{"id":7858,"date":"2024-08-08T03:52:00","date_gmt":"2024-08-07T19:52:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=7858"},"modified":"2025-02-18T10:25:27","modified_gmt":"2025-02-18T02:25:27","slug":"austenitic","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic: \u0110\u1ecbnh ngh\u0129a, Th\u00e0nh ph\u1ea7n, T\u00ednh ch\u1ea5t, C\u1ea5p \u0111\u1ed9, \u1ee8ng d\u1ee5ng v\u00e0 Th\u00eam n\u1eefa"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic l\u00e0 m\u1ed9t trong n\u0103m lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo c\u1ea5u tr\u00fac tinh th\u1ec3 v\u1edbi c\u1ea5u tr\u00fac tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC), ch\u1ee7 y\u1ebfu bao g\u1ed3m crom 15-32% v\u00e0 niken 8-37%, v\u1edbi s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 mangan v\u00e0 nit\u01a1. Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh tuy\u1ec7t v\u1eddi, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo cao, v\u00e0 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m 304, 316 v\u00e0 310. Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, h\u00f3a ch\u1ea5t v\u00e0 y t\u1ebf.&nbsp;<\/p><h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenit c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC). \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i s\u1eafp x\u1ebfp tinh th\u1ec3. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u1edbi m\u1ed9t nguy\u00ean t\u1eed \u1edf m\u1ed7i g\u00f3c trong t\u00e1m g\u00f3c c\u1ee7a n\u00f3 v\u00e0 m\u1ed9t nguy\u00ean t\u1eed b\u1ed5 sung \u1edf t\u00e2m c\u1ee7a m\u1ed7i m\u1eb7t. S\u1ef1 s\u1eafp x\u1ebfp n\u00e0y c\u1ef1c k\u1ef3 ch\u1eb7t ch\u1ebd, v\u1edbi c\u00e1c nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed g\u1ea7n nhau, l\u00e0m cho v\u1eadt li\u1ec7u \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 \u00edt b\u1ecb v\u1ee1 h\u01a1n khi b\u1ecb bi\u1ebfn d\u1ea1ng.&nbsp;<\/p><p>C\u1ea5u tr\u00fac n\u00e0y t\u1ea1o ra th\u00e9p kh\u00f4ng g\u1ec9 austenit:<\/p><ul class=\"wp-block-list\"><li>\u0110\u1ed9 d\u1ebbo dai, \u0111\u1ed9 dai v\u00e0 \u0111\u1ed9 dai cao<\/li>\n\n<li>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng oxy h\u00f3a m\u1ea1nh<\/li>\n\n<li>T\u00ednh ch\u1ea5t phi t\u1eeb t\u00ednh<\/li><\/ul><p><\/p><h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac Austentic trong th\u00e9p kh\u00f4ng g\u1ec9 h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 austenit \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang th\u00f4ng qua vi\u1ec7c b\u1ed5 sung c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 <strong>niken<\/strong> V\u00e0 <strong>crom<\/strong>.&nbsp;<\/p><p>TRONG <strong>s\u1eaft nguy\u00ean ch\u1ea5t<\/strong> ho\u1eb7c <strong>th\u00e9p c\u00e1c-bon th\u01b0\u1eddng<\/strong>, c\u00e1c <strong>c\u1ea5u tr\u00fac austenit (l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t) ch\u1ec9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong>\u2014kho\u1ea3ng 1340\u00b0F (727\u00b0C) ho\u1eb7c cao h\u01a1n. Tuy nhi\u00ean, khi x\u1ea5p x\u1ec9 <strong>18% crom<\/strong> V\u00e0<strong> 8% niken<\/strong> \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u00e9p, c\u1ea5u tr\u00fac austenit n\u00e0y tr\u1edf th\u00e0nh <strong>\u1ed5n \u0111\u1ecbnh<\/strong> tr\u00ean kh\u1eafp <strong>to\u00e0n b\u1ed9 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong>, t\u1eeb nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng cho \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y.<\/p><p>Niken ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t <strong>ch\u1ea5t \u1ed5n \u0111\u1ecbnh austenit<\/strong>, cho ph\u00e9p m\u1ea1ng l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t t\u1ed3n t\u1ea1i ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n. Crom kh\u00f4ng ch\u1ec9 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n v\u00e0o <strong>s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a pha austenit<\/strong>S\u1ef1 k\u1ebft h\u1ee3p c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y gi\u00fap duy tr\u00ec c\u1ea5u tr\u00fac austenit, mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch nh\u01b0 \u0111\u1ed9 d\u1ebbo \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic ch\u1ee7 y\u1ebfu bao g\u1ed3m crom, niken v\u00e0 cacbon, c\u00f9ng v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c gi\u00fap t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3.&nbsp;<\/p><ul class=\"wp-block-list\"><li><strong>Crom <\/strong>(T\u00edn d\u1ee5ng)<strong> (15-32%)<\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng c\u00e1ch h\u00ecnh th\u00e0nh l\u1edbp oxit crom th\u1ee5 \u0111\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 ph\u1ee5c h\u1ed3i khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed ho\u1eb7c \u0111\u1ed9 \u1ea9m.