{"id":11752,"date":"2024-10-21T07:49:00","date_gmt":"2024-10-20T23:49:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=11752"},"modified":"2024-11-21T11:40:55","modified_gmt":"2024-11-21T03:40:55","slug":"grade-616","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-616\/","title":{"rendered":"H\u1ee3p kim 616 | AISI 616 | Th\u00e9p kh\u00f4ng g\u1ec9 AISI 422"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616 l\u00e0 h\u1ee3p kim martensitic \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. Trong blog n\u00e0y, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616. Ch\u00fang t\u00f4i c\u0169ng n\u00eau b\u1eadt nh\u1eefng \u01b0u \u0111i\u1ec3m, h\u1ea1n ch\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3, gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn nh\u1eefng l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 616 l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 AISI 616, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 H\u1ee3p kim 616 ho\u1eb7c UNS S42200, l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 martensitic. N\u00f3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t. AISI 616 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao, duy tr\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh l\u00ean \u0111\u1ebfn 1200\u00b0F. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c, tua bin h\u01a1i n\u01b0\u1edbc v\u00e0 bu l\u00f4ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao.<\/p><h2 class=\"wp-block-heading\">616 Th\u00e9p kh\u00f4ng g\u1ec9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (AMS 5655)<\/h2><ul class=\"wp-block-list\"><li>AISI 422<\/li>\n\n<li>UNS S42200<\/li>\n\n<li>ASTM A565 C\u1ea5p 616<\/li>\n\n<li>Ti\u00eau chu\u1ea9n EN 1.4935<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616<\/h2><p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>Fe<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>T\u00f4i<\/strong><\/td><td><strong>T<\/strong><\/td><td><strong>V<\/strong><\/td><td><strong>C<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>P<\/strong><\/td><td><strong>S<\/strong><\/td><td><strong>Ni<\/strong><\/td><\/tr><tr><td><strong>kh\u1ed1i l\u01b0\u1ee3ng (%)<\/strong><\/td><td>81.9-85.8<\/td><td>11.0-12.5<\/td><td>0.9-1.25<\/td><td>0.9-1.25<\/td><td>0.2-0.3<\/td><td>0.20-0.25<\/td><td>0.5-1.0<\/td><td>0-0.5<\/td><td>0-0.025<\/td><td>0-0.025<\/td><td>0.5-1.0<\/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 616<\/h2><p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng li\u1ec7t k\u00ea c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,9g\/cm\u00b3<\/td><td>490 lb\/ft\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1480-1510 \u00b0C<\/td><td>2700-2750 \u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>24 W\/m\u00b7K<\/td><td>14 BTU\/gi\u1edd\u00b7ft\u00b7\u00b0F<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>10 \u00b5m\/m\u00b7K<\/td><td>&#8211;<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td><td>4.7% IACS<\/td><td>5.3% IACS cho tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang<\/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 616<\/h2><p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u00f3m t\u1eaft c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>910-1080 MPa (130-160 ksi)<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>670-870 MPa (97-130 ksi)<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Brinell<\/td><td>260-330<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Rockwell<\/td><td>21<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Vickers<\/td><td>223<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>15-17%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>200 GPa (28 x 10\u2076 psi)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">C\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616<\/h2><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h3><p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00e0 \u0111\u1eb7c t\u00ednh quan tr\u1ecdng nh\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao. N\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf 1200\u00b0F (650\u00b0C) m\u00e0 kh\u00f4ng b\u1ecb m\u1ea5t \u0111\u1ed9 b\u1ec1n. H\u00e0m l\u01b0\u1ee3ng crom v\u00e0 molypden c\u1ee7a n\u00f3 gi\u00fap ch\u1ed1ng l\u1ea1i s\u1ef1 \u0111\u00f3ng c\u1eb7n v\u00e0 oxy h\u00f3a, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t. N\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 tua-bin v\u00e0 \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c.<\/p><h3 class=\"wp-block-heading\">Ch\u1ed1ng \u0103n m\u00f2n<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616, cung c\u1ea5p v\u1eeba ph\u1ea3i <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/corrosion-resistant\/\">kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/a>. H\u00e0m l\u01b0\u1ee3ng crom (11-12,5%) gi\u00fap b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kh\u1ecfi r\u1ec9 s\u00e9t v\u00e0 \u0111\u00f3ng c\u1eb7n trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u1eb9. Nh\u01b0ng n\u00f3 kh\u00f4ng b\u1ec1n b\u1eb1ng c\u00e1c lo\u1ea1i kh\u00e1c nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 316\u200b<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616 c\u00f3 kh\u1ea3 n\u0103ng gia c\u00f4ng v\u1eeba ph\u1ea3i. M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 gia c\u00f4ng v\u00e0 \u0111\u1ecbnh h\u00ecnh, nh\u01b0ng kh\u00f3 gia c\u00f4ng h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit do \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n cao h\u01a1n.