{"id":10402,"date":"2024-09-11T12:36:00","date_gmt":"2024-09-11T04:36:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10402"},"modified":"2025-02-17T19:03:01","modified_gmt":"2025-02-17T11:03:01","slug":"304-vs-430","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/comparisons\/304-vs-430\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 430: T\u00ednh ch\u1ea5t, \u1ee8ng d\u1ee5ng, Quy tr\u00ecnh s\u1ea3n xu\u1ea5t"},"content":{"rendered":"<p>304 v\u00e0 430 l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 v\u1ebb gi\u1ed1ng nhau, nh\u01b0ng th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau. V\u1eady s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 l\u00e0 g\u00ec? N\u1ebfu b\u1ea1n \u0111ang c\u1ea3m th\u1ea5y kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 vi\u1ec7c n\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o, h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd so s\u00e1nh t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin ch\u00ednh v\u1ec1 304 v\u00e0 430 \u0111\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn lo\u1ea1i t\u1ed1t nh\u1ea5t cho nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p><h2 class=\"wp-block-heading\">\u00dd ngh\u0129a c\u1ee7a c\u1ea5p \u0111\u1ed9 th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 430&nbsp;<\/h2><p>C\u00e1c lo\u1ea1i th\u00e9p bi\u1ec3u th\u1ecb th\u00e0nh ph\u1ea7n v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a kim lo\u1ea1i. S\u1ed1 c\u1ea5p ph\u1ea3n \u00e1nh ti\u00eau chu\u1ea9n c\u1ee7a v\u1eadt li\u1ec7u, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p cho nhi\u1ec1u m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau. C\u00e1c lo\u1ea1i nh\u01b0 304 v\u00e0 430 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo Vi\u1ec7n S\u1eaft v\u00e0 Th\u00e9p Hoa K\u1ef3 (AISI), n\u01a1i chu\u1ea9n h\u00f3a th\u00e0nh ph\u1ea7n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang. Ti\u1ebfp theo, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee5 th\u1ec3 c\u1ee7a c\u00e1c lo\u1ea1i 304 v\u00e0 430 \u0111\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 304 l\u00e0 g\u00ec?<\/h3><p><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">Th\u00e9p kh\u00f4ng g\u1ec9 304 (18\/8)<\/a> c\u00f3 b\u1ec1 m\u1eb7t s\u00e1ng b\u00f3ng c\u1ee7a crom 18% v\u00e0 niken 8%, v\u1edbi c\u1ea5u tr\u00fac austenit. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 h\u00f3a ch\u1ea5t. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1n ngu\u1ed9i \u0111\u1ec3 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1n n\u00f3ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c t\u1ea5m d\u00e0y h\u01a1n. C\u00f3 s\u1eb5n \u1edf d\u1ea1ng t\u1ea5m, t\u1ea5m v\u00e0 cu\u1ed9n, 304 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c d\u1ee5ng c\u1ee5 n\u1ea5u \u0103n, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 ki\u1ebfn tr\u00fac. <strong>N\u00f3 d\u1ec5 h\u00e0n<\/strong>, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean linh ho\u1ea1t khi \u00e1p d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o kh\u00e1c nhau.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 430 l\u00e0 g\u00ec?<\/h3><p>C\u00e1c <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-430\/\">inox 430 (18\/0) th\u00e9p kh\u00f4ng g\u1ec9<\/a> c\u00f3 b\u1ec1 m\u1eb7t m\u1edd, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kho\u1ea3ng 16-18% crom, v\u1edbi c\u1ea5u tr\u00fac ferritic. N\u00f3 c\u00f3 t\u00ednh s\u1eaft t\u1eeb v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb, \u0111\u1ed3 trang tr\u00ed \u00f4 t\u00f4 v\u00e0 \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp, n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch c\u00e1n ngu\u1ed9i v\u00e0 c\u00f3 d\u1ea1ng t\u1ea5m, t\u1ea5m v\u00e0 d\u1ea3i. <strong>Th\u00e9p kh\u00f4ng g\u1ec9 430 kh\u00f3 h\u00e0n<\/strong> do \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n v\u00e0 \u0111\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p austenit.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 430 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h3><p>\u0110\u00fang, <strong>th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong> c\u00f3 t\u1eeb t\u00ednh. \u0110\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 ferritic, n\u00f3 c\u00f3 c\u1ea5u tr\u00fac l\u1eadp ph\u01b0\u01a1ng t\u00e2m kh\u1ed1i (BCC), khi\u1ebfn n\u00f3 c\u00f3 t\u1eeb t\u00ednh t\u1ef1 nhi\u00ean. Ng\u01b0\u1ee3c l\u1ea1i, th\u00e9p kh\u00f4ng g\u1ec9 austenitic nh\u01b0 <strong>304<\/strong> n\u00f3i chung l\u00e0 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh do c\u1ea5u tr\u00fac l\u1eadp ph\u01b0\u01a1ng t\u00e2m m\u1eb7t (FCC) c\u1ee7a ch\u00fang.