&nbsp;<\/li>\n\n<li><strong>Niken <\/strong>(Nhi)<strong> (8-37%)<\/strong> \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac austenit, c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai, \u0111\u1ed9 dai, kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.&nbsp;<\/li>\n\n<li><strong>Cacbon <\/strong>(C)<strong> <\/strong>th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1eef \u1edf m\u1ee9c r\u1ea5t th\u1ea5p<strong> d\u01b0\u1edbi 0,08%,<\/strong> \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf c\u00e1c lo\u1ea1i th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p nh\u01b0 304L v\u00e0 316L (d\u01b0\u1edbi 0,03%), \u0111\u1ec3 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng k\u1ebft t\u1ee7a cacbua trong qu\u00e1 tr\u00ecnh h\u00e0n, do \u0111\u00f3 gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t.<\/li><\/ul><p><\/p><p>Ngo\u00e0i ra,<\/p><ul class=\"wp-block-list\"><li><strong>mangan <\/strong>(Mn)<strong> c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n niken<\/strong> trong m\u1ed9t s\u1ed1 h\u1ee3p kim, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong chu\u1ed7i 200, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh austenit v\u00e0 t\u0103ng \u0111\u1ed9 h\u00f2a tan nit\u01a1 v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ed3ng th\u1eddi c\u0169ng gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.&nbsp;<\/li>\n\n<li><strong>Molipden<\/strong> (Th\u00e1ng)<strong> (2%-3%)<\/strong> \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u00e0 \u0103n m\u00f2n khe h\u1edf, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua nh\u01b0 n\u01b0\u1edbc bi\u1ec3n.&nbsp;<\/li>\n\n<li><strong>Nit\u01a1<\/strong> (N) t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee5c b\u1ed9<strong>,<\/strong> \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ee3p kim hi\u1ec7u su\u1ea5t cao.&nbsp;<\/li>\n\n<li><strong>\u0110\u1ed3ng <\/strong>(C) <strong>th\u1ec9nh tho\u1ea3ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o,<\/strong> \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ee3p kim chuy\u00ean d\u1ee5ng, \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng axit c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 axit sunfuric v\u00e0 axit photphoric.<\/li><\/ul><p><\/p><p>*<em>Th\u00e9p kh\u00f4ng g\u1ec9 Austenit c\u0169ng c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng nh\u01b0 <\/em><strong><em>silic <\/em><\/strong><em>(T\u1ee9c l\u00e0), <\/em><strong><em>ph\u1ed1t pho <\/em><\/strong><em>(P), <\/em><strong><em>l\u01b0u hu\u1ef3nh <\/em><\/strong><em>(S), <\/em><strong><em>titan <\/em><\/strong><em>(T\u00ed), <\/em><strong><em>niobi <\/em><\/strong><em>(Nb), v\u00e0 <\/em><strong><em>coban <\/em><\/strong><em>(Co), nh\u01b0ng ch\u00fang t\u00f4i kh\u00f4ng th\u1ea3o lu\u1eadn chi ti\u1ebft \u1edf \u0111\u00e2y.<\/em><\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h2><p>Sau \u0111\u00e2y l\u00e0 ba l\u00fd do ch\u00ednh khi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 austenit tr\u1edf n\u00ean \u0111\u1ed9c \u0111\u00e1o:<\/p><ol class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n<li>\u0110\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 b\u1ec1n cao, ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/li>\n\n<li>Kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh v\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch l\u00e0m ngu\u1ed9i.<\/li><\/ol><p><\/p><p>Ki\u1ec3m tra b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft c\u00e1c t\u00ednh ch\u1ea5t ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><td><strong>Hi\u1ec7u su\u1ea5t<\/strong><\/td><td><strong>Nh\u1eadn x\u00e9t<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/corrosion-resistant\/\">Ch\u1ed1ng \u0103n m\u00f2n<\/a><\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 oxy h\u00f3a.<\/td><td>Th\u00edch h\u1ee3p trong m\u00f4i tr\u01b0\u1eddng oxy h\u00f3a do c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao.<\/td><td>Molypden t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua.<\/td><\/tr><tr><td>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/td><td>Bao g\u1ed3m \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo.<\/td><td>Ch\u1eafc ch\u1eafn, dai, c\u00f3 \u0111\u1ed9 d\u1ebbo t\u1ed1t v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u1eeba ph\u1ea3i.<\/td><td>\u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao gi\u00fap ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t cao, trong khi \u0111\u1ed9 d\u1ebbo t\u1ed1t gi\u00fap ng\u0103n ng\u1eeba n\u1ee9t d\u01b0\u1edbi \u1ee9ng su\u1ea5t.