{"id":21875,"date":"2025-04-15T07:09:00","date_gmt":"2025-04-14T23:09:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21875"},"modified":"2025-04-14T09:11:08","modified_gmt":"2025-04-14T01:11:08","slug":"black-carbon-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/carbon-steel\/black-carbon-steel\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn th\u00e9p cacbon \u0111en"},"content":{"rendered":"

Th\u00e9p cacbon th\u01b0\u1eddng b\u1ec1n. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 dao \u0111\u1ed9ng t\u1eeb 400 MPa \u0111\u1ebfn 1.200 MPa, t\u00f9y thu\u1ed9c v\u00e0o h\u00e0m l\u01b0\u1ee3ng cacbon v\u00e0 x\u1eed l\u00fd nhi\u1ec7t.<\/p>

SteelPro Group cung c\u1ea5p nhi\u1ec1u lo\u1ea1i th\u00e9p cacbon cho kh\u00e1ch h\u00e0ng \u1edf nhi\u1ec1u qu\u1ed1c gia kh\u00e1c nhau. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh kh\u00e1c nhau cho d\u1ef1 \u00e1n c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Ti\u1ebfp theo, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch nh\u1eefng y\u1ebfu t\u1ed1 l\u00e0m cho th\u00e9p cacbon b\u1ec1n nh\u01b0 v\u1eady v\u00e0 \u0111\u01b0a ra l\u1eddi khuy\u00ean chuy\u00ean m\u00f4n v\u1ec1 c\u00e1ch ch\u1ecdn lo\u1ea1i th\u00e9p cacbon ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>

Th\u00e9p cacbon \u0111en l\u00e0 g\u00ec?<\/h2>

Th\u00e9p cacbon \u0111en l\u00e0 th\u00e9p h\u1ee3p kim trung b\u00ecnh, th\u00e9p t\u00f4i b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i. Th\u00e9p cacbon \u0111en \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho khu\u00f4n d\u1eadp, d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh v\u00e0 khu\u00f4n nh\u1ef1a, n\u01a1i \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t l\u00e0 r\u1ea5t quan tr\u1ecdng. Th\u00e9p cacbon \u0111en \u0111\u00e3 t\u00f4i \u0111\u1ea1t 61-62 HRC, c\u00f3 \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n so v\u1edbi c\u00e1c h\u1ee3p kim ch\u1ed1ng m\u00e0i m\u00f2n nh\u01b0 D2.<\/p>

SteelPro Group cung c\u1ea5p th\u00e9p cacbon \u0111en, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi UNS T30106 v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM A681. C\u00e1c d\u1ea1ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u1ed1ng tr\u00f2n, \u1ed1ng v\u00e0 t\u1ea5m th\u00e9p cacbon \u0111en.<\/p>

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p cacbon \u0111en <\/h2>

B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y ph\u00e1c th\u1ea3o c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee5 th\u1ec3 \u0111\u1ec3 tham kh\u1ea3o.<\/p>

T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr>
\u0110\u1ed9 c\u1ee9ng (Rockwell C)<\/td>61 – 62<\/td>61 – 62<\/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>
M\u00f4 \u0111un c\u1eaft<\/td>77,0 GPa<\/td>11200 ksi<\/td><\/tr>
T\u1ef7 s\u1ed1 Poisson<\/td>0.3<\/td>0.3<\/td><\/tr>
Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td>65 %<\/td>65 %<\/td><\/tr><\/tbody><\/table><\/figure>

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p cacbon \u0111en<\/h2>

B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd ch\u00ednh c\u1ee7a n\u00f3 \u0111\u1ec3 tham kh\u1ea3o.<\/p>

T\u00e0i s\u1ea3n<\/strong><\/td>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr>
T\u1ec9 tr\u1ecdng<\/td>7,83 g\/cm\u00b3<\/td>0,283 lb\/in\u00b3<\/td><\/tr>
Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang<\/td>7.83<\/td>7.83<\/td><\/tr>
M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>207 GPa<\/td>30 x 10\u00b3 ksi<\/td><\/tr>
H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td>11,5 x 10\u207b\u2076 \/\u00b0C (20-100\u00b0C)<\/td>6,39 x 10\u207b\u2076 \/\u00b0F (68-212\u00b0F)<\/td><\/tr>
\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>24,9 W\/m\u00b7K<\/td>172,7 BTU\u00b7in\/ft\u00b2\u00b7h\u00b7\u00b0F<\/td><\/tr>
Nhi\u1ec7t dung ri\u00eang<\/td>460 J\/kg\u00b7K<\/td>0,11 BTU\/lb\u00b7\u00b0F<\/td><\/tr>
\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/td>0,00065 \u03a9\u00b7cm<\/td>25,6 \u03bc\u03a9\u00b7trong<\/td><\/tr><\/tbody><\/table><\/figure>

