{"id":21404,"date":"2025-03-11T02:00:00","date_gmt":"2025-03-10T18:00:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21404"},"modified":"2025-03-14T16:06:52","modified_gmt":"2025-03-14T08:06:52","slug":"low-alloy-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/low-alloy-steel\/","title":{"rendered":"T\u1ed5ng quan v\u1ec1 th\u00e9p h\u1ee3p kim th\u1ea5p: T\u00ednh ch\u1ea5t, c\u00f4ng d\u1ee5ng, c\u1ea5p \u0111\u1ed9"},"content":{"rendered":"

Th\u00e9p h\u1ee3p kim l\u00e0 m\u1ed9t nh\u00f3m kim lo\u1ea1i \u0111a d\u1ea1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t n\u00e2ng cao b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u1ee5 th\u1ec3. Th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00ec kh\u1ea3 n\u0103ng gia c\u00f4ng v\u01b0\u1ee3t tr\u1ed9i, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi kh\u1eaft khe. <\/span><\/p>

Trong b\u00e0i vi\u1ebft n\u00e0y, SteelPro Group s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u v\u1ec1 v\u1eadt li\u1ec7u n\u00e0y v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3, cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/span><\/p>

Th\u00e9p h\u1ee3p kim th\u1ea5p l\u00e0 g\u00ec?<\/span><\/h2>

Th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi h\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim khi\u00eam t\u1ed1n, th\u01b0\u1eddng kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 5% trong t\u1ed5ng th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y th\u01b0\u1eddng bao g\u1ed3m crom, niken, molypden v\u00e0 \u0111\u00f4i khi l\u00e0 vanadi. So v\u1edbi th\u00e9p cacbon th\u00f4ng th\u01b0\u1eddng, th\u00e9p h\u1ee3p kim th\u1ea5p cung c\u1ea5p c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed3ng th\u1eddi v\u1eabn duy tr\u00ec chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t h\u01a1n. T\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m h\u1ee3p kim th\u1ea5p g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean t\u1ef7 l\u1ec7 c\u01b0\u1eddng \u0111\u1ed9 tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng cao c\u1ee7a th\u00e9p, khi\u1ebfn n\u00f3 c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n m\u00e0 kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng qu\u00e1 l\u1edbn.<\/span><\/p>

Th\u00e9p HSLA l\u00e0 g\u00ec?<\/span><\/h3>

Th\u00e9p h\u1ee3p kim th\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 cao (HSLA) l\u00e0 m\u1ed9t ph\u00e2n nh\u00f3m th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u01b0\u1ee3t tr\u1ed9i. Lo\u1ea1i th\u00e9p n\u00e0y v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a th\u00e9p h\u1ee3p kim th\u1ea5p\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t v\u00e0 chi ph\u00ed c\u1ea1nh tranh\u2014nh\u01b0ng c\u00f3 t\u1ef7 l\u1ec7 \u0111\u1ed9 b\u1ec1n tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng th\u1eadm ch\u00ed c\u00f2n l\u1edbn h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong kh\u00ed quy\u1ec3n t\u1ed1t h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho th\u00e9p HSLA tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u v\u00e0 k\u1ef9 thu\u1eadt<\/span><\/p>

C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a th\u00e9p h\u1ee3p kim th\u1ea5p<\/span><\/h2>

T\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh<\/span><\/h3>

Th\u00e9p h\u1ee3p kim th\u1ea5p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n cao h\u01a1n th\u00e9p cacbon th\u00f4ng th\u01b0\u1eddng do c\u00f3 s\u1ef1 b\u1ed5 sung chi\u1ebfn l\u01b0\u1ee3c c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 crom, molypden v\u00e0 niken. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y t\u0103ng c\u01b0\u1eddng c\u1ea5u tr\u00fac c\u1ee7a th\u00e9p \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed, cho ph\u00e9p th\u00e9p ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t v\u00e0 t\u1ea3i tr\u1ecdng l\u1edbn h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 chi ph\u00ed.<\/span><\/p>

\u0110\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/span><\/h3>

Lo\u1ea1i th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 b\u1ec1n, cho ph\u00e9p n\u00f3 h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng m\u00e0 n\u1ebfu kh\u00f4ng s\u1ebd khi\u1ebfn c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n h\u01a1n b\u1ecb h\u1ecfng. \u0110\u1eb7c t\u00ednh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 trong x\u00e2y d\u1ef1ng v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/span><\/p>

