{"id":10952,"date":"2024-10-03T01:40:00","date_gmt":"2024-10-02T17:40:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10952"},"modified":"2024-11-21T10:23:13","modified_gmt":"2024-11-21T02:23:13","slug":"grade-405","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-405\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 405: H\u00ecnh d\u1ea1ng, th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng, ch\u1ebf bi\u1ebfn v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa"},"content":{"rendered":"<p>\u1ede \u0111\u00e2y ch\u00fang t\u00f4i gi\u1edbi thi\u1ec7u th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, \u0111\u1eb7c \u0111i\u1ec3m, \u1ee9ng d\u1ee5ng, \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m, ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 405 v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a n\u00f3 so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 410. C\u00e1c s\u1ea3n ph\u1ea9m SS 405 c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m t\u1ea5m, cu\u1ed9n, thanh, \u1ed1ng, v.v. Ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao, cho d\u00f9 b\u1ea1n c\u1ea7n k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n hay th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u00f9y ch\u1ec9nh.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 405 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 405 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 ferritic ch\u1ee9a kho\u1ea3ng 12% crom c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p, d\u1ec5 \u0111\u1ecbnh h\u00ecnh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n th\u1ea5p (nh\u01b0ng y\u1ebfu). Th\u00e9p kh\u00f4ng b\u1ecb c\u1ee9ng sau khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao, do \u0111\u00f3 th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n v\u00e0 \u0111\u1ecbnh h\u00ecnh, \u0111\u1ed3ng th\u1eddi v\u1eabn duy tr\u00ec \u0111\u1ed9 m\u1ec1m v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t.<\/p><h3 class=\"wp-block-heading\">C\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h3><p>Sau \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 405 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng theo c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau:<\/p><ul class=\"wp-block-list\"><li>UNS: S40500<\/li>\n\n<li>Ti\u1ebfng Vi\u1ec7t: X6CrAl13 (1.4002)<\/li>\n\n<li>JIS: SUS405<\/li>\n\n<li>BS: 405S17<\/li><\/ul><h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n th\u00e9p kh\u00f4ng g\u1ec9 405<\/h3><ul class=\"wp-block-list\"><li>Ti\u00eau chu\u1ea9n ASTMA176<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA240<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA268<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA276<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA314<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA473<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA479<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA511<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA580<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Y\u1ebfu t\u1ed1<\/td><td>Ph\u1ea1m vi th\u00e0nh ph\u1ea7n<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>0,08% t\u1ed1i \u0111a<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>11.5% &#8211; 14.5%<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>T\u1ed1i \u0111a 1.00%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>T\u1ed1i \u0111a 1.00%<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>0,03% t\u1ed1i \u0111a<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>0,04% t\u1ed1i \u0111a<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>0,50% t\u1ed1i \u0111a<\/td><\/tr><tr><td>Nh\u00f4m (Al)<\/td><td>0.10% &#8211; 0.30%<\/td><\/tr><\/tbody><\/table><\/figure><p>H\u00e0m l\u01b0\u1ee3ng crom t\u01b0\u01a1ng \u0111\u1ed1i cao (11,5-14,5%) mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, trong khi vi\u1ec7c b\u1ed5 sung nh\u00f4m c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 cao. H\u00e0m l\u01b0\u1ee3ng carbon \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 405 duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><h3 class=\"wp-block-heading\">C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 405 cung c\u1ea5p s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o c\u00e1c t\u00ednh n\u0103ng khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Sau \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn s\u00e2u h\u01a1n v\u1ec1 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a n\u00f3:<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n:<\/strong> M\u1eb7c d\u00f9 kh\u00f4ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 304 ho\u1eb7c 316, 405 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t trong kh\u00ed quy\u1ec3n v\u00e0 m\u00f4i tr\u01b0\u1eddng nh\u1eb9. N\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u00edt ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t m\u1ea1nh ho\u1eb7c n\u01b0\u1edbc mu\u1ed1i.