{"id":20861,"date":"2025-02-28T05:24:00","date_gmt":"2025-02-27T21:24:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20861"},"modified":"2025-02-28T17:55:25","modified_gmt":"2025-02-28T09:55:25","slug":"fireproof","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/alloy-steel\/fireproof\/","title":{"rendered":"Th\u00e9p h\u1ee3p kim c\u00f3 ch\u1ed1ng ch\u00e1y kh\u00f4ng? Gi\u1ea3i th\u00edch v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y"},"content":{"rendered":"<p>Th\u00e9p h\u1ee3p kim kh\u00f4ng ch\u1ed1ng ch\u00e1y, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y cao do th\u00e0nh ph\u1ea7n \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 kh\u00f4ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, th\u00e9p h\u1ee3p kim v\u1eabn \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho 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.<\/p><p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch th\u00e9p h\u1ee3p kim ch\u1ed1ng nhi\u1ec7t, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch so s\u00e1nh v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd n\u00eau b\u1eadt c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch SteelPro Group cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh cho \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao.<\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t ch\u1ed1ng ch\u00e1y c\u1ee7a th\u00e9p h\u1ee3p kim<\/h2><p>C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim kh\u00e1c nhau c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t kh\u00e1c nhau. Th\u00e0nh ph\u1ea7n v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a ch\u00fang. H\u00e3y so s\u00e1nh m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p h\u1ee3p kim ph\u1ed5 bi\u1ebfn:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u00e1c lo\u1ea1i<\/strong><\/td><td><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong><\/td><td><strong>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong><\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim th\u1ea5p<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t trung b\u00ecnh<\/td><td>L\u00ean \u0111\u1ebfn 1.200\u00b0F (649\u00b0C)<\/td><td>X\u00e2y d\u1ef1ng, d\u1ea7m k\u1ebft c\u1ea5u, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim trung b\u00ecnh<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao h\u01a1n th\u00e9p h\u1ee3p kim th\u1ea5p<\/td><td>L\u00ean \u0111\u1ebfn 1.500\u00b0F (815\u00b0C)<\/td><td>M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim cao<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao<\/td><td>Tr\u00ean 1.800\u00b0F (982\u00b0C)<\/td><td>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, h\u1ec7 th\u1ed1ng \u1ed1ng x\u1ea3 \u00f4 t\u00f4, l\u00f2 s\u01b0\u1edfi<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/product-category\/stainless-steel\/\">Th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t tuy\u1ec7t v\u1eddi<\/td><td>L\u00ean \u0111\u1ebfn 2.000\u00b0F (1.093\u00b0C)<\/td><td>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, h\u1ec7 th\u1ed1ng x\u1ea3, thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/tool-steel\/\">Th\u00e9p c\u00f4ng c\u1ee5<\/a><\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u1ee9ng su\u1ea5t cao<\/td><td>L\u00ean \u0111\u1ebfn 1.800\u00b0F (982\u00b0C)<\/td><td>C\u00f4ng c\u1ee5 c\u00f4ng nghi\u1ec7p, khu\u00f4n m\u1eabu, gia c\u00f4ng kim lo\u1ea1i, \u0111\u00fac khu\u00f4n<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u0110i\u1ec1u g\u00ec l\u00e0m cho th\u00e9p h\u1ee3p kim c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t?<\/h2><p>Th\u00e9p h\u1ee3p kim c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y t\u1eeb h\u1ed7n h\u1ee3p kim lo\u1ea1i v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn. Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p cacbon ti\u00eau chu\u1ea9n, ch\u1ee7 y\u1ebfu bao g\u1ed3m s\u1eaft v\u00e0 cacbon, th\u00e9p h\u1ee3p kim k\u1ebft h\u1ee3p c\u00e1c ch\u1ea5t ph\u1ee5 gia nh\u01b0 crom, niken, molypden v\u00e0 vanadi. C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y ho\u1ea1t \u0111\u1ed9ng hi\u1ec7p \u0111\u1ed3ng \u0111\u1ec3:<\/p><ul class=\"wp-block-list\"><li><strong>T\u1ea1o l\u1edbp oxit b\u1ea3o v\u1ec7<\/strong>: Crom ph\u1ea3n \u1ee9ng v\u1edbi oxy \u0111\u1ec3 t\u1ea1o ra l\u1edbp oxit crom m\u1ecfng ch\u1ecbu nhi\u1ec7t, b\u1ea3o v\u1ec7 th\u00e9p kh\u1ecfi ng\u1ecdn l\u1eeda tr\u1ef1c ti\u1ebfp v\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a.<\/li>\n\n<li><strong>Gi\u1eef nguy\u00ean \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong>: Niken \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u00e9p, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng m\u1ec1m ho\u1eb7c cong v\u00eanh ngay c\u1ea3 khi ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao trong th\u1eddi gian d\u00e0i.<\/li>\n\n<li><strong>Ch\u1ed1ng l\u1ea1i s\u1ef1 bi\u1ebfn d\u1ea1ng nhi\u1ec7t<\/strong>:Molypden l\u00e0m gi\u1ea3m bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 cao, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i.<\/li><\/ul><p>Th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang n\u00e0y cho ph\u00e9p th\u00e9p h\u1ee3p kim ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 1.000\u00b0F (538\u00b0C) m\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p truy\u1ec1n th\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y.<\/p><h2 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a th\u00e9p h\u1ee3p kim<\/h2><p>Ngo\u00e0i ra <strong>nguy\u00ean t\u1ed1 h\u1ee3p kim<\/strong> Gi\u1ed1ng nh\u01b0 crom, niken, molypden v\u00e0 vanadi, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a th\u00e9p h\u1ee3p kim:<\/p><h3 class=\"wp-block-heading\">H\u00e0m l\u01b0\u1ee3ng cacbon<\/h3><ul class=\"wp-block-list\"><li><strong>T\u0103ng h\u00e0m l\u01b0\u1ee3ng cacbon<\/strong> t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p nh\u01b0ng l\u00e0m gi\u1ea3m \u0111\u1ed9 d\u1ebbo c\u1ee7a th\u00e9p, khi\u1ebfn th\u00e9p d\u1ec5 g\u00e3y h\u01a1n. \u0110\u1ed9 gi\u00f2n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ee9t ho\u1eb7c h\u1ecfng khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao trong th\u1eddi gian d\u00e0i.<\/li>\n\n<li><strong>H\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n<\/strong> l\u00e0m cho th\u00e9p d\u1ec5 u\u1ed1n h\u01a1n, nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 c\u00f9ng \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\">Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t<\/h3><ul class=\"wp-block-list\"><li>X\u1eed l\u00fd nhi\u1ec7t \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u00e9p, n\u00e2ng cao \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n<li>X\u1eed l\u00fd nhi\u1ec7t kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 l\u00e0m th\u00e9p y\u1ebfu \u0111i, khi\u1ebfn th\u00e9p d\u1ec5 b\u1ecb ph\u00e2n h\u1ee7y do nhi\u1ec7t h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac vi m\u00f4<\/h3><ul class=\"wp-block-list\"><li><strong><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/\">th\u00e9p austenit<\/a><\/strong>, v\u00ed d\u1ee5, \u1ed5n \u0111\u1ecbnh h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n so v\u1edbi <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/ferritic\/\">ferritic<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/martensitic\/\">th\u00e9p martensitic<\/a>.<\/li>\n\n<li>N\u1ebfu th\u00e9p tr\u1ea3i qua qu\u00e1 tr\u00ecnh chuy\u1ec3n pha \u1edf nhi\u1ec7t \u0111\u1ed9 cao, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a th\u00e9p c\u00f3 th\u1ec3 gi\u1ea3m s\u00fat.<\/li><\/ul><h3 class=\"wp-block-heading\">Ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/h3><ul class=\"wp-block-list\"><li><strong>Th\u1eddi gian ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t<\/strong> l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng\u2014ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i trong c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u00e9p, d\u1eabn \u0111\u1ebfn gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/li>\n\n<li><strong>C\u00e1c y\u1ebfu t\u1ed1 \u0103n m\u00f2n<\/strong>ch\u1eb3ng h\u1ea1n nh\u01b0 l\u01b0u hu\u1ef3nh ho\u1eb7c clo, c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u1ee7a th\u00e9p khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a th\u00e9p.