C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/span><\/h3>

M\u1eb7c d\u00f9 h\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim th\u1ea5p, nh\u01b0ng c\u00e1c nguy\u00ean t\u1ed1 c\u1ee5 th\u1ec3 nh\u01b0 crom v\u00e0 niken trong th\u00e9p h\u1ee3p kim th\u1ea5p gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi th\u00e9p cacbon th\u00f4ng th\u01b0\u1eddng. <\/span><\/p>

Kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t<\/span><\/h3>

M\u1eb7c d\u00f9 c\u00f3 s\u1ef1 c\u1ea3i thi\u1ec7n v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai, th\u00e9p h\u1ee3p kim th\u1ea5p v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t. T\u00ednh ch\u1ea5t n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t v\u00e0 x\u00e2y d\u1ef1ng, n\u01a1i h\u00e0n l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u1ec3 gh\u00e9p n\u1ed1i v\u1eadt li\u1ec7u. Kh\u1ea3 n\u0103ng h\u00e0n m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t \u0111\u1ed9 b\u1ec1n t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i khi\u1ebfn th\u00e9p h\u1ee3p kim th\u1ea5p tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c k\u1ebft c\u1ea5u l\u1edbn.<\/span><\/p>

Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/span><\/h3>

Th\u00e9p h\u1ee3p kim th\u1ea5p cung c\u1ea5p gi\u1ea3i ph\u00e1p thay th\u1ebf ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u1ea3 th\u00e9p cacbon ti\u00eau chu\u1ea9n v\u00e0 th\u00e9p h\u1ee3p kim cao h\u01a1n. N\u00f3 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n m\u00e0 kh\u00f4ng ph\u1ea3i tr\u1ea3 gi\u00e1 b\u1eb1ng t\u1ef7 l\u1ec7 h\u1ee3p kim cao. S\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, n\u01a1i m\u00e0 c\u1ea3 \u0111\u1ed9 b\u1ec1n v\u00e0 ng\u00e2n s\u00e1ch \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00e2n nh\u1eafc ch\u00ednh.<\/span><\/p>

C\u1ea5p th\u00e9p h\u1ee3p kim th\u1ea5p<\/span><\/h2>

Th\u00e9p h\u1ee3p kim th\u1ea5p c\u00f3 nhi\u1ec1u lo\u1ea1i, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. \u1ede \u0111\u00e2y ch\u00fang t\u00f4i th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t, bao g\u1ed3m 4130, 4140, 4340 v\u00e0 8620, n\u00eau b\u1eadt c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00f4ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a ch\u00fang.<\/span><\/p>

Th\u00e9p 4130<\/span><\/h3>

Th\u00e9p AISI 4130<\/a> l\u00e0 th\u00e9p h\u1ee3p kim crom-molypden \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u1ec1 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng h\u00e0n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u00f4 t\u00f4 cho c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 gi\u00e1 \u0111\u1ee1 \u0111\u1ed9ng c\u01a1 m\u00e1y bay v\u00e0 khung g\u1ea7m xe \u0111ua. Th\u00e9p n\u00e0y mang l\u1ea1i s\u1ef1 k\u1ebft h\u1ee3p tuy\u1ec7t v\u1eddi gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 linh ho\u1ea1t, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0a th\u00edch cho xe \u0111\u1ea1p v\u00e0 s\u00fang chuy\u00ean nghi\u1ec7p.<\/span><\/p>

Th\u00e9p 4140<\/span><\/h3>

Th\u00e9p AISI 4140<\/a><\/span>, c\u0169ng l\u00e0 th\u00e9p crom-molypden, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 b\u1ec1n k\u00e9o cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t. 4140 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t b\u00e1nh r\u0103ng, tr\u1ee5c, tr\u1ee5c v\u00e0 \u1ed1c v\u00edt. N\u00f3 mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng tuy\u1ec7t v\u1eddi gi\u1eefa \u0111\u1ed9 b\u1ec1n ch\u1ed1ng m\u1ecfi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/span><\/p>

