{"id":21793,"date":"2025-04-04T04:28:00","date_gmt":"2025-04-03T20:28:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21793"},"modified":"2025-03-31T11:20:28","modified_gmt":"2025-03-31T03:20:28","slug":"aermet-340-guideline","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/aermet-340-guideline\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 th\u00e9p h\u1ee3p kim AerMet 340: T\u00ednh ch\u1ea5t, s\u1ea3n ph\u1ea9m, quy tr\u00ecnh"},"content":{"rendered":"

Th\u00e9p AerMet\u00ae 340 th\u00e1ch th\u1ee9c nh\u1eefng s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i th\u00f4ng th\u01b0\u1eddng<\/span> trong h\u1ee3p kim hi\u1ec7u su\u1ea5t cao. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 th\u00e9p h\u1ee3p kim AerMet 340, t\u1eeb th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1ebfn quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m. <\/span><\/p>

N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm lo\u1ea1i th\u00e9p c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n c\u00e1c h\u1ee3p kim truy\u1ec1n th\u1ed1ng, SteelPro Group s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/span><\/p>

Th\u00e9p AerMet 340 l\u00e0 g\u00ec?<\/span><\/h2>

AerMet\u00ae 310 l\u00e0 h\u1ee3p kim ch\u1ee9a coban c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t c\u1ef1c cao. N\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao, khi\u1ebfn n\u00f3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec1u lo\u1ea1i th\u00e9p c\u00f3 \u0111\u1ed9 b\u1ec1n cao. N\u00f3 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 s\u1ed1c v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean ho\u00e0n h\u1ea3o cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng trong h\u00e0ng kh\u00f4ng, qu\u00e2n s\u1ef1 v\u00e0 c\u00f4ng nghi\u1ec7p.<\/span><\/p>

H\u1ee3p kim n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u00e1nh \u0111\u00e1p, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng, \u00e1o gi\u00e1p v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u b\u1ec1n nh\u01b0ng nh\u1eb9. M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, nh\u01b0ng n\u00f3 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n h\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u1ea1 ho\u1eb7c ph\u1ee7 \u0111\u1ec3 b\u1ea3o v\u1ec7.<\/p>

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p AerMet 340<\/span><\/h2>
Y\u1ebfu t\u1ed1<\/strong><\/td>N\u1ed9i dung (%)<\/strong><\/td><\/tr>
Cacbon (C)<\/td>0.33%<\/td><\/tr>
Silic (Si)<\/td>\u226412%*<\/td><\/tr>
Crom (Cr)<\/td>2.25%<\/td><\/tr>
Coban (Co)<\/td>15.60%<\/td><\/tr>
Molip\u0111en (Mo)<\/td>1.85%<\/td><\/tr>
S\u1eaft (Fe)<\/td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr><\/tbody><\/table><\/figure>

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p AerMet 340 (D\u1ecdc)<\/h2>
T\u00e0i s\u1ea3n<\/strong><\/td>T\u00ecnh tr\u1ea1ng tu\u1ed5i gi\u00e0<\/strong><\/td>\u0110i\u1ec1u ki\u1ec7n \u1ee7<\/strong><\/td><\/tr>
0.2% Gi\u1edbi h\u1ea1n ch\u1ea3y (ksi \/ MPa)<\/td>300 \/ 2068<\/td>155 \/ 1068<\/td><\/tr>
\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ef1c \u0111\u1ea1i (ksi \/ MPa)<\/td>345 \/ 2379<\/td>202 \/ 1393<\/td><\/tr>
\u0110\u1ed9 gi\u00e3n d\u00e0i (%)<\/td>11<\/td>18<\/td><\/tr>
Gi\u1ea3m Di\u1ec7n T\u00edch (%)<\/td>53<\/td>57<\/td><\/tr>
Charpy V-notch (Ft.-lbs. \/ J)<\/td>11 \/ 15<\/td>25 \/ 34<\/td><\/tr>
\u0110\u1ed9 c\u1ee9ng (HRC)<\/td>56.5<\/td>42<\/td><\/tr>
\u0110\u1ed9 b\u1ec1n g\u00e3y (ksi\u221ain \/ MPa\u221am)<\/td>34 \/ 37<\/td>Kh\u00f4ng c\u00f3<\/td><\/tr><\/tbody><\/table><\/figure>

Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t cho t\u00ecnh tr\u1ea1ng c\u0169:<\/span><\/p>

  • 1775\u00b0F (968\u00b0C)<\/span>\u00a0v\u00ec 1 gi\u1edd<\/span>, l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed.<\/span><\/li>\n\n
  • -100\u00b0F (-73\u00b0C)<\/span>\u00a0v\u00ec 1 gi\u1edd<\/span>, kh\u00f4ng kh\u00ed \u1ea5m \u00e1p.<\/span><\/li>\n\n
  • 900\u00b0F (482\u00b0C)<\/span>\u00a0v\u00ec 2,5 gi\u1edd<\/span>, l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed.<\/span><\/li>\n\n
  • -100\u00b0F (-73\u00b0C)<\/span>\u00a0v\u00ec 1 gi\u1edd<\/span>, kh\u00f4ng kh\u00ed \u1ea5m \u00e1p.<\/span><\/li><\/ul>

    Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t cho tr\u1ea1ng th\u00e1i \u1ee7:<\/span><\/p>

    • 1250\u00b0F (677\u00b0C) trong 16 gi\u1edd<\/span>, l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed.<\/span><\/li><\/ul>

      T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p AerMet 340<\/span><\/h2>
      T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb<\/strong><\/td>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><\/tr>
      T\u1ec9 tr\u1ecdng<\/td>0,2900 lb\/in\u00b3<\/td>8,03 g\/cm\u00b3<\/td><\/tr><\/tbody><\/table><\/figure>

      T\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a th\u00e9p AerMet 340<\/span><\/h2>
      H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t trung b\u00ecnh (CTE)<\/strong><\/td><\/tr>
      Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong><\/td>\u1ee6<\/strong><\/td>X\u1eed l\u00fd nhi\u1ec7t<\/strong><\/td><\/tr>
      75\u00b0F \u0111\u1ebfn (\u00b0F)<\/td>25\u00b0C \u0111\u1ebfn (\u00b0C)<\/td>\u00d7 10\u207b\u2076\/\u00b0F<\/td>\u00d7 10\u207b\u2076\/\u00b0C<\/td>\u00d7 10\u207b\u2076\/\u00b0F<\/td>\u00d7 10\u207b\u2076\/\u00b0C<\/td><\/tr>
      200\u00b0F<\/td>93\u00b0C<\/td>5.60<\/td>10.08<\/td>5.56<\/td>10.00<\/td><\/tr>
      300\u00b0F<\/td>149\u00b0C<\/td>5.74<\/td>10.33<\/td>5.76<\/td>10.36<\/td><\/tr>
      400\u00b0F<\/td>204\u00b0C<\/td>5.88<\/td>10.58<\/td>5.87<\/td>10.56<\/td><\/tr>
      500\u00b0F<\/td>260\u00b0C<\/td>6.01<\/td>10.82<\/td>5.97<\/td>10.75<\/td><\/tr>
      600\u00b0F<\/td>316\u00b0C<\/td>6.13<\/td>11.07<\/td>6.05<\/td>10.89<\/td><\/tr>
      700\u00b0F<\/td>371\u00b0C<\/td>6.23<\/td>11.23<\/td>6.16<\/td>11.08<\/td><\/tr>
      800\u00b0F<\/td>427\u00b0C<\/td>6.35<\/td>11.43<\/td>6.26<\/td>11.26<\/td><\/tr>
      900\u00b0F<\/td>482\u00b0C<\/td>6.44<\/td>11.59<\/td>6.36<\/td>11.44<\/td><\/tr>
      1000\u00b0F<\/td>538\u00b0C<\/td>6.34<\/td>11.41<\/td>6.44<\/td>11.59<\/td><\/tr><\/tbody><\/table><\/figure>

      Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m th\u00e9p AerMet 340<\/span><\/h2>

      T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n, s\u1ee9c m\u1ea1nh v\u00e0 gia c\u00f4ng ch\u00ednh x\u00e1c. V\u1eadt li\u1ec7u c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft n\u00eau ra c\u00e1c l\u1ef1a ch\u1ecdn c\u00f3 s\u1eb5n.<\/span><\/p>

