{"id":8822,"date":"2024-08-29T06:05:00","date_gmt":"2024-08-28T22:05:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=8822"},"modified":"2025-02-17T19:02:34","modified_gmt":"2025-02-17T11:02:34","slug":"grade-303","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-303\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 303: T\u00ednh ch\u1ea5t, c\u00f4ng d\u1ee5ng v\u00e0 \u01b0u \u0111i\u1ec3m"},"content":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 303 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec kh\u1ea3 n\u0103ng gia c\u00f4ng tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u00e1ng tin c\u1eady. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00f2i h\u1ecfi gia c\u00f4ng ch\u00ednh x\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ee5 ki\u1ec7n v\u00e0 \u1ed1c v\u00edt. B\u00e0i vi\u1ebft n\u00e0y th\u1ea3o lu\u1eadn v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 303, bao g\u1ed3m th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u1ee7a n\u00f3.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 303, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 AISI 303, thu\u1ed9c h\u1ecd <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/type\/austenitic\/\">th\u00e9p kh\u00f4ng g\u1ec9 austenit<\/a>. N\u00f3 bao g\u1ed3m kho\u1ea3ng 70% s\u1eaft, 18% crom, 8% niken v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf l\u01b0u hu\u1ef3nh. L\u01b0u hu\u1ef3nh c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 l\u00e0m gi\u1ea3m nh\u1eb9 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c v\u00e0 ph\u1ee5 ki\u1ec7n nh\u00e0 b\u1ebfp.<\/p><h2 class=\"wp-block-heading\">T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Qu\u1ed1c gia\/Khu v\u1ef1c<\/td><td>Ti\u00eau chu\u1ea9n\/\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/td><td>L\u1edbp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/td><\/tr><tr><td>Trung Qu\u1ed1c<\/td><td>Ti\u00eau chu\u1ea9n GB\/T 1220, GB\/T 20878<\/td><td>06Cr19Ni10S (ho\u1eb7c 303)<\/td><\/tr><tr><td>Hoa K\u1ef3<\/td><td>Ti\u00eau chu\u1ea9n ASTM A276, Ti\u00eau chu\u1ea9n ASTM A581, Ti\u00eau chu\u1ea9n ASTM A582<\/td><td>303<\/td><\/tr><tr><td>Li\u00ean minh ch\u00e2u \u00c2u<\/td><td>EN 10088-3<\/td><td>X8CrNiS18-9 (1.4305)<\/td><\/tr><tr><td>\u0110\u1ee9c<\/td><td>Ti\u00eau chu\u1ea9n DIN EN 10088-3<\/td><td>X8CrNiS18-9<\/td><\/tr><tr><td>Nh\u1eadt B\u1ea3n<\/td><td>Ti\u00eau chu\u1ea9n JIS G4303<\/td><td>SUS303<\/td><\/tr><tr><td>Anh<\/td><td>Ti\u00eau chu\u1ea9n Anh EN 10088-3<\/td><td>303S21<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Nh\u00f3m th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><p>303Se<\/p><p>Bi\u1ebfn th\u1ec3 n\u00e0y bao g\u1ed3m selen trong th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3. \u0110i\u1ec1u \u0111\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 cho ph\u00e9p ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. N\u00f3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c quy tr\u00ecnh ti\u1ec7n v\u00e0 phay c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u00f2i h\u1ecfi ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u01b0\u1ee3t tr\u1ed9i.&nbsp;<\/p><p>303Cu<\/p><p>Trong bi\u1ebfn th\u1ec3 n\u00e0y, \u0111\u1ed3ng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u00e0nh ph\u1ea7n \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng h\u01a1n n\u1eefa. Ngo\u00e0i ra, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a \u0111\u1ed3ng gi\u00fap ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n m\u1ed9t ch\u00fat v\u00e0 t\u0103ng \u0111\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u.<\/p><p>303XLD (Carbon c\u1ef1c th\u1ea5p)<\/p><p>Bi\u1ebfn th\u1ec3 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng m\u00e0 v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t. \u0110\u1ed3ng th\u1eddi, n\u00f3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng gia c\u00f4ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 ti\u00eau chu\u1ea9n.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 l\u00e0 g\u00ec?