{"id":11646,"date":"2024-10-17T03:46:00","date_gmt":"2024-10-16T19:46:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=11646"},"modified":"2024-11-08T09:31:55","modified_gmt":"2024-11-08T01:31:55","slug":"grade-414","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-414\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 414: \u0110\u1ecbnh ngh\u0129a, T\u00ednh ch\u1ea5t v\u00e0 \u1ee8ng d\u1ee5ng"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 l\u00e0 h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch v\u1ec1 th\u00e0nh ph\u1ea7n, \u0111\u1eb7c t\u00ednh ch\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng.&nbsp;<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 414 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 UNS S41400, bao g\u1ed3m kho\u1ea3ng 88% s\u1eaft, c\u00f9ng v\u1edbi 12% crom. \u0110\u00e2y l\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/austenitic\/grade-304\/\">th\u00e9p kh\u00f4ng g\u1ec9 410<\/a>. L\u00e0 lo\u1ea1i th\u00e9p martensitic, n\u00f3 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai tuy\u1ec7t v\u1eddi. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng v\u00e0 s\u1ea3n xu\u1ea5t.<\/p><h2 class=\"wp-block-heading\">T\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Qu\u1ed1c gia\/Khu v\u1ef1c<\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n\/\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/strong><\/td><td><strong>C\u1ea5p<\/strong><\/td><\/tr><tr><td>Ch\u00e2u \u00c2u<\/td><td>WNR<\/td><td>1.4008<\/td><\/tr><tr><td>Hoa K\u1ef3<\/td><td>Li\u00ean Hi\u1ec7p Qu\u1ed1c<\/td><td>S41400<\/td><\/tr><tr><td>Hoa K\u1ef3<\/td><td>AISI<\/td><td>414<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>Fe<\/strong><\/td><td><strong>C<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>S<\/strong><\/td><td><strong>P<\/strong><\/td><td><strong>Ni<\/strong><\/td><\/tr><tr><td><strong>wt%<\/strong><\/td><td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><td>0,15% t\u1ed1i \u0111a<\/td><td>11.5-13.5%<\/td><td>T\u1ed1i \u0111a 1.00%<\/td><td>T\u1ed1i \u0111a 1.00%<\/td><td>0,030% t\u1ed1i \u0111a<\/td><td>0,040% t\u1ed1i \u0111a<\/td><td>0,60% t\u1ed1i \u0111a<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,70 g\/cm\u00b3<\/td><td>0,278 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1440\u00b0C \u2013 1510\u00b0C<\/td><td>2624\u00b0F \u2013 2750\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>24,9 W\/m\u00b7K \u1edf 100\u00b0C<\/td><td>172,5 BTU in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>11,1 \u00b5m\/m\u00b7\u00b0C \u1edf 20\u00b0C<\/td><td>6,2 \u00b5in\/in\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td><td>1.3% IACS<\/td><td>1.3% IACS<\/td><\/tr><tr><td>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/td><td>S\u1eaft t\u1eeb<\/td><td>S\u1eaft t\u1eeb<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng)<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb (Anh)<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>655-860MPa<\/td><td>95.000-125.000 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>415MPa<\/td><td>60.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Brinell&nbsp;<\/td><td>197-223<\/td><td>197-223<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng, Rockwell C (tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m)<\/td><td>48<\/td><td>48<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Rockwell (chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u1ed9 c\u1ee9ng Rockwell C)<\/td><td>459<\/td><td>459<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Vickers (chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u1ed9 c\u1ee9ng Rockwell C)<\/td><td>487<\/td><td>487<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>15%<\/td><td>15%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>200 GPa<\/td><td>29.000 kil\u00f4gam<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">C\u00e1c d\u1ea1ng kh\u00e1c nhau c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, cho ph\u00e9p s\u1eed d\u1ee5ng linh ho\u1ea1t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Sau \u0111\u00e2y l\u00e0 c\u00e1c d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414:<\/p><h3 class=\"wp-block-heading\">Thanh v\u00e0 thanh th\u00e9p<\/h3><p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e1y m\u00f3c v\u00e0 k\u1ebft c\u1ea5u, thanh th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 h\u00ecnh d\u1ea1ng tr\u00f2n, ph\u1eb3ng v\u00e0 l\u1ee5c gi\u00e1c. Ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 tr\u1ee5c, b\u00e1nh r\u0103ng v\u00e0 ch\u1ed1t v\u00ec kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a ch\u00fang.<\/p><h3 class=\"wp-block-heading\">T\u1ea5m v\u00e0 T\u1ea5m<\/h3><p class=\"wp-block-paragraph\">C\u00e1c s\u1ea3n ph\u1ea9m ph\u1eb3ng nh\u01b0 t\u1ea5m v\u00e0 \u0111\u0129a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, bao g\u1ed3m c\u1ea3 trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng.<\/p><h3 class=\"wp-block-heading\">\u1ed0ng v\u00e0 \u1ed0ng d\u1eabn<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 c\u0169ng c\u00f3 d\u1ea1ng \u1ed1ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 h\u1ecdc \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n ch\u1ecbu \u00e1p l\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 gi\u00e1 \u0111\u1ee1 k\u1ebft c\u1ea5u.<\/p><h3 class=\"wp-block-heading\">D\u00e2y \u0111i\u1ec7n<\/h3><p class=\"wp-block-paragraph\">D\u00e2y th\u00e9p kh\u00f4ng g\u1ec9 414 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n v\u1eadt li\u1ec7u b\u1ec1n, d\u1ebbo nh\u01b0 l\u00f2 xo v\u00e0 \u1ed1c v\u00edt.<\/p><h3 class=\"wp-block-heading\">Linh ki\u1ec7n r\u00e8n<\/h3><p class=\"wp-block-paragraph\">R\u00e8n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n van, tr\u1ee5c b\u01a1m v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f4ng nghi\u1ec7p h\u1ea1ng n\u1eb7ng kh\u00e1c. Th\u00e9p kh\u00f4ng g\u1ec9 414 r\u00e8n c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, n\u01a1i c\u1ea7n s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/p><h3 class=\"wp-block-heading\">Linh ki\u1ec7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay nh\u01b0 b\u00e1nh r\u0103ng, tr\u1ee5c v\u00e0 ch\u1ed1t do c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao, ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">Linh ki\u1ec7n b\u01a1m v\u00e0 van<\/h3><p class=\"wp-block-paragraph\">Th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 tr\u1ee5c b\u01a1m, th\u00e2n van v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00e1y m\u00f3c.<\/p><h3 class=\"wp-block-heading\">M\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb ch\u1ecbu t\u1ea3i n\u1eb7ng nh\u01b0 b\u00e1nh r\u0103ng c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c, n\u01a1i c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p><h3 class=\"wp-block-heading\">Ph\u1ee5 t\u00f9ng \u00f4 t\u00f4<\/h3><p class=\"wp-block-paragraph\">Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, th\u00e9p kh\u00f4ng g\u1ec9 414 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 tr\u1ee5c khu\u1ef7u, b\u00e1nh r\u0103ng truy\u1ec1n \u0111\u1ed9ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu \u1ee9ng su\u1ea5t cao kh\u00e1c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1eafc ch\u1eafn.<\/p><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao<\/h3><ul class=\"wp-block-list\"><li>C\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t: C\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t, cho ph\u00e9p \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n: \u0110\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn d\u1ec5 b\u1ecb m\u00e0i m\u00f2n.<\/li><\/ul><h3 class=\"wp-block-heading\">C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3><ul class=\"wp-block-list\"><li>B\u1ed5 sung Molypden: Vi\u1ec7c b\u1ed5 sung Molypden gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 martensitic ti\u00eau chu\u1ea9n nh\u01b0 410.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u1eb9: C\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, h\u01a1i n\u01b0\u1edbc v\u00e0 h\u00f3a ch\u1ea5t nh\u1eb9.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t<\/h3><ul class=\"wp-block-list\"><li>Gia c\u00f4ng: Khi \u1ee7, th\u00e9p kh\u00f4ng g\u1ec9 414 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p.<\/li>\n\n<li>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t: Th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao. \u0110i\u1ec1u n\u00e0y c\u00f3 l\u1ee3i cho c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ee9c n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ea9m m\u1ef9.