      Bi\u1ec3u m\u1eabu s\u1ea3n ph\u1ea9m<\/strong><\/td>K\u00edch th\u01b0\u1edbc c\u00f3 s\u1eb5n<\/strong><\/td><\/tr>
      Thanh tr\u00f2n<\/strong><\/td>\u0110\u01b0\u1eddng k\u00ednh: 0,5\u201d \u2013 12\u201d (12,7 mm \u2013 304,8 mm)<\/td><\/tr>
      Thanh r\u1ed7ng<\/strong><\/td>\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i: 1\u201d \u2013 8\u201d (25,4 mm \u2013 203,2 mm)<\/td><\/tr>
      \u0110\u1ed9 d\u00e0y th\u00e0nh: 0,2\u201d \u2013 1,5\u201d (5 mm \u2013 38,1 mm)<\/td><\/tr>
      \u0110\u0129a<\/strong><\/td>\u0110\u1ed9 d\u00e0y: 0,25\u201d \u2013 2\u201d (6,35 mm \u2013 50,8 mm)<\/td><\/tr>
      Chi\u1ec1u r\u1ed9ng: L\u00ean \u0111\u1ebfn 96\u201d (L\u00ean \u0111\u1ebfn 2.438 mm)<\/td><\/tr>
      T\u1edd gi\u1ea5y<\/strong><\/td>\u0110\u1ed9 d\u00e0y: 0,04\u201d \u2013 0,5\u201d (1 mm \u2013 12,7 mm)<\/td><\/tr>
      Chi\u1ec1u r\u1ed9ng: L\u00ean \u0111\u1ebfn 72\u201d (L\u00ean \u0111\u1ebfn 1.829 mm)<\/td><\/tr>
      D\u1ea3i<\/strong><\/td>\u0110\u1ed9 d\u00e0y: 0,01\u201d \u2013 0,1\u201d (0,25 mm \u2013 2,54 mm)<\/td><\/tr>
      Chi\u1ec1u r\u1ed9ng: C\u00f3 s\u1eb5n k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh<\/td><\/tr>
      D\u00e2y \u0111i\u1ec7n<\/strong><\/td>\u0110\u01b0\u1eddng k\u00ednh: 0,01\u201d \u2013 0,5\u201d (0,25 mm \u2013 12,7 mm)<\/td><\/tr>
      H\u00ecnh th\u1ee9c: Cung c\u1ea5p theo d\u1ea1ng cu\u1ed9n ho\u1eb7c c\u1eaft theo chi\u1ec1u d\u00e0i<\/td><\/tr><\/tbody><\/table><\/figure>

      \u1ee8ng d\u1ee5ng th\u00e9p AerMet 340<\/span><\/h2>

      AerMet\u00ae 310 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u0103ng th\u1eb3ng cao<\/span> y\u00eau c\u1ea7u s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111\u1eb7c bi\u1ec7t<\/span>:<\/span><\/p>

      • H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/span>: B\u1ed9 ph\u1eadn h\u1ea1 c\u00e1nh, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng, c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac.<\/span><\/li>\n\n
      • Ph\u00f2ng th\u1ee7<\/span>: Gi\u00e1p, b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111\u1ea1n, ch\u1ed1t c\u00e0i.<\/span><\/li>\n\n
      • Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/span>: Tr\u1ee5c, l\u00f2 xo, gi\u00e1 \u0111\u1ee1 k\u1ebft c\u1ea5u.<\/span><\/li>\n\n
      • Th\u1ec3 thao m\u00f4 t\u00f4<\/span>: H\u1ec7 th\u1ed1ng treo, c\u00e1c b\u1ed9 ph\u1eadn truy\u1ec1n \u0111\u1ed9ng.<\/span><\/li><\/ul>

