{"id":21847,"date":"2025-04-13T06:10:00","date_gmt":"2025-04-12T22:10:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21847"},"modified":"2025-04-07T16:13:27","modified_gmt":"2025-04-07T08:13:27","slug":"is-carbon-steel-magnetic","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/carbon-steel\/is-carbon-steel-magnetic\/","title":{"rendered":"Th\u00e9p cacbon c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng? Nh\u1eadn c\u00e2u tr\u1ea3 l\u1eddi nhanh ch\u00f3ng!"},"content":{"rendered":"

\u0110\u00fang. <\/span><\/p>

Th\u00e9p cacbon c\u00f3 t\u00ednh t\u1eeb t\u00ednh do th\u00e0nh ph\u1ea7n gi\u00e0u s\u1eaft<\/span> V\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3<\/span>. Tuy nhi\u00ean, s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng gi\u1ed1ng nhau\u2014n\u00f3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i d\u1ef1a tr\u00ean h\u00e0m l\u01b0\u1ee3ng cacbon, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim<\/span>.<\/span><\/p>

SteelPro Group cung c\u1ea5p th\u00f4ng tin chuy\u00ean s\u00e2u v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd kh\u00e1m ph\u00e1 l\u00fd do \u0111\u1eb1ng sau t\u1eeb t\u00ednh c\u1ee7a th\u00e9p cacbon, c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh c\u1ee7a n\u00f3 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/span><\/p>

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

Th\u00e9p cacbon l\u00e0 h\u1ee3p kim s\u1eaft-cacbon ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 cacbon, v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim t\u1ed1i thi\u1ec3u. H\u00e0m l\u01b0\u1ee3ng cacbon th\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 0,05% \u0111\u1ebfn 2,0%. Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p cacbon kh\u00f4ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom \u0111\u00e1ng k\u1ec3, khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n nh\u01b0ng ch\u1eafc h\u01a1n v\u00e0 b\u1ec1n h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u.<\/span><\/p>

Ki\u1ec3u<\/strong><\/td>H\u00e0m l\u01b0\u1ee3ng cacbon<\/strong><\/td>T\u1eeb t\u00ednh<\/strong><\/td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong><\/td><\/tr>
Th\u00e9p \u00edt cacbon
(Th\u00e9p m\u1ec1m)<\/td>		<0,3%<\/td>T\u1eeb t\u00ednh m\u1ea1nh<\/td>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac, \u1ed1ng, t\u1ea5m th\u00e2n xe<\/td><\/tr>
Th\u00e9p cacbon trung b\u00ecnh<\/td>0,3%\u20130,6%<\/td>T\u1eeb t\u00ednh v\u1eeba ph\u1ea3i<\/td>B\u00e1nh r\u0103ng, tr\u1ee5c, \u0111\u01b0\u1eddng ray, b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c<\/td><\/tr>
Th\u00e9p cacbon cao<\/td>0,6%\u20132,0%<\/td>T\u1eeb t\u00ednh nh\u01b0ng \u00edt th\u1ea5m h\u01a1n<\/td>D\u1ee5ng c\u1ee5 c\u1eaft, l\u00f2 xo, d\u00e2y c\u00f3 \u0111\u1ed9 b\u1ec1n cao<\/td><\/tr><\/tbody><\/table><\/figure>

T\u1ea1i sao th\u00e9p cacbon l\u1ea1i c\u00f3 t\u1eeb t\u00ednh?<\/span><\/h2>

Th\u00e9p cacbon c\u00f3 t\u00ednh t\u1eeb v\u00ec n\u00f3 ch\u1ee9a s\u1eaft<\/span>, m\u1ed9t nguy\u00ean t\u1ed1 c\u00f3 t\u1eeb t\u00ednh t\u1ef1 nhi\u00ean v\u00e0 c\u00f3 c\u1ea5u tr\u00fac ferritic<\/span> h\u1ed7 tr\u1ee3 t\u1eeb t\u00ednh. Khi ti\u1ebfp x\u00fac v\u1edbi t\u1eeb tr\u01b0\u1eddng, c\u00e1c mi\u1ec1n t\u1eeb c\u1ee7a n\u00f3 s\u1ebd th\u1eb3ng h\u00e0ng.<\/span><\/p>

Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9, c\u00f3 ch\u1ee9a niken ho\u1eb7c crom \u0111\u1ec3 ph\u00e1 v\u1ee1 t\u1eeb t\u00ednh, th\u00e9p cacbon gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac vi m\u00f4 ferritic ho\u1eb7c perlit<\/span>, khi\u1ebfn n\u00f3 c\u00f3 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh b\u1ea9m sinh.<\/span><\/p>

Tuy nhi\u00ean, s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh c\u1ee7a n\u00f3 thay \u0111\u1ed5i theo h\u00e0m l\u01b0\u1ee3ng cacbon, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim<\/span>.<\/span><\/p>