\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p cacbon \u0111en<\/h2>

Th\u00e9p cacbon \u0111en \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau do \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 ch\u1eafc v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>

1. X\u00e2y d\u1ef1ng v\u00e0 C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/strong><\/p>

Th\u00e9p cacbon \u0111en th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng c\u00e1c t\u00f2a nh\u00e0, c\u1ea7u v\u00e0 k\u1ebft c\u1ea5u h\u1ed7 tr\u1ee3. \u0110\u1ed9 b\u1ec1n k\u00e9o cao c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng cho c\u00e1c khung, c\u1ed1t th\u00e9p v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ecbu t\u1ea3i.<\/p>

2. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 \u1ed1ng n\u01b0\u1edbc<\/strong><\/p>

Do kh\u1ea3 n\u0103ng ch\u1ecbu \u00e1p su\u1ea5t v\u00e0 \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc, th\u00e9p cacbon \u0111en th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc, kh\u00ed \u0111\u1ed1t v\u00e0 d\u1ea7u. N\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, n\u01a1i c\u1ea7n c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/p>

3. Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4<\/strong><\/p>

Nhi\u1ec1u b\u1ed9 ph\u1eadn c\u1ee7a xe, ch\u1eb3ng h\u1ea1n nh\u01b0 khung g\u1ea7m, tr\u1ee5c v\u00e0 khung, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p cacbon \u0111en. N\u00f3 cung c\u1ea5p t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac c\u1ea7n thi\u1ebft cho c\u1ea3 xe ch\u1edf kh\u00e1ch v\u00e0 xe th\u01b0\u01a1ng m\u1ea1i.<\/p>

4. S\u1ea3n xu\u1ea5t v\u00e0 thi\u1ebft b\u1ecb n\u1eb7ng<\/strong><\/p>

C\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c, d\u1ee5ng c\u1ee5 c\u00f4ng nghi\u1ec7p v\u00e0 v\u1ecf thi\u1ebft b\u1ecb th\u01b0\u1eddng s\u1eed d\u1ee5ng th\u00e9p cacbon \u0111en v\u00ec n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 hao m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t.<\/p>

5. Thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p<\/strong><\/p>

T\u1eeb m\u00e1y c\u00e0y \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y k\u00e9o, th\u00e9p cacbon \u0111en \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p, n\u01a1i \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>

6. \u1ee8ng d\u1ee5ng trong \u0111\u00f3ng t\u00e0u v\u00e0 h\u00e0ng h\u1ea3i<\/strong><\/p>

\u0110\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed khi\u1ebfn th\u00e9p cacbon \u0111en tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o th\u00e2n t\u00e0u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n h\u00e0ng h\u1ea3i kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00f3 th\u00eam kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>

7. H\u00e0ng r\u00e0o v\u00e0 lan can<\/strong><\/p>

Th\u00e9p cacbon \u0111en th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi nh\u01b0 h\u00e0ng r\u00e0o, c\u1ed5ng v\u00e0 lan can \u0111\u01b0\u1eddng cao t\u1ed1c, n\u01a1i \u0111\u1ed9 b\u1ec1n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn.<\/p>

Ch\u1ebf t\u1ea1o th\u00e9p cacbon \u0111en v\u00e0 x\u1eed l\u00fd nhi\u1ec7t<\/h2>

X\u1eed l\u00fd nhi\u1ec7t gi\u00fap \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a th\u00e9p cacbon \u0111en cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ed1ng m\u00e0i m\u00f2n.<\/p>

T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p cacbon \u0111en \u1edf d\u1ea1ng \u1ee7, t\u00f4i tr\u01b0\u1edbc ho\u1eb7c x\u1eed l\u00fd ho\u00e0n to\u00e0n, s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a n\u00f3.<\/p>