        R\u00e8n th\u00e9p AerMet 340<\/span><\/h2>

        Trong qu\u00e1 tr\u00ecnh r\u00e8n, nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 2250\u00b0F (1232\u00b0C)<\/span>, \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u v\u1eabn n\u1eb1m trong v\u00f9ng kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1i \u01b0u. Khi qu\u00e1 tr\u00ecnh r\u00e8n ti\u1ebfn tri\u1ec3n, v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c gia c\u00f4ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ho\u00e0n thi\u1ec7n gi\u1eefa 1800\u00b0F (982\u00b0C) v\u00e0 d\u01b0\u1edbi 1650\u00b0F (899\u00b0C)<\/span> \u0111\u1ec3 gi\u1eef l\u1ea1i c\u1ea5u tr\u00fac vi m\u00f4 tinh t\u1ebf c\u1ee7a n\u00f3.<\/span><\/p>

        Sau khi r\u00e8n, x\u1eed l\u00fd sau khi r\u00e8n \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft<\/span> \u0111\u1ec3 kh\u00f4i ph\u1ee5c t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc:<\/span><\/p>

        • L\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed<\/span>\u00a0l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u01b0a v\u1eadt li\u1ec7u tr\u1edf l\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng m\u1ed9t c\u00e1ch t\u1eeb t\u1eeb.<\/span><\/li>\n\n
        • M\u1ed8T \u1ee6 \u1edf nhi\u1ec7t \u0111\u1ed9 1250\u00b0F (677\u00b0C) trong 16 gi\u1edd<\/span>\u00a0gi\u00fap l\u00e0m m\u1ec1m h\u1ee3p kim \u0111\u1ec3 gia c\u00f4ng ti\u1ebfp theo.<\/span><\/li>\n\n
        • Chu\u1ea9n h\u00f3a \u1edf 1775\u00b0F (968\u00b0C)<\/span>\u00a0\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111\u1ed3ng \u0111\u1ec1u tr\u01b0\u1edbc khi x\u1eed l\u00fd ti\u1ebfp theo.<\/span><\/li><\/ul>

          X\u1eed l\u00fd nhi\u1ec7t th\u00e9p AerMet 340<\/span><\/h2>

          M\u1eb7c d\u00f9 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n k\u00e9m, AerMet\u00ae 340 v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd v\u01b0\u1ee3t tr\u1ed9i, ho\u00e0n h\u1ea3o cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng v\u00e0 c\u00f4ng nghi\u1ec7p.<\/span><\/p>

          Gi\u1ea3i ph\u00e1p \u0111i\u1ec1u tr\u1ecb<\/span><\/h3>
          • L\u00e0m n\u00f3ng h\u1ee3p kim \u0111\u1ebfn 1775\u00b0F (968\u00b0C) trong 1 gi\u1edd<\/span>.<\/span><\/li>\n\n
          • \u0110\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u b\u1eb1ng s\u1eed d\u1ee5ng c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ec3 theo d\u00f5i t\u1ea3i<\/span>.<\/span><\/li>\n\n
          • L\u00e0m m\u00e1t v\u1eadt li\u1ec7u b\u1eb1ng kh\u00f4ng kh\u00ed.<\/span><\/li><\/ul>

            L\u00e0m ngu\u1ed9i<\/span><\/h3>
            • Kh\u00f4ng n\u00ean l\u00e0m ngu\u1ed9i b\u1eb1ng n\u01b0\u1edbc<\/span>\u00a0do nguy c\u01a1 n\u1ee9t v\u1ee1.<\/span><\/li>\n\n
            • \u0110\u1ec3 gi\u1eef l\u1ea1i c\u00e1c \u0111\u1eb7c t\u00ednh t\u1ed1i \u01b0u, h\u00e3y l\u00e0m m\u00e1t v\u1eadt li\u1ec7u \u0111\u1ebfn 150\u00b0F (66\u00b0C) trong v\u00f2ng 1-2 gi\u1edd<\/span>.<\/span><\/li>\n\n
            • C\u00e1c ph\u1ea7n l\u1edbn (\u0110\u01b0\u1eddng k\u00ednh >2 inch (5 cm) ho\u1eb7c d\u00e0y >1 inch (2,5 cm)<\/span>) y\u00eau c\u1ea7u l\u00e0m ngu\u1ed9i d\u1ea7u<\/span>.<\/span><\/li>\n\n
            • M\u1ed9t t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n \u1edf \u0111i\u1ec3m n\u00f3ng nh\u1ea5t c\u1ee7a t\u1ea3i<\/span>.<\/span><\/li><\/ul>