<\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 430 v\u00e0 304<\/h2><p>C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a n\u00f3. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh thi\u1ebft y\u1ebfu c\u1ee7a 430 v\u00e0 304 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430<\/h3><p>M\u1eb7c d\u00f9 304 v\u00e0 430 \u0111\u1ec1u l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a ch\u00fang l\u1ea1i kh\u00e1c nhau. So s\u00e1nh nh\u1eefng \u0111i\u1ec1u sau:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong><\/td><\/tr><tr><td>S\u1eaft (Fe)<\/td><td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u2264 0,08%<\/td><td>\u2264 0,12%<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>18-20%<\/td><td>16-18%<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>8-10.5%<\/td><td>&#8211;<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 2,00%<\/td><td>\u2264 1,00%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 1,00%<\/td><td>\u2264 1,00%<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,045%<\/td><td>\u2264 0,04%<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,030%<\/td><td>\u2264 0,03%<\/td><\/tr><tr><td>Nit\u01a1 (N)<\/td><td>\u2264 0,10%<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>N\u1ed9i dung Crom<\/strong>:304 c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom cao h\u01a1n m\u1ed9t ch\u00fat, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, th\u00edch h\u1ee3p h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><p><strong>H\u00e0m l\u01b0\u1ee3ng Niken<\/strong>:Niken trong th\u00e9p 304 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n. Th\u00e9p 430 kh\u00f4ng ch\u1ee9a niken n\u00ean r\u1ebb h\u01a1n nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n.<\/p><p><strong>H\u00e0m l\u01b0\u1ee3ng cacbon<\/strong>: Th\u00e9p 430 c\u00f3 h\u00e0m l\u01b0\u1ee3ng carbon cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi th\u00e9p 304, khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb g\u1ec9 h\u01a1n v\u00e0 \u00edt th\u00edch h\u1ee3p \u0111\u1ec3 h\u00e0n h\u01a1n.<\/p><p><strong>Mangan v\u00e0 Silic<\/strong>:C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u c\u00f3 h\u00e0m l\u01b0\u1ee3ng mangan v\u00e0 silic t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau, g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed5ng th\u1ec3.<\/p><p><strong>H\u00e0m l\u01b0\u1ee3ng Nit\u01a1<\/strong>:430 thi\u1ebfu nit\u01a1, ngh\u0129a l\u00e0 n\u00f3 kh\u00f4ng c\u00f3 th\u00eam \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 304.<\/p><p>304 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng niken cao h\u01a1n, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n nh\u01b0ng l\u00e0m t\u0103ng chi ph\u00ed. Ng\u01b0\u1ee3c l\u1ea1i, 430 kh\u00f4ng ch\u1ee9a niken, khi\u1ebfn n\u00f3 c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n nh\u01b0ng c\u0169ng d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n. Tuy nhi\u00ean, 430 c\u00f3 t\u1eeb t\u00ednh v\u00e0 ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u t\u1eeb t\u00ednh, mang l\u1ea1i l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u00edt \u0103n m\u00f2n h\u01a1n.<\/p><h4 class=\"wp-block-heading\">H\u00e0nh vi \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 430<\/h4><p><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong>: D\u1ec5 b\u1ecb <strong>r\u1ed7<\/strong> V\u00e0 <strong>\u0103n m\u00f2n khe h\u1edf<\/strong> trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n \u1ea5m \u00e1p. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 b\u1ecb <strong>n\u1ee9t \u0103n m\u00f2n \u1ee9ng su\u1ea5t<\/strong> \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 60\u00b0C (140\u00b0F).