<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td>Y\u1ebfu t\u1ed1<\/td><td>C<\/td><td>Si<\/td><td>Mn<\/td><td>P<\/td><td>S<\/td><td>Cr<\/td><td>Ni<\/td><td>N<\/td><\/tr><tr><td>wt%<\/td><td>\u22640,15<\/td><td>\u22641,00<\/td><td>\u22642,00<\/td><td>\u22640,20<\/td><td>\u22650,15<\/td><td>17-19<\/td><td>8-10<\/td><td>\u22640,11<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 <\/h2><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/h3><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>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>190-450MPa<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>500-750MPa<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Brinell (HB)<\/td><td>190-240 HB<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Rockwell (HRC)<\/td><td>48-58 HRC<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Vickers (HV)<\/td><td>190-240 HV<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>35-50%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>190-210 GPa<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u1eeba ph\u1ea3i. \u0110\u1ed9 c\u1ee9ng Brinell (HB) \u0111i\u1ec3n h\u00ecnh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 n\u1eb1m trong kho\u1ea3ng t\u1eeb 160 \u0111\u1ebfn 190. M\u1eb7c d\u00f9 \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 kh\u00f4ng th\u1ec3 t\u0103ng l\u00ean th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t, nh\u01b0ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00f4i ch\u00fat b\u1eb1ng c\u00e1ch gia c\u00f4ng ngu\u1ed9i.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<\/strong><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/hardness\/\">\u0110\u1ed9 c\u1ee9ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111i\u1ec3n h\u00ecnh kho\u1ea3ng 205 MPa (30.000 psi). N\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u1eeba ph\u1ea3i v\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t h\u01a1n l\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/h3><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 (Metric\/Imperial)<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,90 g\/cm\u00b3 (0,285 lb\/in\u00b3)<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1400-1450 \u00b0C (2552-2642 \u00b0F)<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>16,3 W\/m\u00b7K (113 BTU\/ft\u00b7h\u00b7\u00b0F)<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>17,3 \u00b5m\/m\u00b7\u00b0C (9,61 \u00b5in\/in\u00b7\u00b0F)<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td><td>1,4 x 10\u2076 S\/m (2,4% IACS)<\/td><\/tr><\/tbody><\/table><\/figure><h4 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h4><p>Th\u00e9p kh\u00f4ng g\u1ec9 s\u1ed1 303 th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n \u1ee7. \u0110i\u1ec1u n\u00e0y l\u00e0 \u0111i\u1ec3n h\u00ecnh \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 austenit.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<\/strong><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/a><\/p><h3 class=\"wp-block-heading\">Ch\u1ed1ng \u0103n m\u00f2n<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 cung c\u1ea5p t\u1ed1t <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/corrosion-resistant\/\">kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/a>. N\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng ti\u1ebfp x\u00fac nh\u1eb9 v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n v\u00e0 axit y\u1ebfu. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu c\u1ee7a n\u00f3 th\u1ea5p h\u01a1n c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nh\u01b0 304. B\u1edfi v\u00ec n\u00f3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng gia c\u00f4ng nh\u01b0ng l\u1ea1i d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua ho\u1eb7c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n. N\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng nh\u01b0ng kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t ho\u1eb7c \u0103n m\u00f2n cao.