0,2 \u03bcm cho d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 d\u1ee5ng c\u1ee5 quang h\u1ecdc.<\/li>\n\n<li><strong>Gi\u1ea3m c\u0103ng th\u1eb3ng<\/strong>: \u1ee6 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p 315\u00b0C (600\u00b0F) gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 bi\u1ebfn d\u1ea1ng trong c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/li><\/ul><h2 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u1edbi th\u00e9p Maraging 300 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn<\/h2><p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00f4 song, SteelPro cung c\u1ea5p th\u00e9p Maraging 300 tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt AMS 6514 v\u00e0 MIL-S-46850. H\u00e0ng t\u1ed3n kho c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m c\u00e1c thanh, t\u1ea5m v\u00e0 \u1ed1ng c\u00f3 k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 dung sai \u00b10,002\u2033 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n.<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Maraging 300 alloy steel offers exceptional strength and corrosion resistance, making it ideal for aerospace, defense, and precision tooling. At [&hellip;]<\/p>","protected":false},"author":12,"featured_media":21769,"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-21767","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\/21767","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=21767"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21767\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21769"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}