<\/p><p><strong>Th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong>: D\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng h\u01a1n <strong>r\u1ed7<\/strong> V\u00e0 <strong>\u0103n m\u00f2n khe h\u1edf<\/strong> h\u01a1n 304 trong m\u00f4i tr\u01b0\u1eddng clorua. Tuy nhi\u00ean, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t h\u01a1n <strong>n\u1ee9t \u0103n m\u00f2n \u1ee9ng su\u1ea5t<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u00ean \u0111\u1ebfn 60\u00b0C, m\u1eb7c d\u00f9 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t v\u1eabn c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eadt \u0111\u1ed9, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y, m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd kh\u00e1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00e0i s\u1ea3n v\u1eadt l\u00fd<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/magnetic\/\">T\u1eeb t\u00ednh<\/a><\/td><td>Kh\u00f4ng t\u1eeb t\u00ednh<\/td><td>T\u1eeb t\u00ednh<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/density\/\">T\u1ec9 tr\u1ecdng<\/a><\/td><td>7,93 g\/cm\u00b3<\/td><td>7,7g\/cm\u00b3<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/properties\/melting-point\/\">\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/a><\/td><td>1400-1450\u00b0C (2552-2642\u00b0F)<\/td><td>1425-1510\u00b0C (2597-2750\u00b0F)<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>193-200 GPa<\/td><td>200 GPa<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>16,2 W\/m\u00b7K (\u1edf 100\u00b0C)<\/td><td>23,9 W\/m\u00b7K (\u1edf 100\u00b0C)<\/td><\/tr><tr><td>H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/td><td>16,0 x 10\u207b\u2076 \/K<\/td><td>10,4 x 10\u207b\u2076 \/K<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>T\u1eeb t\u00ednh<\/strong>: 430 c\u00f3 t\u1eeb t\u00ednh, l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 trang tr\u00ed \u00f4 t\u00f4. 304 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh, t\u1ed1t h\u01a1n cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 y t\u1ebf.<\/p><p><strong>T\u1ec9 tr\u1ecdng<\/strong>: 304 \u0111\u1eb7c h\u01a1n, c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng cho k\u1ebft c\u1ea5u. 430 nh\u1eb9 h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ea1y c\u1ea3m v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng.<\/p><p><strong>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/strong>: \u0110i\u1ec3m n\u00f3ng ch\u1ea3y cao h\u01a1n c\u1ee7a 430 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 h\u1ec7 th\u1ed1ng x\u1ea3. 304 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 nh\u00e0 b\u1ebfp th\u00f4ng th\u01b0\u1eddng.<\/p><p><strong>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/strong>: 430 c\u1ee9ng h\u01a1n, th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee9ng. 304 m\u1ec1m d\u1ebbo h\u01a1n, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 u\u1ed1n cong v\u00e0 t\u1ea1o h\u00ecnh.<\/p><p><strong>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/strong>: 430 d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n, h\u1eefu \u00edch trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. 304 gi\u1eef nhi\u1ec7t, r\u1ea5t t\u1ed1t cho n\u1ea5u \u0103n v\u00e0 c\u00e1ch nhi\u1ec7t.<\/p><p><strong>\u0110i\u1ec7n tr\u1edf su\u1ea5t<\/strong>:304 c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. \u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p h\u01a1n c\u1ee7a 430 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn gia nhi\u1ec7t.<\/p><p><strong>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/strong>:304 gi\u00e3n n\u1edf nhi\u1ec1u h\u01a1n khi ch\u1ecbu nhi\u1ec7t, h\u1eefu \u00edch cho kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. 430 c\u00f3 k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh h\u01a1n, t\u1ed1t h\u01a1n cho c\u00e1c linh ki\u1ec7n ch\u00ednh x\u00e1c.<\/p><p>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd quy\u1ebft \u0111\u1ecbnh \u1ee9ng d\u1ee5ng c\u1ee7a t\u1eebng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9, nh\u01b0ng gi\u00e1 tr\u1ecb th\u1ea5p h\u01a1n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u00edt h\u1eefu \u00edch h\u01a1n. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a th\u00e9p 304 l\u00e0 b\u1ea3n ch\u1ea5t kh\u00f4ng t\u1eeb t\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao, l\u00fd t\u01b0\u1edfng cho nh\u00e0 b\u1ebfp v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf. Th\u00e9p 430 c\u00f3 t\u1eeb t\u00ednh v\u1edbi \u0111\u1ed9 d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 ph\u1ee5 t\u00f9ng \u00f4 t\u00f4.