<\/p><p><strong>Kh\u1ea3 n\u0103ng h\u00e0n:<\/strong> So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ferritic kh\u00e1c, 405 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng h\u1ea7u h\u1ebft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n v\u00e0 \u1ee7 sau khi h\u00e0n l\u00e0m t\u0103ng \u0111\u1ed9 d\u1ebbo c\u1ee7a n\u00f3, cho ph\u00e9p \u0111\u1ecbnh h\u00ecnh v\u00e0 x\u1eed l\u00fd th\u00eam.<\/p><p><strong>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh: <\/strong>405 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 ferritic, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 t\u1eeb t\u00ednh.&nbsp;<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a:<\/strong> Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 800\u00b0C, do \u0111\u00f3 r\u1ea5t l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 c\u00e1c b\u1ed9 ph\u1eadn l\u00f2 nung v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<\/p><p><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed:<\/strong> So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nh\u01b0 304 ho\u1eb7c 316, 405 c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n do h\u00e0m l\u01b0\u1ee3ng niken th\u1ea5p h\u01a1n.&nbsp;<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>H\u1ec7 m\u00e9t<\/strong><\/td><td><strong>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o (T\u1ed1i \u0111a)<\/td><td>415 \u2013 469MPa<\/td><td>60.000 \u2013 68.000 psi<\/td><\/tr><tr><td>Gi\u1edbi h\u1ea1n ch\u1ea3y (\u0111\u1ed9 l\u1ec7ch 0,2%)<\/td><td>170 \u2013 276MPa<\/td><td>25.000 \u2013 40.000 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (t\u00ednh b\u1eb1ng 50 mm)<\/td><td>20 &#8211; 30%<\/td><td>20 &#8211; 30%<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Rockwell B)<\/td><td>T\u1ed1i \u0111a 88 HRB<\/td><td>T\u1ed1i \u0111a 88 HRB<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Brinell)<\/td><td>131 \u2013 179 HB<\/td><td>131 \u2013 179 HB<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (S\u1ee9c c\u0103ng)<\/td><td>200 GPa<\/td><td>29 x 10^6 psi<\/td><\/tr><tr><td>T\u1ef7 s\u1ed1 Poisson<\/td><td>0.27 &#8211; 0.30<\/td><td>0.27 &#8211; 0.30<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh va \u0111\u1eadp (20\u00b0C)<\/td><td>41 th\u00e1ng<\/td><td>30,2 ft-lb<\/td><\/tr><tr><td>Gi\u1ea3m Di\u1ec7n T\u00edch<\/td><td>40 &#8211; 60%<\/td><td>40 &#8211; 60%<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t nhi\u1ec7t v\u00e0 v\u1eadt l\u00fd<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>H\u1ec7 m\u00e9t<\/strong><\/td><td><strong>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,80 g\/cm\u00b3<\/td><td>0,282 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (0-100\u00b0C)<\/td><td>27 W\/m\u00b7K<\/td><td>187 BTU-in\/gi\u1edd-ft\u00b2-\u00b0F<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (0-100\u00b0C)<\/td><td>10,8 \u00b5m\/m-\u00b0C<\/td><td>6 \u00b5in\/in-\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang (0-100\u00b0C)<\/td><td>0,460 J\/g-\u00b0C<\/td><td>0,110 BTU\/lb-\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf su\u1ea5t (20\u00b0C)<\/td><td>0,000060 ohm-cm<\/td><td>0,000060 ohm-cm<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1480 \u2013 1530\u00b0C<\/td><td>2700 \u2013 2790\u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a (Kh\u00f4ng kh\u00ed)<\/td><td>705\u00b0C<\/td><td>1300\u00b0F<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>200 GPa<\/td><td>29 x 10^6 psi<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">C\u00e1c d\u1ea1ng th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><p>S\u1ea3n ph\u1ea9m th\u00e9p kh\u00f4ng g\u1ec9 405 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u0129a:<\/strong> T\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 405 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n l\u1edbn.