{"id":10948,"date":"2024-10-01T09:45:00","date_gmt":"2024-10-01T01:45:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=10948"},"modified":"2024-11-21T09:59:19","modified_gmt":"2024-11-21T01:59:19","slug":"317-317l","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/317-317l\/","title":{"rendered":"317 | Th\u00e9p kh\u00f4ng g\u1ec9 317L: H\u00ecnh th\u1ee9c, Th\u00e0nh ph\u1ea7n, T\u00ednh ch\u1ea5t, \u1ee8ng d\u1ee5ng, Quy tr\u00ecnh v\u00e0 T\u1ea5t c\u1ea3"},"content":{"rendered":"<p>Ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u chi ti\u1ebft cho b\u1ea1n v\u1ec1 th\u00e0nh ph\u1ea7n, t\u00ednh ch\u1ea5t, l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng, ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 v\u00e0 gi\u1ea3i th\u00edch v\u1ec1 phi\u00ean b\u1ea3n th\u00e9p kh\u00f4ng g\u1ec9 317L \u00edt carbon c\u1ee7a n\u00f3. Ngo\u00e0i ra, ch\u00fang t\u00f4i s\u1ebd so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304, 316 v\u00e0 317 \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p h\u01a1n.<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 317 l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 317, m\u1ed9t h\u1ee3p kim austenit, t\u1ef1 h\u00e0o c\u00f3 n\u1ed3ng \u0111\u1ed9 crom, niken v\u00e0 molypden cao, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, s\u1ea3n xu\u1ea5t b\u1ed9t gi\u1ea5y v\u00e0 gi\u1ea5y, k\u1ef9 thu\u1eadt h\u00e0ng h\u1ea3i, c\u0169ng nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<\/p><h3 class=\"wp-block-heading\">C\u00e1c c\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h3><ul class=\"wp-block-list\"><li>UNS: S31700<\/li>\n\n<li>Ti\u1ebfng Vi\u1ec7t: X3CrNiMo18-12-3 (1.4449)<\/li>\n\n<li>JIS: SUS317<\/li><\/ul><h3 class=\"wp-block-heading\">317 Ti\u00eau chu\u1ea9n<\/h3><ul class=\"wp-block-list\"><li>Ti\u00eau chu\u1ea9n ASTMA240<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA276<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA312<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA479<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng crom, niken v\u00e0 molypden cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td>Y\u1ebfu t\u1ed1<\/td><td>Ph\u1ea1m vi th\u00e0nh ph\u1ea7n<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u2264 0,08%<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 2,00%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 1,00%<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>18.0% &#8211; 20.0%<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>11.0% &#8211; 15.0%<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>3.0% &#8211; 4.0%<\/td><\/tr><tr><td>Nit\u01a1 (N)<\/td><td>\u2264 0,10%<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,03%<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,045%<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h2><h3 class=\"wp-block-heading\">C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/h3><p>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng tuy\u1ec7t v\u1eddi, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n:<\/strong> H\u00e0m l\u01b0\u1ee3ng crom v\u00e0 molypden cao l\u00e0m cho th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n clorua c\u1ef1c t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh axit nh\u01b0 axit sunfuric v\u00e0 axit clohydric.&nbsp;<\/p><p><strong>S\u1ee9c m\u1ea1nh:<\/strong> \u0110\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ea3y c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 cao h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng, gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac t\u1ed1t ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao.<\/p><p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a: <\/strong>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a \u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao, gi\u00fap duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng b\u1ecb oxy h\u00f3a ho\u1eb7c ph\u00e2n h\u1ee7y ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 1600\u00b0F (870\u00b0C).<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>T\u00e0i s\u1ea3n<\/td><td>H\u1ec7 m\u00e9t<\/td><td>\u0110\u1ebf qu\u1ed1c<\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,99 g\/cm\u00b3<\/td><td>0,289 lb\/in\u00b3<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t (\u1edf 100\u00b0C)<\/td><td>16,2 W\/m\u00b7K<\/td><td>9,4 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110i\u1ec7n tr\u1edf su\u1ea5t (\u1edf 20\u00b0C)<\/td><td>85 microhm-cm<\/td><td>33,5 microhm-in<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1371 \u2013 1421 \u00b0C<\/td><td>2500 \u2013 2590 \u00b0F<\/td><\/tr><tr><td>Nhi\u1ec7t dung ri\u00eang (32-212\u00b0F)<\/td><td>0,50 kJ\/kg\u00b7K<\/td><td>0,12 BTU\/lb\u00b7\u00b0F<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t (32-212\u00b0F)<\/td><td>16,0 \u00b5m\/m\u00b7K<\/td><td>8,9 in\/in\u00b7\u00b0F<\/td><\/tr><\/tbody><\/table><\/figure><p>Nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0y mang l\u1ea1i cho th\u00e9p kh\u00f4ng g\u1ec9 317 nh\u1eefng t\u00ednh ch\u1ea5t nhi\u1ec7t v\u00e0 \u0111i\u1ec7n tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111i\u1ec7n tr\u1edf.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>T\u00e0i s\u1ea3n<\/td><td>H\u1ec7 m\u00e9t<\/td><td>\u0110\u1ebf qu\u1ed1c<\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>620MPa<\/td><td>89900 psi<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>275MPa<\/td><td>39900 psi<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>35%<\/td><td>35%<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng (Rockwell B)<\/td><td>T\u1ed1i \u0111a 95<\/td><td>T\u1ed1i \u0111a 95<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (L\u1ef1c c\u0103ng)<\/td><td>193 GPa<\/td><td>28 x 10\u00b3 ksi<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (Xo\u1eafn)<\/td><td>77 GPa<\/td><td>11,2 x 10\u00b3 ksi<\/td><\/tr><\/tbody><\/table><\/figure><p>T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/p><h2 class=\"wp-block-heading\">C\u00e1c d\u1ea1ng th\u00e9p kh\u00f4ng g\u1ec9 317<\/h2><p>SteelPRO Group cung c\u1ea5p nhi\u1ec1u lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 317 bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li>317 T\u1ea5m, l\u00e1, cu\u1ed9n, d\u00e2y th\u00e9p kh\u00f4ng g\u1ec9<\/li><\/ul><ul class=\"wp-block-list\"><li><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/pipe\/317-pipe-bar-wire-tube-sheet\/\">317 Thanh th\u00e9p kh\u00f4ng g\u1ec9<\/a> (tr\u00f2n, vu\u00f4ng, ph\u1eb3ng), thanh, g\u00f3c, k\u00eanh, \u1ed1ng (li\u1ec1n m\u1ea1ch v\u00e0 h\u00e0n), \u1ed1ng (li\u1ec1n m\u1ea1ch v\u00e0 h\u00e0n)<\/li><\/ul><ul class=\"wp-block-list\"><li>317 Ph\u1ee5 ki\u1ec7n th\u00e9p kh\u00f4ng g\u1ec9, m\u1eb7t b\u00edch, ph\u00f4i, r\u00e8n<\/li><\/ul><p>Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 t\u00f9y ch\u1ec9nh k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ebf bi\u1ebfn \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau c\u1ee7a b\u1ea1n.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 r\u1ea5t ph\u00f9 h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng do kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh \u0103n m\u00f2n cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ee9a clorua ho\u1eb7c h\u1ee3p ch\u1ea5t l\u01b0u hu\u1ef3nh.