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430<\/h3><p>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ph\u1ea3n \u00e1nh c\u00e1ch th\u00e9p kh\u00f4ng g\u1ec9 bi\u1ebfn d\u1ea1ng v\u00e0 v\u1ee1 d\u01b0\u1edbi \u1ee9ng su\u1ea5t, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong><\/td><td><strong>Th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong><\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>205 MPa (30 ksi)<\/td><td>275 MPa (40 ksi)<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>505 MPa (73 ksi)<\/td><td>450 MPa (65 ksi)<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>40-50%<\/td><td>20-30%<\/td><\/tr><tr><td>Gi\u1ea3m Di\u1ec7n T\u00edch<\/td><td>55%<\/td><td>45%<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Brinell<\/td><td>201 HB<\/td><td>187 HB<\/td><\/tr><tr><td><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/welding\/\">Kh\u1ea3 n\u0103ng h\u00e0n<\/a><\/td><td>Xu\u1ea5t s\u1eafc<\/td><td>T\u1ed1t<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td><td>V\u1eeba ph\u1ea3i<\/td><td>H\u1ed9i ch\u1ee3<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>S\u1ee9c ch\u1ecbu l\u1ef1c<\/strong>: Th\u00e9p 430 c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y cao h\u01a1n th\u00e9p 304, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng khi ch\u1ecbu \u1ee9ng su\u1ea5t t\u1ed1t h\u01a1n.<\/p><p><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/strong>:304 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n 430, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c l\u1edbn h\u01a1n tr\u01b0\u1edbc khi \u0111\u1ee9t.<\/p><p><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/strong>: Th\u00e9p 304 c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao h\u01a1n th\u00e9p 430, cho ph\u00e9p n\u00f3 gi\u00e3n d\u00e0i h\u01a1n tr\u01b0\u1edbc khi \u0111\u1ee9t, \u0111i\u1ec1u n\u00e0y c\u00f3 l\u1ee3i cho vi\u1ec7c t\u1ea1o h\u00ecnh v\u00e0 u\u1ed1n cong.<\/p><p><strong>Gi\u1ea3m Di\u1ec7n T\u00edch<\/strong>:304 c\u00f3 di\u1ec7n t\u00edch thu h\u1eb9p h\u01a1n so v\u1edbi 430, cho ph\u00e9p n\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec1u bi\u1ebfn d\u1ea1ng h\u01a1n tr\u01b0\u1edbc khi g\u00e3y.<\/p><p><strong>\u0110\u1ed9 c\u1ee9ng Brinell<\/strong>:304 c\u00f3 \u0111\u1ed9 c\u1ee9ng Brinell cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi 430, khi\u1ebfn n\u00f3 c\u1ee9ng h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n b\u1ec1 m\u1eb7t t\u1ed1t h\u01a1n.<\/p><p><strong>Kh\u1ea3 n\u0103ng h\u00e0n<\/strong>: 304 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n ph\u1ee9c t\u1ea1p. 430 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t nh\u01b0ng c\u00f3 th\u1ec3 c\u1ea7n c\u1ea9n th\u1eadn h\u01a1n trong qu\u00e1 tr\u00ecnh h\u00e0n.<\/p><p>Nh\u00ecn chung, th\u00e9p kh\u00f4ng g\u1ec9 304 th\u01b0\u1eddng d\u1ebbo h\u01a1n v\u00e0 c\u1ee9ng h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 cao. Th\u00e9p kh\u00f4ng g\u1ec9 430, v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, ho\u00e0n h\u1ea3o cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng v\u00e0 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh. C\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc ri\u00eang bi\u1ec7t c\u1ee7a t\u1eebng lo\u1ea1i l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/p><h4 class=\"wp-block-heading\">So s\u00e1nh d\u1eadp c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 430<\/h4><p><strong>Th\u00e9p kh\u00f4ng g\u1ec9 304<\/strong>: Do \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 b\u1ec1n cao h\u01a1n, 304 l\u00fd t\u01b0\u1edfng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng k\u00e9o s\u00e2u v\u00e0 d\u1eadp ph\u1ee9c t\u1ea1p. N\u00f3 ch\u1ed1ng n\u1ee9t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh t\u1ed1t h\u01a1n, l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p><p><strong>Th\u00e9p kh\u00f4ng g\u1ec9 430<\/strong>: M\u1eb7c d\u00f9 430 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u1eadp, nh\u01b0ng \u0111\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n so v\u1edbi 304 khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb n\u1ee9t ho\u1eb7c r\u00e1ch h\u01a1n trong qu\u00e1 tr\u00ecnh d\u1eadp ph\u1ee9c t\u1ea1p. N\u00f3 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng k\u00e9o n\u00f4ng.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 304 so v\u1edbi 430: Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t, bao g\u1ed3m l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4, quy tr\u00ecnh n\u1ea5u ch\u1ea3y, quy tr\u00ecnh c\u00e1n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ti\u1ebfp theo. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd \u0111i\u1ec3n h\u00ecnh cho t\u1eebng lo\u1ea1i.