Vai tr\u00f2 c\u1ee7a s\u1eaft v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3<\/span><\/h3>

S\u1eaft l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a th\u00e9p cacbon v\u00e0 s\u1eaft c\u00f3 t\u00ednh t\u1eeb cao. C\u1ea5u tr\u00fac nguy\u00ean t\u1eed BCC c\u1ee7a n\u00f3 t\u1ea1o th\u00e0nh c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh, d\u1ec5 d\u00e0ng c\u0103n ch\u1ec9nh khi \u0111\u1eb7t trong t\u1eeb tr\u01b0\u1eddng. S\u1ef1 c\u0103n ch\u1ec9nh n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean t\u00ednh ch\u1ea5t t\u1eeb m\u1ea1nh c\u1ee7a th\u00e9p cacbon.<\/span><\/p>

T\u1ea1i sao h\u00e0m l\u01b0\u1ee3ng cacbon kh\u00f4ng lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh?<\/span><\/h3>

Th\u00e9p cacbon ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf cacbon (l\u00ean \u0111\u1ebfn 2,0%), nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng l\u00e0m thay \u0111\u1ed5i c\u1ea5u tr\u00fac s\u1eaft c\u1ee7a n\u00f3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 niken ho\u1eb7c mangan, c\u00f3 th\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh, cacbon gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac tinh th\u1ec3, cho ph\u00e9p th\u00e9p duy tr\u00ec t\u00ednh t\u1eeb.<\/span><\/p>

X\u1eed l\u00fd nhi\u1ec7t v\u00e0 l\u00e0m l\u1ea1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eeb t\u00ednh<\/span><\/h3>

X\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao ho\u1eb7c gia c\u00f4ng ngu\u1ed9i c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 l\u00e0m gi\u1ea3m nh\u1eb9 t\u1eeb t\u00ednh trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. Tuy nhi\u00ean, hi\u1ec7u \u1ee9ng n\u00e0y th\u01b0\u1eddng nh\u1ecf v\u00e0 h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p cacbon v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>

T\u1eeb t\u00ednh c\u1ee7a th\u00e9p cacbon: C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng ch\u00ednh<\/span><\/h2>

H\u00e0m l\u01b0\u1ee3ng cacbon<\/span><\/h3>

Carbon \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a n\u00f3 nh\u01b0ng kh\u00f4ng lo\u1ea1i b\u1ecf t\u1eeb t\u00ednh. Th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p (v\u00ed d\u1ee5, th\u00e9p m\u1ec1m) c\u00f3 xu h\u01b0\u1edbng c\u00f3 t\u1eeb t\u00ednh cao h\u01a1n th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao.<\/span><\/p>

Khi h\u00e0m l\u01b0\u1ee3ng cacbon t\u0103ng, nhi\u1ec1u cementite (Fe\u2083C) \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, \u00edt t\u1eeb t\u00ednh h\u01a1n s\u1eaft nguy\u00ean ch\u1ea5t. M\u1ee9c cacbon cao h\u01a1n c\u0169ng l\u00e0m gi\u1ea3m ferrite, pha c\u00f3 t\u1eeb t\u00ednh m\u1ea1nh, v\u00e0 t\u0103ng perlite, pha c\u00f3 ph\u1ea3n \u1ee9ng t\u1eeb t\u00ednh y\u1ebfu h\u01a1n. <\/span><\/p>

C\u1ea5u tr\u00fac tinh th\u1ec3<\/span><\/h3>

\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, th\u00e9p cacbon ch\u1ee7 y\u1ebfu c\u00f3 c\u1ea5u tr\u00fac kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC), \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong ferit, c\u00f3 t\u00ednh t\u1eeb cao. Khi h\u00e0m l\u01b0\u1ee3ng cacbon t\u0103ng, nhi\u1ec1u perlit (h\u1ed7n h\u1ee3p ferit v\u00e0 x\u00eamentit) h\u00ecnh th\u00e0nh, l\u00e0m gi\u1ea3m nh\u1eb9 t\u00ednh t\u1eeb.<\/span><\/p>

X\u1eed l\u00fd nhi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u1ea5u tr\u00fac tinh th\u1ec3. Martensite, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng c\u00e1ch l\u00e0m ngu\u1ed9i nhanh, v\u1eabn c\u00f3 t\u00ednh s\u1eaft t\u1eeb nh\u01b0ng c\u00f3 th\u1ec3 c\u00f3 t\u1eeb t\u00ednh th\u1ea5p h\u01a1n.<\/p>

