{"id":10660,"date":"2024-09-14T02:13:00","date_gmt":"2024-09-13T18:13:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10660"},"modified":"2025-02-18T10:25:47","modified_gmt":"2025-02-18T02:25:47","slug":"alloy-steel-vs-stainless-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/comparison\/alloy-steel-vs-stainless-steel\/","title":{"rendered":"Th\u00e9p h\u1ee3p kim so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9: So s\u00e1nh to\u00e0n di\u1ec7n"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u00e9p h\u1ee3p kim l\u00e0 g\u00ec<\/h2><p>Th\u00e9p h\u1ee3p kim l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p c\u00f3 ch\u1ee9a <strong>\u00edt nh\u1ea5t m\u1ed9t nguy\u00ean t\u1ed1 h\u1ee3p kim ngo\u00e0i cacbon<\/strong>. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh th\u00e9p h\u1ee3p kim th\u1ea5p v\u00e0 th\u00e9p h\u1ee3p kim cao d\u1ef1a tr\u00ean l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 h\u1ee3p kim. V\u00ed d\u1ee5, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p h\u1ee3p kim cao \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n do h\u00e0m l\u01b0\u1ee3ng crom cao.&nbsp;<\/p><p>Vi\u1ec7c b\u1ed5 sung c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u1ee5 th\u1ec3 th\u01b0\u1eddng t\u1ea1o ra c\u00e1c \u0111\u1eb7c t\u00ednh m\u1edbi ho\u1eb7c c\u1ea3i thi\u1ec7n m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh. T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim \u0111\u1ec1u ch\u1ee9a s\u1eaft v\u00e0 cacbon, v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ph\u1ed5 bi\u1ebfn kh\u00e1c nh\u01b0 crom, molypden, vanadi v\u00e0 titan, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/p><h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim<\/h3><p>Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p h\u1ee3p kim ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo h\u00e0m l\u01b0\u1ee3ng h\u1ee3p kim v\u00e0 \u1ee9ng d\u1ee5ng:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ki\u1ec3u<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim th\u1ea5p<\/td><td>Ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim 1-5%, c\u00e2n b\u1eb1ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c k\u1ebft c\u1ea5u.<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim trung b\u00ecnh<\/td><td>Ch\u1ee9a 5-10% h\u1ee3p kim, c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u00f4 t\u00f4.<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim cao<\/td><td>Ch\u1ee9a &gt;10% nguy\u00ean t\u1ed1 nh\u01b0 crom ho\u1eb7c niken, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ecbu nhi\u1ec7t tuy\u1ec7t v\u1eddi.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/structural-steel\/\">K\u1ebft c\u1ea5u th\u00e9p<\/a><\/td><td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea7u, t\u00f2a nh\u00e0 v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/\">Th\u00e9p c\u00f4ng c\u1ee5<\/a><\/td><td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eaft, khoan, t\u1ea1o h\u00ecnh, c\u00f3 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/\">Th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/td><td>Ch\u1ee9a &gt;10,5% crom, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u00f3a ch\u1ea5t, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 x\u00e2y d\u1ef1ng.<\/td><\/tr><tr><td>Th\u00e9p ch\u1ecbu nhi\u1ec7t<\/td><td>Gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u00f2 nung, tua bin v\u00e0 nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ph\u1ed5 bi\u1ebfn v\u00e0 t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang<\/h3><p>C\u00f3 nhi\u1ec1u nguy\u00ean t\u1ed1 h\u1ee3p kim c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p. M\u1ed7i nguy\u00ean t\u1ed1 c\u00f3 t\u00ednh ch\u1ea5t ri\u00eang bi\u1ec7t. Sau \u0111\u00e2y l\u00e0 n\u0103m nguy\u00ean t\u1ed1 h\u1ee3p kim \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p><p><strong>Crom (Cr):<\/strong><\/p><ul class=\"wp-block-list\"><li>\u1ede n\u1ed3ng \u0111\u1ed9 th\u1ea5p (kho\u1ea3ng 0,5% \u0111\u1ebfn 2%), crom c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p.<\/li>\n\n<li>\u1ede n\u1ed3ng \u0111\u1ed9 cao (kho\u1ea3ng 12% tr\u1edf l\u00ean), crom l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p, \u0111\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong th\u00e9p kh\u00f4ng g\u1ec9.