<\/p><h3 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 304<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 304 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh:<\/p><ol class=\"wp-block-list\"><li><strong>L\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4<\/strong>:Ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng qu\u1eb7ng s\u1eaft, crom v\u00e0 niken ch\u1ea5t l\u01b0\u1ee3ng cao.<\/li>\n\n<li><strong>tan ch\u1ea3y<\/strong>:Trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y, t\u1ef7 l\u1ec7 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 tinh khi\u1ebft c\u1ee7a th\u00e0nh ph\u1ea7n.<\/li>\n\n<li><strong>\u0110\u00fac<\/strong>:Kim lo\u1ea1i l\u1ecfng \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh ph\u00f4i ho\u1eb7c t\u1ea5m.<\/li>\n\n<li><strong>C\u00e1n n\u00f3ng<\/strong>:Ph\u00f4i ho\u1eb7c t\u1ea5m \u0111\u01b0\u1ee3c c\u00e1n n\u00f3ng \u0111\u1ec3 t\u1ea1o th\u00e0nh t\u1ea5m, t\u1ea5m ho\u1eb7c cu\u1ed9n.<\/li>\n\n<li><strong>C\u00e1n ngu\u1ed9i<\/strong>:S\u1ea3n ph\u1ea9m c\u00e1n n\u00f3ng \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c x\u1eed l\u00fd th\u00f4ng qua c\u00e1n ngu\u1ed9i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t quy \u0111\u1ecbnh.<\/li>\n\n<li><strong>\u1ee6<\/strong>:Th\u00e9p c\u00e1n ngu\u1ed9i \u0111\u01b0\u1ee3c \u1ee7 trong l\u00f2 \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li><strong>Ng\u00e2m chua v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/strong>:Th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng axit \u0111\u1ec3 lo\u1ea1i b\u1ecf oxit v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t.<\/li><\/ol><p>C\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o th\u00e9p kh\u00f4ng g\u1ec9 304 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh \u0111\u1eb7c tr\u01b0ng.<\/p><h3 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 430<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 430 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua c\u00e1c b\u01b0\u1edbc sau:<\/p><ol class=\"wp-block-list\"><li><strong>L\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4<\/strong>:Qu\u1eb7ng s\u1eaft, crom v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 cho s\u1ea3n xu\u1ea5t, v\u00e0 niken h\u1ea7u nh\u01b0 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n\n<li><strong>tan ch\u1ea3y<\/strong>:Qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1eed l\u00fd l\u1ea1i b\u1eb1ng s\u1eaft v\u00e0 th\u00e9p ph\u1ebf li\u1ec7u t\u00e1i ch\u1ebf, c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t h\u01a1n.<\/li>\n\n<li><strong>\u0110\u00fac<\/strong>:Kim lo\u1ea1i l\u1ecfng \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh ph\u00f4i ho\u1eb7c t\u1ea5m.<\/li>\n\n<li><strong>C\u00e1n n\u00f3ng<\/strong>:C\u00e1c ph\u00f4i ho\u1eb7c t\u1ea5m \u0111\u01b0\u1ee3c c\u00e1n n\u00f3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u00e0nh t\u1ea5m, t\u1ea5m ho\u1eb7c cu\u1ed9n.<\/li>\n\n<li><strong>C\u00e1n ngu\u1ed9i<\/strong>:Th\u00e9p c\u00e1n n\u00f3ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua c\u00e1n ngu\u1ed9i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n theo y\u00eau c\u1ea7u.<\/li>\n\n<li><strong>\u1ee6<\/strong>:V\u1eadt li\u1ec7u c\u00e1n ngu\u1ed9i \u0111\u01b0\u1ee3c \u1ee7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t.<\/li>\n\n<li><strong>Ng\u00e2m chua v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a<\/strong>:Th\u00e9p \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch b\u1eb1ng axit \u0111\u1ec3 lo\u1ea1i b\u1ecf oxit v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t.<\/li><\/ol><p>C\u00e1c quy tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 430 duy tr\u00ec \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh v\u00e0 mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh.<\/p><p>Th\u00e9p kh\u00f4ng g\u1ec9 430 v\u00e0 304 trong ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t, s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u1edf th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, quy tr\u00ecnh n\u1ea5u ch\u1ea3y, c\u00e1n v\u00e0 gia c\u00f4ng, t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng.<\/p><p><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/\">N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u01a1 b\u1ea3n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9, vui l\u00f2ng nh\u1ea5p v\u00e0o \u0111\u00e2y.