{"id":21391,"date":"2025-03-10T01:49:00","date_gmt":"2025-03-09T17:49:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21391"},"modified":"2025-03-10T14:02:12","modified_gmt":"2025-03-10T06:02:12","slug":"4330-steel-2","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/4330-steel\/","title":{"rendered":"Th\u00e9p h\u1ee3p kim AISI 4330 | UNS J24045 | Nh\u00e0 cung c\u1ea5p AMS 6411"},"content":{"rendered":"<p class=\"c7\"><span class=\"c2\">Th\u00e9p 4330 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c, khoan d\u1ea7u s\u00e2u v\u00e0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i \u0111\u00e3 d\u00e0nh nhi\u1ec1u th\u1eadp k\u1ef7 \u0111\u1ec3 tinh ch\u1ebf h\u1ee3p kim n\u00e0y \u0111\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c, v\u01b0\u1ee3t tr\u1ed9i trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/span><\/p><p class=\"c7\"><span class=\"c2\">H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi c\u1ee7a th\u00e9p 4330. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd n\u00eau b\u1eadt c\u00e1ch c\u00e1c quy tr\u00ecnh \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ISO c\u1ee7a ch\u00fang t\u00f4i bi\u1ebfn h\u1ee3p kim th\u00f4 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng, \u0111\u00e1ng tin c\u1eady.<\/span><\/p><h2 class=\"wp-block-heading c3\" id=\"h.sovzh6gsi4ou\"><span class=\"c15\">Th\u00e9p AISI 4330 l\u00e0 g\u00ec?<\/span><\/h2><p class=\"c7\">Th\u00e9p AISI 4330 l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p c\u00f3 \u0111\u1ed9 b\u1ec1n cao<span class=\"c2\">&nbsp;\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t. \u0110\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo AMS 6411, n\u00f3 k\u1ebft h\u1ee3p crom, niken v\u00e0 molypden \u0111\u1ec3 cung c\u1ea5p:<\/span><\/p><ul class=\"wp-block-list c20 lst-kix_qgjdhclttwu3-0 start\"><li><span class=\"c14\">Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ea5u tr\u00fac<\/span>: \u0110\u1ed9 b\u1ec1n k\u00e9o l\u00ean t\u1edbi 1.380 MPa (200 ksi)<span class=\"c2\">\u00a0sau khi x\u1eed l\u00fd nhi\u1ec7t.<\/span><\/li>\n\n<li><span class=\"c14\">Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/span><span class=\"c2\">: \u0110\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng niken gi\u00fap h\u1ea5p th\u1ee5 s\u1ed1c trong \u0111i\u1ec1u ki\u1ec7n d\u01b0\u1edbi 0 \u0111\u1ed9.<\/span><\/li>\n\n<li><span class=\"c14\">T\u00ednh linh ho\u1ea1t trong ch\u1ebf t\u1ea1o<\/span><span class=\"c2\">:Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi gia c\u00f4ng ngu\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n r\u1ea5t hi\u1ebfm \u1edf c\u00e1c h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao.<\/span><\/li><\/ul><p class=\"c7\">Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p th\u00f4ng th\u01b0\u1eddng, h\u00e0m l\u01b0\u1ee3ng carbon \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a c\u1ee7a 4330 (0,28\u20130,33%) c\u00e2n b\u1eb1ng kh\u1ea3 n\u0103ng t\u00f4i luy\u1ec7n v\u1edbi r\u1ee7i ro n\u1ee9t khi t\u00f4i gi\u1ea3m. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i tinh ch\u1ebf h\u1ee3p kim n\u00e0y th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n cho b\u1ed9 truy\u1ec1n \u0111\u1ed9ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, d\u1ee5ng c\u1ee5 khoan ngo\u00e0i kh\u01a1i v\u00e0 h\u1ec7 th\u1ed1ng \u00f4 t\u00f4 ch\u1ecbu \u1ee9ng su\u1ea5t cao\u2014n\u01a1i m\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i b\u1eb1ng kh\u00f4ng.