{"id":21774,"date":"2025-03-30T05:34:00","date_gmt":"2025-03-29T21:34:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21774"},"modified":"2025-03-31T09:30:43","modified_gmt":"2025-03-31T01:30:43","slug":"maraging-350-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/maraging-350-steel\/","title":{"rendered":"Maraging 350 Th\u00e9p (C350) \u2013 AMS 6516 | UNS K92890"},"content":{"rendered":"

Th\u00e9p Maraging 350 kh\u00f4ng ch\u1ec9 b\u1ec1n m\u00e0 c\u00f2n mang t\u00ednh c\u00e1ch m\u1ea1ng. H\u1ee3p kim n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi th\u1ee9, t\u1eeb v\u1ecf t\u00ean l\u1eeda \u0111\u1ebfn b\u00e1nh r\u0103ng ch\u00ednh x\u00e1c. T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p Maraging 350 cao c\u1ea5p ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 th\u1ea5t b\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn.<\/p>

B\u1ea1n c\u00f3 t\u00f2 m\u00f2 xem n\u00f3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p truy\u1ec1n th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o kh\u00f4ng? <\/em>H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 ph\u1ee9c t\u1ea1p: ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o, c\u00f4ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 th\u00f4ng tin chi ti\u1ebft v\u1ec1 s\u1ea3n ph\u1ea9m.<\/p>

Th\u00e9p Maraging 350 l\u00e0 g\u00ec?<\/h2>

Th\u00e9p Maraging 350 l\u00e0 h\u1ee3p kim niken t\u0103ng c\u01b0\u1eddng coban \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao m\u00e0 kh\u00f4ng c\u1ea7n carbon. H\u1ee3p kim \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00e0 350 ksi (2413 MPa), cao h\u01a1n c\u00e1c lo\u1ea1i 250 ho\u1eb7c 300 trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai xu\u1ed1ng \u0111\u1ebfn -50\u00b0C. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 qu\u1ed1c ph\u00f2ng, bao g\u1ed3m v\u1ecf t\u00ean l\u1eeda, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng tr\u1ef1c th\u0103ng v\u00e0 b\u00e1nh r\u0103ng ch\u1ecbu \u1ee9ng su\u1ea5t cao, n\u01a1i r\u1ee7i ro h\u1ecfng h\u00f3c l\u00e0 b\u1eb1ng kh\u00f4ng.<\/p>

C350 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y l\u1ea1i b\u1eb1ng h\u1ed3 quang ch\u00e2n kh\u00f4ng, \u0111\u1ea3m b\u1ea3o t\u1ea1p ch\u1ea5t c\u1ef1c th\u1ea5p. C\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a n\u00f3 b\u1eaft \u0111\u1ea7u l\u00e0 martensit m\u1ecbn \u1edf tr\u1ea1ng th\u00e1i \u1ee7, cho ph\u00e9p gia c\u00f4ng ch\u00ednh x\u00e1c v\u1edbi \u0111\u1ed9 m\u00e9o t\u1ed1i thi\u1ec3u (<0,05%) tr\u01b0\u1edbc khi l\u00e3o h\u00f3a. H\u1ee3p kim gi\u1eef l\u1ea1i 90% \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 l\u00ean \u0111\u1ebfn 450\u00b0C v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nit\u01a1 h\u00f3a \u0111\u1ec3 l\u00e0m c\u1ee9ng b\u1ec1 m\u1eb7t. <\/p>

T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, s\u1eb5n s\u00e0ng cho qu\u00e1 tr\u00ecnh maraging 350 thanh, que, t\u1ea5m v\u00e0 t\u1ea5m<\/strong>. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p l\u1eddi khuy\u00ean chuy\u00ean m\u00f4n v\u1ec1 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a l\u1ee3i \u00edch. <\/p>