X\u1eed l\u00fd nhi\u1ec7t<\/span><\/h3>
  • \u1ee6<\/span>\u00a0(l\u00e0m ngu\u1ed9i ch\u1eadm sau khi nung) gi\u00fap kh\u00f4i ph\u1ee5c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ea1t v\u00e0 c\u1ea3i thi\u1ec7n t\u1eeb t\u00ednh.<\/span><\/li>\n\n
  • L\u00e0m ngu\u1ed9i<\/span>\u00a0(l\u00e0m m\u00e1t nhanh) c\u00f3 th\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t d\u01b0, khi\u1ebfn c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh kh\u00f3 c\u0103n ch\u1ec9nh h\u01a1n, l\u00e0m gi\u1ea3m t\u1eeb t\u00ednh t\u1ed5ng th\u1ec3.<\/span><\/li>\n\n
  • N\u1ebfu th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i qu\u00e1 nhanh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, m\u1ed9t s\u1ed1 austenit c\u00f2n s\u00f3t l\u1ea1i (pha kh\u00f4ng t\u1eeb t\u00ednh) c\u00f3 th\u1ec3 v\u1eabn c\u00f2n, l\u00e0m t\u1eeb t\u00ednh y\u1ebfu \u0111i \u0111\u00f4i ch\u00fat.<\/span><\/li><\/ul>

    L\u00e0m vi\u1ec7c ngu\u1ed9i v\u00e0 c\u01a1 kh\u00ed<\/span><\/h3>

    C\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 c\u00e1n, r\u00e8n v\u00e0 gia c\u00f4ng t\u1ea1o ra \u1ee9ng su\u1ea5t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eeb t\u00ednh:<\/span><\/p>

    • L\u00e0m vi\u1ec7c l\u1ea1nh <\/span>(v\u00ed d\u1ee5, l\u0103n, u\u1ed1n cong) l\u00e0m t\u0103ng m\u1eadt \u0111\u1ed9 sai l\u1ec7ch, c\u00f3 th\u1ec3 g\u00e2y tr\u1edf ng\u1ea1i cho s\u1ef1 c\u0103n ch\u1ec9nh mi\u1ec1n t\u1eeb t\u00ednh.<\/span><\/li>\n\n
    • T\u1eeb t\u00ednh c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u0111\u1ecbnh h\u01b0\u1edbng<\/span>, ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 l\u00e0 t\u1eeb t\u00ednh nhi\u1ec1u h\u01a1n theo h\u01b0\u1edbng l\u0103n<\/span>\u00a0h\u01a1n so v\u1edbi c\u00e1c h\u01b0\u1edbng kh\u00e1c.<\/span><\/li>\n\n
    • Bi\u1ebfn d\u1ea1ng nghi\u00eam tr\u1ecdng<\/span>\u00a0c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 t\u1eeb tr\u01b0\u1eddng \u0111\u1ed3ng nh\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u, l\u00e0m t\u1eeb t\u00ednh y\u1ebfu \u0111i \u0111\u00f4i ch\u00fat.<\/span><\/li><\/ul>

      C\u1ea5u tr\u00fac h\u1ea1t v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t<\/span><\/h3>

      K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 \u0111\u1eb7c c\u1ee7a h\u1ea1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh:<\/span><\/p>

      • H\u1ea1t l\u1edbn h\u01a1n<\/span>\u00a0cho ph\u00e9p c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh di chuy\u1ec3n t\u1ef1 do h\u01a1n, d\u1eabn \u0111\u1ebfn t\u1eeb t\u00ednh m\u1ea1nh h\u01a1n<\/span>.<\/span><\/li>\n\n
      • C\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn<\/span>\u00a0t\u1ea1o ra nhi\u1ec1u ranh gi\u1edbi h\u01a1n, khi\u1ebfn c\u00e1c mi\u1ec1n kh\u00f3 c\u0103n ch\u1ec9nh h\u01a1n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m nh\u1eb9 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb t\u00ednh.<\/span><\/li>\n\n
      • C\u00e1c t\u1ea1p ch\u1ea5t v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u<\/span>\u00a0c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 r\u00e0o c\u1ea3n t\u1eeb t\u00ednh<\/span>, l\u00e0m suy y\u1ebfu ph\u1ea3n \u1ee9ng t\u1eeb t\u00ednh t\u1ed5ng th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u.<\/span><\/li><\/ul>

        Trong h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p cacbon, c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y ch\u1ec9 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 t\u1eeb t\u00ednh. Th\u00e9p cacbon v\u1eabn c\u00f3 t\u1eeb t\u00ednh m\u1ea1nh nh\u00ecn chung, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi so s\u00e1nh v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh.<\/span><\/p>