<\/p><h2 class=\"wp-block-heading c3\" id=\"h.ei826o403ifj\"><span class=\"c15\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p 4330<\/span><\/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>S\u1eaft (Fe)<\/td><td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>1~1.5%<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 1,0%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 0,80%<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>0.40~0.60%<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>0.30~0.50%<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0.20~0.30%<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading c3\" id=\"h.aoaybovkfuj0\"><span class=\"c15\">4330 T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p<\/span><\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u1ee7a c\u1ea3i<\/strong><\/td><td><strong>H\u1ec7 m\u00e9t<\/strong><\/td><td><strong>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>\u2265 860MPa<\/td><td>\u2265 125000 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>\u2265 690MPa<\/td><td>\u2265 100000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (50 mm)<\/td><td>\u2265 15.0 %<\/td><td>\u2265 15.0 %<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Brinell<\/td><td>285<\/td><td>285<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading c3\" id=\"h.8app8jva5ewr\"><span class=\"c15\">4330 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p<\/span><\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u1ee7a c\u1ea3i<\/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>7,85g\/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>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>42 W\/m\u00b7K<\/td><td>24 BTU\u00b7in\/h\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>11,5 \u00b5m\/m\u00b7K<\/td><td>6,39 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading c22\" id=\"h.syd4m5ybpl6\"><span class=\"c15\">\u1ee8ng d\u1ee5ng th\u00e9p 4330<\/span><\/h2><p class=\"c7\"><span class=\"c2\">S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa s\u1ee9c m\u1ea1nh, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a th\u00e9p AISI 4330 khi\u1ebfn n\u00f3 tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 g\u00e2y ra th\u1ea3m h\u1ecda. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh bao g\u1ed3m:<\/span><\/p><ul class=\"wp-block-list c20 lst-kix_rs8hkvliz1ad-0 start\"><li><span class=\"c14\">B\u1ed9 truy\u1ec1n \u0111\u1ed9ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 &amp; b\u00e1nh \u0111\u00e1p<\/span><span class=\"c2\">: Ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng t\u00e1c \u0111\u1ed9ng m\u1ea1nh l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong h\u1ec7 th\u1ed1ng thu h\u1ed3i c\u1ee7a m\u00e1y bay (tu\u00e2n th\u1ee7 AMS 6411).<\/span><\/li>\n\n<li><span class=\"c14\">V\u00f2ng c\u1ed5 khoan d\u1ea7u kh\u00ed<\/span><span class=\"c2\">: Ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t u\u1ed1n v\u00e0 xo\u1eafn khi khoan \u0111\u1ecbnh h\u01b0\u1edbng \u1edf \u0111\u1ed9 s\u00e2u v\u01b0\u1ee3t qu\u00e1 3.000 m\u00e9t.<\/span><\/li>\n\n<li><span class=\"c14\">\u00d4 t\u00f4 hi\u1ec7u su\u1ea5t cao<\/span><span class=\"c2\">: Tr\u1ee5c khu\u1ef7u, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn h\u1ec7 th\u1ed1ng treo cho xe \u0111ua v\u00e0 xe h\u1ea1ng n\u1eb7ng.<\/span><\/li>\n\n<li><span class=\"c14\">D\u1ee5ng c\u1ee5 b\u1ebb g\u00e3y th\u1ee7y l\u1ef1c<\/span><span class=\"c2\">: Qu\u1ea3n l\u00fd \u00e1p su\u1ea5t tu\u1ea7n ho\u00e0n l\u00ean t\u1edbi 15.000 psi trong m\u00e1y b\u01a1m v\u00e0 th\u00e2n van c\u1ee7a qu\u00e1 tr\u00ecnh n\u1ee9t v\u1ee1 th\u1ee7y l\u1ef1c.