<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y.<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/td><td>Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng \u0111\u00f3ng v\u1ea3y.<\/td><\/tr><tr><td>Hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/td><td>Hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh.<\/td><td>\u0110\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, ch\u1ed1ng g\u00e3y gi\u00f2n.<\/td><td>Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f4ng l\u1ea1nh khi vi\u1ec7c ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng gi\u00f2n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh<\/td><td>D\u1ec5 d\u00e0ng \u0111\u1ecbnh h\u00ecnh th\u00f4ng qua c\u00e1c qu\u00e1 tr\u00ecnh c\u01a1 h\u1ecdc.<\/td><td>Kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p cho c\u1ea3 quy tr\u00ecnh gia c\u00f4ng n\u00f3ng v\u00e0 ngu\u1ed9i.<\/td><td>T\u00ednh d\u1ebbo cao l\u00e0m cho n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/welding\/\">Kh\u1ea3 n\u0103ng h\u00e0n<\/a><\/td><td>Kh\u1ea3 n\u0103ng h\u00e0n m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n.<\/td><td>C\u00f3 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t nh\u01b0ng v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/td><td>X\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n th\u01b0\u1eddng kh\u00f4ng c\u1ea7n thi\u1ebft, do \u0111\u00f3 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh x\u00e2y d\u1ef1ng v\u00e0 \u00f4 t\u00f4.<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>D\u1ec5 d\u00e0ng c\u1eaft, \u0111\u1ecbnh h\u00ecnh ho\u1eb7c ho\u00e0n thi\u1ec7n v\u1eadt li\u1ec7u.<\/td><td>Trung b\u00ecnh; qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n v\u00e0 m\u00e0i m\u00f2n d\u1ee5ng c\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a.<\/td><td>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 s\u1eafc b\u00e9n v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng. L\u00e0m vi\u1ec7c ngu\u1ed9i c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng.<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/a><\/td><td>C\u00f3 xu h\u01b0\u1edbng th\u1ec3 hi\u1ec7n h\u00e0nh vi t\u1eeb t\u00ednh.<\/td><td>Kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh, nh\u01b0ng c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n t\u1eeb t\u00ednh nh\u1eb9 sau khi l\u00e0m ngu\u1ed9i.<\/td><td>L\u00e0m vi\u1ec7c ngu\u1ed9i c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb t\u00ednh nh\u1eb9, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng t\u1eeb t\u00ednh.<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch v\u00e0 \u01b0u \u0111i\u1ec3m sau:<\/p><ol class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/li>\n\n<li>\u0110\u1ed9 d\u1ebbo cao, d\u1ec5 t\u1ea1o h\u00ecnh v\u00e0 h\u00e0n.<\/li>\n\n<li>Duy tr\u00ec \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n<li>Ch\u1ed1ng oxy h\u00f3a, ngay c\u1ea3 trong kh\u00f4ng kh\u00ed \u1ea9m.<\/li>\n\n<li>Kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n \u1ee7.<\/li><\/ol><p><\/p><p>Ngo\u00e0i ra, n\u00f3 c\u00f2n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 b\u1ea5t l\u1ee3i \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y:<\/p><ol class=\"wp-block-list\"><li>Chi ph\u00ed cao h\u01a1n do s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim nh\u01b0 niken.<\/li>\n\n<li>D\u1ec5 b\u1ecb n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n\n<li>Kh\u00f3 gia c\u00f4ng do \u0111\u1eb7c t\u00ednh l\u00e0m c\u1ee9ng c\u1ee7a n\u00f3.<\/li>\n\n<li>\u0110\u1ed9 b\u1ec1n th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 tr\u1ea7y x\u01b0\u1edbc k\u00e9m.<\/li><\/ol><p><\/p><h2 class=\"wp-block-heading\">C\u00e1c nh\u00f3m con c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenit \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m nh\u1ecf c\u1ee7a AISI <strong>D\u00f2ng 200<\/strong> v\u00e0 AISI <strong>D\u00f2ng 300<\/strong>. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c Vi\u1ec7n S\u1eaft v\u00e0 Th\u00e9p Hoa K\u1ef3 (AISI), Hi\u1ec7p h\u1ed9i Th\u1eed nghi\u1ec7m v\u00e0 V\u1eadt li\u1ec7u Hoa K\u1ef3 (ASTM) v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1c tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u00f4ng nh\u1eadn. <strong>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/strong> l\u00e0 D\u00f2ng 200 s\u1eed d\u1ee5ng mangan v\u00e0 nit\u01a1 v\u1edbi \u00edt niken h\u01a1n, trong khi D\u00f2ng 300 s\u1eed d\u1ee5ng h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao h\u01a1n.