              \u0110i\u1ec1u tr\u1ecb l\u1ea1nh<\/span><\/h3>
              • Sau khi d\u1eadp t\u1eaft, l\u00e0m m\u00e1t \u0111\u1ebfn -100\u00b0F (-73\u00b0C) v\u00e0 gi\u1eef trong 1 gi\u1edd<\/span>.<\/span><\/li>\n\n
              • B\u01b0\u1edbc n\u00e0y t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 d\u1ebbo dai<\/span>\u00a0v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac vi m\u00f4.<\/span><\/li>\n\n
              • Sau khi x\u1eed l\u00fd l\u1ea1nh, kh\u00f4ng kh\u00ed \u1ea5m \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/span>\u00a0tr\u01b0\u1edbc khi ti\u1ebfn t\u1edbi qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a.<\/span><\/li><\/ul>

                N\u1ebfu b\u01b0\u1edbc x\u1eed l\u00fd l\u1ea1nh b\u1ecb b\u1ecf qua<\/span>, M\u1ed9t qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a k\u00e9p<\/span> l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai t\u01b0\u01a1ng \u0111\u01b0\u01a1ng:<\/span><\/p>

                • Chu k\u1ef3 l\u00e3o h\u00f3a \u0111\u1ea7u ti\u00ean:<\/span>\u00a0900\u00b0F (482\u00b0C) trong 3-8 gi\u1edd, \u0111\u1ec3 ngu\u1ed9i b\u1eb1ng kh\u00f4ng kh\u00ed.<\/span><\/li>\n\n
                • Chu k\u1ef3 l\u00e3o h\u00f3a th\u1ee9 hai:<\/span>\u00a0L\u1eb7p l\u1ea1i chu k\u1ef3 \u0111\u1ea7u ti\u00ean sau m\u1ed9t b\u01b0\u1edbc l\u00e0m l\u1ea1nh trung gian<\/span>.<\/span><\/li><\/ul>

                  L\u00e3o h\u00f3a<\/span><\/h3>
                  • L\u00e0m n\u00f3ng h\u1ee3p kim \u0111\u1ebfn 900\u00b0F (482\u00b0C) trong 3-8 gi\u1edd<\/span>.<\/span><\/li>\n\n
                  • L\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed<\/span>\u00a0\u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng sau khi \u1ee7.<\/span><\/li>\n\n
                  • Quan tr\u1ecdng:<\/span>\u00a0L\u00e3o h\u00f3a kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi 875\u00b0F (468\u00b0C)<\/span>v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc.<\/span><\/li><\/ul>

                    Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t thay th\u1ebf (Khi b\u1ecf qua x\u1eed l\u00fd l\u1ea1nh)<\/span><\/h4>

                    Ph\u00f2ng ng\u1eeba s\u1ef1 m\u1ea5t cacbon<\/span><\/h3>

                    Gi\u1ed1ng nh\u01b0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c h\u1ee3p kim c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao, \u0111\u1ed9 b\u1ec1n cao<\/span>, AerMet 340 l\u00e0 d\u1ec5 b\u1ecb m\u1ea5t cacbon b\u1ec1 m\u1eb7t<\/span> trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t. \u0110\u1ec3 tr\u00e1nh m\u1ea5t cacbon<\/span>, h\u1ee3p kim ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo c\u00e1ch sau:<\/span><\/p>

                    • L\u00f2 nung kh\u00f4ng kh\u00ed trung t\u00ednh<\/span><\/li>\n\n
                    • T\u1eafm mu\u1ed1i<\/span><\/li>\n\n
                    • L\u00f2 ch\u00e2n kh\u00f4ng<\/span><\/li><\/ul>

