{"id":2191,"date":"2021-07-21T14:05:56","date_gmt":"2021-07-21T14:05:56","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2191"},"modified":"2021-07-21T14:05:56","modified_gmt":"2021-07-21T14:05:56","slug":"whats-dss","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/vi\/whats-dss\/","title":{"rendered":"DSS l\u00e0 g\u00ec?"},"content":{"rendered":"

DSS, t\u00ean vi\u1ebft t\u1eaft c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Duplex, l\u00e0 m\u1ed9t ph\u00e2n lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 bao g\u1ed3m hai lo\u1ea1i th\u00e9p v\u1edbi th\u00e9p \u1edf gi\u1eefa bao g\u1ed3m austenitize ho\u1eb7c ferric. Ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00e9p song c\u00f4ng v\u00ec c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a ch\u00fang c\u00f3 hai pha ri\u00eang bi\u1ec7t, c\u1ea3 hai \u0111\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng martensite t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng lo\u1ea1i th\u00e9p n\u00e0y r\u1ea5t h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 d\u1ebbo dai cao v\u00ec hai pha c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao. Th\u00e9p kh\u00f4ng g\u1ec9 song c\u00f4ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng \u1edf c\u1ea3 hai pha austenit v\u00e0 martensite do s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 austenite d\u01b0. C\u00e1c lo\u1ea1i DSS th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 S31804, S32750 v\u00e0 SS32550.<\/p>\n

C\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 song c\u00f4ng<\/em><\/h2>\n\n\n\n\n\n\n\n
Ki\u1ec3u<\/td>\nUNS<\/td>\nTh\u1ee5y \u0110i\u1ec3n<\/td>\nti\u1ebfng \u0110\u1ee9c<\/td>\nPh\u00e1p<\/td>\nNh\u1eadt B\u1ea3n<\/td>\n<\/tr>\n
H\u1ee3p kim th\u1ea5p<\/td>\nUN23(SAF2304)<\/td>\nSS232(SAF2304)<\/td>\nW.Nr.1.4362<\/td>\nUR35N<\/td>\nDP11<\/td>\n<\/tr>\n
H\u1ee3p kim trung b\u00ecnh<\/td>\nUNS S31500<\/p>\n

UNS S31804<\/a><\/td>\n

SS2376(3RE60)<\/p>\n

SS2377(SAF2205)<\/td>\n

W.Nr.1.4417<\/p>\n

W.Nr.1.4462<\/td>\n

UR45N<\/td>\nDP1<\/p>\n

DP8<\/td>\n<\/tr>\n

H\u1ee3p kim cao<\/td>\nUNS S32900<\/p>\n

UNS S31260<\/td>\n

SS2324(10RE51)<\/td>\nW.Nr.1.4460<\/p>\n

W.Nr.1.4501<\/td>\n

 <\/td>\n329J1<\/p>\n

329J2L<\/td>\n<\/tr>\n

Si\u00eau song c\u00f4ng<\/td>\nUNS S32750<\/a><\/p>\n

UNS S32550<\/td>\n

SS2328(SAF2507)<\/td>\nW.Nr.1.4410<\/p>\n

W.Nr.1.4507<\/td>\n

UR47N+<\/p>\n

UR52N+<\/td>\n

 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Ngo\u00e0i b\u1ea3n th\u00e2n h\u1ee3p kim, m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c g\u00f3p ph\u1ea7n v\u00e0o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 l\u00e0 h\u00e0m l\u01b0\u1ee3ng niken. Niken th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y v\u1edbi t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m cao h\u01a1n trong h\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ef1c k\u1ef3 h\u1eefu \u00edch. So v\u1edbi niken, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ee3p kim hi\u1ec7u su\u1ea5t cao v\u00ec t\u00ednh d\u1eabn \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o th\u00e0nh h\u1ee3p kim ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, niken kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 song ch\u1ea5t l\u01b0\u1ee3ng cao. M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh th\u00fa v\u1ecb nh\u1ea5t c\u1ee7a h\u1ee3p kim niken l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh s\u1ef1 thay th\u1ebf t\u1ed1t nh\u1ea5t cho c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7u su\u1ea5t cao. Khi tr\u1ed9n v\u1edbi th\u00e9p, niken t\u1ea1o ra h\u1ee3p kim \u1ed5n \u0111\u1ecbnh h\u01a1n, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a h\u1ee3p kim.<\/p>\n