C\u00e1c t\u00ednh n\u0103ng v\u00e0 l\u1ee3i \u00edch ch\u00ednh c\u1ee7a Maraging 350 Steel<\/h2>
  • \u0110\u1ed9 b\u1ec1n c\u1ef1c cao<\/strong>: Cao nh\u1ea5t trong ph\u00e2n kh\u00fac d\u00e0nh cho t\u1ea3i tr\u1ecdng quan tr\u1ecdng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5\/qu\u1ed1c ph\u00f2ng.<\/li>\n\n
  • Kh\u00f4ng ch\u1ee9a Carbon Nh\u1eb9<\/strong>: Coban\/molypden\/titan l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 s\u1ee9c m\u1ea1nh tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng.<\/li>\n\n
  • Ch\u1ecbu nhi\u1ec7t v\u00e0 l\u1ea1nh<\/strong>: \u1ed4n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 450\u00b0C, b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 -50\u00b0C.<\/li>\n\n
  • Gia c\u00f4ng g\u1ea7n m\u1ea1ng<\/strong>: \u0110\u1ed9 co ng\u00f3t l\u00e3o h\u00f3a 0,05% cho ph\u00e9p \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng.<\/li>\n\n
  • Kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c<\/strong>: D\u1ec5 d\u00e0ng gia c\u00f4ng \u1edf tr\u1ea1ng th\u00e1i \u1ee7; h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi l\u00e3o h\u00f3a.<\/li>\n\n
  • L\u00e0m c\u1ee9ng b\u1ec1 m\u1eb7t<\/strong>: Nit\u01a1 h\u00f3a \u0111\u1ec3 ch\u1ed1ng m\u00e0i m\u00f2n m\u00e0 kh\u00f4ng gi\u00f2n.<\/li>\n\n
  • S\u1eb5n s\u00e0ng h\u00e0n<\/strong>: Kh\u00f4ng c\u1ea7n chu\u1ea9n b\u1ecb ph\u1ee9c t\u1ea1p, x\u1eed l\u00fd h\u1eadu k\u1ef3 t\u1ed1i thi\u1ec3u.<\/li><\/ul>

    Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p Maraging 350<\/h2>
    Y\u1ebfu t\u1ed1<\/strong><\/td>N\u1ed9i dung (%)<\/strong><\/td><\/tr>
    Coban (Co)<\/td>12<\/td><\/tr>
    Molip\u0111en (Mo)<\/td>4.8<\/td><\/tr>
    Titan (Ti)<\/td>1.4<\/td><\/tr>
    Niken (Ni)<\/td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr>
    Nh\u00f4m (Al)<\/td>0.1<\/td><\/tr>
    Mangan (Mn)<\/td>\u2264 0,10<\/td><\/tr>
    Silic (Si)<\/td>\u2264 0,10<\/td><\/tr>
    Cacbon (C)<\/td>\u2264 0,030<\/td><\/tr>
    L\u01b0u hu\u1ef3nh (S)<\/td>\u2264 0,010<\/td><\/tr>
    Ph\u1ed1t pho (P)<\/td>\u2264 0,010<\/td><\/tr>
    Zirconi (Zr)<\/td>0.01<\/td><\/tr>
    Bo (B)<\/td>0.003<\/td><\/tr>
    S\u1eaft (Fe)<\/td>63<\/td><\/tr><\/tbody><\/table><\/figure>

    Maraging 350 T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p<\/h2>
    T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><\/tr>
    \u0110\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a<\/td>1140MPa<\/td>165000 psi<\/td><\/tr>
    Gi\u1edbi h\u1ea1n ch\u1ea3y @0.2% bi\u1ebfn d\u1ea1ng<\/td>827MPa<\/td>120000 psi<\/td><\/tr>
    \u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (4.5\u221aA)<\/td>0.18<\/td>0.18<\/td><\/tr>
    Gi\u1ea3m Di\u1ec7n T\u00edch<\/td>0.7<\/td>0.7<\/td><\/tr>
    M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>200 GPa<\/td>29000 kil\u00f4gam<\/td><\/tr>
    M\u00f4 \u0111un kh\u1ed1i<\/td>160 GPa<\/td>23200 ksi<\/td><\/tr>
    T\u1ef7 s\u1ed1 Poisson<\/td>0.3<\/td>0.3<\/td><\/tr>
    M\u00f4 \u0111un c\u1eaft<\/td>77,0 GPa<\/td>11200 ksi<\/td><\/tr><\/tbody><\/table><\/figure>