<\/a><\/p><h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i v\u00e0 ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 \u1edf c\u00e1c qu\u1ed1c gia kh\u00e1c<\/h2><h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n v\u00e0 c\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Qu\u1ed1c gia<\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td><td><strong>L\u1edbp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/td><\/tr><tr><td>Trung Qu\u1ed1c<\/td><td>GB\/T3280<\/td><td>00Cr19Ni10<\/td><\/tr><tr><td>Hoa K\u1ef3<\/td><td>Ti\u00eau chu\u1ea9n ASTM A240, A276<\/td><td>Lo\u1ea1i 304<\/td><\/tr><tr><td>Anh qu\u1ed1c<\/td><td>BS 1449, BS 970<\/td><td>304S31<\/td><\/tr><tr><td>Nh\u1eadt B\u1ea3n<\/td><td>Ti\u00eau chu\u1ea9n JIS G4305, JIS G4312<\/td><td>SUS304<\/td><\/tr><tr><td>Qu\u1ed1c t\u1ebf<\/td><td>Ti\u00eau chu\u1ea9n ISO683-2, ISO4954<\/td><td>X5CrNi18-10<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n v\u00e0 c\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 430<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Qu\u1ed1c gia<\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td><td><strong>L\u1edbp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/td><\/tr><tr><td>Trung Qu\u1ed1c<\/td><td>GB\/T4237<\/td><td>1Cr17<\/td><\/tr><tr><td>Hoa K\u1ef3<\/td><td>Ti\u00eau chu\u1ea9n ASTM A240, A276<\/td><td>Lo\u1ea1i 430<\/td><\/tr><tr><td>Anh qu\u1ed1c<\/td><td>BS 1449, BS 970<\/td><td>430S29<\/td><\/tr><tr><td>Nh\u1eadt B\u1ea3n<\/td><td>Ti\u00eau chu\u1ea9n JIS G4305<\/td><td>SUS430<\/td><\/tr><tr><td>Qu\u1ed1c t\u1ebf<\/td><td>Ti\u00eau chu\u1ea9n ISO683-2<\/td><td>X6Cr17<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430<\/h2><p>C\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec3m m\u1ea1nh c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang gi\u00fap l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau. Sau \u0111\u00e2y l\u00e0 th\u00f4ng tin v\u1ec1 n\u01a1i th\u01b0\u1eddng \u00e1p d\u1ee5ng t\u1eebng lo\u1ea1i.<\/p><h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 304<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td><strong>T\u1ea1i sao<\/strong><\/td><\/tr><tr><td>Ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m<\/td><td>Thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao v\u00e0 d\u1ec5 v\u1ec7 sinh<\/td><\/tr><tr><td>\u0110\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp<\/td><td>B\u1ed3n r\u1eeda, m\u1eb7t b\u00e0n, \u0111\u1ed3 n\u1ea5u n\u01b0\u1edbng<\/td><td>B\u1ec1 m\u1eb7t kh\u00f4ng ph\u1ea3n \u1ee9ng v\u00e0 b\u1ec1n, d\u1ec5 v\u1ec7 sinh<\/td><\/tr><tr><td>Thu\u1ed9c v\u1ec1 y h\u1ecdc<\/td><td>D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, thi\u1ebft b\u1ecb y t\u1ebf<\/td><td>Ti\u00eau chu\u1ea9n v\u1ec7 sinh cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>S\u1ef1 thi c\u00f4ng<\/td><td>T\u1ea5m ki\u1ebfn tr\u00fac, m\u1eb7t ti\u1ec1n t\u00f2a nh\u00e0, lan can<\/td><td>T\u00ednh th\u1ea9m m\u1ef9 v\u00e0 \u0111\u1ed9 b\u1ec1n trong nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00e1c nhau<\/td><\/tr><tr><td>H\u00f3a ch\u1ea5t<\/td><td>B\u1ed3n ch\u1ee9a, \u0111\u01b0\u1eddng \u1ed1ng, thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 \u0103n m\u00f2n tuy\u1ec7t v\u1eddi<\/td><\/tr><tr><td>H\u00e0ng h\u1ea3i<\/td><td>Thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i, ph\u1ee5 ki\u1ec7n thuy\u1ec1n<\/td><td>Ch\u1ed1ng \u0103n m\u00f2n n\u01b0\u1edbc m\u1eb7n hi\u1ec7u qu\u1ea3<\/td><\/tr><tr><td>\u00d4 t\u00f4<\/td><td>H\u1ec7 th\u1ed1ng x\u1ea3, c\u00e1c th\u00e0nh ph\u1ea7n trang tr\u00ed<\/td><td>\u0110\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td><\/tr><tr><td>\u0110\u01b0\u1eddng \u1ed1ng<\/td><td>\u0110\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u00e0 kh\u00ed \u0111\u1ed1t<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t<\/td><\/tr><tr><td>N\u0103ng l\u01b0\u1ee3ng<\/td><td>Thi\u1ebft b\u1ecb ph\u00e1t \u0111i\u1ec7n, linh ki\u1ec7n l\u00f2 ph\u1ea3n \u1ee9ng<\/td><td>\u0110\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/td><\/tr><tr><td>D\u1ec7t may<\/td><td>Thi\u1ebft b\u1ecb nhu\u1ed9m v\u00e0 ho\u00e0n thi\u1ec7n<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a h\u00f3a ch\u1ea5t s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 430<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td><strong>T\u1ea1i sao<\/strong><\/td><\/tr><tr><td>Thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td><td>L\u1edbp l\u00f3t l\u00f2 n\u01b0\u1edbng, b\u00ean trong m\u00e1y r\u1eeda ch\u00e9n, vi\u1ec1n