<\/p><p><strong>X\u1eed l\u00fd h\u00f3a ch\u1ea5t v\u00e0 h\u00f3a d\u1ea7u:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u00e0 \u0103n m\u00f2n khe h\u1edf tuy\u1ec7t v\u1eddi c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 l\u00e0m cho n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c thi\u1ebft b\u1ecb trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u00ednh axit v\u00e0 ch\u1ee9a clo, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed3n ch\u1ee9a, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng.<\/p><p><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t gi\u1ea5y v\u00e0 gi\u1ea5y:<\/strong> Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh \u0103n m\u00f2n cao, bao g\u1ed3m c\u1ea3 h\u1ee3p ch\u1ea5t clo. Th\u00e9p kh\u00f4ng g\u1ec9 317 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh n\u00e0y cho c\u00e1c thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn, n\u01a1i kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi m\u00f4i tr\u01b0\u1eddng axit l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p><p><strong>Ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng:<\/strong> Th\u00e9p kh\u00f4ng g\u1ec9 317 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, n\u01a1i v\u1ec7 sinh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ea5t quan tr\u1ecdng do ph\u1ea3i ti\u1ebfp x\u00fac v\u1edbi axit h\u1eefu c\u01a1 v\u00e0 ch\u1ea5t t\u1ea9y r\u1eeda.<\/p><p><strong>M\u00f4i tr\u01b0\u1eddng bi\u1ec3n:<\/strong> C\u00e1c b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc m\u1eb7n v\u00e0 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317, gi\u00fap gi\u1ea3m nguy c\u01a1 r\u1ed7 do clorua g\u00e2y ra.<\/p><p><strong>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n: <\/strong>Trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u00e0 h\u1ea1t nh\u00e2n, th\u00e9p kh\u00f4ng g\u1ec9 317 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ed9 ng\u01b0ng t\u1ee5 v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t do c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p><h2 class=\"wp-block-heading\">\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317<\/h2><h3 class=\"wp-block-heading\">Thu\u1eadn l\u1ee3i<\/h3><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i: Th\u00e9p kh\u00f4ng g\u1ec9 317 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 316 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ee9a clorua v\u00e0 h\u1ee3p ch\u1ea5t axit.<\/li><\/ul><ul class=\"wp-block-list\"><li>\u0110\u1ed9 b\u1ec1n nhi\u1ec7t \u0111\u1ed9 cao: H\u1ee3p kim n\u00e0y v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, ph\u00f9 h\u1ee3p \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/li><\/ul><ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh t\u1ed1t: M\u1eb7c d\u00f9 c\u00f3 \u0111\u1ed9 b\u1ec1n cao, th\u00e9p kh\u00f4ng g\u1ec9 317 v\u1eabn c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u1ecbnh h\u00ecnh, do \u0111\u00f3 r\u1ea5t l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/li><\/ul><h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3><ul class=\"wp-block-list\"><li>Chi ph\u00ed cao h\u01a1n: Chi ph\u00ed cao h\u01a1n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317 so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 316 l\u00e0 do n\u1ed3ng \u0111\u1ed9 niken v\u00e0 molypden cao h\u01a1n.