    Maraging 350 T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p<\/h2>
    T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><\/tr>
    \u0110\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i \u0111a<\/td>1140MPa<\/td>165000 psi<\/td><\/tr>
    Gi\u1edbi h\u1ea1n ch\u1ea3y @0.2% bi\u1ebfn d\u1ea1ng<\/td>827MPa<\/td>120000 psi<\/td><\/tr>
    \u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (4.5\u221aA)<\/td>0.18<\/td>0.18<\/td><\/tr>
    Gi\u1ea3m Di\u1ec7n T\u00edch<\/td>0.7<\/td>0.7<\/td><\/tr>
    M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>200 GPa<\/td>29000 kil\u00f4gam<\/td><\/tr>
    M\u00f4 \u0111un kh\u1ed1i<\/td>160 GPa<\/td>23200 ksi<\/td><\/tr>
    T\u1ef7 s\u1ed1 Poisson<\/td>0.3<\/td>0.3<\/td><\/tr>
    M\u00f4 \u0111un c\u1eaft<\/td>77,0 GPa<\/td>11200 ksi<\/td><\/tr><\/tbody><\/table><\/figure>

    T\u00ednh ch\u1ea5t nhi\u1ec7t c\u1ee7a th\u00e9p Maraging 350<\/h2>
    T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb<\/strong><\/td>Nhi\u1ec7t \u0111\u1ed9<\/strong><\/td><\/tr>
    H\u1ec7 m\u00e9t<\/strong><\/td>\u0110\u1ebf qu\u1ed1c<\/strong><\/td>H\u1ec7 m\u00e9t<\/strong><\/td>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr>
    CTE, Tuy\u1ebfn t\u00ednh<\/td>11,3 \u00b5m\/m-\u00b0C<\/td>6,28 \u00b5in\/in-\u00b0F<\/td>21,0 \u2013 480 \u00b0C<\/td>69,8 \u2013 896 \u00b0F<\/td><\/tr>
    \u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>25,3 W\/mK<\/td>176 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td>20,0 \u00b0C<\/td>68,0 \u00b0F<\/td><\/tr>
    25,8 W\/mK<\/td>179 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td>50,0 \u00b0C<\/td>122 \u00b0F<\/td><\/tr>
    27,0 W\/mK<\/td>187 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td>100 \u00b0C<\/td>212 \u00b0F<\/td><\/tr><\/tbody><\/table><\/figure>

    K\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m th\u00e9p Maraging 350<\/h2>

    Ch\u00fang t\u00f4i cung c\u1ea5p Th\u00e9p Maraging 350 \u1edf nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau tu\u00e2n th\u1ee7 theo MIL-S-46850<\/strong> V\u00e0 Ti\u00eau chu\u1ea9n AMS 6515<\/strong>, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng v\u00e0 d\u1ee5ng c\u1ee5. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc ch\u00fang t\u00f4i c\u00f3 trong kho:<\/p>

    M\u1eabu s\u1ea3n ph\u1ea9m<\/strong><\/td>K\u00edch th\u01b0\u1edbc m\u00e9t<\/strong><\/td>K\u00edch th\u01b0\u1edbc c\u1ee7a \u0110\u1ebf ch\u1ebf<\/strong><\/td><\/tr>
    Thanh tr\u00f2n<\/strong><\/td>\u0110\u01b0\u1eddng k\u00ednh: 10\u2013300 mm<\/td>\u0110\u01b0\u1eddng k\u00ednh: 0,4\u201312 in<\/td><\/tr>
    Thanh<\/strong><\/td>\u0110\u01b0\u1eddng k\u00ednh: 5\u2013150 mm<\/td>\u0110\u01b0\u1eddng k\u00ednh: 0,2\u20136 in<\/td><\/tr>
    \u0110\u0129a<\/strong><\/td>\u0110\u1ed9 d\u00e0y: 6\u2013100 mm<\/td>\u0110\u1ed9 d\u00e0y: 0,25\u20134 in<\/td><\/tr>
    Chi\u1ec1u r\u1ed9ng: 500\u20132500 mm<\/td>Chi\u1ec1u r\u1ed9ng: 20\u201398 in<\/td><\/tr>
    T\u1ea5m tr\u1ea3i gi\u01b0\u1eddng<\/strong><\/td>\u0110\u1ed9 d\u00e0y: 0,5\u20136 mm<\/td>\u0110\u1ed9 d\u00e0y: 0,02\u20130,25 in<\/td><\/tr>
    Chi\u1ec1u r\u1ed9ng: 1000\u20132000 mm<\/td>Chi\u1ec1u r\u1ed9ng: 39\u201379 in<\/td><\/tr>
    K\u00edch th\u01b0\u1edbc v\u00e0 dung sai t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p theo y\u00eau c\u1ea7u.<\/em><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>