<\/li><\/ul><h3 class=\"wp-block-heading\">\u0110\u1ed9 d\u00e0y c\u1ee7a th\u00e9p<\/h3><ul class=\"wp-block-list\"><li><strong>Ph\u1ea7n d\u00e0y h\u01a1n<\/strong> c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n, ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n<li><strong>C\u00e1c ph\u1ea7n m\u1ecfng h\u01a1n<\/strong> n\u00f3ng l\u00ean nhanh h\u01a1n v\u00e0 d\u1ec5 b\u1ecb m\u1ea5t \u0111\u1ed9 b\u1ec1n khi ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed5ng th\u1ec3 c\u1ee7a ch\u00fang.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p h\u1ee3p kim so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c: So s\u00e1nh kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p h\u1ee3p kim so v\u1edbi th\u00e9p cacbon<\/h3><p>Th\u00e9p h\u1ee3p kim c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed1t h\u01a1n th\u00e9p cacbon nh\u1edd th\u00e0nh ph\u1ea7n \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3.<\/p><ul class=\"wp-block-list\"><li><strong>Crom v\u00e0 Niken<\/strong>:C\u00e1c nguy\u00ean t\u1ed1 n\u00e0y gi\u00fap th\u00e9p h\u1ee3p kim h\u00ecnh th\u00e0nh l\u1edbp oxit b\u1ea3o v\u1ec7 ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a v\u00e0 duy tr\u00ec \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n\n<li><strong>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/strong>:Th\u00e9p h\u1ee3p kim c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao h\u01a1n, cho ph\u00e9p n\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec1u nhi\u1ec7t h\u01a1n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u y\u1ebfu \u0111i.<\/li>\n\n<li><strong>Hi\u1ec7u su\u1ea5t<\/strong>: Th\u00e9p cacbon, v\u1edbi th\u00e0nh ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n, m\u1ea5t \u0111\u1ed9 b\u1ec1n nhanh h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn c\u1ee7a th\u00e9p h\u1ee3p kim l\u00e0m cho n\u00f3 \u0111\u00e1ng tin c\u1eady h\u01a1n trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y.<\/li><\/ul><h3 class=\"wp-block-heading\">Th\u00e9p h\u1ee3p kim so v\u1edbi nh\u00f4m ho\u1eb7c \u0111\u1ed3ng<\/h3><p>Th\u00e9p h\u1ee3p kim c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed1t h\u01a1n nh\u00f4m v\u00e0 \u0111\u1ed3ng.<\/p><ul class=\"wp-block-list\"><li><strong>Nh\u00f4m<\/strong>: M\u1eb7c d\u00f9 nh\u1eb9 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, nh\u00f4m c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p (kho\u1ea3ng 1.200\u00b0F ho\u1eb7c 649\u00b0C). Th\u00e9p h\u1ee3p kim c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n nhi\u1ec1u, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t.<\/li>\n\n<li><strong>\u0110\u1ed3ng<\/strong>: \u0110\u1ed3ng d\u1eabn nhi\u1ec7t t\u1ed1t nh\u01b0ng m\u1ec1m \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ed3ng, th\u00e9p h\u1ee3p kim v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n khi ch\u1ecbu nhi\u1ec7t, gi\u00fap th\u00e9p \u0111\u00e1ng tin c\u1eady h\u01a1n khi s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li><\/ul><h3 class=\"wp-block-heading\">Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y?<\/h3><p>M\u1eb7c d\u00f9 th\u00e9p h\u1ee3p kim \u0111\u00e3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 h\u01a1n n\u1eefa.<\/p><ul class=\"wp-block-list\"><li><strong>L\u1edbp ph\u1ee7 tr\u01b0\u01a1ng n\u1edf<\/strong>:Nh\u1eefng l\u1edbp ph\u1ee7 n\u00e0y n\u1edf ra khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t, t\u1ea1o th\u00e0nh l\u1edbp c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00e9p.<\/li>\n\n<li><strong>L\u1edbp ph\u1ee7 g\u1ed1m<\/strong>:L\u1edbp ph\u1ee7 g\u1ed1m ph\u1ea3n x\u1ea1 nhi\u1ec7t, gi\u00fap th\u00e9p m\u00e1t h\u01a1n.