<\/li><\/ul><ul class=\"wp-block-list\"><li>Hi\u1ec7u su\u1ea5t h\u1ea1n ch\u1ebf trong m\u1ed9t s\u1ed1 lo\u1ea1i axit: M\u1eb7c d\u00f9 c\u00f3 hi\u1ec7u su\u1ea5t c\u1ef1c k\u1ef3 t\u1ed1t trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, nh\u01b0ng th\u00e9p kh\u00f4ng g\u1ec9 317 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn axit oxy h\u00f3a m\u1ea1nh, ch\u1eb3ng h\u1ea1n nh\u01b0 axit nitric \u0111\u1eadm \u0111\u1eb7c.<\/li><\/ul><h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 317 l\u00e0 g\u00ec?<\/h2><p>Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u00e9p kh\u00f4ng g\u1ec9 317 bao g\u1ed3m m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt cho ph\u00e9p \u0111\u1ecbnh h\u00ecnh, h\u00e0n v\u00e0 x\u1eed l\u00fd th\u00e9p kh\u00f4ng g\u1ec9 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c quy tr\u00ecnh n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i trong m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng \u0111\u00e3 \u0111\u1ecbnh.<\/p><h3 class=\"wp-block-heading\">H\u00ecnh th\u00e0nh<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh b\u1eb1ng c\u00e1ch gia c\u00f4ng ngu\u1ed9i v\u00e0 gia c\u00f4ng n\u00f3ng. Do c\u00f3 \u0111\u1ed9 d\u1ebbo t\u1ed1t n\u00ean c\u00f3 th\u1ec3 duy tr\u00ec c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh k\u00e9o, d\u1eadp v\u00e0 t\u1ea1o h\u00ecnh.<\/p><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t, nh\u01b0ng do h\u00e0m l\u01b0\u1ee3ng molypden cao n\u00ean c\u00f3 th\u1ec3 c\u1ea7n s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u h\u00e0n \u00edt carbon ho\u1eb7c v\u1eadt li\u1ec7u \u0111\u1ed9n c\u00f3 ch\u1ee9a molypden \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 nh\u1ea1y \u0103n m\u00f2n c\u1ee7a m\u1ed1i h\u00e0n. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n n\u00f3ng ch\u1ea3y th\u00f4ng th\u01b0\u1eddng v\u00e0 h\u00e0n \u0111i\u1ec7n tr\u1edf, bao g\u1ed3m h\u00e0n th\u1ee7 c\u00f4ng (nh\u01b0 h\u00e0n TIG v\u00e0 h\u00e0n MIG) v\u00e0 h\u00e0n t\u1ef1 \u0111\u1ed9ng.<\/p><p>Qu\u00e1 tr\u00ecnh \u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau khi h\u00e0n \u0111\u1ec3 lo\u1ea1i b\u1ecf \u1ee9ng su\u1ea5t v\u00e0 k\u1ebft t\u1ee7a cacbua c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf v\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 \u0103n m\u00f2n t\u1ea1i m\u1ed1i h\u00e0n.<\/p><h3 class=\"wp-block-heading\">C\u1eaft<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n m\u1ea1nh. Khi c\u1eaft, c\u1ea7n t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p h\u01a1n, s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 cacbua ho\u1eb7c d\u1ee5ng c\u1ee5 th\u00e9p t\u1ed1c \u0111\u1ed9 cao. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1eaft plasma, c\u1eaft laser v\u00e0 c\u1eaft c\u01a1 h\u1ecdc (nh\u01b0 c\u1eaft ho\u1eb7c c\u01b0a) \u0111\u1ec3 gia c\u00f4ng.<\/p><p>Trong qu\u00e1 tr\u00ecnh c\u1eaft, c\u1ea7n ch\u00fa \u00fd tr\u00e1nh l\u00e0m qu\u00e1 nhi\u1ec7t v\u00f9ng ch\u1ecbu nhi\u1ec7t \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c n\u00f3ng<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 \u0111\u1ed9 d\u1ebbo v\u00e0 \u0111\u1ed9 dai t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u00edch h\u1ee3p cho c\u00e1c qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh n\u00f3ng nh\u01b0 r\u00e8n v\u00e0 c\u00e1n.<\/p><p>R\u00e8n: t\u1eeb 927\u00b0C \u0111\u1ebfn 1204\u00b0C (1700\u00b0F \u0111\u1ebfn 2200\u00b0F), trong \u0111\u00f3 1177\u00b0C (2150\u00b0F) l\u00e0 nhi\u1ec7t \u0111\u1ed9 khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 r\u00e8n.