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t&nbsp;<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 870\u00b0C (1600\u00b0F) khi s\u1eed d\u1ee5ng kh\u00f4ng li\u00ean t\u1ee5c v\u00e0 l\u00ean \u0111\u1ebfn 925\u00b0C (1700\u00b0F) khi s\u1eed d\u1ee5ng li\u00ean t\u1ee5c. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a n\u00f3 \u1edf m\u1ee9c trung b\u00ecnh. Do \u0111\u00f3, n\u00f3 kh\u00f4ng l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao. C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nh\u01b0 304 ho\u1eb7c 316 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2><p>B\u1ea3ng n\u00e0y ph\u00e1c th\u1ea3o c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f9ng v\u1edbi l\u00fd do n\u00f3 \u0111\u01b0\u1ee3c ch\u1ecdn cho nh\u1eefng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng n\u00e0y.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td><strong>L\u00fd do<\/strong><\/td><\/tr><tr><td>V\u00edt, Bu l\u00f4ng v\u00e0 \u0110ai \u1ed1c<\/td><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng cao<\/td><\/tr><tr><td>Tr\u1ee5c v\u00e0 b\u00e1nh r\u0103ng<\/td><td>Ho\u00e0n thi\u1ec7n m\u1ecbn m\u00e0ng v\u00e0 ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>Ph\u1ee5 ki\u1ec7n<\/td><td>Gia c\u00f4ng ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>Linh ki\u1ec7n van<\/td><td>L\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p<\/td><\/tr><tr><td>Linh ki\u1ec7n \u0111i\u1ec7n<\/td><td>D\u1ec5 gia c\u00f4ng<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 l\u00e0 g\u00ec?<\/h2><p>\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303 nh\u01b0 sau.<\/p><p><strong>Kh\u1ea3 n\u0103ng gia c\u00f4ng tuy\u1ec7t v\u1eddi<\/strong>:Th\u00e9p kh\u00f4ng g\u1ec9 303 r\u1ea5t d\u1ec5 gia c\u00f4ng, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t<\/strong>: Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng \u00f4n h\u00f2a, ch\u1ed1ng g\u1ec9 v\u00e0 \u0103n m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n h\u00e0ng ng\u00e0y.<\/p><p><strong>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n m\u1ecbn<\/strong>:V\u1eadt li\u1ec7u n\u00e0y cho ph\u00e9p t\u1ea1o ra l\u1edbp ho\u00e0n thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n tr\u00f4ng \u0111\u1eb9p v\u00e0 v\u1eeba v\u1eb7n.<\/p><p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n<\/strong>:N\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nh\u01b0 304 ho\u1eb7c 316, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><p><strong>Kh\u1ea3 n\u0103ng h\u00e0n k\u00e9m<\/strong>:L\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c th\u00eam v\u00e0o l\u00e0m cho th\u00e9p 303 \u00edt th\u00edch h\u1ee3p \u0111\u1ec3 h\u00e0n h\u01a1n v\u00ec n\u00f3 c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t.<\/p><p><strong>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh h\u1ea1n ch\u1ebf<\/strong>: Th\u00e9p kh\u00f4ng g\u1ec9 303 k\u00e9m linh ho\u1ea1t h\u01a1n c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, khi\u1ebfn vi\u1ec7c u\u1ed1n cong ho\u1eb7c t\u1ea1o th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/p><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><h3 class=\"wp-block-heading\">\u1ee6<\/h3><p>Trong qu\u00e1 tr\u00ecnh \u1ee7, th\u00e9p kh\u00f4ng g\u1ec9 303 ph\u1ea3i \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn kho\u1ea3ng 1010-1120\u00b0C (1850-2050\u00b0F) v\u00e0 sau \u0111\u00f3 l\u00e0m ngu\u1ed9i nhanh. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p><p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 tr\u00e1nh ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1eeb 400-850\u00b0C (750-1560\u00b0F). V\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1ea1y c\u1ea3m, khi\u1ebfn th\u00e9p d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n.