    \u1ee8ng d\u1ee5ng th\u00e9p Maraging 350<\/h2>
    • H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong>: V\u1ecf \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda\/t\u00ean l\u1eeda \u0111\u1ea9y, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng tr\u1ef1c th\u0103ng, c\u00e1c b\u1ed9 ph\u1eadn b\u00e1nh \u0111\u00e1p.<\/li>\n\n
    • Ph\u00f2ng th\u1ee7<\/strong>: Kh\u1ed1i l\u1eafp v\u0169 kh\u00ed, d\u1ee5ng c\u1ee5 xuy\u00ean gi\u00e1p, \u1ed1c v\u00edt c\u1ea5p qu\u00e2n s\u1ef1.<\/li>\n\n
    • D\u1ee5ng c\u1ee5 & Khu\u00f4n m\u1eabu<\/strong>: Khu\u00f4n \u0111\u00fac v\u00e0 d\u1ee5ng c\u1ee5 \u0111\u00f9n y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u.<\/li>\n\n
    • Th\u1ec3 thao m\u00f4 t\u00f4 hi\u1ec7u su\u1ea5t cao<\/strong>: Tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng nh\u1eb9, c\u00e1c b\u1ed9 ph\u1eadn h\u1ed9p s\u1ed1, h\u1ec7 th\u1ed1ng t\u0103ng \u00e1p.<\/li>\n\n
    • M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/strong>: C\u1ea3m bi\u1ebfn l\u1ef1c, kh\u1edbp n\u1ed1i ch\u00ednh x\u00e1c v\u00e0 tr\u1ee5c m\u00f4-men xo\u1eafn cao cho thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng.<\/li>\n\n
    • N\u0103ng l\u01b0\u1ee3ng & H\u1ea1t nh\u00e2n<\/strong>: C\u00e1c b\u1ed9 ph\u1eadn ch\u1ed1ng b\u1ee9c x\u1ea1, c\u00e1c th\u00e0nh ph\u1ea7n tuabin ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li><\/ul>

      X\u1eed l\u00fd nhi\u1ec7t th\u00e9p Maraging 350<\/h2>

      Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p truy\u1ec1n th\u1ed1ng c\u1ea7n ph\u1ea3i t\u00f4i, th\u00e9p C350 tr\u1ea3i qua qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (480\u2013540\u00b0C \/ 900\u20131000\u00b0F) trong 3\u20136 gi\u1edd. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00e1c h\u1ee3p ch\u1ea5t li\u00ean kim lo\u1ea1i (Ni\u2083Ti, Ni\u2083Mo) h\u00ecnh th\u00e0nh trong ma tr\u1eadn martensitic. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng l\u00ean 55-60 HRC trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 d\u1ebbo.<\/p>

      Nh\u1eefng c\u00e2n nh\u1eafc ch\u00ednh \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u:<\/p>

      • L\u00e3o h\u00f3a tr\u01b0\u1edbc<\/strong>: M\u00e1y th\u00f4 \u1edf tr\u1ea1ng th\u00e1i \u1ee7, \u0111\u1ec3 l\u1ea1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u t\u1ed1i thi\u1ec3u (~0,1\u20130,2 mm) cho qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a cu\u1ed1i c\u00f9ng.<\/li>\n\n
      • C\u00f4ng c\u1ee5<\/strong>: S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 cacbua ho\u1eb7c tr\u00e1ng ph\u1ee7 cho c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 t\u00f4i c\u1ee9ng \u0111\u1ec3 t\u0103ng \u0111\u1ed9 c\u1ee9ng.<\/li>\n\n
      • Ch\u1ea5t l\u00e0m m\u00e1t<\/strong>: Ch\u1ea5t l\u00e0m m\u00e1t \u00e1p su\u1ea5t cao ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng c\u1ee9ng h\u00f3a khi c\u1eaft m\u1ea1nh.<\/li><\/ul>