<\/p><p>C\u1ea7n l\u00e0m ngu\u1ed9i nhanh sau khi gia c\u00f4ng n\u00f3ng \u0111\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u. Tr\u00e1nh ti\u1ebfp x\u00fac l\u00e2u v\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1eeb 540\u00b0C \u0111\u1ebfn 760\u00b0C v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 xu\u1ed1ng c\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u.<\/p><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c l\u1ea1nh<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 \u0111\u1eb7c t\u00ednh l\u00e0m vi\u1ec7c ngu\u1ed9i t\u1ed1t, m\u1eb7c d\u00f9 qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u00f3 s\u1ef1 l\u00e0m c\u1ee9ng \u0111\u00e1ng k\u1ec3. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1ea1o h\u00ecnh ngu\u1ed9i bao g\u1ed3m c\u00e1n ngu\u1ed9i, k\u00e9o ngu\u1ed9i v\u00e0 u\u1ed1n.<\/p><p>\u0110\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u sau khi gia c\u00f4ng ngu\u1ed9i t\u0103ng l\u00ean, nh\u01b0ng \u0111\u1ed9 d\u1ebbo gi\u1ea3m \u0111i. \u0110\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u1ee7 trung gian th\u00edch h\u1ee3p.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai th\u00f4ng qua x\u1eed l\u00fd dung d\u1ecbch, nh\u01b0ng kh\u00f4ng th\u1ec3 l\u00e0m c\u1ee9ng b\u1eb1ng x\u1eed l\u00fd nhi\u1ec7t.<\/p><p>\u1ee6 dung d\u1ecbch l\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh, nung n\u00f3ng v\u1eadt li\u1ec7u \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1eeb 1010\u00b0C \u0111\u1ebfn 1121\u00b0C (1850\u00b0F \u0111\u1ebfn 2050\u00b0F) r\u1ed3i l\u00e0m ngu\u1ed9i nhanh ch\u00f3ng.<\/p><p>L\u00e0m m\u00e1t nhanh gi\u00fap ng\u0103n ng\u1eeba \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi x\u1eed l\u00fd c\u00e1c khu v\u1ef1c h\u00e0n.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/h3><p>Th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi nhi\u1ec1u lo\u1ea1i b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n kh\u00e1c nhau, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. C\u00e1c lo\u1ea1i ho\u00e0n thi\u1ec7n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li><strong>S\u1ed1 1 K\u1ebft th\u00fac:<\/strong> L\u1edbp ho\u00e0n thi\u1ec7n th\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi kh\u00f4ng c\u1ea7n b\u1ec1 m\u1eb7t nh\u1eb5n.<\/li>\n\n<li><strong>Ho\u00e0n th\u00e0nh 2B: <\/strong>B\u1ec1 m\u1eb7t s\u00e1ng b\u00f3ng, m\u1ecbn m\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd qu\u00e1 tr\u00ecnh c\u00e1n ngu\u1ed9i v\u00e0 \u1ee7.<\/li>\n\n<li><strong>Ho\u00e0n thi\u1ec7n BA (\u1ee6 s\u00e1ng):<\/strong> L\u1edbp ho\u00e0n thi\u1ec7n b\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch trang tr\u00ed ho\u1eb7c v\u1ec7 sinh.<\/li><\/ul><h2 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304, 316 v\u00e0 317 l\u00e0 g\u00ec?<\/h2><p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-304\/\">304<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-316\/\">316<\/a>v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 317 c\u00f3 h\u00e0m l\u01b0\u1ee3ng molypden, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 v\u00e0 \u0103n m\u00f2n khe h\u1edf, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td>C\u1ea5p<\/td><td>M\u00d4 (%)<\/td><td>Ch\u1ed1ng \u0103n m\u00f2n<\/td><td>\u1ee8ng d\u1ee5ng<\/td><\/tr><tr><td>304<\/td><td>Kh\u00f4ng c\u00f3<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u01a1 b\u1ea3n<\/td><td>\u0110\u1ed3 d\u00f9ng gia \u0111\u00ecnh, m\u1ee5c \u0111\u00edch chung<\/td><\/tr><tr><td>316<\/td><td>2 \u2013 3<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng clorua t\u1ed1t h\u01a1n<\/td><td>H\u00f3a ch\u1ea5t, h\u00e0ng h\u1ea3i, y t\u1ebf<\/td><\/tr><tr><td>317<\/td><td>3 \u2013 4<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng clorua v\u01b0\u1ee3t tr\u1ed9i<\/td><td>H\u00f3a ch\u1ea5t, gi\u1ea5y, h\u00e0ng h\u1ea3i<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 317L l\u00e0 g\u00ec?