<\/p><h3 class=\"wp-block-heading\">L\u00e0m c\u1ee9ng<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t v\u00ec n\u00f3 l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 austenit. \u0110\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t th\u00f4ng qua l\u00e0m ngu\u1ed9i, kh\u00f4ng ph\u1ea3i b\u1eb1ng x\u1eed l\u00fd nhi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">Gi\u1ea3m c\u0103ng th\u1eb3ng<\/h3><p>N\u1ebfu c\u1ea7n gi\u1ea3m \u1ee9ng su\u1ea5t, th\u01b0\u1eddng th\u00ec ph\u1ea3i l\u00e0m n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n, kho\u1ea3ng 400-600\u00b0C (750-1110\u00b0F), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i c\u00f3 ki\u1ec3m so\u00e1t. Tuy nhi\u00ean, ph\u1ea3i c\u1ea9n th\u1eadn kh\u00f4ng \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 m\u1ee9c n\u00e0y qu\u00e1 l\u00e2u v\u00ec c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 gia c\u00f4ng n\u00f3ng<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 th\u1ec3 gia c\u00f4ng n\u00f3ng, nh\u01b0ng c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u1ea9n th\u1eadn. Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gia c\u00f4ng n\u00f3ng l\u00e0 t\u1eeb 950\u00b0C \u0111\u1ebfn 1200\u00b0C (1742\u00b0F \u0111\u1ebfn 2192\u00b0F). L\u00e0m n\u00f3ng tr\u00ean ph\u1ea1m vi n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn h\u1ea1t ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c trong khi gia c\u00f4ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ee9t. <\/p><p>Sau khi gia c\u00f4ng n\u00f3ng, n\u00ean \u1ee7 v\u1eadt li\u1ec7u \u0111\u1ec3 ph\u1ee5c h\u1ed3i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 gia c\u00f4ng ngu\u1ed9i<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 kh\u00f4ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gia c\u00f4ng ngu\u1ed9i do h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh cao h\u01a1n. Khi gia c\u00f4ng ngu\u1ed9i, n\u00f3 c\u00f3 th\u1ec3 gi\u00f2n h\u01a1n v\u00e0 d\u1ec5 n\u1ee9t. C\u00f3 th\u1ec3 gia c\u00f4ng ngu\u1ed9i v\u1edbi l\u01b0\u1ee3ng nh\u1ecf, nh\u01b0ng n\u00ean h\u1ea1n ch\u1ebf \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng.<\/p><h2 class=\"wp-block-heading\">C\u1eaft th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><h3 class=\"wp-block-heading\">D\u1ee5ng c\u1ee5 m\u00e0i m\u00f2n<\/h3><p>L\u01b0u hu\u1ef3nh b\u1ed5 sung trong th\u00e9p kh\u00f4ng g\u1ec9 303 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gia c\u00f4ng nh\u01b0ng c\u00f3 th\u1ec3 khi\u1ebfn d\u1ee5ng c\u1ee5 b\u1ecb m\u00f2n nhanh h\u01a1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 s\u1eafc b\u00e9n, ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 theo d\u00f5i ch\u00fang th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p><h3 class=\"wp-block-heading\">T\u1ed1c \u0111\u1ed9 c\u1eaft<\/h3><p>M\u1eb7c d\u00f9 303 d\u1ec5 gia c\u00f4ng h\u01a1n c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, nh\u01b0ng vi\u1ec7c duy tr\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u1eaft qu\u00e1 nhanh c\u00f3 th\u1ec3 l\u00e0m qu\u00e1 nhi\u1ec7t v\u00e0 l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u trong khi c\u1eaft qu\u00e1 ch\u1eadm c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn qu\u00e1 tr\u00ecnh gia c\u00f4ng kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/p><h3 class=\"wp-block-heading\">Ki\u1ec3m so\u00e1t Chip<\/h3><p>L\u01b0u hu\u1ef3nh trong 303 gi\u00fap ph\u00e1 v\u1ee1 phoi trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, nh\u01b0ng v\u1eabn c\u1ea7n ph\u1ea3i qu\u1ea3n l\u00fd vi\u1ec7c lo\u1ea1i b\u1ecf phoi c\u1ea9n th\u1eadn. N\u1ebfu phoi t\u00edch t\u1ee5, ch\u00fang c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ho\u1eb7c d\u1ee5ng c\u1ee5 c\u1eaft.<\/p><h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t<\/h3><p>S\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m m\u00e1t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho v\u1eadt li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5 m\u00e1t trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh qu\u00e1 nhi\u1ec7t, c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5.