Th\u00e9p 4340<\/span><\/h3>

Th\u00e9p AISI 4340<\/a> l\u00e0 th\u00e9p h\u1ee3p kim niken-crom-molypden \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 ch\u1eafc ch\u1eafn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 m\u1ecfi \u0111\u1eb7c bi\u1ec7t. N\u00f3 \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 b\u00e1nh \u0111\u00e1p do kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t l\u1edbn. H\u01a1n n\u1eefa, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 b\u00e1nh r\u0103ng, tr\u1ee5c khu\u1ef7u v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu t\u1ea3i n\u1eb7ng kh\u00e1c trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng.<\/span><\/p>

Th\u00e9p 8620<\/span><\/h3>

Ti\u00eau chu\u1ea9n AISI 8620<\/a> l\u00e0 th\u00e9p h\u1ee3p kim niken-crom-molypden cacbon th\u1ea5p, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn ch\u1ee7 y\u1ebfu nh\u1edd \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a l\u00f5i. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh t\u00f4i v\u1ecf, n\u01a1i n\u00f3 cung c\u1ea5p l\u00f5i c\u1ee9ng v\u1edbi l\u1edbp v\u1ecf ngo\u00e0i c\u1ee9ng. Lo\u1ea1i th\u00e9p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t b\u00e1nh r\u0103ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u00e1nh r\u0103ng \u00f4 t\u00f4 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao kh\u00e1c, n\u01a1i c\u1ea7n \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp.<\/span><\/p>

SteelPro Group cung c\u1ea5p th\u00e9p 4130, 4140, 4340 v\u00e0 8620 d\u01b0\u1edbi d\u1ea1ng t\u1ea5m, thanh v\u00e0 \u1ed1ng c\u00f9ng nhi\u1ec1u lo\u1ea1i kh\u00e1c. Kh\u00e1m ph\u00e1 \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a h\u1ee3p kim c\u1ee7a ch\u00fang t\u00f4i, ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u k\u1ef9 thu\u1eadt kh\u1eaft khe nh\u1ea5t c\u1ee7a b\u1ea1n.<\/span><\/p>

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p h\u1ee3p kim th\u1ea5p<\/span><\/h2>
Y\u1ebfu t\u1ed1<\/strong><\/td>Th\u00e9p 4130<\/strong><\/td>Th\u00e9p 4140<\/strong><\/td>Th\u00e9p 4340<\/strong><\/td>Th\u00e9p 8620<\/strong><\/td><\/tr>
Cacbon (C)<\/td>0.28-0.33%<\/td>0.38-0.43%<\/td>0.38-0.43%<\/td>0.18-0.23%<\/td><\/tr>
Mangan (Mn)<\/td>0.40-0.60%<\/td>0.75-1.00%<\/td>0.60-0.80%<\/td>0.70-0.90%<\/td><\/tr>
Silic (Si)<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td><\/tr>
Crom (Cr)<\/td>0.80-1.10%<\/td>0.80-1.10%<\/td>0.70-0.90%<\/td>0.40-0.60%<\/td><\/tr>
Molip\u0111en (Mo)<\/td>0.15-0.25%<\/td>0.15-0.25%<\/td>0.20-0.30%<\/td>0.15-0.25%<\/td><\/tr>
Niken (Ni)<\/td>\u22640,25%<\/td>\u22640,25%<\/td>1.65-2.00%<\/td>0.40-0.70%<\/td><\/tr><\/tbody><\/table><\/figure>

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p h\u1ee3p kim th\u1ea5p<\/span><\/h2>
\u0110i\u1ec3m s\u1ed1<\/strong><\/td>\u0110\u1ed9 b\u1ec1n k\u00e9o (MPa)<\/strong><\/td>Gi\u1edbi h\u1ea1n ch\u1ea3y (MPa)<\/strong><\/td>\u0110\u1ed9 gi\u00e3n d\u00e0i (%)<\/strong><\/td>\u0110\u1ed9 c\u1ee9ng (BHN)<\/strong><\/td><\/tr>
Th\u00e9p 4130<\/td>670 – 900<\/td>435 – 635<\/td>20 – 25<\/td>217 – 235<\/td><\/tr>
Th\u00e9p 4140<\/td>655 – 880<\/td>415 – 655<\/td>15 – 25<\/td>197 – 220<\/td><\/tr>
Th\u00e9p 4340<\/td>745 – 925<\/td>470 – 720<\/td>20 – 22<\/td>217 – 235<\/td><\/tr>
Th\u00e9p 8620<\/td>530 – 720<\/td>385 – 535<\/td>20 – 30<\/td>149 – 167<\/td><\/tr><\/tbody><\/table><\/figure>