<\/p><h3 class=\"wp-block-heading\">D\u00f2ng AISI 200<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 AISI 200 Series t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac austenit b\u1eb1ng c\u00e1ch th\u00eam mangan v\u00e0 nit\u01a1 v\u1edbi l\u01b0\u1ee3ng niken gi\u1ea3m. Mangan v\u00e0 nit\u01a1 duy tr\u00ec c\u1ea5u tr\u00fac austenit v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m 201 v\u00e0 202. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, trang tr\u00ed \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m do hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed.<\/p><h3 class=\"wp-block-heading\">D\u00f2ng AISI 300<\/h3><p><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/300-series\/\">Th\u00e9p kh\u00f4ng g\u1ec9 AISI 300 Series<\/a> t\u1ea1o th\u00e0nh c\u1ea5u tr\u00fac austenit c\u1ee7a n\u00f3 b\u1eb1ng c\u00e1ch th\u00eam h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao h\u01a1n. Crom ch\u1ed1ng \u0103n m\u00f2n, trong khi niken t\u0103ng \u0111\u1ed9 d\u1ebbo v\u00e0 \u0111\u1ed9 dai. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u01b0 304 (18\/8 ho\u1eb7c A2) v\u00e0 316 (A4) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. D\u00f2ng 300 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng, ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p><h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 Austenitic&nbsp;<\/h2><p>H\u00e3y xem x\u00e9t c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ph\u1ed5 bi\u1ebfn trong h\u1ecd th\u00e9p kh\u00f4ng g\u1ec9 austenit:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u1ea5p<\/strong><\/td><td><strong>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (UNS\/EN)<\/strong><\/td><td><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-302\/\" target=\"_blank\" data-type=\"post\" data-id=\"10950\" rel=\"noreferrer noopener\">302<\/a><\/td><td>S30200 \/ 1.4300<\/td><td>M\u1ee5c \u0111\u00edch chung 18-8<\/td><td>L\u00f2 xo, v\u00f2ng \u0111\u1ec7m, \u0111ai \u1ed1c, bu l\u00f4ng, vi\u1ec1n \u00f4 t\u00f4<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-202\/\" target=\"_blank\" data-type=\"post\" data-id=\"10958\" rel=\"noreferrer noopener\">202<\/a><\/td><td>S20200 \/ 1.4373<\/td><td>N v\u00e0 Mn thay th\u1ebf m\u1ed9t ph\u1ea7n Ni<\/td><td>\u0110\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, linh ki\u1ec7n \u00f4 t\u00f4, toa t\u00e0u, b\u1ed3n r\u1eeda<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-201\/\">201<\/a><\/td><td>S20100 \/ 1.4372<\/td><td>N v\u00e0 Mn thay th\u1ebf m\u1ed9t ph\u1ea7n Ni<\/td><td>\u0110\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, k\u1ebft c\u1ea5u thi\u1ebft b\u1ecb, toa t\u00e0u, \u1ed1ng d\u1eabn<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-305\/\" target=\"_blank\" data-type=\"post\" data-id=\"8501\" rel=\"noreferrer noopener\">305<\/a><\/td><td>S30500 \/ 1.4303<\/td><td>Ni t\u0103ng l\u00ean \u0111\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng l\u00e0m vi\u1ec7c<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn k\u00e9o s\u00e2u, linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, b\u1ed3n r\u1eeda nh\u00e0 b\u1ebfp, l\u00f2 xo<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\" target=\"_blank\" data-type=\"post\" data-id=\"8332\" rel=\"noreferrer noopener\">304<\/a><\/td><td>S30400 \/ 1.4301<\/td><td>C th\u1ea5p h\u01a1n \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n trong c\u00e1c k\u1ebft c\u1ea5u h\u00e0n<\/td><td>Th\u00f9ng ch\u1ee9a h\u00f3a ch\u1ea5t, thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp, t\u1ea5m \u1ed1p ki\u1ebfn tr\u00fac, b\u1ed3n ch\u1ee9a<\/td><\/tr><tr><td>304L<\/td><td>S30403 \/ 1.4306, 1.4307<\/td><td>C gi\u1ea3m cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n khi h\u00e0n<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, b\u1ed9 ph\u1eadn l\u1ecdc d\u1ea7u, thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t<\/td><\/tr><tr><td>304N<\/td><td>S30451 \/ 1.4315<\/td><td>N \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac, h\u1ec7 th\u1ed1ng \u1ed1ng x\u1ea3 \u00f4 t\u00f4, b\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t, thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i<\/td><\/tr><tr><td>304NL<\/td><td>S30453 \/ 1.4311<\/td><td>N \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, c\u00e1c th\u00e0nh ph\u1ea7n h\u00e0n, c\u00e1c b\u1ed9 ph\u1eadn h\u00e0ng h\u1ea3i, b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-303\/\" target=\"_blank\" data-type=\"post\" data-id=\"8822\" rel=\"noreferrer noopener\">303<\/a><\/td><td>S30300 \/ 1.4305<\/td><td>S \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 d\u1ec5 gia c\u00f4ng<\/td><td>V\u00edt, \u0111ai \u1ed1c, bu l\u00f4ng, tr\u1ee5c, van<\/td><\/tr><tr><td>303Se<\/td><td>S30323 \/ 1.4300<\/td><td>Se \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft \u0111i\u1ec7n, van, \u0111\u1ea7u n\u1ed1i<\/td><\/tr><tr><td>S30430<\/td><td>S30430 \/ 1.4567<\/td><td>\u0110\u1ed3ng \u0111\u01b0\u1ee3c b\u1ed5 sung \u0111\u1ec3 c\u1ea3i thi\u1ec7n qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i<\/td><td>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t \u00f4 t\u00f4, b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t, \u1ed1ng, \u1ee9ng d\u1ee5ng ki\u1ebfn tr\u00fac<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-316\/\" target=\"_blank\" data-type=\"post\" data-id=\"10280\" rel=\"noreferrer noopener\">316<\/a><\/td><td>S31600 \/ 1.4401<\/td><td>Mo \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><td>D\u1ee5ng c\u1ee5 y t\u1ebf, thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i, th\u00f9ng ch\u1ee9a h\u00f3a ch\u1ea5t, thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m<\/td><\/tr><tr><td>316L<\/td><td>S31603 \/ 1.4404, 1.4435<\/td><td>C gi\u1ea3m cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n khi h\u00e0n<\/td><td>Thi\u1ebft b\u1ecb d\u01b0\u1ee3c ph\u1ea9m, \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i, b\u1ed3n x\u1eed l\u00fd h\u00f3a ch\u1ea5t, b\u1ec1 m\u1eb7t ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-316n\/\" target=\"_blank\" data-type=\"post\" data-id=\"11040\" rel=\"noreferrer noopener\">316N<\/a><\/td><td>S31651 \/ 1.4429<\/td><td>N \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 b\u1ec1n cao trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t, linh ki\u1ec7n h\u00e0ng h\u1ea3i, thi\u1ebft b\u1ecb y t\u1ebf<\/td><\/tr><tr><td>316LN<\/td><td>S31653 \/ 1.4429<\/td><td>C gi\u1ea3m, N th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9<\/td><td>C\u00e1c th\u00e0nh ph\u1ea7n l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n, b\u00ecnh ch\u1ee9a l\u1ea1nh, thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t, \u0111\u01b0\u1eddng \u1ed1ng \u00e1p su\u1ea5t cao<\/td><\/tr><tr><td>316F<\/td><td>S31620 \/ 1.4436<\/td><td>S v\u00e0 P \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn b\u01a1m, th\u00e0nh ph\u1ea7n van, tr\u1ee5c, ph\u1ee5 ki\u1ec7n gia c\u00f4ng ch\u00ednh x\u00e1c<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/317-317l\/\" target=\"_blank\" data-type=\"post\" data-id=\"10948\" rel=\"noreferrer noopener\">317<\/a><\/td><td>S31700 \/ 1.4449<\/td><td>Th\u00eam Mo v\u00e0 Cr \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><td>Thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t, \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i, thi\u1ebft b\u1ecb d\u01b0\u1ee3c ph\u1ea9m, nh\u00e0 m\u00e1y l\u1ecdc d\u1ea7u h\u00f3a d\u1ea7u<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/317-317l\/\" target=\"_blank\" data-type=\"post\" data-id=\"10948\" rel=\"noreferrer noopener\">317L<\/a><\/td><td>S31703 \/ 1.4438<\/td><td>C gi\u1ea3m \u0111\u1ec3 c\u00f3 \u0111\u1eb7c t\u00ednh h\u00e0n t\u1ed1t h\u01a1n<\/td><td>Thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p gi\u1ea5y v\u00e0 b\u1ed9t gi\u1ea5y, b\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t, k\u1ebft c\u1ea5u h\u00e0ng h\u1ea3i, h\u1ec7 th\u1ed1ng kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i<\/td><\/tr><tr><td>310, 310S<\/td><td>S31000, S31008 \/ 1.4840, 1.4845<\/td><td>Nhi\u1ec1u Cr v\u00e0 Ni h\u01a1n \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n<\/td><td>L\u1edbp l\u00f3t l\u00f2, c\u00e1c b\u1ed9 ph\u1eadn l\u00f2, bu\u1ed3ng \u0111\u1ed1t, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-309\/\" target=\"_blank\" data-type=\"post\" data-id=\"11610\" rel=\"noreferrer noopener\">309<\/a>, 309S<\/td><td>S30900, S30908\/1.4828, 1.4833<\/td><td>Cr v\u00e0 Ni t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td><td>Linh ki\u1ec7n l\u00f2, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, l\u1edbp l\u00f3t l\u00f2, thi\u1ebft b\u1ecb l\u1ecdc d\u1ea7u<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-314\/\">314<\/a><\/td><td>S31400 \/ 1.4841<\/td><td>Si t\u0103ng l\u00ean \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao nh\u1ea5t<\/td><td>Linh ki\u1ec7n l\u00f2, \u0111\u1ea7u \u0111\u1ed1t gas, bu\u1ed3ng \u0111\u1ed1t, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><\/tr><tr><td>330<\/td><td>N08330 \/ 1.4886<\/td><td>Ni \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ch\u1ed1ng th\u1ea5m cacbon v\u00e0 s\u1ed1c nhi\u1ec7t<\/td><td>Linh ki\u1ec7n l\u00f2, linh ki\u1ec7n tua bin kh\u00ed, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t<\/td><\/tr><tr><td>302B<\/td><td>S30215 \/ \u2013<\/td><td>Si \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00f3ng