<\/p><h2 class=\"wp-block-heading\">H\u00e0n th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 kh\u00f4ng l\u00fd t\u01b0\u1edfng \u0111\u1ec3 h\u00e0n v\u00ec h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh c\u1ee7a n\u00f3. L\u01b0u hu\u1ef3nh c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n k\u00e9m. N\u1ebfu c\u1ea7n h\u00e0n, t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt h\u00e0n chuy\u00ean d\u1ee5ng. C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n cho <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/welding\/\">h\u00e0n<\/a>.<\/p><h2 class=\"wp-block-heading\">303 Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ecbnh h\u00ecnh<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 \u00edt d\u1ebbo h\u01a1n c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c, ngh\u0129a l\u00e0 kh\u00f3 u\u1ed1n cong ho\u1eb7c \u0111\u1ecbnh h\u00ecnh h\u01a1n. Kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh h\u00ecnh ho\u1eb7c u\u1ed1n cong \u0111\u00e1ng k\u1ec3.<\/p><h2 class=\"wp-block-heading\">So s\u00e1nh th\u00e9p kh\u00f4ng g\u1ec9 303 v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 VS 304<\/h3><ul class=\"wp-block-list\"><li>303 ch\u1ee9a th\u00eam l\u01b0u hu\u1ef3nh. N\u00f3 gi\u00fap gi\u1ea3m ma s\u00e1t trong qu\u00e1 tr\u00ecnh c\u1eaft v\u00e0 khoan. V\u00ec v\u1eady, th\u00e9p kh\u00f4ng g\u1ec9 303 d\u1ec5 gia c\u00f4ng h\u01a1n <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grade-304\/\">304<\/a>.<\/li>\n\n<li>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n 304. L\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c th\u00eam v\u00e0o 303 l\u00e0m gi\u1ea3m nh\u1eb9 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3. 304 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nh\u1eefng m\u00f4i tr\u01b0\u1eddng c\u00f3 nguy c\u01a1 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, h\u00f3a ch\u1ea5t ho\u1eb7c mu\u1ed1i.<\/li>\n\n<li>Th\u00e9p kh\u00f4ng g\u1ec9 304 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n. H\u00e0n 304 kh\u00f4ng y\u00eau c\u1ea7u b\u1ea5t k\u1ef3 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1eb7c bi\u1ec7t n\u00e0o. N\u00f3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau khi h\u00e0n.<\/li>\n\n<li>304 linh ho\u1ea1t h\u01a1n. N\u00f3 ph\u00f9 h\u1ee3p cho thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 th\u1eadm ch\u00ed c\u1ea3 thi\u1ebft b\u1ecb y t\u1ebf.&nbsp;<\/li><\/ul><p><\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 so v\u1edbi 316<\/h3><ul class=\"wp-block-list\"><li><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-316\/\">316<\/a> ch\u1ee9a molypden, gi\u00fap b\u1ea3o v\u1ec7 ch\u1ed1ng g\u1ec9 v\u00e0 r\u1ed7. V\u00ec v\u1eady, 316 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n.<\/li>\n\n<li>316 c\u00f3 \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n v\u00e0 303 ch\u1ee9a th\u00eam l\u01b0u hu\u1ef3nh. V\u00ec v\u1eady, 316 kh\u00f3 gia c\u00f4ng h\u01a1n.<\/li>\n\n<li>316 th\u00edch h\u1ee3p h\u01a1n cho h\u00e0n. N\u00f3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau khi h\u00e0n. 303 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch cho h\u00e0n. B\u1edfi v\u00ec h\u00e0m l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t v\u00e0 l\u00e0m y\u1ebfu m\u1ed1i h\u00e0n.<\/li>\n\n<li>316 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng h\u1ea3i, h\u00f3a ch\u1ea5t v\u00e0 y t\u1ebf. 303 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng \u00edt \u0103n m\u00f2n.<\/li><\/ul><h2 class=\"wp-block-heading\">Nh\u1eefng \u0111i\u1ec1u kh\u00e1c v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 303<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p 303 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 th\u1ec3 ch\u1ed1ng g\u1ec9 trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng. Tuy nhi\u00ean, n\u00f3 c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng b\u1ecb g\u1ec9 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, nh\u01b0 n\u01a1i c\u00f3 \u0111\u1ed9 \u1ea9m cao, mu\u1ed1i ho\u1eb7c axit. V\u00ec v\u1eady, m\u1eb7c d\u00f9 kh\u00f4ng d\u1ec5 b\u1ecb g\u1ec9, nh\u01b0ng n\u00f3 kh\u00f4ng ch\u1ed1ng g\u1ec9 t\u1ed1t b\u1eb1ng m\u1ed9t s\u1ed1 lo\u1ea1i kh\u00e1c nh\u01b0 304 ho\u1eb7c 316.