<\/h2><p>Th\u00e9p kh\u00f4ng g\u1ec9 317L, l\u00e0 phi\u00ean b\u1ea3n th\u1ea3m c\u1ee7a 317, l\u00e0 austenit v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 ch\u1ee9a clorua v\u00e0 axit. Thi\u1ebft k\u1ebf carbon th\u1ea5p c\u1ee7a n\u00f3 l\u00e0m gi\u1ea3m nguy c\u01a1 k\u1ebft t\u1ee7a cacbua sau khi h\u00e0n v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t. N\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0103n m\u00f2n cao, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00f3a ch\u1ea5t, h\u00e0ng h\u1ea3i, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p><h3 class=\"wp-block-heading\">C\u00e1c c\u1ea5p \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 317L<\/h3><ul class=\"wp-block-list\"><li>UNS: S31703<\/li><\/ul><ul class=\"wp-block-list\"><li>Ti\u1ebfng Vi\u1ec7t: X2CrNiMo18-15-4 (1.4438)<\/li><\/ul><ul class=\"wp-block-list\"><li>JIS: SUS317L<\/li><\/ul><h3 class=\"wp-block-heading\">317 Ti\u00eau chu\u1ea9n<\/h3><ul class=\"wp-block-list\"><li>Ti\u00eau chu\u1ea9n ASTMA479<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA240<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA276<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA312<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA182<\/li><\/ul><h3 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a 317L<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td>Y\u1ebfu t\u1ed1<\/td><td>Ph\u1ea1m vi th\u00e0nh ph\u1ea7n<\/td><\/tr><tr><td>Cacbon (C)<\/td><td>\u2264 0,03%<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>\u2264 2,00%<\/td><\/tr><tr><td>Silic (Si)<\/td><td>\u2264 1,00%<\/td><\/tr><tr><td>Crom (Cr)<\/td><td>18.0% &#8211; 20.0%<\/td><\/tr><tr><td>Niken (Ni)<\/td><td>11.0% &#8211; 15.0%<\/td><\/tr><tr><td>Molip\u0111en (Mo)<\/td><td>3.0% &#8211; 4.0%<\/td><\/tr><tr><td>Nit\u01a1 (N)<\/td><td>\u2264 0,10%<\/td><\/tr><tr><td>L\u01b0u hu\u1ef3nh (S)<\/td><td>\u2264 0,03%<\/td><\/tr><tr><td>Ph\u1ed1t pho (P)<\/td><td>\u2264 0,045%<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">C\u00e1c d\u1ea1ng th\u00e9p kh\u00f4ng g\u1ec9 317L<\/h3><p>SteelPRO Group cung c\u1ea5p nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m th\u00e9p kh\u00f4ng g\u1ec9 317L, bao g\u1ed3m:<\/p><ul class=\"wp-block-list\"><li><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/plate\/317l-plate\/\">T\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 317L<\/a>, cu\u1ed9n, t\u1ea5m, d\u00e2y<\/li><\/ul><ul class=\"wp-block-list\"><li><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/coil\/317l-coil-rod-round-bars\/\">Thanh tr\u00f2n th\u00e9p kh\u00f4ng g\u1ec9 317L<\/a>, thanh vu\u00f4ng, thanh ph\u1eb3ng, g\u00f3c, k\u00eanh, \u1ed1ng, \u1ed1ng, \u1ed1ng li\u1ec1n m\u1ea1ch v\u00e0 h\u00e0n<\/li><\/ul><ul class=\"wp-block-list\"><li>Ph\u1ee5 ki\u1ec7n, m\u1eb7t b\u00edch, ph\u00f4i v\u00e0 r\u00e8n b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 317L<\/li><\/ul><p>Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p cho kh\u00e1ch h\u00e0ng c\u00e1c k\u00edch th\u01b0\u1edbc v\u00e0 d\u1ecbch v\u1ee5 x\u1eed l\u00fd t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhi\u1ec1u y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t kh\u00e1c nhau.