        Gia c\u00f4ng th\u00e9p Maraging 350<\/h2>

        \u1ede tr\u1ea1ng th\u00e1i \u1ee7 (\u0111\u1ed9 c\u1ee9ng ~30 HRC), m\u00e1y h\u1ee3p kim gi\u1ed1ng nh\u01b0 th\u00e9p m\u1ec1m. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p d\u1ec5 d\u00e0ng c\u1eaft, khoan ho\u1eb7c phay c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 th\u00f4ng th\u01b0\u1eddng. Sau khi l\u00e3o h\u00f3a, \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 t\u0103ng l\u00ean 55-60 HRC. M\u1eb7c d\u00f9 v\u1eady, n\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng th\u1ea5p trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t (co ng\u00f3t 0,05%), cho ph\u00e9p gia c\u00f4ng g\u1ea7n nh\u01b0 h\u00ecnh d\u1ea1ng r\u00f2ng. \u0110i\u1ec1u n\u00e0y ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 gi\u1ea3m l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u.<\/p>

        H\u00e0n th\u00e9p Maraging 350<\/h2>

        Th\u00e0nh ph\u1ea7n kh\u00f4ng ch\u1ee9a carbon v\u00e0 c\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn c\u1ee7a Maraging 350 gi\u00fap d\u1ec5 d\u00e0ng h\u00e0n m\u00e0 kh\u00f4ng c\u1ea7n gia nhi\u1ec7t tr\u01b0\u1edbc. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ph\u1ed5 bi\u1ebfn bao g\u1ed3m h\u00e0n TIG, MIG v\u00e0 h\u00e0n ch\u00f9m tia \u0111i\u1ec7n t\u1eed (EBW). Qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a sau khi h\u00e0n kh\u00f4i ph\u1ee5c to\u00e0n b\u1ed9 \u0111\u1ed9 b\u1ec1n trong v\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t (HAZ), \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed3ng nh\u1ea5t.<\/p>

        Nh\u00e0 cung c\u1ea5p th\u00e9p Maraging 350 \u0111\u00e1ng tin c\u1eady cho c\u00e1c nhi\u1ec7m v\u1ee5 quan tr\u1ecdng<\/h2>

        T\u1ea1i SteelPro Group, m\u1ed7i l\u00f4 th\u00e9p Maraging 350 \u0111\u1ec1u \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y l\u1ea1i b\u1eb1ng h\u1ed3 quang ch\u00e2n kh\u00f4ng v\u00e0 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7. Ch\u00fang t\u00f4i cung c\u1ea5p ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 (MIL-S-46850, AMS 6515). Ch\u00fang t\u00f4i d\u1ef1 tr\u1eef c\u00e1c v\u00f2ng, t\u1ea5m v\u00e0 t\u1ea5m \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 gia c\u00f4ng, \u0111\u01b0\u1ee3c c\u1eaft theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/p>

        B\u1ea1n c\u1ea7n tr\u1ee3 gi\u00fap v\u1ec1 chu tr\u00ecnh l\u00e3o h\u00f3a ho\u1eb7c th\u1ea5m nit\u01a1? <\/p>

        Nh\u00f3m luy\u1ec7n kim c\u1ee7a ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 ki\u1ec3m to\u00e1n quy tr\u00ecnh mi\u1ec5n ph\u00ed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n th\u00e0nh c\u00f4ng. \u0110\u1eebng m\u1ea1o hi\u1ec3m l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c minh. Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 ngay h\u00f4m nay v\u00e0 tham gia c\u00f9ng nh\u1eefng ng\u01b0\u1eddi d\u1eabn \u0111\u1ea7u ng\u00e0nh tin t\u01b0\u1edfng ch\u00fang t\u00f4i!<\/p>

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

        Th\u00e9p Maraging 350 kh\u00f4ng ch\u1ec9 b\u1ec1n m\u00e0 c\u00f2n mang t\u00ednh c\u00e1ch m\u1ea1ng. H\u1ee3p kim n\u00e0y cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi th\u1ee9, t\u1eeb v\u1ecf t\u00ean l\u1eeda \u0111\u1ebfn b\u00e1nh r\u0103ng ch\u00ednh x\u00e1c. T\u1ea1i SteelPro Group, [\u2026]<\/p>","protected":false},"author":1,"featured_media":21770,"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-21774","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\/21774","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=21774"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21774\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21770"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}