<br>Vi\u1ec7c th\u00eam c\u00e1c l\u1edbp ph\u1ee7 n\u00e0y v\u00e0o th\u00e9p h\u1ee3p kim c\u00f3 th\u1ec3 l\u00e0m cho n\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n n\u1eefa trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e0 m\u00e1y \u0111i\u1ec7n ho\u1eb7c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li><\/ul><h2 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y \u0111\u01b0\u1ee3c \u0111o nh\u01b0 th\u1ebf n\u00e0o?<\/h2><p>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng th\u00f4ng qua c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t \u0111\u00e1nh gi\u00e1 ba y\u1ebfu t\u1ed1 ch\u00ednh:<\/p><ol class=\"wp-block-list\"><li><strong>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y:<\/strong> Th\u00e9p h\u1ee3p kim th\u01b0\u1eddng n\u00f3ng ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 2.500\u00b0F \u0111\u1ebfn 2.800\u00b0F (1.370\u00b0C\u20131.538\u00b0C), cao h\u01a1n nhi\u1ec1u so v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng (~2.200\u00b0F \/ 1.204\u00b0C).<\/li>\n\n<li><strong>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/strong>: \u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p h\u01a1n l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, k\u00e9o d\u00e0i th\u1eddi gian \u0111\u1ec3 \u1ee9ng ph\u00f3 kh\u1ea9n c\u1ea5p. \u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a th\u00e9p h\u1ee3p kim dao \u0111\u1ed9ng t\u1eeb 11\u201345 W\/m\u00b7K, t\u00f9y thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3.<\/li>\n\n<li><strong>T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac<\/strong>:C\u00e1c th\u1eed nghi\u1ec7m nh\u01b0 ASTM E119 ho\u1eb7c ISO 834 cho v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac v\u1edbi m\u00f4 ph\u1ecfng ch\u00e1y, \u0111o th\u1eddi gian v\u1eadt li\u1ec7u duy tr\u00ec \u0111\u1ed9 b\u1ec1n (v\u00ed d\u1ee5: 1\u20134 gi\u1edd) tr\u01b0\u1edbc khi b\u1ecb h\u1ecfng nghi\u00eam tr\u1ecdng.<\/li><\/ol><p>T\u1ea1i SteelPro Group, c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p h\u1ee3p kim c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn b\u1edfi b\u00ean th\u1ee9 ba \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y to\u00e0n c\u1ea7u.<\/p><h2 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y ph\u00f9 h\u1ee3p<\/h2><p>Vi\u1ec7c l\u1ef1a ch\u1ecdn th\u00e9p h\u1ee3p kim ph\u00f9 h\u1ee3p kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t k\u00edch c\u1ee1 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi\u2014n\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u r\u00f5 nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n. \u0110\u00f3 l\u00e0 n\u01a1i <strong>T\u1eadp \u0111o\u00e0n SteelPro<\/strong> \u0111i k\u00e8m. Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p h\u1ee3p kim t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n cao nh\u1ea5t v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t v\u00e0 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc c\u1ee7a chuy\u00ean gia.&nbsp;<\/p><p><strong>H\u00e3y li\u00ean h\u1ec7 v\u1edbi SteelPro Group ngay h\u00f4m nay<\/strong> v\u00e0 kh\u00e1m ph\u00e1 c\u00e1ch th\u00e9p ch\u1ed1ng ch\u00e1y c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 n\u00e2ng cao d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u1edbi \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p h\u1ee3p kim kh\u00f4ng ch\u1ed1ng ch\u00e1y, nh\u01b0ng n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y cao do th\u00e0nh ph\u1ea7n \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 n\u00f3 kh\u00f4ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, [\u2026]<\/p>","protected":false},"author":12,"featured_media":20857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4308],"tags":[],"class_list":["post-20861","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alloy-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=20861"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20861\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/20857"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}