t\u1ee7 l\u1ea1nh<\/td><td>T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec7t v\u00e0 \u0103n m\u00f2n<\/td><\/tr><tr><td>\u00d4 t\u00f4<\/td><td>Trang tr\u00ed \u00f4 t\u00f4, h\u1ec7 th\u1ed1ng \u1ed1ng x\u1ea3<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n<\/td><\/tr><tr><td>S\u1ef1 thi c\u00f4ng<\/td><td>T\u1ea5m \u1ed1p t\u01b0\u1eddng, t\u1ea5m l\u1ee3p m\u00e1i<\/td><td>Ngo\u1ea1i h\u00ecnh \u0111\u1eb9p v\u00e0 \u0111\u1ed9 b\u1ec1n trong c\u00e1c y\u1ebfu t\u1ed1 ki\u1ebfn tr\u00fac<\/td><\/tr><tr><td>\u0110\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp<\/td><td>\u0110\u1ed3 n\u1ea5u n\u01b0\u1edbng, b\u1ed3n r\u1eeda v\u00e0 \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed<\/td><\/tr><tr><td>H\u1ed9 gia \u0111\u00ecnh<\/td><td>Ph\u1ee5 ki\u1ec7n ph\u00f2ng t\u1eafm, tay n\u1eafm c\u1eeda v\u00e0 vi\u1ec1n trang tr\u00ed<\/td><td>Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1edbi t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh t\u1ed1t<\/td><\/tr><tr><td>H\u1ec7 th\u1ed1ng HVAC<\/td><td>\u1ed0ng d\u1eabn kh\u00ed, b\u1ed9 ph\u1eadn l\u00f2 s\u01b0\u1edfi<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t<\/td><\/tr><tr><td>C\u00f4ng nghi\u1ec7p<\/td><td>V\u1ecf thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, linh ki\u1ec7n m\u00e1y m\u00f3c<\/td><td>\u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t<\/td><\/tr><tr><td>H\u00e0ng h\u1ea3i<\/td><td>Ph\u1ee5 ki\u1ec7n thuy\u1ec1n, ph\u1ea7n c\u1ee9ng h\u00e0ng h\u1ea3i<\/td><td>Ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n \u00edt kh\u1eafc nghi\u1ec7t h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure><p>Th\u00e9p kh\u00f4ng g\u1ec9 304, V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1eb7c t\u00ednh kh\u00f4ng nhi\u1ec5m t\u1eeb, n\u00f3 ho\u00e0n h\u1ea3o \u0111\u1ec3 s\u1eed d\u1ee5ng trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp. Tuy nhi\u00ean, chi ph\u00ed cao h\u01a1n v\u00e0 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh th\u1ea5p h\u01a1n khi\u1ebfn n\u00f3 \u00edt ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/p><p>Th\u00e9p kh\u00f4ng g\u1ec9 430, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb, \u0111\u1ed3 trang tr\u00ed \u00f4 t\u00f4 v\u00e0 \u0111\u1ed3 gia d\u1ee5ng. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n so v\u1edbi 304 khi\u1ebfn n\u00f3 \u00edt ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t kh\u1eafc nghi\u1ec7t ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t ho\u1eb7c h\u00e0ng h\u1ea3i.<\/p><h2 class=\"wp-block-heading\">B\u1ea1n n\u00ean ch\u1ecdn th\u00e9p kh\u00f4ng g\u1ec9 304 hay 430?<\/h2><p>X\u00e9t v\u1ec1 t\u00ednh th\u1ef1c t\u1ebf, \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u01a1n gi\u1ea3n:<\/p><ul class=\"wp-block-list\"><li><strong>Tr\u1ecb gi\u00e1<\/strong>: Ch\u1ecdn <strong>430<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m v\u00ec kh\u00f4ng ch\u1ee9a niken v\u00e0 r\u1ebb h\u01a1n th\u00e9p 304.<\/li>\n\n<li><strong>T\u1eeb t\u00ednh<\/strong>: L\u1ef1a ch\u1ecdn <strong>430<\/strong> n\u1ebfu b\u1ea1n c\u1ea7n v\u1eadt li\u1ec7u t\u1eeb t\u00ednh; <strong>304<\/strong> kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh.<\/li>\n\n<li><strong>Kh\u1ea3 n\u0103ng h\u00e0n<\/strong>: <strong>304<\/strong> t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n; <strong>430<\/strong> kh\u00f3 h\u00e0n h\u01a1n.<\/li>\n\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>:<ul class=\"wp-block-list\"><li><strong>M\u00f4i tr\u01b0\u1eddng th\u1ef1c ph\u1ea9m<\/strong>: <strong>304<\/strong> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n.<\/li>\n\n<li><strong>C\u00f4ng nghi\u1ec7p v\u00e0 ki\u1ebfn tr\u00fac<\/strong>: <strong>430<\/strong> ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u00edt \u0103n m\u00f2n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li><\/ul><\/li><\/ul><p>T\u00f3m l\u1ea1i, 304 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, kh\u1ea3 n\u0103ng h\u00e0n v\u00e0 t\u00ednh ch\u1ea5t phi t\u1eeb t\u00ednh t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c ph\u1ea9m v\u00e0 \u0103n m\u00f2n. 430 l\u00e0 l\u1ef1a ch\u1ecdn t\u1eeb t\u00ednh ph\u1ea3i ch\u0103ng h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u00edt \u0103n m\u00f2n, ti\u1ebft ki\u1ec7m chi ph\u00ed trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 ki\u1ebfn tr\u00fac.