c\u1eb7n<\/td><td>Linh ki\u1ec7n l\u00f2, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, \u1ed1ng ph\u00e2n ph\u1ed1i \u00f4 t\u00f4<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/308\/\" target=\"_blank\" data-type=\"post\" data-id=\"7937\" rel=\"noreferrer noopener\">308<\/a><\/td><td>S30800 \/ 1.4332<\/td><td>Cr v\u00e0 Ni cao h\u01a1n, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00e0n<\/td><td>Que h\u00e0n, v\u1eadt li\u1ec7u \u0111\u1ed9n, h\u1ec7 th\u1ed1ng x\u1ea3 nhi\u1ec7t \u0111\u1ed9 cao, l\u1edbp l\u00f3t l\u00f2<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-321\/\" target=\"_blank\" data-type=\"post\" data-id=\"10964\" rel=\"noreferrer noopener\">321<\/a><\/td><td>S32100 \/ 1.4541<\/td><td>Ti \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee7a cacbua<\/td><td>H\u1ec7 th\u1ed1ng x\u1ea3 m\u00e1y bay, ch\u1ea5t oxy h\u00f3a nhi\u1ec7t, b\u1ed9 ph\u1eadn l\u00f2, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-347\/\">347<\/a><\/td><td>S34700 \/ 1.4550<\/td><td>Nb v\u00e0 Ta \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee7a cacbua<\/td><td>Linh ki\u1ec7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9 cao, b\u1ed9 ph\u1eadn n\u1ed3i h\u01a1i h\u00e0n, \u0111\u1ed9ng c\u01a1 tua bin kh\u00ed<\/td><\/tr><tr><td>348<\/td><td>S34800 \/ 1.4551<\/td><td>Ta v\u00e0 Co b\u1ecb h\u1ea1n ch\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1t nh\u00e2n<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n, c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c b\u1ed9 ph\u1eadn ph\u00e1t \u0111i\u1ec7n, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><\/tr><tr><td>205<\/td><td>S20500 \/ \u2013<\/td><td>N v\u00e0 Mn thay th\u1ebf m\u1ed9t ph\u1ea7n Ni<\/td><td>Thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i, thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp, b\u1ed3n ch\u1ee9a, k\u1ebft c\u1ea5u h\u00e0n<\/td><\/tr><tr><td>384<\/td><td>S38400 \/ \u2013<\/td><td>Th\u00eam Ni \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 c\u1ee9ng khi l\u00e0m vi\u1ec7c<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn k\u00e9o s\u00e2u, \u1ed1c v\u00edt, bu l\u00f4ng, l\u00f2 xo, ch\u1ed1t<\/td><\/tr><tr><td>329<\/td><td>S32900 \/ 1.4460<\/td><td><strong><em>(Duplex: Austenite + Ferrite)<\/em><\/strong> Cr t\u0103ng v\u00e0 Ni gi\u1ea3m \u0111\u1ec3 ch\u1ed1ng n\u1ee9t \u0103n m\u00f2n \u1ee9ng su\u1ea5t<\/td><td>\u0110\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u kh\u00ed, thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i, b\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t, b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 Austenitic n\u00e0o t\u1ed1t nh\u1ea5t?<\/h3><p>Kh\u00f4ng c\u00f3 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 austenit n\u00e0o \u201ct\u1ed1t nh\u1ea5t\u201d ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1. \u0110\u1ed1i v\u1edbi m\u1ee5c \u0111\u00edch chung, th\u00e9p kh\u00f4ng g\u1ec9 304 ph\u1ed5 bi\u1ebfn do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 d\u1ec5 ch\u1ebf t\u1ea1o. \u0110\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, th\u00e9p kh\u00f4ng g\u1ec9 316 t\u1ed1t h\u01a1n v\u00ec n\u00f3 ch\u1ee9a molypden. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao, th\u00e9p kh\u00f4ng g\u1ec9 310 ph\u00f9 h\u1ee3p do kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3. M\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u0111i\u1ec3m m\u1ea1nh ri\u00eang, v\u00ec v\u1eady l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t s\u1ebd kh\u00e1c nhau t\u00f9y theo nhu c\u1ea7u c\u1ee5 th\u1ec3.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/h2><p>Ki\u1ec3m tra b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 bi\u1ebft c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh m\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenit \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t:&nbsp;<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><\/tr><tr><td>Th\u1ef1c ph\u1ea9m &amp; \u0110\u1ed3 u\u1ed1ng<\/td><td>B\u1ed3n ch\u1ee9a, \u0110\u01b0\u1eddng \u1ed1ng, B\u00ecnh ch\u1ee9a, Thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn<\/td><\/tr><tr><td>Y t\u1ebf &amp; D\u01b0\u1ee3c ph\u1ea9m<\/td><td>D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, Thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p, Khay kh\u1eed tr\u00f9ng, Thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n<\/td><\/tr><tr><td>X\u1eed l\u00fd h\u00f3a h\u1ecdc<\/td><td>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, l\u00f2 ph\u1ea3n \u1ee9ng, m\u00e1y b\u01a1m, van<\/td><\/tr><tr><td>D\u1ea7u kh\u00ed<\/td><td>\u0110\u01b0\u1eddng \u1ed1ng, N\u1ec1n t\u1ea3ng ngo\u00e0i kh\u01a1i, B\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t, B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><\/tr><tr><td>\u00d4 t\u00f4<\/td><td>H\u1ec7 th\u1ed1ng x\u1ea3, b\u00ecnh nhi\u00ean li\u1ec7u, b\u1ed9 ph\u1eadn trang tr\u00ed, c\u1ea3m bi\u1ebfn<\/td><\/tr><tr><td>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td><td>Linh ki\u1ec7n \u0111\u1ed9ng c\u01a1, Ch\u1ed1t, B\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u, H\u1ec7 th\u1ed1ng x\u1ea3<\/td><\/tr><tr><td>S\u1ef1 thi c\u00f4ng<\/td><td>M\u00e1i nh\u00e0, T\u1ea5m \u1ed1p m\u1eb7t ti\u1ec1n, Lan can, H\u1ed7 tr\u1ee3 k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/td><td>L\u00f2 h\u01a1i, Tua bin, Thi\u1ebft b\u1ecb kh\u1eed l\u01b0u hu\u1ef3nh kh\u00ed th\u1ea3i, Linh ki\u1ec7n l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic so v\u1edbi Martensitic so v\u1edbi Ferritic so v\u1edbi Duplex so v\u1edbi k\u1ebft t\u1ee7a<\/h2><p>So s\u00e1nh n\u0103m lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic<\/strong><\/td><td><a href=\"http:\/\/steelprogroup.com\/vi\/stainless-steel\/types\/martensite\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9 Martensitic<\/strong><\/a><\/td><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/ferritic\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9 Ferritic<\/strong><\/a><\/td><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/duplex\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9 Duplex<\/strong><\/a><\/td><td><strong><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/precipitation-hardening\/\">L\u01b0\u1ee3ng m\u01b0a l\u00e0m c\u1ee9ng<\/a><\/strong><\/td><\/tr><tr><td>C\u1ea5u tr\u00fac tinh th\u1ec3<\/td><td>Austenit (FCC)<\/td><td>Martensitic (BCT)<\/td><td>Ferritic (BCC)<\/td><td>Austenitic + Ferritic, th\u01b0\u1eddng l\u00e0 50% + 50%<\/td><td>Martensitic ho\u1eb7c Austenitic + L\u00e0m c\u1ee9ng b\u1eb1ng k\u1ebft t\u1ee7a<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh c\u01a1 h\u1ecdc<\/td><td>\u0110\u1ed9 d\u1ebbo dai cao, \u0111\u1ed9 d\u1ebbo t\u1ed1t<\/td><td>\u0110\u1ed9 b\u1ec1n cao, \u0111\u1ed9 c\u1ee9ng cao<\/td><td>\u0110\u1ed9 b\u1ec1n v\u1eeba ph\u1ea3i, \u0111\u1ed9 d\u1ebbo dai t\u1ed1t<\/td><td>\u0110\u1ed9 b\u1ec1n cao, kh\u1ea3 n\u0103ng ch\u1ed1ng g\u00e3y v\u01b0\u1ee3t tr\u1ed9i<\/td><td>\u0110\u1ed9 b\u1ec1n r\u1ea5t cao sau khi x\u1eed l\u00fd nhi\u1ec7t<\/td><\/tr><tr><td>Ch\u1ed1ng \u0103n m\u00f2n<\/td><td>Tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng axit v\u00e0 clorua<\/td><td>Trung b\u00ecnh, d\u1ec5 b\u1ecb \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/td><td>T\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng oxy h\u00f3a<\/td><td>Tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng clorua v\u00e0 bi\u1ec3n<\/td><td>T\u1ed1t, nh\u01b0ng k\u00e9m h\u01a1n lo\u1ea1i austenit ho\u1eb7c lo\u1ea1i duplex<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng h\u00e0n<\/td><td>Tuy\u1ec7t v\u1eddi, t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u t\u1eeb h\u00e0n<\/td><td>K\u00e9m, c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t tr\u01b0\u1edbc v\u00e0 sau<\/td><td>Y\u00eau c\u1ea7u x\u1eed l\u00fd nhi\u1ec7t v\u1eeba ph\u1ea3i sau khi h\u00e0n<\/td><td>T\u1ed1t, nh\u01b0ng t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><td>T\u1ed1t, nh\u01b0ng c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n<\/td><\/tr><tr><td>X\u1eed l\u00fd nhi\u1ec7t<\/td><td>Kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng x\u1eed l\u00fd nhi\u1ec7t, l\u00e0m ngu\u1ed9i c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng<\/td><td>L\u00e0m ngu\u1ed9i v\u00e0 t\u00f4i luy\u1ec7n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng<\/td><td>Kh\u00f4ng th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gia c\u01b0\u1eddng b\u1eb1ng c\u00e1ch l\u00e0m ngu\u1ed9i<\/td><td>Duy tr\u00ec t\u00ednh ch\u1ea5t t\u1ed1t sau khi x\u1eed l\u00fd nhi\u1ec7t<\/td><td>\u0110\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t l\u00e0m c\u1ee9ng k\u1ebft t\u1ee7a<\/td><\/tr><tr><td>\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/td><td>Ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, thi\u1ebft b\u1ecb h\u00f3a ch\u1ea5t, thi\u1ebft b\u1ecb y t\u1ebf<\/td><td>L\u01b0\u1ee1i dao, tr\u1ee5c, linh ki\u1ec7n c\u01a1 kh\u00ed<\/td><td>H\u1ec7 th\u1ed1ng x\u1ea3 \u00f4 t\u00f4, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/td><td>K\u1ef9 thu\u1eadt h\u00e0ng h\u1ea3i, \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u v\u00e0 kh\u00ed \u0111\u1ed1t<\/td><td>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, h\u1ea1t nh\u00e2n, \u1ee9ng d\u1ee5ng c\u01b0\u1eddng \u0111\u1ed9 cao<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Nh\u1eefng g\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 quan t\u00e2m<\/h2><p>B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 austenit, v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn \u0111\u00e1ng \u0111\u1ec3 b\u1ea1n ch\u00fa \u00fd:&nbsp;<\/p><h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 Austenitic l\u00e0 g\u00ec?