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>T\u1ea5m tr\u1ea3i gi\u01b0\u1eddng:<\/strong> T\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 405 m\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ecbnh h\u00ecnh chi ti\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Cu\u1ed9n d\u00e2y: <\/strong>Th\u00e9p kh\u00f4ng g\u1ec9 d\u1ea1ng cu\u1ed9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c \u0111\u1ec3 s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Thanh (tr\u00f2n, vu\u00f4ng, ph\u1eb3ng): <\/strong>C\u00e1c thanh c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng, s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>\u1ed0ng v\u00e0 \u1ed1ng (li\u1ec1n m\u1ea1ch v\u00e0 h\u00e0n):<\/strong> Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Ph\u1ee5 ki\u1ec7n v\u00e0 m\u1eb7t b\u00edch:<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng n\u01a1i y\u00eau c\u1ea7u k\u1ebft n\u1ed1i an to\u00e0n.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>D\u00e2y \u0111i\u1ec7n: <\/strong>D\u00e2y th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u00e0n, x\u00e2y d\u1ef1ng v\u00e0 nhi\u1ec1u quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c.<\/li><\/ul><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><p>Nh\u1edd s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 nhi\u1ec7t, th\u00e9p kh\u00f4ng g\u1ec9 405 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau.&nbsp;<\/p><p><strong>H\u1ed9p \u1ee7: <\/strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 gi\u1eef nguy\u00ean c\u1ea5u tr\u00fac c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 \u1ee7 h\u1ed9p.<\/p><p><strong>V\u00f2i phun h\u01a1i n\u01b0\u1edbc: <\/strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u00f2i phun h\u01a1i n\u01b0\u1edbc.<\/p><p><strong>Gi\u00e1 l\u00e0m ngu\u1ed9i:<\/strong> Do c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng n\u00ean th\u00e9p kh\u00f4ng g\u1ec9 405 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u00e1 t\u00f4i.<\/p><p><strong>Ph\u00e2n v\u00f9ng: <\/strong>\u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh c\u1ee7a v\u1eadt li\u1ec7u cho ph\u00e9p s\u1eed d\u1ee5ng trong c\u00e1c v\u00e1ch ng\u0103n c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao.<\/p><p><strong>H\u1ec7 th\u1ed1ng x\u1ea3 \u00f4 t\u00f4: <\/strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 oxy h\u00f3a c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405 khi\u1ebfn n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn \u1ed1ng x\u1ea3 \u00f4 t\u00f4 nh\u01b0 b\u1ed9 gi\u1ea3m thanh v\u00e0 \u1ed1ng x\u1ea3.<\/p><h2 class=\"wp-block-heading\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><h3 class=\"wp-block-heading\">Thu\u1eadn l\u1ee3i<\/h3><ol class=\"wp-block-list\"><li>Ti\u1ebft ki\u1ec7m chi ph\u00ed: So v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit nh\u01b0 304 v\u00e0 316, 405 c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n do h\u00e0m l\u01b0\u1ee3ng niken th\u1ea5p h\u01a1n.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t: C\u00f3 th\u1ec3 h\u00e0n b\u1eb1ng h\u1ea7u h\u1ebft c\u00e1c k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn quy tr\u00ecnh chuy\u00ean bi\u1ec7t.<\/li>\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao: S\u1ea3n ph\u1ea9m th\u1ec3 hi\u1ec7n hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0111\u00f3ng c\u1eb7n hi\u1ec7u qu\u1ea3 ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 800\u00b0C.<\/li>\n\n<li>T\u1eeb t\u00ednh: C\u1ee7a n\u00f3 <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<\/a> l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111\u1ebfn t\u1eeb t\u00ednh.<\/li>\n\n<li>D\u1ec5 gia c\u00f4ng: T\u00ednh ch\u1ea5t m\u1ec1m v\u00e0 d\u1ec5 u\u1ed1n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 405 gi\u00fap d\u1ec5 d\u00e0ng gia c\u00f4ng v\u00e0 \u0111\u1ecbnh h\u00ecnh th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p.<\/li><\/ol><h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3><ol class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n: So v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p h\u01a1n, h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n cao.<\/li>\n\n<li>Kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t: Kh\u00f4ng gi\u1ed1ng nh\u01b0 th\u00e9p martensitic, th\u00e9p 405 kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch x\u1eed l\u00fd nhi\u1ec7t, h\u1ea1n ch\u1ebf vi\u1ec7c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n r\u1ea5t cao.<\/li><\/ol><h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 405 l\u00e0 g\u00ec?