<\/li><\/ul><p><strong>Mangan (Mn):<\/strong><\/p><ul class=\"wp-block-list\"><li>Mangan gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a th\u00e9p, gi\u1ea3m \u0111\u1ed9 gi\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh v\u00e0 ph\u1ed1t pho th\u1ea5p.<\/li>\n\n<li>N\u00f3 c\u0169ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t kh\u1eed oxy v\u00e0 kh\u1eed l\u01b0u hu\u1ef3nh, l\u00e0m gi\u1ea3m t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i.<\/li><\/ul><p><strong>Vonfram (W):<\/strong><\/p><ul class=\"wp-block-list\"><li>Vonfram l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 cao, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t.<\/li>\n\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 t\u1ed1c \u0111\u1ed9 cao, gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng \u0111\u1ecf (kh\u1ea3 n\u0103ng duy tr\u00ec \u0111\u1ed9 c\u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao).<\/li><\/ul><p><strong>Niken (Ni):<\/strong><\/p><ul class=\"wp-block-list\"><li>Niken l\u00e0m t\u0103ng \u0111\u1ed9 d\u1ebbo dai v\u00e0 s\u1ee9c b\u1ec1n c\u1ee7a th\u00e9p, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/li>\n\n<li>Khi h\u00e0m l\u01b0\u1ee3ng niken tr\u00ean 8%, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p (nh\u01b0 trong th\u00e9p kh\u00f4ng g\u1ec9 austenit) s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/li><\/ul><p><strong>Vanadi (V):<\/strong><\/p><ul class=\"wp-block-list\"><li>Vanadi t\u1ea1o th\u00e0nh cacbua gi\u00fap tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t, t\u0103ng \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a th\u00e9p.<\/li>\n\n<li>Khi s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi crom, n\u00f3 s\u1ebd t\u0103ng c\u01b0\u1eddng th\u00eam c\u00e1c t\u00ednh ch\u1ea5t chung c\u1ee7a th\u00e9p, bao g\u1ed3m \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 g\u00ec<\/h2><p><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/guide\/\">th\u00e9p SS<\/a> l\u00e0 <strong>h\u1ee3p kim s\u1eaft c\u00f3 \u00edt nh\u1ea5t 10,5% crom<\/strong>, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao b\u1eb1ng c\u00e1ch t\u1ea1o l\u1edbp oxit crom b\u1ea3o v\u1ec7 tr\u00ean b\u1ec1 m\u1eb7t. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo c\u1ea5u tr\u00fac tinh th\u1ec3 th\u00e0nh c\u00e1c lo\u1ea1i nh\u01b0 austenit, ferritic, martensitic, duplex v\u00e0 k\u1ebft t\u1ee7a-l\u00e0m c\u1ee9ng.&nbsp;<\/p><p>C\u00e1c nguy\u00ean t\u1ed1 b\u1ed5 sung nh\u01b0 niken, molypden v\u00e0 nit\u01a1 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a n\u00f3. Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, d\u1ee5ng c\u1ee5 y t\u1ebf, x\u00e2y d\u1ef1ng v\u00e0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t do \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3.<\/p><h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh n\u0103m nh\u00f3m theo c\u1ea5u tr\u00fac tinh th\u1ec3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/\">Austenit<\/a><\/td><td>Ch\u1ee9a 17-25% crom v\u00e0 8-20% niken. Kh\u00f4ng t\u1eeb t\u00ednh, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n tuy\u1ec7t v\u1eddi. Ph\u1ed5 bi\u1ebfn trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn: <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">304<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-316\/\">316<\/a>.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/ferritic\/\">Ferritic<\/a><\/td><td>Ch\u1ee9a 11-27% crom, \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 niken. T\u1eeb t\u00ednh, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n austenit nh\u01b0ng c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t h\u01a1n. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4, thi\u1ebft b\u1ecb v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn: 430, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-409\/\">409<\/a>.<\/td><\/tr><tr><td><a href=\"http:\/\/steelprogroup.com\/vi\/stainless-steel\/types\/martensite\/\">Martensit<\/a><\/td><td>Ch\u1ee9a 14-18% crom v\u00e0 0,2-2% carbon. T\u1eeb t\u00ednh, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i nh\u01b0ng \u0111\u1ed9 d\u1ebbo gi\u1ea3m. Ph\u1ed5 bi\u1ebfn trong dao, d\u1ee5ng c\u1ee5 v\u00e0 c\u00e1nh tua bin. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn: <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-410\/\">410<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-416\/\">416<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-420\/\">420<\/a>.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/duplex\/\">C\u0103n h\u1ed9 song l\u1eadp<\/a><\/td><td>C\u1ea5u tr\u00fac austenit v\u00e0 ferritic c\u00e2n b\u1eb1ng, v\u1edbi crom 18-28% v\u00e0 niken 3,5-5,5%. M\u1ea1nh m\u1ebd, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u00e0 \u0103n m\u00f2n \u1ee9ng su\u1ea5t clorua cao. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t. C\u00e1c lo\u1ea1i th\u00f4ng d\u1ee5ng: 2205, 2507.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/precipitation-hardening\/\">K\u1ebft t\u1ee7a-L\u00e0m c\u1ee9ng<\/a><\/td><td>Ch\u1ee9a 12-16% crom, 3-8% niken, v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 \u0111\u1ed3ng v\u00e0 nh\u00f4m. M\u1ea1nh, d\u1ec5 u\u1ed1n v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t. Ph\u1ed5 bi\u1ebfn trong c\u00e1c th\u00e0nh ph\u1ea7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 c\u00f4ng nghi\u1ec7p. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn: 17-4PH, 15-5PH.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Crom v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h3><p><strong>C\u01a1 ch\u1ebf ch\u1ed1ng \u0103n m\u00f2n: <\/strong>Crom r\u1ea5t c\u1ea7n thi\u1ebft cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 b\u1eb1ng c\u00e1ch t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp oxit m\u1ecfng, \u1ed5n \u0111\u1ecbnh (crom oxit) tr\u00ean b\u1ec1 m\u1eb7t. L\u1edbp th\u1ee5 \u0111\u1ed9ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t r\u00e0o c\u1ea3n, b\u1ea3o v\u1ec7 kim lo\u1ea1i b\u00ean d\u01b0\u1edbi kh\u1ecfi oxy v\u00e0 \u0111\u1ed9 \u1ea9m, do \u0111\u00f3 ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t v\u00e0 oxy h\u00f3a.&nbsp;<\/p><p>C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim ch\u1ed1ng \u0103n m\u00f2n kh\u00e1c bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>Niken (Ni)<\/li>\n\n<li>Molip\u0111en (Mo)<\/li>\n\n<li>Nit\u01a1 (N)<\/li>\n\n<li>\u0110\u1ed3ng (C)&nbsp;<\/li>\n\n<li>Titan (Ti)<\/li><\/ul><p><\/p><p>Crom r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 v\u00ec nh\u1eefng l\u00fd do sau:<\/p><ol class=\"wp-block-list\"><li>N\u00f3 gi\u00fap th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng g\u1ec9 v\u00e0 \u0103n m\u00f2n, b\u1ec1n h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt.<\/li>\n\n<li>N\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n cho th\u00e9p kh\u00f4ng g\u1ec9, gi\u00fap th\u00e9p b\u1ec1n h\u01a1n v\u00e0 \u00edt b\u1ecb m\u00e0i m\u00f2n theo th\u1eddi gian.<\/li>\n\n<li>N\u00f3 gi\u00fap th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, h\u1eefu \u00edch trong c\u00e1c thi\u1ebft b\u1ecb n\u1ea5u \u0103n v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/li>\n\n<li>N\u00f3 gi\u00fap th\u00e9p kh\u00f4ng g\u1ec9 lu\u00f4n s\u1ea1ch s\u1ebd v\u00e0 v\u1ec7 sinh, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong ng\u00e0nh y t\u1ebf v\u00e0 th\u1ef1c ph\u1ea9m.<\/li>\n\n<li>N\u00f3 mang l\u1ea1i cho th\u00e9p kh\u00f4ng g\u1ec9 v\u1ebb s\u00e1ng b\u00f3ng \u0111\u1ed9c \u0111\u00e1o, h\u1ea5p d\u1eabn cho nhi\u1ec1u m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/li><\/ol><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh ch\u1ea5t gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<br>S\u1ee9c m\u1ea1nh<\/h2><p>H\u00e3y so s\u00e1nh c\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh c\u1ee7a th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><td><strong>Th\u00e9p h\u1ee3p kim<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>\u1ee8ng su\u1ea5t t\u1ed1i \u0111a m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb g\u00e3y; thay \u0111\u1ed5i t\u00f9y theo th\u00e0nh ph\u1ea7n v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/td><td>Cao; c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim v\u00e0 x\u1eed l\u00fd nhi\u1ec7t, nh\u01b0ng thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u<\/td><td>Cao; n\u00f3i chung l\u00e0 th\u1ea5p h\u01a1n, nh\u01b0ng m\u1ed9t s\u1ed1 lo\u1ea1i (v\u00ed d\u1ee5, martensitic) c\u00f3 th\u1ec3 m\u1ea1nh<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>\u1ee8ng