<\/li><\/ul><h3 class=\"wp-block-heading\">T\u00ednh linh ho\u1ea1t<\/h3><ul class=\"wp-block-list\"><li>Ph\u1ea1m vi \u1ee9ng d\u1ee5ng: Th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o tr\u1ee5c, van, b\u00e1nh r\u0103ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed kh\u00e1c \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh: C\u00f3 th\u1ec3 r\u00e8n v\u00e0 t\u1ea1o h\u00ecnh b\u1eb1ng c\u00e1c quy tr\u00ecnh th\u00edch h\u1ee3p, t\u0103ng th\u00eam t\u00ednh linh ho\u1ea1t trong ch\u1ebf t\u1ea1o.<\/li><\/ul><h2 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf<\/h3><ul class=\"wp-block-list\"><li>M\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n so v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p martensitic do c\u00f3 h\u00e0m l\u01b0\u1ee3ng molypden, nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 v\u1eabn k\u00e9m h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenitic nh\u01b0 304 ho\u1eb7c 316.<\/li>\n\n<li>Trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ee9a clorua ho\u1eb7c c\u00e1c t\u00e1c nh\u00e2n \u0103n m\u00f2n kh\u00e1c, hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n r\u1ed7 v\u00e0 khe h\u1edf r\u1ea5t d\u1ec5 x\u1ea3y ra.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng h\u00e0n k\u00e9m<\/h3><ul class=\"wp-block-list\"><li>Nguy c\u01a1 n\u1ee9t: H\u00e0m l\u01b0\u1ee3ng carbon cao l\u00e0m t\u0103ng nguy c\u01a1 n\u1ee9t \u1edf v\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t trong qu\u00e1 tr\u00ecnh h\u00e0n.<\/li>\n\n<li>Nhu c\u1ea7u gia nhi\u1ec7t tr\u01b0\u1edbc v\u00e0 x\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n: H\u00e0n \u0111\u00f2i h\u1ecfi ph\u1ea3i ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn, bao g\u1ed3m gia nhi\u1ec7t tr\u01b0\u1edbc \u0111\u1ebfn 200\u00b0C \u2013 300\u00b0C v\u00e0 \u1ee7 sau h\u00e0n, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng th\u00eam \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed.<\/li><\/ul><h3 class=\"wp-block-heading\">Gi\u1ea3m \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 dai<\/h3><ul class=\"wp-block-list\"><li>\u0110\u1ed9 gi\u00f2n: V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 gi\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u00e3 c\u1ee9ng, khi\u1ebfn n\u00f3 \u00edt ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 d\u1ebbo dai cao.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp th\u1ea5p: Kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i tr\u1ecdng \u0111\u1ed9t ng\u1ed9t ho\u1eb7c va \u0111\u1eadp.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u00f3 kh\u0103n trong gia c\u00f4ng sau khi t\u00f4i c\u1ee9ng<\/h3><ul class=\"wp-block-list\"><li>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 c\u1ee9ng: Sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng t\u1ed1i \u0111a, qu\u00e1 tr\u00ecnh gia c\u00f4ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n, \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt chuy\u00ean d\u1ee5ng.<\/li>\n\n<li>T\u0103ng \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5: V\u1eadt li\u1ec7u c\u1ee9ng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft, l\u00e0m t\u0103ng chi ph\u00ed d\u1ee5ng c\u1ee5.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh h\u1ea1n ch\u1ebf<\/h3><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh ngu\u1ed9i k\u00e9m: Do \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ed9 d\u1ebbo th\u1ea5p n\u00ean t\u1ea1o h\u00ecnh ngu\u1ed9i r\u1ea5t kh\u00f3 kh\u0103n v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ee9t.<\/li>\n\n<li>Y\u00eau c\u1ea7u gia c\u00f4ng n\u00f3ng: Th\u01b0\u1eddng ph\u1ea3i t\u1ea1o h\u00ecnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0m ph\u1ee9c t\u1ea1p qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li><\/ul><h3 class=\"wp-block-heading\">Kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao<\/h3><ul class=\"wp-block-list\"><li>C\u1eb7n b\u00e1m v\u00e0 oxy h\u00f3a: \u1ede nhi\u1ec7t \u0111\u1ed9 cao, th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 th\u1ec3 b\u1ecb c\u1eb7n b\u00e1m v\u00e0 oxy h\u00f3a.<\/li>\n\n<li>M\u1ea5t t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc: Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.<\/li><\/ul><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t<\/h2><h3 class=\"wp-block-heading\">\u1ee6<\/h3><ul class=\"wp-block-list\"><li>Th\u00e9p \u0111\u01b0\u1ee3c nung t\u1edbi nhi\u1ec7t \u0111\u1ed9 820\u00b0C \u2013 900\u00b0C (1500\u00b0F \u2013 1650\u00b0F) r\u1ed3i l\u00e0m ngu\u1ed9i t\u1eeb t\u1eeb \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong.&nbsp;<\/li>\n\n<li>\u1ee6 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ebbo v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng b\u1eb1ng c\u00e1ch gi\u1ea3m \u0111\u1ed9 c\u1ee9ng.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><ul class=\"wp-block-list\"><li>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 980\u00b0C \u2013 1020\u00b0C (1800\u00b0F \u2013 1870\u00b0F) r\u1ed3i l\u00e0m ngu\u1ed9i nhanh (l\u00e0m ngu\u1ed9i) trong d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed.&nbsp;<\/li>\n\n<li>Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a th\u00e9p. \u0110i\u1ec1u n\u00e0y l\u00e0m cho th\u00e9p tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu \u1ee9ng su\u1ea5t cao nh\u01b0 b\u00e1nh r\u0103ng v\u00e0 tr\u1ee5c.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h3><ul class=\"wp-block-list\"><li>V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nung n\u00f3ng l\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n, th\u01b0\u1eddng l\u00e0 t\u1eeb 150\u00b0C \u2013 600\u00b0C (300\u00b0F \u2013 1110\u00b0F). Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo s\u1ef1 c\u00e2n b\u1eb1ng c\u1ea7n thi\u1ebft gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai.<\/li>\n\n<li>Qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n l\u00e0m gi\u1ea3m \u0111\u1ed9 gi\u00f2n do t\u00f4i luy\u1ec7n trong khi v\u1eabn gi\u1eef \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng \u0111\u1ec3 b\u1ec1n. N\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 \u0111\u1ed9 d\u1ebbo dai t\u1ed5ng th\u1ec3 c\u1ee7a th\u00e9p.<\/li><\/ul><h3 class=\"wp-block-heading\">Gi\u1ea3m c\u0103ng th\u1eb3ng<\/h3><ul class=\"wp-block-list\"><li>Th\u00e9p c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh gi\u1ea3m \u1ee9ng su\u1ea5t, trong \u0111\u00f3 th\u00e9p \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 540\u00b0C \u2013 650\u00b0C (1000\u00b0F \u2013 1200\u00b0F).<\/li>\n\n<li>Gi\u1ea3m \u1ee9ng su\u1ea5t gi\u00fap gi\u1ea3m nguy c\u01a1 cong v\u00eanh ho\u1eb7c n\u1ee9t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u1ee9ng su\u1ea5t cao.<\/li><\/ul><h3 class=\"wp-block-heading\">\u1ee6 d\u01b0\u1edbi t\u1edbi h\u1ea1n<\/h3><ul class=\"wp-block-list\"><li>Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c nung th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 650\u00b0C \u2013 760\u00b0C (1200\u00b0F \u2013 1400\u00b0F), th\u1ea5p h\u01a1n ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1edbi h\u1ea1n c\u1ee7a th\u00e9p.<\/li>\n\n<li>\u1ee6 d\u01b0\u1edbi t\u1edbi h\u1ea1n l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc t\u1ed5ng th\u1ec3.<\/li><\/ul><h3 class=\"wp-block-heading\">Chu\u1ea9n h\u00f3a<\/h3><ul class=\"wp-block-list\"><li>L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 900\u00b0C \u2013 950\u00b0C (1650\u00b0F \u2013 1750\u00b0F) r\u1ed3i \u0111\u1ec3 ngu\u1ed9i ngo\u00e0i kh\u00f4ng kh\u00ed.&nbsp;<\/li>\n\n<li>Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd t\u00f9y ch\u1ecdn n\u00e0y c\u1ea3i thi\u1ec7n c\u1ea3 \u0111\u1ed9 d\u1ebbo dai v\u00e0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t trong c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a th\u00e9p, gi\u00fap th\u00e9p ph\u00f9 h\u1ee3p h\u01a1n cho qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 ch\u1ebf bi\u1ebfn ti\u1ebfp theo.<\/li><\/ul><h2 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 414<\/h2><h3 class=\"wp-block-heading\">Qu\u00e1 tr\u00ecnh r\u00e8n<\/h3><ul class=\"wp-block-list\"><li>Tr\u01b0\u1edbc khi r\u00e8n, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nung t\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1eeb 1150\u00b0C \u0111\u1ebfn 1200\u00b0C.&nbsp;<\/li>\n\n<li>Trong qu\u00e1 tr\u00ecnh r\u00e8n, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 950\u00b0C \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng c\u1ee9ng h\u00f3a v\u00e0 n\u1ee9t.<\/li>\n\n<li>Sau khi r\u00e8n, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed, nh\u01b0ng qu\u00e1 tr\u00ecnh \u1ee7 sau khi r\u00e8n \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong.<\/li><\/ul><h3 class=\"wp-block-heading\">Gia c\u00f4ng<\/h3><ul class=\"wp-block-list\"><li>Do \u0111\u1ed9 c\u1ee9ng cao n\u00ean 414 kh\u00f3 gia c\u00f4ng. N\u00ean s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 cacbua, v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1eaft ch\u1eadm h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 n\u1ea1p li\u1ec7u th\u1ea5p h\u01a1n.