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616<\/h2><p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616 ch\u1ee7 y\u1ebfu l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao. Sau \u0111\u00e2y l\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a n\u00f3:<\/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><td><strong>\u0110\u1eb7c tr\u01b0ng<\/strong><\/td><\/tr><tr><td>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td><td>C\u00e1nh tuabin<\/td><td>\u0110\u1ed9 b\u1ec1n cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td><\/tr><tr><td>\u00d4 t\u00f4<\/td><td>H\u1ec7 th\u1ed1ng x\u1ea3<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>N\u0103ng l\u01b0\u1ee3ng<\/td><td>Van<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n<\/td><\/tr><tr><td>D\u1ea7u kh\u00ed<\/td><td>Linh ki\u1ec7n m\u00e1y b\u01a1m<\/td><td>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>Ch\u1ebf t\u1ea1o<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c<\/td><td>Kh\u1ea3 n\u0103ng l\u00e0m c\u1ee9ng<\/td><\/tr><tr><td>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/td><td>M\u1ed1i n\u1ed1i bu l\u00f4ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/td><td>\u0110\u1ed9 b\u1ec1n cao, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616<\/h2><p class=\"wp-block-paragraph\">Sau \u0111\u00e2y l\u00e0 nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616:<\/p><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao<\/li><\/ul><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 1200\u00b0F (650\u00b0C), l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 c\u00e1nh tua-bin, \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 kh\u00e1c.<\/p><ul class=\"wp-block-list\"><li>S\u1ee9c m\u1ea1nh c\u01a1 h\u1ecdc t\u1ed1t<\/li><\/ul><p class=\"wp-block-paragraph\">H\u1ee3p kim n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ea3y tuy\u1ec7t v\u1eddi, duy tr\u00ec hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc trong c\u1ea3 m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/p><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t<\/li><\/ul><p class=\"wp-block-paragraph\">Do c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 sau khi x\u1eed l\u00fd nhi\u1ec7t, th\u00e9p kh\u00f4ng g\u1ec9 616 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ma s\u00e1t cao.<\/p><p class=\"wp-block-paragraph\">Sau \u0111\u00e2y l\u00e0 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 616:<\/p><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf<\/li><\/ul><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u1ee9c trung b\u00ecnh do c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n cao ho\u1eb7c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<\/p><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng gia c\u00f4ng kh\u00f3 kh\u0103n sau khi t\u00f4i c\u1ee9ng<\/li><\/ul><p class=\"wp-block-paragraph\">Sau khi \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t, th\u00e9p kh\u00f4ng g\u1ec9 616 tr\u1edf n\u00ean r\u1ea5t c\u1ee9ng, khi\u1ebfn vi\u1ec7c gia c\u00f4ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n. C\u1ea7n c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 k\u1ef9 thu\u1eadt chuy\u00ean d\u1ee5ng \u0111\u1ec3 c\u1eaft ho\u1eb7c \u0111\u1ecbnh h\u00ecnh hi\u1ec7u qu\u1ea3 \u1edf tr\u1ea1ng th\u00e1i c\u1ee9ng n\u00e0y. Tuy nhi\u00ean, d\u1ec5 gia c\u00f4ng h\u01a1n \u1edf tr\u1ea1ng th\u00e1i \u1ee7.<\/p><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c l\u1ea1nh h\u1ea1n ch\u1ebf<\/li><\/ul><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616 kh\u00f3 b\u1ecb bi\u1ebfn d\u1ea1ng qua c\u00e1c quy tr\u00ecnh gia c\u00f4ng ngu\u1ed9i (nh\u01b0 c\u00e1n ngu\u1ed9i ho\u1eb7c t\u1ea1o h\u00ecnh), \u0111\u1eb7c bi\u1ec7t l\u00e0 sau khi \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t. \u0110\u1ed9 c\u1ee9ng cao c\u1ee7a v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh ho\u1eb7c t\u1ea1o h\u00ecnh trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh.<\/p><h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 616<\/h2><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c n\u00f3ng<\/h3><p class=\"wp-block-paragraph\">L\u00e0m vi\u1ec7c n\u00f3ng l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng v\u00e0 \u0111\u1ecbnh h\u00ecnh kim lo\u1ea1i \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u0111i\u1ec3m k\u1ebft tinh l\u1ea1i c\u1ee7a ch\u00fang, cho ph\u00e9p d\u1ec5 d\u00e0ng \u0111\u1ecbnh h\u00ecnh v\u1eadt li\u1ec7u m\u00e0 kh\u00f4ng b\u1ecb v\u1ee1.<\/p><h4 class=\"wp-block-heading\">R\u00e8n<\/h4><p class=\"wp-block-paragraph\">L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 1700-2150\u00b0F (927-1177\u00b0C) v\u00e0 n\u00e9n b\u1eb1ng b\u00faa ho\u1eb7c m\u00e1y \u00e9p.&nbsp;<\/p><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ecbnh h\u00ecnh c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p nh\u01b0 c\u00e1nh tuabin v\u00e0 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac h\u1ea1t th\u00e9p.