<\/span><\/li>\n\n<li><span class=\"c14\">H\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7<\/span>: C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a xe b\u1ecdc th\u00e9p v\u00e0 ph\u00e1o binh y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp \u0111\u1ea1n \u0111\u1ea1o.<\/li><\/ul><h2 class=\"wp-block-heading c3\" id=\"h.drwqidqli630\">4330 H\u00ecnh d\u1ea1ng s\u1ea3n ph\u1ea9m th\u00e9p v\u00e0 k\u00edch th\u01b0\u1edbc<\/h2><p class=\"c7\">C\u1ee7a ch\u00fang t\u00f4i <span class=\"c2\">Th\u00e9p AISI 4330 \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi nhi\u1ec1u h\u00ecnh th\u1ee9c \u0111a d\u1ea1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u00f4ng nghi\u1ec7p kh\u1eaft khe, tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u00ean to\u00e0n c\u1ea7u. SteelPro Group cung c\u1ea5p c\u00e1c c\u1ea5u h\u00ecnh s\u1ea3n ph\u1ea9m sau:<\/span><\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Lo\u1ea1i s\u1ea3n ph\u1ea9m<\/strong><\/td><td><strong>K\u00edch th\u01b0\u1edbc<\/strong><\/td><\/tr><tr><td>Thanh tr\u00f2n<\/td><td>\u0110\u01b0\u1eddng k\u00ednh: 12mm\u2013600mm (0,5\u2033\u201324\u2033) Chi\u1ec1u d\u00e0i: \u226412m (40 ft)<\/td><\/tr><tr><td>Thanh &amp; T\u1ea5m Ph\u1eb3ng<\/td><td>\u0110\u1ed9 d\u00e0y: 6mm\u2013250mm (0,25\u2033\u201310\u2033)Chi\u1ec1u r\u1ed9ng: \u22643m (10 ft)<\/td><\/tr><tr><td>\u1ed0ng li\u1ec1n m\u1ea1ch<\/td><td>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD): 20mm\u2013400mm (0,8\u2033\u201316\u2033)\u0110\u1ed9 d\u00e0y th\u00e0nh: 3mm\u201350mm (0,12\u2033\u20132\u2033)<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"c7\">Th\u00e9p 4330 c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c cung c\u1ea5p \u1edf d\u1ea1ng \u1ee7, th\u01b0\u1eddng h\u00f3a ho\u1eb7c t\u00f4i &amp; ram (Q&amp;T), v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh theo y\u00eau c\u1ea7u.<\/p><h2 class=\"wp-block-heading c3\" id=\"h.8tk383adqhiy\"><span class=\"c15\">4330 R\u00e8n th\u00e9p<\/span><\/h2><p class=\"c7\">\u0110\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo \u0111\u1eb7c bi\u1ec7t c\u1ee7a th\u00e9p AISI 4330 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c th\u00e0nh ph\u1ea7n r\u00e8n c\u00f3 t\u00ednh to\u00e0n v\u1eb9n cao. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i r\u00e8n h\u1ee3p kim 4330 trong ph\u1ea1m vi t\u1ed1i \u01b0u c\u1ee7a <span class=\"c14\">982\u20131204\u00b0C (1800\u20132200\u00b0F) <\/span>\u0111\u1ec3 tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t d\u01b0.<\/p><h2 class=\"wp-block-heading c3\" id=\"h.14mla7qlmces\"><span class=\"c15\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p 4330<\/span><\/h2><p class=\"c7\"><span class=\"c2\">Hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p AISI 4330 ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c \u0111\u1ec3 c\u00e2n b\u1eb1ng \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi. C\u00e1c giao th\u1ee9c x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a SteelPro Group tu\u00e2n th\u1ee7 AMS 2759 v\u00e0 t\u1eadn d\u1ee5ng nhi\u1ec1u th\u1eadp k\u1ef7 chuy\u00ean m\u00f4n v\u1ec1 luy\u1ec7n kim \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a h\u1ee3p kim n\u00e0y cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng:<\/span><\/p><h3 class=\"wp-block-heading c3\" id=\"h.ls2wi5g15iy7\"><span class=\"c12\">1. \u1ee6<\/span><\/h3><ul class=\"wp-block-list c20 lst-kix_gf7se24xfjzt-0 start\"><li>Quy tr\u00ecnh: \u1ee6 ho\u00e0n to\u00e0n \u1edf 816\u2013899\u00b0C (1500\u20131650\u00b0F)<span class=\"c2\">\u00a0ti\u1ebfp theo l\u00e0 l\u00e0m ngu\u1ed9i l\u00f2.