        \u1ee8ng d\u1ee5ng th\u00e9p cacbon cho t\u1eeb t\u00ednh <\/span><\/h2>
        • \u1ee8ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eeb: M\u00e1y bi\u1ebfn \u00e1p v\u00e0 \u0111\u1ed9ng c\u01a1, nam ch\u00e2m \u0111i\u1ec7n.<\/span><\/li>\n\n
        • Ph\u1ee5 t\u00f9ng \u00f4 t\u00f4 v\u00e0 m\u00e1y m\u00f3c: Th\u00e9p gia c\u01b0\u1eddng, kh\u00f3a t\u1eeb.<\/span><\/li>\n\n
        • S\u1ea3n xu\u1ea5t & C\u00f4ng c\u1ee5: M\u00e1y c\u00f4ng c\u1ee5 & khu\u00f4n m\u1eabu, kho l\u01b0u tr\u1eef t\u1eeb t\u00ednh.<\/span><\/li>\n\n
        • \u0110\u01b0\u1eddng s\u1eaft & C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng: \u0110\u01b0\u1eddng ray & \u1ed1c v\u00edt, thang m\u00e1y & b\u0103ng t\u1ea3i<\/span><\/li><\/ul>

          Th\u00e9p cacbon c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/span><\/h2>

          C\u00f3, nh\u01b0ng r\u1ea5t hi\u1ebfm. M\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 ho\u1eb7c lo\u1ea1i b\u1ecf t\u1eeb t\u00ednh trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3.<\/span><\/p>

          Nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao<\/span><\/h3>

          Th\u00e9p cacbon m\u1ea5t t\u1eeb t\u00ednh khi \u0111\u01b0\u1ee3c nung n\u00f3ng tr\u00ean nhi\u1ec7t \u0111\u1ed9 Curie, n\u1eb1m trong kho\u1ea3ng 768\u2013770\u00b0C (1414\u20131418\u00b0F). \u1ede nhi\u1ec7t \u0111\u1ed9 n\u00e0y, c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a n\u00f3 chuy\u1ec3n t\u1eeb d\u1ea1ng l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC) sang d\u1ea1ng l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC), ph\u00e1 v\u1ee1 s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh. Tuy nhi\u00ean, khi \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1nh d\u01b0\u1edbi \u0111i\u1ec3m Curie, th\u00e9p cacbon l\u1ea5y l\u1ea1i t\u1eeb t\u00ednh c\u1ee7a n\u00f3.<\/span><\/p>

          H\u1ee3p kim v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00f4ng t\u1eeb t\u00ednh<\/span><\/h3>

          M\u1eb7c d\u00f9 th\u00e9p cacbon ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 cacbon, vi\u1ec7c th\u00eam niken, mangan ho\u1eb7c silic v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00f3 th\u1ec3 \u1ee9c ch\u1ebf t\u1eeb t\u00ednh c\u1ee7a n\u00f3. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac vi m\u00f4 kh\u00f4ng t\u1eeb t\u00ednh, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 austenit. <\/span><\/p>

          Tuy nhi\u00ean, h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p cacbon ti\u00eau chu\u1ea9n kh\u00f4ng ch\u1ee9a \u0111\u1ee7 c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y \u0111\u1ec3 tr\u1edf n\u00ean ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh<\/span>.<\/span><\/p>

          Nh\u1eadn Th\u00e9p Carbon \u0110\u01b0\u1ee3c Thi\u1ebft K\u1ebf Cho S\u1ef1 Th\u00e0nh C\u00f4ng C\u1ee7a B\u1ea1n<\/span><\/h2>

          Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c th\u00e9p cacbon v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng t\u1eeb t\u00ednh<\/span> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a ng\u00e0nh. L\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m phong ph\u00fa c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m t\u1ea5m, cu\u1ed9n, thanh v\u00e0 \u1ed1ng<\/span>, \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 \u0111\u00fang v\u1eadt li\u1ec7u cho m\u1ecdi \u1ee9ng d\u1ee5ng. <\/span><\/p>

          V\u1edbi m\u1ed9t kho h\u00e0ng \u0111\u01b0\u1ee3c d\u1ef1 tr\u1eef \u0111\u1ea7y \u0111\u1ee7 v\u00e0 t\u1ed1c \u0111\u1ed9 giao h\u00e0ng \u1ea5n t\u01b0\u1ee3ng<\/span>SteelPro Group l\u00e0 \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p ch\u1ea5t l\u01b0\u1ee3ng cao.<\/span><\/p>

           <\/p>

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

          T\u00ecm hi\u1ec3u l\u00fd do t\u1ea1i sao th\u00e9p cacbon c\u00f3 t\u1eeb t\u00ednh, y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eeb t\u00ednh c\u1ee7a th\u00e9p v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng th\u00e9p. SteelPro Group cung c\u1ea5p th\u00f4ng tin chuy\u00ean s\u00e2u v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>","protected":false},"author":1,"featured_media":21848,"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-21847","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\/21847","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=21847"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21847\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21848"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}