<\/p><h4 class=\"wp-block-heading\">L\u0103n<\/h4><p class=\"wp-block-paragraph\">L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn c\u00f9ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 cho qua c\u00e1c con l\u0103n \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 d\u00e0y, t\u1ea1o th\u00e0nh d\u1ea1ng t\u1ea5m ho\u1eb7c thanh.&nbsp;<\/p><p class=\"wp-block-paragraph\">C\u00e1n gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tinh x\u1ea3o c\u1ee7a h\u1ea1t v\u1eadt li\u1ec7u.<\/p><h4 class=\"wp-block-heading\">\u0110\u00f9n<\/h4><p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 1700-2150\u00b0F (927-1177\u00b0C), th\u00e9p \u0111\u01b0\u1ee3c \u0111\u1ea9y qua khu\u00f4n \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u1ed3ng nh\u1ea5t nh\u01b0 thanh ho\u1eb7c \u1ed1ng.&nbsp;<\/p><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p h\u01a1n m\u00e0 kh\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1c quy tr\u00ecnh th\u00f4ng th\u01b0\u1eddng.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t<\/h3><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 616 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.&nbsp;<\/p><h4 class=\"wp-block-heading\">\u1ee6<\/h4><p class=\"wp-block-paragraph\">L\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn 790-850\u00b0C (1450-1560\u00b0F) v\u00e0 gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c gia nhi\u1ec7t \u0111\u1ec1u. Sau \u0111\u00f3 l\u00e0m ngu\u1ed9i t\u1eeb t\u1eeb trong kh\u00f4ng kh\u00ed.&nbsp;<\/p><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 l\u00e0m m\u1ec1m th\u00e9p, gi\u00fap gia c\u00f4ng d\u1ec5 d\u00e0ng h\u01a1n<\/p><h4 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h4><p class=\"wp-block-paragraph\">Nung th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u00f4i 1000-1065\u00b0C.<\/p><p class=\"wp-block-paragraph\">Khi th\u00e9p \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 mong mu\u1ed1n, c\u1ea7n ph\u1ea3i l\u00e0m ngu\u1ed9i nhanh b\u1eb1ng d\u1ea7u ho\u1eb7c kh\u00f4ng kh\u00ed, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y c\u1ee7a chi ti\u1ebft. C\u00e1c chi ti\u1ebft d\u00e0y h\u01a1n th\u01b0\u1eddng c\u1ea7n l\u00e0m ngu\u1ed9i b\u1eb1ng d\u1ea7u \u0111\u1ec3 l\u00e0m ngu\u1ed9i \u0111\u1ee7 nhanh.<\/p><h4 class=\"wp-block-heading\">L\u00e0m ngu\u1ed9i<\/h4><p class=\"wp-block-paragraph\">L\u00e0m n\u00f3ng l\u1ea1i \u0111\u1ebfn 540-650\u00b0C (1000-1200\u00b0F) t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n mong mu\u1ed1n. Gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 n\u00e0y trong m\u1ed9t th\u1eddi gian quy \u0111\u1ecbnh, sau \u0111\u00f3 l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed.<\/p><p class=\"wp-block-paragraph\">Sau khi t\u00f4i, th\u00e9p r\u1ea5t gi\u00f2n v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c ram \u0111\u1ec3 ph\u1ee5c h\u1ed3i \u0111\u1ed9 d\u1ebbo dai.<\/p><h4 class=\"wp-block-heading\">Gi\u1ea3m c\u0103ng th\u1eb3ng<\/h4><p class=\"wp-block-paragraph\">Sau khi l\u00e0m c\u1ee9ng, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p gi\u1ea3m \u1ee9ng su\u1ea5t b\u1eb1ng c\u00e1ch nung n\u00f3ng t\u1edbi 200-300\u00b0C (390-570\u00b0F) \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t c\u00f2n l\u1ea1i.<\/p><h3 class=\"wp-block-heading\">M\u00e1y m\u00f3c<\/h3><p class=\"wp-block-paragraph\">C\u00e1c quy tr\u00ecnh bao g\u1ed3m ti\u1ec7n, phay v\u00e0 khoan \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng mong mu\u1ed1n.&nbsp;<\/p><p class=\"wp-block-paragraph\">\u0110\u1ec3 gia c\u00f4ng AISI 422, n\u00ean s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u1eaft cacbua ho\u1eb7c d\u1ee5ng c\u1ee5 c\u00f3 l\u1edbp ph\u1ee7 nh\u01b0 TiN ho\u1eb7c TiAlN v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u1ea3m ma s\u00e1t.<\/p><p class=\"wp-block-paragraph\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng c\u1eaft, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t.<\/p><h2 class=\"wp-block-heading\">B\u1ea3n t\u00f3m t\u1eaft<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 616, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 AISI 422, l\u00e0 h\u1ee3p kim \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho tua-bin, \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<\/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\u00e1 nh\u00e2n. Ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t cho c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n!<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 616 l\u00e0 h\u1ee3p kim martensitic \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao. Trong blog n\u00e0y, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 [\u2026]<\/p>","protected":false},"author":1,"featured_media":11751,"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-11752","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\/11752","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=11752"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/11752\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/11751"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=11752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=11752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=11752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}