<\/h2><h3 class=\"wp-block-heading\"><strong>H\u00ecnh th\u00e0nh<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>T\u1ea1o h\u00ecnh l\u1ea1nh<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh ngu\u1ed9i, nh\u01b0ng n\u00f3 c\u00f3 <strong>\u0111\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n<\/strong> h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 austenit nh\u01b0 302 ho\u1eb7c 304. Vi\u1ec7c t\u1ea1o h\u00ecnh th\u01b0\u1eddng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i \u1ee7 sau \u0111\u00f3 \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong.<\/li>\n\n<li><strong>V\u1ebd s\u00e2u<\/strong>:M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 k\u00e9o \u0111\u01b0\u1ee3c nh\u01b0ng kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh c\u1ee7a n\u00f3 kh\u00f4ng cao b\u1eb1ng c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, do \u0111\u00f3 n\u00f3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng \u00edt ph\u1ee9c t\u1ea1p h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>H\u00e0n<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Kh\u1ea3 n\u0103ng h\u00e0n<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 405 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng h\u00e0n. N\u00f3 ch\u1ee9a th\u00eam nh\u00f4m \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t, l\u00e0m cho n\u00f3 \u00edt b\u1ecb n\u1ee9t h\u01a1n trong qu\u00e1 tr\u00ecnh h\u00e0n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng <strong>TIG<\/strong>, <strong>MIG<\/strong>, ho\u1eb7c <strong>h\u00e0n \u0111i\u1ec7n tr\u1edf<\/strong> k\u1ef9 thu\u1eadt.<\/li>\n\n<li><strong>\u1ee6 sau khi h\u00e0n<\/strong>:Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 405 do c\u1ea5u tr\u00fac ferritic c\u1ee7a n\u00f3, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t, nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t d\u01b0.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>C\u1eaft<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>C\u1eaft Laser<\/strong>: C\u1eaft laser c\u00f3 hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 405, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n m\u1ecfng. N\u00f3 cung c\u1ea5p c\u00e1c \u0111\u01b0\u1eddng c\u1eaft s\u1ea1ch v\u00e0 ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng t\u1ea1o ra nhi\u1ec1u nhi\u1ec7t.<\/li>\n\n<li><strong>C\u1eaft Plasma<\/strong>: Th\u00edch h\u1ee3p cho c\u00e1c ph\u1ea7n d\u00e0y h\u01a1n c\u1ea7n t\u1ed1c \u0111\u1ed9 c\u1eaft cao h\u01a1n, m\u1eb7c d\u00f9 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u00f9ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t.<\/li>\n\n<li><strong>C\u1eaft c\u01a1 h\u1ecdc (C\u1eaft x\u00e9n)<\/strong>:Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y hi\u1ec7u qu\u1ea3 v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 405. \u0110\u1ed9 d\u1ebbo dai t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p austenit gi\u00fap d\u1ec5 c\u1eaft h\u01a1n.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>L\u00e0m vi\u1ec7c n\u00f3ng<\/strong><\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh gia c\u00f4ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0ng c\u1ea7n c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba c\u1ee5 th\u1ec3:<\/p><ul class=\"wp-block-list\"><li><strong>R\u00e8n<\/strong>:R\u00e8n n\u00f3ng n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>1100\u00b0C \u0111\u1ebfn 1300\u00b0C (2012\u00b0F \u0111\u1ebfn 2372\u00b0F)<\/strong>. V\u1eadt li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c \u1ee7 sau khi r\u00e8n \u0111\u1ec3 ph\u1ee5c h\u1ed3i c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng gi\u00f2n.<\/li>\n\n<li><strong>C\u00e1n n\u00f3ng<\/strong>:Th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh v\u1eadt li\u1ec7u th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n, c\u00e1n n\u00f3ng gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1eb7t c\u1eaft d\u00e0y h\u01a1n.<\/li>\n\n<li><strong>Phun ra<\/strong>:Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho th\u00e9p kh\u00f4ng g\u1ec9 405 \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0ng vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh b\u1ecb gi\u00f2n.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>L\u00e0m vi\u1ec7c l\u1ea1nh<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>C\u00e1n ngu\u1ed9i<\/strong>:Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1n ngu\u1ed9i th\u00e0nh c\u00e1c ph\u1ea7n m\u1ecfng h\u01a1n, m\u1eb7c d\u00f9 \u0111\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p austenit c\u00f3 ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng d\u1ec5 t\u1ea1o h\u00ecnh trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng gia c\u00f4ng ngu\u1ed9i.