<\/p><p><strong>\u0110\u1ecdc li\u00ean quan<\/strong><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/rust\/\">Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch n\u00e0o?<\/a><br><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/maintenance\/clean\/\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 \u0111\u00e1nh b\u00f3ng th\u00e9p kh\u00f4ng g\u1ec9?<\/a><\/p><h3 class=\"wp-block-heading\">Th\u00e9p 303 SS c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e9p d\u00f9ng trong th\u1ef1c ph\u1ea9m kh\u00f4ng?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 kh\u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p th\u1ef1c ph\u1ea9m. L\u01b0u hu\u1ef3nh b\u1ed5 sung, gi\u00fap d\u1ec5 gia c\u00f4ng h\u01a1n, c\u0169ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 \u00edt ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn th\u1ef1c ph\u1ea9m.&nbsp;<\/p><p>\u0110\u1ed1i v\u1edbi th\u1ef1c ph\u1ea9m, th\u00e9p kh\u00f4ng g\u1ec9 304 ho\u1eb7c 316 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n v\u00ec ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n v\u00e0 an to\u00e0n h\u01a1n khi ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 303 c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e9p d\u00f9ng trong y t\u1ebf kh\u00f4ng?<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 303 kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i d\u00f9ng trong y t\u1ebf. N\u00f3 \u0111\u01b0\u1ee3c b\u1ed5 sung l\u01b0u hu\u1ef3nh \u0111\u1ec3 gia c\u00f4ng t\u1ed1t h\u01a1n, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u0169ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3. Trong c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao v\u00e0 an to\u00e0n l\u00e0 r\u1ea5t quan tr\u1ecdng. 316 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 ph\u00f9 h\u1ee3p h\u01a1n \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 c\u1ea5y gh\u00e9p.<\/p><h2 class=\"wp-block-heading\">T\u00f3m t\u1eaft &amp; Th\u00eam n\u1eefa<\/h2><p>B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn v\u1ec1 \u0111\u1ecbnh ngh\u0129a, th\u00e0nh ph\u1ea7n, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 303. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c, h\u00e3y xem <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">blog c\u1ee7a ch\u00fang t\u00f4i<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi c\u00e1c chuy\u00ean gia kim lo\u1ea1i c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p><p>L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u v\u1ec1 th\u00e9p chuy\u00ean d\u1ee5ng, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u1ee9ng d\u1ee5ng \u0111a ng\u00e0nh v\u00e0 d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh v\u1edbi cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng 100%, cam k\u1ebft ph\u00e1t tri\u1ec3n c\u00f9ng kh\u00e1ch h\u00e0ng. Gh\u00e9 th\u0103m <a href=\"https:\/\/steelprogroup.com\/vi\">trang web c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam, ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">g\u1eedi cho ch\u00fang t\u00f4i m\u1ed9t b\u00e1o gi\u00e1<\/a>v\u00e0 ch\u00fang t\u00f4i s\u1ebd li\u00ean h\u1ec7 v\u1edbi b\u1ea1n s\u1edbm!<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 303 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec kh\u1ea3 n\u0103ng gia c\u00f4ng tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u00e1ng tin c\u1eady. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c th\u00e0nh ph\u1ea7n [\u2026]<\/p>","protected":false},"author":12,"featured_media":8828,"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-8822","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\/8822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=8822"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/8822\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/8828"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=8822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=8822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=8822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}