                      Nh\u1eefng c\u00e2n nh\u1eafc sau khi x\u1eed l\u00fd nhi\u1ec7t<\/span><\/h3>
                      • L\u00e0m th\u1eb3ng:<\/span>\u00a0C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i n\u1eafn th\u1eb3ng b\u1eb1ng m\u00e1y \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng bi\u1ebfn d\u1ea1ng nh\u1ecf.<\/span><\/li>\n\n
                      • Gi\u1ea3m c\u0103ng th\u1eb3ng:<\/span>\u00a0N\u1ebfu c\u1ea7n gi\u1ea3m \u1ee9ng su\u1ea5t, h\u00e3y l\u00e0m n\u00f3ng v\u1eadt li\u1ec7u \u0111\u1ebfn 350-400\u00b0F (177-204\u00b0C) trong 5 gi\u1edd<\/span>\u00a0tr\u01b0\u1edbc khi n\u1eafn th\u1eb3ng b\u1eb1ng m\u00e1y.<\/span><\/li>\n\n
                      • \u0110\u1ed9 c\u1ee9ng cu\u1ed1i c\u00f9ng \u0111\u1ea1t \u0111\u01b0\u1ee3c:<\/span>\u00a056-57 HRC<\/span>\u00a0sau khi l\u00e3o h\u00f3a \u0111\u00fang c\u00e1ch.<\/span><\/li><\/ul>

                        Kh\u1ea3 n\u0103ng gia c\u00f4ng th\u00e9p AerMet 340<\/span><\/h2>

                        Do c\u1ee7a n\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n cao<\/span>, AerMet 340 kh\u00f3 gia c\u00f4ng h\u01a1n Th\u00e9p 4340 \u1edf HRC 38<\/span>. D\u1ee5ng c\u1ee5 cacbua \u0111\u01b0\u1ee3c khuy\u00ean d\u00f9ng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t gia c\u00f4ng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5.<\/span><\/p>

                        • T\u1ed1c \u0111\u1ed9 c\u1eaft t\u1ed1i \u01b0u n\u1eb1m trong kho\u1ea3ng 280-350 SFM<\/span>, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft l\u1eadp gia c\u00f4ng.<\/span><\/li>\n\n
                        • \u0110\u1ec3 gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t b\u00ean trong sau khi gia c\u00f4ng th\u00f4, gi\u1ea3m c\u0103ng th\u1eb3ng \u1edf nhi\u1ec7t \u0111\u1ed9 800\u00b0F (427\u00b0C) trong 1-3 gi\u1edd<\/span>\u00a0l\u00e0 \u0111i\u1ec1u n\u00ean l\u00e0m.<\/span><\/li><\/ul>

                          AerMet 340 Steel M\u1edf kh\u00f3a s\u1ee9c m\u1ea1nh v\u01b0\u1ee3t tr\u1ed9i<\/span><\/h2>

                          T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i cung c\u1ea5p:<\/span><\/p>

                          • Nhi\u1ec1u k\u00edch c\u1ee1 ti\u00eau chu\u1ea9n v\u00e0 t\u00f9y ch\u1ec9nh \u2013 \u0110\u1ea3m b\u1ea3o t\u00ednh linh ho\u1ea1t cho nhi\u1ec1u quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/span><\/li>\n\n
                          • C\u00f3 s\u1eb5n ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng ch\u00ednh x\u00e1c \u2013 C\u00e1c t\u00f9y ch\u1ecdn c\u1eaft theo chi\u1ec1u d\u00e0i, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 gia c\u00f4ng tr\u01b0\u1edbc \u0111\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p.<\/span><\/li>\n\n
                          • Chu\u1ed7i cung \u1ee9ng \u0111\u00e1ng tin c\u1eady \u2013 Ngu\u1ed3n cung \u1ee9ng chi\u1ebfn l\u01b0\u1ee3c v\u00e0 giao h\u00e0ng \u0111\u00fang h\u1ea1n cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng.<\/span><\/li>\n\n
                          • H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean gia \u2013 C\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u.<\/span><\/li><\/ul>

                            H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c l\u1ef1a ch\u1ecdn h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 t\u00ecm ra gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/span><\/p>

                             <\/p>","protected":false},"excerpt":{"rendered":"

                            Kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh ch\u1ea5t, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a th\u00e9p AerMet 340. SteelPro Group cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p quan tr\u1ecdng.<\/p>","protected":false},"author":1,"featured_media":21794,"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-21793","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\/21793","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=21793"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21793\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21794"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}