su\u1ea5t t\u1ea1i \u0111\u00f3 v\u1eadt li\u1ec7u b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo; ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a x\u1eed l\u00fd nhi\u1ec7t<\/td><td>Cao; c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t<\/td><td>Trung b\u00ecnh; thay \u0111\u1ed5i t\u00f9y theo c\u1ea5p \u0111\u1ed9 v\u00e0 c\u00e1ch x\u1eed l\u00fd, bi\u1ebfn d\u1ea1ng d\u1ebbo nhi\u1ec1u h\u01a1n d\u01b0\u1edbi \u1ee9ng su\u1ea5t<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng ho\u1eb7c l\u00f5m; b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi h\u1ee3p kim v\u00e0 x\u1eed l\u00fd<\/td><td>Cao; \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim v\u00e0 x\u1eed l\u00fd nhi\u1ec7t<\/td><td>Trung b\u00ecnh; c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb nh\u1ea5t \u0111\u1ecbnh<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n<\/td><td>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t v\u1ee1; ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n<\/td><td>T\u1ed1t; thay \u0111\u1ed5i t\u00f9y theo h\u1ee3p kim v\u00e0 c\u00e1ch x\u1eed l\u00fd<\/td><td>T\u1eeb trung b\u00ecnh \u0111\u1ebfn cao; c\u00e1c c\u1ea5p \u0111\u1ed9 austenit v\u1eabn duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1ebbo<\/td><td>Kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t k\u00e9o m\u00e0 kh\u00f4ng b\u1ecb g\u00e3y<\/td><td>V\u1eeba ph\u1ea3i<\/td><td>Cao<\/td><\/tr><tr><td>Ch\u1ed1ng \u0103n m\u00f2n<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 suy tho\u00e1i h\u00f3a h\u1ecdc; ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim<\/td><td>Th\u1ea5p \u0111\u1ebfn trung b\u00ecnh; c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch b\u1ed5 sung crom<\/td><td>Tuy\u1ec7t v\u1eddi; h\u00e0m l\u01b0\u1ee3ng crom cao mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u01b0\u1ee3t tr\u1ed9i<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td><td>Kh\u1ea3 n\u0103ng gi\u1eef l\u1ea1i c\u00e1c \u0111\u1eb7c t\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 cao; b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u00e0nh ph\u1ea7n h\u1ee3p kim<\/td><td>T\u1ed1t; thay \u0111\u1ed5i theo c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim<\/td><td>Xu\u1ea5t s\u1eafc<\/td><\/tr><tr><td>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/td><td>Ph\u1ea3n \u1ee9ng v\u1edbi t\u1eeb tr\u01b0\u1eddng; ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac vi m\u00f4<\/td><td>N\u00f3i chung l\u00e0 t\u1eeb t\u00ednh<\/td><td>Thay \u0111\u1ed5i; c\u00e1c lo\u1ea1i austenit kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh, c\u00e1c lo\u1ea1i kh\u00e1c c\u00f3 t\u1eeb t\u00ednh<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p>Ch\u00fang ta h\u00e3y th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 v\u1ec1 m\u1eb7t gia c\u00f4ng.<\/p><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><p><strong><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/welding\/\">H\u00e0n th\u00e9p kh\u00f4ng g\u1ec9<\/a> l\u00e0 th\u00e1ch th\u1ee9c h\u01a1n<\/strong>, \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd h\u01a1n v\u00e0 x\u1eed l\u00fd sau h\u00e0n, trong khi h\u00e0n th\u00e9p h\u1ee3p kim t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 h\u01a1n.&nbsp;<\/p><p>H\u00e3y xem b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00f3 s\u1ef1 so s\u00e1nh nhanh gi\u1eefa hai lo\u1ea1i:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Di\u1ec7n m\u1ea1o<\/strong><\/td><td><strong>Th\u00e9p h\u1ee3p kim<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 kh\u00f3 h\u00e0n<\/td><td>D\u1ec5 h\u00e0n h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ee3p kim \u00edt carbon<\/td><td>Th\u00e1ch th\u1ee9c h\u01a1n, d\u1ec5 b\u1ecb n\u1ee9t v\u00e0 \u0103n m\u00f2n do \u1ee9ng su\u1ea5t<\/td><\/tr><tr><td>V\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t (HAZ)<\/td><td>\u1ed4n \u0111\u1ecbnh, nh\u01b0ng c\u00f3 th\u1ec3 c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u00f3 th\u1ec3 gi\u1ea3m, nguy c\u01a1 \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t \u1edf c\u00e1c c\u1ea5p cacbon cao<\/td><\/tr><tr><td>X\u1eed l\u00fd sau khi h\u00e0n<\/td><td>C\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i l\u00e0m ngu\u1ed9i ho\u1eb7c \u1ee7<\/td><td>C\u1ea7n ph\u1ea3i v\u1ec7 sinh v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 ph\u1ee5c h\u1ed3i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>K\u1ef9 thu\u1eadt h\u00e0n<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau (MIG, TIG, h\u00e0n que)<\/td><td>TIG th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng; c\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 b\u1eb1ng kh\u00ed tr\u01a1<\/td><\/tr><tr><td>Ki\u1ec3m so\u00e1t m\u00e9o ti\u1ebfng<\/td><td>\u00cdt b\u1ecb bi\u1ebfn d\u1ea1ng h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong h\u1ee3p kim carbon<\/td><td>\u0110\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t cao h\u01a1n, d\u1ec5 b\u1ecb cong v\u00eanh h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Gia c\u00f4ng<\/h3><p>So v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, <strong>th\u00e9p h\u1ee3p kim th\u01b0\u1eddng d\u1ec5 gia c\u00f4ng h\u01a1n<\/strong>. Th\u00e9p kh\u00f4ng g\u1ec9, do \u0111\u1ed9 d\u1ebbo dai v\u00e0 c\u1ee9ng, kh\u00f3 gia c\u00f4ng h\u01a1n v\u00e0 \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t khi l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5, s\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 gia c\u00f4ng.<\/p><p>H\u00e3y xem b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00f3 s\u1ef1 so s\u00e1nh nhanh gi\u1eefa hai lo\u1ea1i:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Di\u1ec7n m\u1ea1o<\/strong><\/td><td><strong>Th\u00e9p h\u1ee3p kim<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>\u0110\u1ed9 c\u1ee9ng t\u1eeb trung b\u00ecnh \u0111\u1ebfn cao; kh\u1ea3 n\u0103ng gia c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n h\u1ee3p kim.<\/td><td>\u0110\u1ed9 c\u1ee9ng cao h\u01a1n; \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenit, kh\u00f3 gia c\u00f4ng.<\/td><\/tr><tr><td>L\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5<\/td><td>D\u1ee5ng c\u1ee5 b\u1eb1ng cacbua ho\u1eb7c th\u00e9p t\u1ed1c \u0111\u1ed9 cao c\u00f3 hi\u1ec7u qu\u1ea3; d\u1ee5ng c\u1ee5 b\u1ecb m\u00f2n ch\u1eadm h\u01a1n.<\/td><td>C\u1ea7n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 c\u1ee9ng h\u01a1n nh\u01b0 cacbua c\u00f3 l\u1edbp ph\u1ee7 (v\u00ed d\u1ee5: TiAlN) \u0111\u1ec3 ch\u1ed1ng m\u00e0i m\u00f2n.<\/td><\/tr><tr><td>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u00e0m m\u00e1t<\/td><td>C\u1ea7n \u00edt ch\u1ea5t l\u00e0m m\u00e1t h\u01a1n, nh\u01b0ng c\u1ea7n nhi\u1ec1u ch\u1ea5t l\u00e0m m\u00e1t h\u01a1n \u0111\u1ed1i v\u1edbi h\u1ee3p kim c\u1ee9ng h\u01a1n.<\/td><td>C\u1ea7n nhi\u1ec1u ch\u1ea5t l\u00e0m m\u00e1t h\u01a1n do t\u1ecfa nhi\u1ec7t nhi\u1ec1u v\u00e0 l\u00e0m d\u1ee5ng c\u1ee5 b\u1ecb m\u00e0i m\u00f2n.<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 c\u1eaft &amp; T\u1ed1c \u0111\u1ed9 n\u1ea1p li\u1ec7u<\/td><td>T\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ef7 l\u1ec7 c\u1ea5p li\u1ec7u cao h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n.<\/td><td>T\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ef7 l\u1ec7 c\u1ea5p li\u1ec7u th\u1ea5p h\u01a1n \u0111\u1ec3 ng\u0103n ng\u1eeba m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5 v\u00e0 bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u.<\/td><\/tr><tr><td>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/td><td>Nh\u00ecn chung b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n t\u1ed1t.<\/td><td>\u0110\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai.<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p><strong>Th\u00e9p h\u1ee3p kim ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng, trong khi th\u00e9p kh\u00f4ng g\u1ec9 (\u0111\u1eb7c bi\u1ec7t l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenit) ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i.<\/strong> M\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 martensitic, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00f4i.<\/p><p>H\u00e3y xem b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00f3 s\u1ef1 so s\u00e1nh nhanh gi\u1eefa hai lo\u1ea1i:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Th\u00e9p h\u1ee3p kim<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>C\u01a1 ch\u1ebf l\u00e0m c\u1ee9ng<\/td><td>L\u00e0m ngu\u1ed9i v\u00e0 t\u00f4i luy\u1ec7n. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng, t\u1ea1o ra martensit \u0111\u1ec3 t\u0103ng \u0111\u1ed9 c\u1ee9ng.<\/td><td>C\u1ea5p \u0111\u1ed9 martensitic: l\u00e0m ngu\u1ed9i \u0111\u1ec3 l\u00e0m c\u1ee9ng. C\u1ea5p \u0111\u1ed9 austenitic: l\u00e0m vi\u1ec7c ngu\u1ed9i (kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng x\u1eed l\u00fd nhi\u1ec7t). C\u1ea5p \u0111\u1ed9 l\u00e0m c\u1ee9ng b\u1eb1ng k\u1ebft t\u1ee7a: b\u1eb1ng c\u00e1ch \u1ee7.<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng<\/td><td>\u0110\u1ed9 c\u1ee9ng cao nh\u1edd c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim, c\u00f3 hi\u1ec7u qu\u1ea3 ngay c\u1ea3 v\u1edbi c\u00e1c ph\u1ea7n d\u00e0y.<\/td><td>Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng h\u1ea1n ch\u1ebf. Th\u00e9p martensitic c\u1ee9ng l\u1ea1i th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i, trong khi th\u00e9p austenitic kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t.<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 dai<\/td><td>C\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng cao v\u1edbi m\u1ed9t s\u1ed1 \u0111\u1ed9 d\u1ebbo dai sau khi t\u00f4i v\u00e0 ram.<\/td><td>C\u00e1c lo\u1ea1i Austenitic c\u00f3 \u0111\u1ed9 c\u1ee9ng th\u1ea5p h\u01a1n tr\u1eeb khi \u0111\u01b0\u1ee3c gia c\u00f4ng ngu\u1ed9i. C\u00e1c lo\u1ea1i Martensitic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng \u1edf m\u1ee9c \u0111\u1ed9 cao nh\u01b0ng c\u00f3 th\u1ec3 m\u1ea5t \u0111\u1ed9 d\u1ebbo dai.<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u1ee9ng d\u1ee5ng gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p>Th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 ch\u1eafc v\u00e0 \u0111\u1ed9 d\u1ebbo dai, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 x\u00e2y d\u1ef1ng, \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t b\u00e1nh r\u0103ng, \u1ed1ng v\u00e0 d\u1ee5ng c\u1ee5, n\u01a1i \u0111\u1ed9 b\u1ec1n l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u, nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u00edt quan tr\u1ecdng h\u01a1n.<\/p><p>Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, l\u00fd t\u01b0\u1edfng cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 m\u00e1y m\u00f3c ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean.<\/p><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 gi\u00e1 c\u1ea3 v\u00e0 chi ph\u00ed gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u0111\u1eaft h\u01a1n th\u00e9p h\u1ee3p kim do t\u1ef7 l\u1ec7 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim cao h\u01a1n (v\u00ed d\u1ee5 nh\u01b0 crom, niken), quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ph\u1ee9c t\u1ea1p v\u00e0 nghi\u00eam ng\u1eb7t h\u01a1n, c\u00f9ng c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c. \u0110\u1ec3 tham kh\u1ea3o s\u01a1 b\u1ed9, th\u00e9p h\u1ee3p kim th\u01b0\u1eddng c\u00f3 gi\u00e1 t\u1eeb $600 \u0111\u1ebfn $2.500, trong khi th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 gi\u00e1 t\u1eeb $1.800 \u0111\u1ebfn $4.500.<\/p><h2 class=\"wp-block-heading\">So s\u00e1nh b\u1ea3o tr\u00ec v\u00e0 ch\u0103m s\u00f3c th\u00e9p h\u1ee3p kim v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p>H\u00e3y xem th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o v\u1ec1 m\u1eb7t b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ch\u0103m s\u00f3c.<br><\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Di\u1ec7n m\u1ea1o<\/strong><\/td><td><strong>Th\u00e9p h\u1ee3p kim<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td><\/tr><tr><td>Ch\u1ed1ng \u0103n m\u00f2n<\/td><td>Thay \u0111\u1ed5i t\u00f9y theo h\u1ee3p kim, th\u01b0\u1eddng kh\u00f4ng t\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9; c\u1ea7n c\u00f3 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 ho\u1eb7c tra d\u1ea7u th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ch\u1ed1ng g\u1ec9, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao nh\u1edd crom; t\u1ea1o th\u00e0nh l\u1edbp th\u1ee5 \u0111\u1ed9ng ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t, ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt.<\/td><\/tr><tr><td>V\u1ec7 sinh<\/td><td>C\u1ea7n \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c nhi\u1ec1u h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t; sau khi v\u1ec7 sinh, c\u00f3 th\u1ec3 c\u1ea7n d\u00f9ng d\u1ea7u b\u1ea3o v\u1ec7 ho\u1eb7c ch\u1ea5t ch\u1ed1ng g\u1ec9.