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t h\u1ecd h\u1ee3p kim g\u1ed1c s\u1eaft \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. Th\u00e9p kh\u00f4ng g\u1ec9 Austenit l\u00e0 m\u1ed9t lo\u1ea1i c\u1ee5 th\u1ec3 trong nh\u00f3m n\u00e0y, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n. \u0110\u00e2y c\u0169ng l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, chi\u1ebfm kho\u1ea3ng 70% trong t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng th\u00e9p kh\u00f4ng g\u1ec9.<\/p><h3 class=\"wp-block-heading\">Ngo\u00e0i th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f2n c\u00f3 nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 n\u00e0o kh\u00e1c?<\/h3><p>C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c bao g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9 ferritic, th\u00e9p kh\u00f4ng g\u1ec9 martensitic, th\u00e9p kh\u00f4ng g\u1ec9 duplex v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 t\u00f4i k\u1ebft t\u1ee7a.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 cao. Tuy nhi\u00ean, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ebfp x\u00fac l\u00e2u v\u1edbi n\u01b0\u1edbc m\u1eb7n ho\u1eb7c h\u00f3a ch\u1ea5t m\u1ea1nh, ho\u1eb7c n\u1ebfu l\u1edbp b\u1ea3o v\u1ec7 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c m\u00f2n.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<\/strong><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/rust\/\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch n\u00e0o?<\/a><\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenit th\u01b0\u1eddng kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean h\u01a1i c\u00f3 t\u1eeb t\u00ednh sau khi gia c\u00f4ng ngu\u1ed9i, ch\u1eb3ng h\u1ea1n nh\u01b0 u\u1ed1n cong ho\u1eb7c t\u1ea1o h\u00ecnh, do s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a m\u1ed9t s\u1ed1 austenit th\u00e0nh martensite.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<\/strong><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/a><\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic c\u00f3 an to\u00e0n khi n\u1ea5u \u0103n kh\u00f4ng?<\/h3><p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 austenitic an to\u00e0n khi n\u1ea5u \u0103n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp v\u00e0 thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 b\u1ea3n ch\u1ea5t kh\u00f4ng ph\u1ea3n \u1ee9ng c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m v\u00e0 gi\u1eef nguy\u00ean h\u01b0\u01a1ng v\u1ecb.<\/p><h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft &amp; Th\u00eam n\u1eefa<\/h2><p>B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn v\u1ec1 \u0111\u1ecbnh ngh\u0129a, th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, c\u1ea5p \u0111\u1ed9, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit. \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, SteelPRO 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. Ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m 100% v\u00e0 cam k\u1ebft ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi kh\u00e1ch h\u00e0ng. Truy c\u1eadp <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 y\u00eau c\u1ea7u<\/a>. Ch\u00fang t\u00f4i s\u1ebd li\u00ean h\u1ec7 v\u1edbi b\u1ea1n s\u1edbm nh\u1ea5t!<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic l\u00e0 g\u00ec? Th\u00e9p kh\u00f4ng g\u1ec9 Austenitic l\u00e0 m\u1ed9t trong n\u0103m lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi [\u2026]<\/p>","protected":false},"author":1,"featured_media":7839,"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":[4216,112],"tags":[4275],"class_list":["post-7858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-type","category-stainless-steel","tag-featured"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/7858","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=7858"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/7858\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/7839"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=7858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=7858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=7858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}