<\/span><\/li>\n\n<li>K\u1ebft qu\u1ea3: Gi\u1ea3m \u0111\u1ed9 c\u1ee9ng xu\u1ed1ng c\u00f2n 200\u2013230 HB<span class=\"c2\">, n\u00e2ng cao kh\u1ea3 n\u0103ng gia c\u00f4ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng CNC ph\u1ee9c t\u1ea1p.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c3\" id=\"h.ffki4ua05lie\"><span class=\"c12\">2. Chu\u1ea9n h\u00f3a<\/span><\/h3><ul class=\"wp-block-list c20 lst-kix_kgmww1w9xdte-0 start\"><li>Nhi\u1ec7t \u0111\u1ed9: 899\u00b0C (1650\u00b0F)<span class=\"c2\">\u00a0\u0111\u1ec3 tinh ch\u1ebf h\u1ea1t tr\u01b0\u1edbc khi l\u00e0m c\u1ee9ng.<\/span><\/li>\n\n<li>L\u1ee3i \u00edch<span class=\"c2\">:C\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ed3ng nh\u1ea5t l\u00fd t\u01b0\u1edfng cho c\u00e1c th\u00e0nh ph\u1ea7n y\u00eau c\u1ea7u t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1eb3ng h\u01b0\u1edbng.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c3\" id=\"h.rfz99o3mg4px\"><span class=\"c12\">3. L\u00e0m ngu\u1ed9i<\/span><\/h3><ul class=\"wp-block-list c20 lst-kix_8yoiu6k9zg5z-0 start\"><li>Austenitizing: \u0110un n\u00f3ng \u0111\u1ebfn 829\u00b0C (1525\u00b0F)<span class=\"c2\">\u00a0\u0111\u1ec3 h\u00f2a tan cacbua.<\/span><\/li>\n\n<li>Trung b\u00ecnh<span class=\"c2\">: Qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i nhanh b\u1eb1ng d\u1ea7u \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 chuy\u1ec3n \u0111\u1ed5i martensitic v\u1edbi \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c3\" id=\"h.sp7vxbnqlx58\"><span class=\"c12\">4. \u1ee6<\/span><\/h3><ul class=\"wp-block-list c20 lst-kix_2cmai7gcd0n3-0 start\"><li>\u1ee8ng d\u1ee5ng c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p: 454\u2013635\u00b0C (850\u20131175\u00b0F)<span class=\"c2\">\u00a0cho \u0111\u1ed9 b\u1ec1n k\u00e9o 125\u2013200 ksi.<\/span><\/li>\n\n<li>\u1ee8ng d\u1ee5ng c\u01b0\u1eddng \u0111\u1ed9 cao: 218\u2013260\u00b0C (425\u2013500\u00b0F)<span class=\"c2\">\u00a0cho \u0111\u1ed9 b\u1ec1n k\u00e9o 260\u2013280 ksi.<\/span><\/li>\n\n<li>L\u01b0u \u00fd quan tr\u1ecdng<span class=\"c2\">:Tr\u00e1nh ph\u1ea1m vi 220\u2013260 ksi \u0111\u1ec3 tr\u00e1nh gi\u1ea3m \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c3\" id=\"h.s99gioivlkm3\"><span class=\"c12\">5. L\u00e0m c\u1ee9ng v\u1ecf m\u00e1y (T\u00f9y ch\u1ecdn)<\/span><\/h3><p class=\"c7\">Th\u1ea5m cacbon ho\u1eb7c th\u1ea5m nit\u01a1 \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t \u226560 HRC<span class=\"c2\">&nbsp;d\u00e0nh cho c\u00e1c b\u1ed9 ph\u1eadn d\u1ec5 b\u1ecb m\u00e0i m\u00f2n nh\u01b0 b\u00e1nh r\u0103ng ho\u1eb7c van.<\/span><\/p><p class=\"c7\">T\u1ea1i SteelPro Group, l\u00f2 nung \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i cho th\u00e9p 4330\u2014cho d\u00f9 s\u1ea3n xu\u1ea5t v\u00f2ng khoan cho gi\u1ebfng kh\u00ed chua hay b\u1ed9 truy\u1ec1n \u0111\u1ed9ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u00f2i h\u1ecfi <span class=\"c14\">\u0110\u1ed9 b\u1ec1n m\u1ecfi &gt;1.000 MPa<\/span><span class=\"c2\">.<\/span><\/p><h2 class=\"wp-block-heading c3\" id=\"h.l68me3u5ettu\"><span class=\"c15\">Quy tr\u00ecnh th\u00e9p 4330 &nbsp;<\/span><\/h2><h3 class=\"wp-block-heading c3\" id=\"h.3q10l78q7821\"><span class=\"c12\">Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/span><\/h3><p class=\"c7\"><span class=\"c2\">Th\u00e9p 4330 \u0111\u1ea1t kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1i \u01b0u \u1edf tr\u1ea1ng th\u00e1i \u1ee7 ho\u1eb7c chu\u1ea9n h\u00f3a (200\u2013230 HB).