<\/td><td>D\u1ec5 d\u00e0ng v\u1ec7 sinh b\u1eb1ng x\u00e0 ph\u00f2ng v\u00e0 n\u01b0\u1edbc ho\u1eb7c ch\u1ea5t t\u1ea9y r\u1eeda chuy\u00ean d\u1ee5ng; v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/td><\/tr><tr><td>Kho<\/td><td>N\u00ean b\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c x\u1eed l\u00fd ch\u1ed1ng g\u1ec9; tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t \u0103n m\u00f2n ho\u1eb7c kim lo\u1ea1i.<\/td><td>C\u00f3 th\u1ec3 l\u01b0u tr\u1eef trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t h\u01a1n; vi\u1ec7c v\u1ec7 sinh v\u00e0 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111\u1ee7 \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t.<\/td><\/tr><tr><td>Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td><td>C\u1ea7n ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n; c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i ph\u1ee7 l\u1ea1i l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/td><td>B\u1ea3o tr\u00ec \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ef1 nhi\u00ean; ch\u1ec9 c\u1ea7n v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 v\u00e0 ki\u1ec3m tra b\u1ec1 m\u1eb7t l\u00e0 \u0111\u1ee7.<\/td><\/tr><tr><td>M\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p<\/td><td>T\u1ed1t nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao; c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 th\u00eam trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u0103n m\u00f2n.<\/td><td>Th\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, \u0103n m\u00f2n nh\u01b0 ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m ho\u1eb7c h\u00e0ng h\u1ea3i; y\u00eau c\u1ea7u b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u.<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">So s\u00e1nh t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/h2><p>Th\u00e9p h\u1ee3p kim y\u00eau c\u1ea7u <strong>\u00edt n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t<\/strong> h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9, khi\u1ebfn n\u00f3 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n v\u1ec1 m\u1eb7t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng. Tuy nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 b\u1ec1n h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n h\u01a1n, ngh\u0129a l\u00e0 n\u00f3 b\u1ec1n h\u01a1n v\u00e0 c\u1ea7n <strong>thay th\u1ebf \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n<\/strong>\u0110\u1ed9 b\u1ec1n n\u00e0y l\u00e0m gi\u1ea3m ch\u1ea5t th\u1ea3i v\u00e0 nhu c\u1ea7u s\u1eed d\u1ee5ng th\u00eam t\u00e0i nguy\u00ean.&nbsp;<\/p><p><strong>C\u1ea3 hai v\u1eadt li\u1ec7u \u0111\u1ec1u c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf<\/strong>nh\u01b0ng th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 t\u1ef7 l\u1ec7 t\u00e1i ch\u1ebf cao h\u01a1n, gi\u00fap gi\u1ea3m thi\u1ec3u h\u01a1n n\u1eefa d\u1ea5u ch\u00e2n m\u00f4i tr\u01b0\u1eddng c\u1ee7a n\u00f3.&nbsp;<\/p><p>Nh\u00ecn chung, th\u00e9p h\u1ee3p kim \u00edt t\u1ed1n n\u0103ng l\u01b0\u1ee3ng h\u01a1n, trong khi \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 khi\u1ebfn n\u00f3 b\u1ec1n v\u1eefng h\u01a1n v\u1ec1 l\u00e2u d\u00e0i.<\/p><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p h\u1ee3p kim so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9<\/h2><ol class=\"wp-block-list\"><li>\u0110\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n, mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n khi ch\u1ecbu \u00e1p l\u1ef1c.<\/li>\n\n<li>Linh ho\u1ea1t h\u01a1n v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t.<\/li>\n\n<li>Th\u01b0\u1eddng c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c d\u1ef1 \u00e1n l\u1edbn.<\/li>\n\n<li>Ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng v\u00ec c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n.<\/li>\n\n<li>C\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n.<\/li><\/ol><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 so v\u1edbi th\u00e9p h\u1ee3p kim<\/h2><ol class=\"wp-block-list\"><li>C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<\/li>\n\n<li>Tu\u1ed5i th\u1ecd cao h\u01a1n do \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9.