<\/li>\n\n<li>C\u1ea7n c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 m\u00e0i v\u00e0 ch\u1ea5t l\u1ecfng l\u00e0m m\u00e1t th\u00edch h\u1ee3p \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t v\u00e0 ch\u00e1y b\u1ec1 m\u1eb7t trong nh\u1eefng qu\u00e1 tr\u00ecnh n\u00e0y.<\/li><\/ul><h3 class=\"wp-block-heading\">T\u1ea1o h\u00ecnh n\u00f3ng v\u00e0 l\u1ea1nh<\/h3><ul class=\"wp-block-list\"><li>T\u1ea1o h\u00ecnh ngu\u1ed9i: Do \u0111\u1ed9 c\u1ee9ng cao n\u00ean t\u1ea1o h\u00ecnh ngu\u1ed9i r\u1ea5t kh\u00f3. C\u00f3 th\u1ec3 c\u1ea7n \u1ee7 trung gian \u0111\u1ec3 tr\u00e1nh l\u00e0m c\u1ee9ng qu\u00e1 m\u1ee9c.<\/li>\n\n<li>\u00c9p n\u00f3ng: \u00c9p n\u00f3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 950\u00b0C \u0111\u1ebfn 1200\u00b0C, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo v\u00e0 gi\u1ea3m nguy c\u01a1 n\u1ee9t.<\/li><\/ul><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><ul class=\"wp-block-list\"><li>Th\u00e9p kh\u00f4ng g\u1ec9 414 d\u1ec5 b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh h\u00e0n.<\/li>\n\n<li>L\u00e0m n\u00f3ng tr\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 200\u00b0C \u0111\u1ebfn 300\u00b0C tr\u01b0\u1edbc khi h\u00e0n v\u00e0 th\u1ef1c hi\u1ec7n \u1ee7 sau khi h\u00e0n gi\u00fap gi\u1ea3m b\u1edbt \u1ee9ng su\u1ea5t h\u00e0n.<\/li>\n\n<li>\u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u n\u00e0y, h\u00e0n h\u1ed3 quang tay ho\u1eb7c h\u00e0n kh\u00ed tr\u01a1 vonfram (TIG) \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n.<\/li><\/ul><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 414 v\u00e0 304 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u1ed1t h\u01a1n. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ed1ng m\u00e0i m\u00f2n nh\u01b0 b\u00e1nh r\u0103ng v\u00e0 van. <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">th\u00e9p kh\u00f4ng g\u1ec9 304<\/a> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 \u1ee9ng d\u1ee5ng h\u00f3a ch\u1ea5t.<\/p><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 414 v\u00e0 416 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">&nbsp;Th\u00e9p kh\u00f4ng g\u1ec9 414 b\u1ec1n h\u01a1n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n. <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-416\/\">th\u00e9p kh\u00f4ng g\u1ec9 416<\/a> d\u1ec5 gia c\u00f4ng h\u01a1n. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 414 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u1eeba ph\u1ea3i, nh\u01b0ng \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3 gi\u1ea3m d\u1ea7n khi v\u01b0\u1ee3t qu\u00e1 600\u00b0C (1110\u00b0F), h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao.<\/p><h2 class=\"wp-block-heading\">B\u1ea3n t\u00f3m t\u1eaft<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 414, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 UNS S41400. \u01afu \u0111i\u1ec3m ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec7t t\u1ed1t. \u0110\u1ed9 b\u1ec1n cao c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p><p class=\"wp-block-paragraph\">T\u1ea1i Steel Pro Group, ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u cho nhu c\u1ea7u c\u00f4ng nghi\u1ec7p hi\u1ec7u su\u1ea5t cao. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, vui l\u00f2ng <a href=\"https:\/\/steelprogroup.com\/vi\">gh\u00e9 th\u0103m trang web c\u1ee7a ch\u00fang t\u00f4i<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 c\u1ee5 th\u1ec3.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 414 l\u00e0 h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3, [\u2026]<\/p>","protected":false},"author":1,"featured_media":11643,"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":[4191,112],"tags":[],"class_list":["post-11646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/11646","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=11646"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/11646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/11643"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=11646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=11646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=11646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}