<\/p><h3 class=\"wp-block-heading\">H\u00e0n th\u00e9p kh\u00f4ng g\u1ec9 317L<\/h3><p>V\u1edbi hi\u1ec7u su\u1ea5t h\u00e0n tuy\u1ec7t v\u1eddi, 317L c\u00f3 th\u1ec3 h\u00e0n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n th\u00f4ng th\u01b0\u1eddng nh\u01b0 h\u00e0n n\u00f3ng ch\u1ea3y, h\u00e0n \u0111i\u1ec7n tr\u1edf, v.v. Do h\u00e0m l\u01b0\u1ee3ng cacbon th\u1ea5p n\u00ean kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng k\u1ebft t\u1ee7a cacbua trong qu\u00e1 tr\u00ecnh h\u00e0n, do \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t, do \u0111\u00f3 th\u01b0\u1eddng kh\u00f4ng c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n.&nbsp;<\/p><p>Khi h\u00e0n, n\u00ean s\u1eed d\u1ee5ng kim lo\u1ea1i h\u00e0n AWS E317L ho\u1eb7c ER317L ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 hi\u1ec7u qu\u1ea3 h\u00e0n t\u1ed1t nh\u1ea5t.<\/p><h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 316, 316L v\u00e0 317L l\u00e0 g\u00ec?<\/h3><p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa 316, 316L v\u00e0 317L l\u00e0 h\u00e0m l\u01b0\u1ee3ng molypden v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.&nbsp;<\/p><p>317L ch\u1ee9a nhi\u1ec1u molypden h\u01a1n, gi\u00fap ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n 316 v\u00e0 316L trong m\u00f4i tr\u01b0\u1eddng clorua v\u00e0 axit kh\u1eafc nghi\u1ec7t. H\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p c\u1ee7a 316L ng\u0103n ng\u1eeba \u0103n m\u00f2n gi\u1eefa c\u00e1c h\u1ea1t khi h\u00e0n, trong khi 317L c\u00f3 c\u00f9ng l\u1ee3i th\u1ebf v\u1ec1 carbon th\u1ea5p v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n cao.<\/p><h3 class=\"wp-block-heading\">317L c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h3><p>\u1ede tr\u1ea1ng th\u00e1i \u1ee7, th\u00e9p kh\u00f4ng g\u1ec9 317L th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00f4ng t\u1eeb t\u00ednh. Tuy nhi\u00ean, sau qu\u00e1 tr\u00ecnh gia c\u00f4ng ngu\u1ed9i ho\u1eb7c h\u00e0n, n\u00f3 c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh nh\u1eb9, m\u1eb7c d\u00f9 nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3.<\/p><h2 class=\"wp-block-heading\">Nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 317 &amp; 317L<\/h2><p>SteelPRO Group l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p th\u00e9p kh\u00f4ng g\u1ec9 317 v\u00e0 317L, cung c\u1ea5p c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p t\u00f9y ch\u1ec9nh ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 d\u1ecbch v\u1ee5 sau b\u00e1n h\u00e0ng \u0111\u00e1ng tin c\u1eady.<\/p><p>Khi ch\u1ecdn ch\u00fang t\u00f4i l\u00e0m \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb h\u01a1n 17 n\u0103m kinh nghi\u1ec7m s\u1ea3n xu\u1ea5t, h\u01a1n 1 tri\u1ec7u t\u1ea5n c\u00f4ng su\u1ea5t s\u1ea3n xu\u1ea5t h\u00e0ng n\u0103m v\u00e0 cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng 100%. Ch\u00fang t\u00f4i cung c\u1ea5p gi\u00e1 tr\u1ef1c ti\u1ebfp t\u1eeb nh\u00e0 m\u00e1y, \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1ee7 h\u00e0ng t\u1ed3n kho, \u0111\u1ea3m b\u1ea3o giao h\u00e0ng \u0111\u00fang h\u1ea1n v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau c\u1ee7a b\u1ea1n.<\/p><p><a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> b\u00e2y gi\u1edd ho\u1eb7c ti\u1ebfp t\u1ee5c duy\u1ec7t c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/steelprogroup.com\/vi\/blog\/\">blog<\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 gi\u1ea3i ph\u00e1p \u0111\u1ed9c quy\u1ec1n c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>We will introduce to you in detail the composition, properties, application fields, processing methods, advantages and disadvantages of 317 stainless [&hellip;]<\/p>","protected":false},"author":1,"featured_media":10926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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