<\/li>\n\n<li><strong>U\u1ed1n l\u1ea1nh<\/strong>: C\u00f3 th\u1ec3 u\u1ed1n cong \u0111\u01a1n gi\u1ea3n, nh\u01b0ng u\u1ed1n cong ph\u1ee9c t\u1ea1p h\u01a1n ho\u1eb7c u\u1ed1n cong ch\u1eb7t h\u01a1n c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t tr\u1eeb khi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u1ee7 \u0111\u00fang c\u00e1ch sau khi t\u1ea1o h\u00ecnh.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>X\u1eed l\u00fd nhi\u1ec7t<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>\u1ee6<\/strong>: Vi\u1ec7c \u1ee7 th\u00e9p kh\u00f4ng g\u1ec9 405 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>700\u00b0C v\u00e0 800\u00b0C (1292\u00b0F \u0111\u1ebfn 1472\u00b0F)<\/strong> \u0111\u1ec3 l\u00e0m m\u1ec1m v\u1eadt li\u1ec7u sau khi gia c\u00f4ng ngu\u1ed9i ho\u1eb7c \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t c\u00f2n s\u00f3t l\u1ea1i.<\/li>\n\n<li><strong>Gi\u1ea3m c\u0103ng th\u1eb3ng<\/strong>: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd gi\u1ea3m \u1ee9ng su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb <strong>150\u00b0C v\u00e0 300\u00b0C (302\u00b0F \u0111\u1ebfn 572\u00b0F)<\/strong> \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc.<\/li>\n\n<li><strong>Chu\u1ea9n h\u00f3a<\/strong>: N\u00f3i chung kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi th\u00e9p 405 v\u00ec \u0111\u00e2y v\u1ed1n l\u00e0 th\u00e9p ferritic \u1ed5n \u0111\u1ecbnh v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n h\u1ea1t h\u1ea1n ch\u1ebf trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>\u0110\u00e1nh b\u00f3ng \u0111i\u1ec7n<\/strong>:N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng \u00edt \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho th\u00e9p kh\u00f4ng g\u1ec9 ferritic nh\u01b0 405.<\/li>\n\n<li><strong>Ng\u00e2m chua v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh t\u1ea9y r\u1eeda \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n v\u00e0 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, m\u1eb7c d\u00f9 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1ed1n c\u00f3 c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i austenit.<\/li>\n\n<li><strong>\u0110\u00e1nh b\u00f3ng<\/strong>:C\u00f3 th\u1ec3 \u0111\u00e1nh b\u00f3ng c\u01a1 h\u1ecdc, m\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 ferritic nh\u01b0 405 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u00f3ng cao nh\u01b0 th\u00e9p austenitic do c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a ch\u00fang.<\/li><\/ul><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304, 410 v\u00e0 405 l\u00e0 g\u00ec?<\/h2><p>M\u1ed7i lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 304, 410 v\u00e0 405 \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t.<\/p><h3 class=\"wp-block-heading\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9 405 so v\u1edbi 410<\/strong>t\u00f4i<\/h3><ul class=\"wp-block-list\"><li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>: 405 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-410\/\">410<\/a>. 410 d\u1ec5 b\u1ecb g\u1ec9 h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 t\u00ednh \u0103n m\u00f2n.<\/li>\n\n<li><strong>L\u00e0m c\u1ee9ng<\/strong>: 410 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t, l\u00e0m cho n\u00f3 c\u1ee9ng h\u01a1n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n. 405 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng v\u00e0 m\u1ec1m h\u01a1n.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng h\u00e0n<\/strong>: Th\u00e9p 405 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t h\u01a1n, trong khi th\u00e9p 410 kh\u00f3 h\u00e0n h\u01a1n do c\u1ea5u tr\u00fac martensitic d\u1ec5 b\u1ecb n\u1ee9t.<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: 405 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i (v\u00ed d\u1ee5: b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t), trong khi 410 t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao (v\u00ed d\u1ee5: d\u1ee5ng c\u1ee5 c\u1eaft, l\u00f2 xo).<\/li><\/ul><h3 class=\"wp-block-heading\"><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 405<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>: <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">304<\/a> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi 405, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t (c\u00f3 t\u00ednh axit ho\u1eb7c gi\u00e0u clorua). 