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 430 c\u00f3 b\u1ecb g\u1ec9 khi \u0111\u1ec3 ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/h2><p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 430 c\u00f3 th\u1ec3 b\u1ecb g\u1ec9 \u1edf b\u00ean ngo\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c c\u00f3 nhi\u1ec1u mu\u1ed1i do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i kh\u00e1c.<\/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?<\/a><\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/h2><p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 304 th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi do c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, m\u1eb7c d\u00f9 v\u1eabn c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 tr\u00e1nh b\u1ecb g\u1ec9 s\u00e9t trong m\u00f4i tr\u01b0\u1eddng r\u1ea5t kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 d\u1ec5 b\u1ecb tr\u1ea7y x\u01b0\u1edbc kh\u00f4ng?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u1ed1i nh\u01b0ng c\u00f3 th\u1ec3 b\u1ecb tr\u1ea7y x\u01b0\u1edbc trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh. B\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 gi\u1ea3m c\u00e1c v\u1ebft x\u01b0\u1edbc c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y.<\/p><h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng th\u00e9p kh\u00f4ng g\u1ec9 304?<\/h2><p>B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u, ki\u1ec3m tra ch\u1ee9ng nh\u1eadn ho\u1eb7c b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m v\u00e0 s\u1eed d\u1ee5ng nam ch\u00e2m (304 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh).<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 430 c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e9p d\u00f9ng trong th\u1ef1c ph\u1ea9m kh\u00f4ng?<\/h2><p>C\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 430 \u0111\u01b0\u1ee3c coi l\u00e0 lo\u1ea1i d\u00f9ng cho th\u1ef1c ph\u1ea9m. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 an to\u00e0n khi ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 k\u00e9m h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 c\u1ea5p cao h\u01a1n nh\u01b0 304.<\/p><h2 class=\"wp-block-heading\">H\u00e3y ch\u1ecdn lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 c\u1ee7a b\u1ea1n ngay b\u00e2y gi\u1edd!<\/h2><p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 430 ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 v\u00e0 nhu c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. N\u1ebfu c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00f4ng t\u1eeb t\u00ednh, 304 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u1ea7n c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, 430 c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n. \u0110\u1ecdc th\u00eam c\u00e1c b\u00e0i vi\u1ebft v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 tr\u00ean <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">trang blog<\/a>.<\/p><p>T\u1ea1i <a href=\"https:\/\/steelprogroup.com\/vi\">T\u1eadp \u0111o\u00e0n SteelPRO<\/a>, ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a b\u1ea1n. L\u00e0 nh\u00e0 cung c\u1ea5p th\u00e9p chuy\u00ean d\u1ee5ng, ch\u00fang t\u00f4i cung c\u1ea5p th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi m\u1ecdi h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch c\u1ee1. <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 t\u00ecm v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u00e0 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 chuy\u00ean nghi\u1ec7p c\u1ee7a ch\u00fang t\u00f4i.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>304 v\u00e0 430 l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 v\u1ebb gi\u1ed1ng nhau, nh\u01b0ng th\u00e0nh ph\u1ea7n ri\u00eang bi\u1ec7t c\u1ee7a ch\u00fang [\u2026]<\/p>","protected":false},"author":1,"featured_media":10400,"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":[4192,4191,112],"tags":[],"class_list":["post-10402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparisons","category-grades","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10402","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=10402"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/10402\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/10400"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=10402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=10402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=10402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}