<\/span><\/p><h3 class=\"wp-block-heading c3\" id=\"h.6t9hrdaf73en\"><span class=\"c12\">Hi\u1ec7u su\u1ea5t h\u00e0n<\/span><\/h3><p class=\"c7\"><span class=\"c2\">Kh\u1ea3 n\u0103ng h\u00e0n c\u1ee7a 4330 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec1u h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0ng \u0111\u00f2i h\u1ecfi c\u00e1c quy tr\u00ecnh nghi\u00eam ng\u1eb7t:<\/span><\/p><ul class=\"wp-block-list c20 lst-kix_dkvp81ma6rvy-0 start\"><li>L\u00e0m n\u00f3ng tr\u01b0\u1edbc\/L\u00e0m n\u00f3ng sau<span class=\"c2\">: B\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n &gt;25mm \u0111\u1ec3 tr\u00e1nh n\u1ee9t do hydro (150\u2013200\u00b0C \/ 302\u2013392\u00b0F).<\/span><\/li>\n\n<li>M\u1ed1i n\u1ed1i quan tr\u1ecdng: \u1ee6 sau khi h\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 595\u00b0C (1103\u00b0F)<span class=\"c2\">\u00a0\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n ch\u1ed1ng g\u00e3y c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn gi\u00e0n khoan ngo\u00e0i kh\u01a1i.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c3\" id=\"h.s9ae7pjscyfk\"><span class=\"c12\">C\u00f4ng vi\u1ec7c n\u00f3ng v\u00e0 l\u1ea1nh<\/span><\/h3><ul class=\"wp-block-list c20 lst-kix_g8xwgaibw83v-0 start\"><li>T\u1ea1o h\u00ecnh l\u1ea1nh<span class=\"c2\">: Th\u00edch h\u1ee3p cho bu l\u00f4ng, ch\u1ed1t v\u00e0 m\u1eb7t b\u00edch th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p c\u00e1n ngu\u1ed9i (gi\u1ea3m \u226430%) ho\u1eb7c k\u00e9o.<\/span><\/li>\n\n<li>Gi\u1edbi h\u1ea1n gia c\u00f4ng n\u00f3ng: \u00cdt khi \u00e1p d\u1ee5ng do kh\u1ea3 n\u0103ng gia c\u00f4ng ngu\u1ed9i v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a 4330; d\u00e0nh ri\u00eang cho c\u00e1c ph\u00f4i qu\u00e1 kh\u1ed5 (\u0111\u01b0\u1eddng k\u00ednh&gt;500mm).<\/li><\/ul><h2 class=\"wp-block-heading c21\" id=\"h.r5k29snb7bhx\"><span class=\"c15\">Gi\u1ea3i ph\u00e1p th\u00e9p 4330 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c<\/span><\/h2><p class=\"c7\"><span class=\"c2\">T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p th\u00e9p 4330 m\u00e0 c\u00f2n thi\u1ebft k\u1ebf kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i. C\u01a1 s\u1edf t\u00edch h\u1ee3p theo chi\u1ec1u d\u1ecdc c\u1ee7a ch\u00fang t\u00f4i chuy\u1ec3n \u0111\u1ed5i h\u1ee3p kim th\u00f4 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng cho nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c c\u00e1c OEM h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c c\u00f4ng ty n\u0103ng l\u01b0\u1ee3ng l\u1edbn v\u00e0 c\u00e1c nh\u00e0 th\u1ea7u qu\u1ed1c ph\u00f2ng tin t\u01b0\u1edfng. <\/span><\/p><p class=\"c7\"><span class=\"c2\">Cho d\u00f9 b\u1ea1n \u0111ang c\u1ea3i t\u1ea1o gi\u00e0n khoan ngo\u00e0i kh\u01a1i hay t\u1ea1o m\u1eabu c\u00e1c th\u00e0nh ph\u1ea7n xe si\u00eau thanh, c\u00e1c nh\u00e0 luy\u1ec7n kim v\u00e0 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd h\u1ee3p t\u00e1c v\u1edbi b\u1ea1n \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p 4330 - c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/span><\/p><p>&nbsp;<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 s\u1ee9c m\u1ea1nh v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a th\u00e9p AISI 4330. SteelPro Group tinh ch\u1ebf h\u1ee3p kim n\u00e0y th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng v\u1edbi k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c v\u00e0 t\u00f9y ch\u1ec9nh.<\/p>","protected":false},"author":1,"featured_media":21392,"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-21391","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\/21391","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=21391"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21391\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21392"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}