<\/li>\n\n<li>\u00cdt ph\u1ea3i b\u1ea3o tr\u00ec v\u00e0 ch\u0103m s\u00f3c h\u01a1n theo th\u1eddi gian.<\/li>\n\n<li>D\u1ec5 v\u1ec7 sinh h\u01a1n, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng v\u1ec7 sinh.<\/li>\n\n<li>Ngo\u1ea1i h\u00ecnh \u0111\u1eb9p h\u01a1n, b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng v\u00e0 s\u00e1ng b\u00f3ng h\u01a1n.<\/li><\/ol><h2 class=\"wp-block-heading\">Nh\u1eefng g\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 quan t\u00e2m<\/h2><h3 class=\"wp-block-heading\">Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n cho \u0111\u1ed3 trang s\u1ee9c, th\u00e9p h\u1ee3p kim hay th\u00e9p kh\u00f4ng g\u1ec9?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t h\u01a1n cho \u0111\u1ed3 trang s\u1ee9c v\u00ec n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, x\u1ec9n m\u00e0u t\u1ed1t h\u01a1n v\u00e0 kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<br><\/strong><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/tarnish\/\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 b\u1ecb x\u1ec9n m\u00e0u hay phai m\u00e0u kh\u00f4ng?<\/a><\/p><h3 class=\"wp-block-heading\">Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n cho dao, th\u00e9p h\u1ee3p kim hay th\u00e9p kh\u00f4ng g\u1ec9?<\/h3><p>S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a dao. Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t h\u01a1n cho dao v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, trong khi th\u00e9p h\u1ee3p kim c\u00f3 th\u1ec3 gi\u1eef l\u01b0\u1ee1i dao t\u1ed1t h\u01a1n v\u00e0 b\u1ec1n h\u01a1n.&nbsp;<\/p><h3 class=\"wp-block-heading\">H\u1ee3p kim nh\u00f4m hay th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t h\u01a1n?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 b\u1ec1n h\u01a1n v\u00e0 ch\u1eafc h\u01a1n, trong khi h\u1ee3p kim nh\u00f4m nh\u1eb9 h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 th\u00e9p nguy\u00ean ch\u1ea5t hay h\u1ee3p kim?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t h\u1ee3p kim v\u00e0 c\u0169ng l\u00e0 th\u00e9p h\u1ee3p kim, l\u00e0 m\u1ed9t lo\u1ea1i h\u1ee3p kim c\u1ee5 th\u1ec3.<\/p><h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft &amp; Th\u00eam n\u1eefa<\/h2><p>B\u00e0i vi\u1ebft n\u00e0y ch\u1ee7 y\u1ebfu th\u1ea3o lu\u1eadn v\u1ec1 nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 v\u1ec1 m\u1eb7t t\u00ednh ch\u1ea5t, ch\u1ebf bi\u1ebfn, \u1ee9ng d\u1ee5ng, chi ph\u00ed v\u00e0 m\u1ed9t s\u1ed1 kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c, h\u00e3y xem <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">blog c\u1ee7a ch\u00fang t\u00f4i<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi c\u00e1c chuy\u00ean gia kim lo\u1ea1i c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p><p>L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u v\u1ec1 th\u00e9p chuy\u00ean d\u1ee5ng, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u1ee9ng d\u1ee5ng \u0111a ng\u00e0nh v\u00e0 d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh v\u1edbi cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng 100%, cam k\u1ebft ph\u00e1t tri\u1ec3n c\u00f9ng kh\u00e1ch h\u00e0ng. Gh\u00e9 th\u0103m <a href=\"https:\/\/steelprogroup.com\/vi\">trang web c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam, ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">g\u1eedi cho ch\u00fang t\u00f4i m\u1ed9t b\u00e1o gi\u00e1<\/a>v\u00e0 ch\u00fang t\u00f4i s\u1ebd li\u00ean h\u1ec7 v\u1edbi b\u1ea1n s\u1edbm!<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is Alloy Steel Alloy steel is a type of steel that contains at least one alloying element besides carbon. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":10659,"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":[4195,112],"tags":[],"class_list":["post-10660","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparison","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10660","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=10660"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10660\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/10659"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=10660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=10660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=10660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}