R\u00e8n<\/h3>

Th\u00e9p cacbon \u0111en ph\u1ea3i \u0111\u01b0\u1ee3c r\u00e8n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 900-1150\u00b0C (1650-2100\u00b0F). \u1ee6 l\u00e0 b\u1eaft bu\u1ed9c sau khi r\u00e8n v\u00ec r\u00e8n t\u1ea1o ra \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea5u tr\u00fac h\u1ea1t kh\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc. <\/p>

\u1ee6<\/h3>

\u1ee6 l\u00e0 c\u1ea7n thi\u1ebft sau khi gia c\u00f4ng n\u00f3ng ho\u1eb7c tr\u01b0\u1edbc khi t\u00f4i l\u1ea1i \u0111\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 d\u1ebbo v\u00e0 t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng gia c\u00f4ng. \u0110\u1ed9 c\u1ee9ng sau qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 197-229 HB.<\/p>

Nhi\u1ec7t \u0111\u1ed9 n\u00ean \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c 800-850\u00b0C (1475-1560\u00b0F). Khi \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u1ee5c ti\u00eau, ng\u00e2m th\u00e9p trong 1 gi\u1edd cho m\u1ed7i 25,4 mm (1 inch) \u0111\u1ed9 d\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u00f5i v\u00e0 b\u1ec1 m\u1eb7t \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed3ng nh\u1ea5t. Sau khi ng\u00e2m, l\u00e0m ngu\u1ed9i th\u00e9p trong l\u00f2 \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t l\u00e0 15-20\u00b0C (27-36\u00b0F) m\u1ed7i gi\u1edd cho \u0111\u1ebfn khi \u0111\u1ea1t kho\u1ea3ng 650\u00b0C (1200\u00b0F). T\u1eeb th\u1eddi \u0111i\u1ec3m n\u00e0y, \u0111\u1ec3 th\u00e9p ngu\u1ed9i trong kh\u00f4ng kh\u00ed \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. <\/p>

L\u00e0m c\u1ee9ng<\/h3>
  • Austenit h\u00f3a<\/strong><\/li><\/ul>

    L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 815-870\u00b0C (1500-1600\u00b0F). Gi\u1eef th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong 30 ph\u00fat cho m\u1ed7i \u0111\u1ed9 d\u00e0y 25,4 mm (1 inch) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i ho\u00e0n to\u00e0n.<\/p>

    • L\u00e0m ngu\u1ed9i<\/strong><\/li><\/ul>

      C\u00e1c ph\u1ea7n m\u1ecfng (<25,4 mm ho\u1eb7c 1 inch) n\u00ean \u0111\u01b0\u1ee3c t\u00f4i b\u1eb1ng kh\u00f4ng kh\u00ed \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 800\u00b0C (1475\u00b0F). C\u00e1c ph\u1ea7n d\u00e0y h\u01a1n (\u226525,4 mm ho\u1eb7c 1 inch) c\u00f3 th\u1ec3 c\u1ea7n t\u00f4i b\u1eb1ng d\u1ea7u b\u1eaft \u0111\u1ea7u t\u1eeb 815-870\u00b0C (1500-1600\u00b0F) \u0111\u1ec3 c\u00f3 t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t ph\u00f9 h\u1ee3p. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4i tr\u01b0\u1eddng t\u00f4i gi\u00fap ng\u0103n ng\u1eeba n\u1ee9t trong khi v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng \u0111\u1ee7.<\/p>

      L\u00e0m ngu\u1ed9i<\/h3>

      Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay sau khi t\u00f4i \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 gi\u00f2n v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai. Th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u00f4i luy\u1ec7n mong mu\u1ed1n v\u00e0 gi\u1eef trong 1 gi\u1edd cho m\u1ed7i \u0111\u1ed9 d\u00e0y 25,4 mm (1 inch).<\/p>

      Ph\u1ea1m vi t\u00f4i luy\u1ec7n t\u1ed1i \u01b0u \u0111\u1ec3 c\u00e2n b\u1eb1ng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai l\u00e0 150-315\u00b0C (300-600\u00b0F). Ph\u1ea1m vi n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u1eeba ph\u1ea3i. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00f4i luy\u1ec7n \u1edf 425-540\u00b0C (797-1000\u00b0F), m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng m\u1ed9t ch\u00fat. <\/p>

      Nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/strong><\/td>Nhi\u1ec7t \u0111\u1ed9 (\u00b0F)<\/strong><\/td>\u0110\u1ed9 c\u1ee9ng (HRC)<\/strong><\/td><\/tr>
      95<\/td>203<\/td>61 – 62<\/td><\/tr>
      150<\/td>302<\/td>60 – 61<\/td><\/tr>
      205<\/td>401<\/td>58 – 59<\/td><\/tr>
      260<\/td>500<\/td>56 – 57<\/td><\/tr>
      315<\/td>599<\/td>55 – 56<\/td><\/tr>
      425<\/td>797<\/td>52 – 53<\/td><\/tr>
      480<\/td>896<\/td>50 – 51<\/td><\/tr>
      540<\/td>1004<\/td>48 – 49<\/td><\/tr><\/tbody><\/table><\/figure>

      T\u1ed1i \u01b0u h\u00f3a th\u00e9p cacbon \u0111en<\/h3>

      Th\u00e9p cacbon \u0111en c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 th\u1ea5p sau khi t\u00f4i ho\u1eb7c c\u00e1c chu k\u1ef3 ram k\u00e9o d\u00e0i trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>

      • \u0110i\u1ec1u tr\u1ecb \u0111\u00f4ng l\u1ea1nh<\/strong>: Chuy\u1ec3n \u0111\u1ed5i austenit gi\u1eef l\u1ea1i \u1edf -196\u00b0C (-320\u00b0F), c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc. L\u00fd t\u01b0\u1edfng cho c\u00e1c c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c.<\/li>\n\n
      • \u1ee6 m\u1edf r\u1ed9ng<\/strong>: Nhi\u1ec1u chu tr\u00ecnh t\u00f4i luy\u1ec7n gi\u00fap gi\u1ea3m austenit v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng, mang l\u1ea1i gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li><\/ul>

        N\u00e2ng cao tr\u1ea3i nghi\u1ec7m th\u00e9p cacbon \u0111en c\u1ee7a b\u1ea1n<\/h2>

        T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 cung c\u1ea5p v\u1eadt li\u1ec7u m\u00e0 c\u00f2n cung c\u1ea5p gi\u1ea3i ph\u00e1p. T\u1eeb thanh v\u00e0 t\u1ea5m \u0111\u1ebfn t\u1ea5m v\u00e0 tr\u00f2n, c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p cacbon \u0111en c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n cao nh\u1ea5t c\u1ee7a ng\u00e0nh. <\/p>

        Ch\u00fang t\u00f4i kh\u00f4ng d\u1eebng l\u1ea1i \u1edf vi\u1ec7c cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4. C\u00e1c d\u1ecbch v\u1ee5 x\u1eed l\u00fd to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u00fap b\u1ea1n t\u1ed1i \u0111a h\u00f3a ti\u1ec1m n\u0103ng c\u1ee7a th\u00e9p cacbon \u0111en cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, bao g\u1ed3m x\u1eed l\u00fd nhi\u1ec7t, gia c\u00f4ng t\u00f9y ch\u1ec9nh, m\u00e0i b\u1ec1 m\u1eb7t v\u00e0 \u0111\u00e1nh b\u00f3ng<\/p>

        V\u1edbi SteelPro Group, b\u1ea1n kh\u00f4ng ch\u1ec9 c\u00f3 \u0111\u01b0\u1ee3c th\u00e9p cacbon \u0111en m\u00e0 c\u00f2n c\u00f3 m\u1ed9t \u0111\u1ed1i t\u00e1c cam k\u1ebft gi\u00fap b\u1ea1n th\u00e0nh c\u00f4ng.<\/p>","protected":false},"excerpt":{"rendered":"

        Th\u00e9p cacbon th\u01b0\u1eddng r\u1ea5t b\u1ec1n. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 dao \u0111\u1ed9ng t\u1eeb 400 MPa \u0111\u1ebfn 1.200 MPa, t\u00f9y thu\u1ed9c v\u00e0o h\u00e0m l\u01b0\u1ee3ng cacbon [\u2026]<\/p>","protected":false},"author":12,"featured_media":21874,"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":[4963],"tags":[],"class_list":["post-21875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbon-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21875","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=21875"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21875\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21874"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}