\u1ee8ng d\u1ee5ng th\u00e9p h\u1ee3p kim th\u1ea5p<\/h2>

Sau \u0111\u00e2y l\u00e0 b\u1ea3ng chi ti\u1ebft gi\u1edbi thi\u1ec7u c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a th\u00e9p h\u1ee3p kim th\u1ea5p trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/span><\/p>

Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/td>\u1ee8ng d\u1ee5ng<\/strong><\/td>\u0110i\u1ec3m s\u1ed1<\/strong><\/td><\/tr>
\u00d4 t\u00f4<\/td>B\u00e1nh r\u0103ng, tr\u1ee5c, tr\u1ee5c<\/td>4130, 4140<\/td><\/tr>
H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>C\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay nh\u01b0 b\u00e1nh \u0111\u00e1p, khung<\/td>4340, 300M<\/td><\/tr>
X\u00e2y d\u1ef1ng v\u00e0 C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/td>C\u1ea7u, t\u00f2a nh\u00e0, \u0111\u01b0\u1eddng \u1ed1ng<\/td>8620, 4130<\/td><\/tr>
Ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng<\/td>Thi\u1ebft b\u1ecb ph\u00e1t \u0111i\u1ec7n nh\u01b0 l\u00f2 h\u01a1i v\u00e0 tua bin<\/td>A514, 4140<\/td><\/tr>
M\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb n\u1eb7ng<\/td>C\u1ea7n c\u1ea9u, m\u00e1y \u1ee7i, m\u00e1y \u0111\u00e0o<\/td>4140, 4340<\/td><\/tr>
Qu\u00e2n s\u1ef1 v\u00e0 Qu\u1ed1c ph\u00f2ng<\/td>Xe c\u1ed9, thi\u1ebft b\u1ecb qu\u1ed1c ph\u00f2ng<\/td>46100, 4140<\/td><\/tr>
\u0110\u1ed3 th\u1ec3 thao<\/td>Khung xe \u0111\u1ea1p, c\u00e1n g\u1eady \u0111\u00e1nh golf, thi\u1ebft b\u1ecb t\u1eadp th\u1ec3 d\u1ee5c<\/td>4130, 4140<\/td><\/tr><\/tbody><\/table><\/figure>

Kh\u00e1m ph\u00e1 th\u00e9p h\u1ee3p kim th\u1ea5p hi\u1ec7u su\u1ea5t cao v\u1edbi SteelPro Group<\/span><\/h2>

SteelPro Group cung c\u1ea5p nhi\u1ec1u lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p bao g\u1ed3m 4130, 4140, 4340 v\u00e0 8620, c\u00f3 s\u1eb5n \u1edf d\u1ea1ng t\u1ea5m, thanh v\u00e0 \u1ed1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 v\u00e0 s\u1ea3n ph\u1ea9m t\u00f9y ch\u1ec9nh theo nhu c\u1ea7u ri\u00eang c\u1ee7a b\u1ea1n, t\u1eeb c\u1eaft v\u00e0 ch\u1ebf t\u1ea1o ch\u00ednh x\u00e1c \u0111\u1ebfn th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc chuy\u00ean bi\u1ec7t.<\/span><\/p>

Chuy\u00ean m\u00f4n k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i cho ph\u00e9p ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 c\u00e1c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u1edbi d\u1eef li\u1ec7u hi\u1ec7u su\u1ea5t chi ti\u1ebft v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i t\u1ea1i SteelPro Group \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 nhu c\u1ea7u c\u1ee7a b\u1ea1n. Nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 b\u1ea1n v\u00e0 \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/span><\/p>

 <\/p>

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

Kh\u00e1m ph\u00e1 th\u00e9p h\u1ee3p kim th\u1ea5p c\u00f9ng SteelPro Group: Kh\u00e1m ph\u00e1 c\u00e1c \u0111\u1eb7c t\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea5p th\u00e9p 4130, 4140, 4340 v\u00e0 8620 trong blog m\u1edbi nh\u1ea5t c\u1ee7a ch\u00fang t\u00f4i.<\/p>","protected":false},"author":1,"featured_media":21405,"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-21404","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\/21404","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=21404"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21404\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21405"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}