M\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng kh\u00e1c c\u1ee7a h\u1ee3p kim n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u00e3n n\u1edf nhi\u1ec7t cao. N\u00f3 th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 ch\u1ed1ng gi\u00e3n n\u1edf nhi\u1ec7t cao b\u1ea5t ch\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng gi\u00e3n n\u1edf c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit, do t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3. \u0110\u1eb7c t\u00ednh n\u00e0y mang l\u1ea1i cho n\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong chu tr\u00ecnh \u1ee7\/lo\u1ea1i b\u1ecf v\u1ebft b\u1ea9n. T\u00ednh n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 song c\u00f4ng cho ph\u00e9p n\u00f3 \u0111\u1ee9ng v\u1eefng tr\u01b0\u1edbc nhi\u1ec1u lo\u1ea1i h\u00f3a ch\u1ea5t. N\u00f3 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng d\u1ea7u, m\u1ee1 cao v\u00e0 c\u00e1c ch\u1ea5t l\u1ecfng kh\u00e1c c\u00f3 \u0111\u1ed9 nh\u1edbt cao.<\/p>\n

Ngo\u00e0i nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m tr\u00ean, inox song c\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n cao. Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cao l\u00ean t\u1edbi 300Kg c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c nh\u1edd kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u00e1c cu\u1ed9n tr\u1ee5c g\u00e1 hai chi\u1ec1u. N\u00f3 bao g\u1ed3m m\u1ed9t s\u1ee3i carbon c\u1ee9ng \u0111\u01b0\u1ee3c cu\u1ed9n th\u00e0nh c\u00e1c d\u1ea3i \u0111\u01b0\u1ee3c \u0111an xen \u1edf c\u1ea3 hai b\u00ean v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t thanh c\u00f3 tr\u1ee5c g\u00e1. M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m n\u1eefa khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t h\u1ee3p kim tuy\u1ec7t v\u1eddi l\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 ho\u00e0n to\u00e0n nh\u1eb5n kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng g\u1edd.<\/p>\n

M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean \u0111\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 song c\u00f4ng l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n r\u1ed7 th\u1ea5p. Nh\u1eefng lo\u1ea1i th\u00e9p n\u00e0y c\u00f3 t\u1ed1c \u0111\u1ed9 h\u00ecnh th\u00e0nh h\u1ea1t tinh th\u1ec3 th\u1ea5p b\u00ean trong h\u1ee3p kim n\u00f3ng. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea3 c\u00f4ng tr\u00ecnh l\u1edbn v\u00e0 nh\u1ecf trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Do kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c h\u1ea1t tinh th\u1ec3 n\u00ean ch\u00fang \u0111\u01b0\u1ee3c ng\u00e0nh x\u00e2y d\u1ef1ng \u0111\u00e1nh gi\u00e1 cao.<\/p>\n

C\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 song c\u00f4ng mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i \u00edch khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho nhi\u1ec1u \u1ee9ng d\u1ee5ng. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y cho ph\u00e9p c\u00e1c lo\u1ea1i th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau bao g\u1ed3m ch\u1ebf t\u1ea1o linh ki\u1ec7n k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 ch\u1ebf t\u1ea1o kim lo\u1ea1i t\u1ea5m. M\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh quan tr\u1ecdng kh\u00e1c c\u1ee7a lo\u1ea1i h\u1ee3p kim n\u00e0y bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao, m\u1eadt \u0111\u1ed9 th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi. H\u1ecd c\u0169ng cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc g\u00f3p ph\u1ea7n v\u00e0o t\u00ednh ch\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ee3p kim. Ch\u00fang bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao, \u0111\u1ed9 d\u1ebbo dai, kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"

DSS, t\u00ean vi\u1ebft t\u1eaft c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 Duplex, l\u00e0 m\u1ed9t ph\u00e2n lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 bao g\u1ed3m hai lo\u1ea1i th\u00e9p v\u1edbi th\u00e9p \u1edf gi\u1eefa bao g\u1ed3m austenitize ho\u1eb7c ferric. Ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00e9p song c\u00f4ng v\u00ec c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a ch\u00fang c\u00f3 hai pha ri\u00eang bi\u1ec7t, c\u1ea3 hai \u0111\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng martensite t\u01b0\u01a1ng \u1ee9ng. Nh\u1eefng lo\u1ea1i th\u00e9p n\u00e0y r\u1ea5t [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2191","post","type-post","status-publish","format-standard","hentry","category-social-activities"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/comments?post=2191"}],"version-history":[{"count":1,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2191\/revisions"}],"predecessor-version":[{"id":2192,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2191\/revisions\/2192"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media?parent=2191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/categories?post=2191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/tags?post=2191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}