405 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n \u00edt kh\u1eaft khe h\u01a1n.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng h\u00e0n<\/strong>:C\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c, nh\u01b0ng 304 d\u1ec5 h\u00e0n h\u01a1n v\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh. 405 c\u00f3 th\u00eam nh\u00f4m \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t trong qu\u00e1 tr\u00ecnh h\u00e0n.<\/li>\n\n<li><strong>Tr\u1ecb gi\u00e1<\/strong>:405 th\u01b0\u1eddng r\u1ebb h\u01a1n 304 do h\u00e0m l\u01b0\u1ee3ng niken th\u1ea5p h\u01a1n.<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>:304 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n h\u01a1n nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, th\u00f9ng ch\u1ee9a h\u00f3a ch\u1ea5t, trong khi 405 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u1ee9c trung b\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4.<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h2><p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 405 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 t\u1eeb t\u00ednh nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y l\u00e0 do n\u00f3 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 ferritic, th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 s\u1eaft, crom v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf niken. C\u1ea5u tr\u00fac n\u00e0y l\u00e0m cho n\u00f3 th\u1ec3 hi\u1ec7n m\u1ed9t m\u1ee9c \u0111\u1ed9 t\u1eeb t\u00ednh nh\u1ea5t \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.&nbsp;<\/p><h2 class=\"wp-block-heading\">Nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 405<\/h2><p>SteelPRO Group l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p th\u00e9p kh\u00f4ng g\u1ec9 405, cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng \u0111\u1eb7c bi\u1ec7t.<\/p><p><strong>Ph\u1ea1m vi s\u1ea3n ph\u1ea9m m\u1edf r\u1ed9ng: <\/strong>SteelPRO Group cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1ea3n ph\u1ea9m th\u00e9p kh\u00f4ng g\u1ec9 405, bao g\u1ed3m t\u1ea5m, l\u00e1, cu\u1ed9n, thanh v\u00e0 \u1ed1ng, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u t\u00f9y ch\u1ec9nh kh\u00e1c nhau.<\/p><p><strong>\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> S\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 ASTM, JIS v\u00e0 DIN, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng nh\u1ea5t. SteelPRO Group \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn ISO 9001, \u0111\u1ea3m b\u1ea3o quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1ng nh\u1ea5t.<\/p><p><strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt:<\/strong> \u0110\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m th\u00e9p kh\u00f4ng g\u1ec9 405 ph\u00f9 h\u1ee3p nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p h\u1ed7 tr\u1ee3 sau b\u00e1n h\u00e0ng to\u00e0n di\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n di\u1ec5n ra su\u00f4n s\u1ebb.<\/p><p><strong>Giao h\u00e0ng \u0111\u00fang h\u1eb9n: <\/strong>T\u1eadp \u0111o\u00e0n SteelPRO c\u00f3 m\u1ea1ng l\u01b0\u1edbi cung \u1ee9ng to\u00e0n c\u1ea7u v\u1eefng ch\u1eafc, cho ph\u00e9p ch\u00fang t\u00f4i ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p h\u1eadu c\u1ea7n nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p><p>Ch\u00e0o m\u1eebng \u0111\u1ebfn v\u1edbi <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7<\/a> T\u1eadp \u0111o\u00e0n SteelPRO s\u1ebd kh\u00e1m ph\u00e1 to\u00e0n b\u1ed9 d\u00f2ng s\u1ea3n ph\u1ea9m th\u00e9p kh\u00f4ng g\u1ec9 c\u1ee7a ch\u00fang t\u00f4i.<\/p>","protected":false},"excerpt":{"rendered":"<p>Here we introduce the chemical composition, characteristics, applications, advantages and disadvantages, processing methods of 405 stainless steel, and its differences [&hellip;]<\/p>","protected":false},"author":1,"featured_media":10928,"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 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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-10952","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\/10952","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=10952"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10952\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/10928"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=10952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=10952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=10952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}