Th\u00e9p kh\u00f4ng g\u1ec9 310S l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 crom-niken austenit, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. T\u1ef7 l\u1ec7 h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao gi\u00fap n\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n r\u00e3o t\u1ed1t, c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t. H\u00e0m l\u01b0\u1ee3ng Ni (Ni), Cr (Cr) cao l\u00e0m cho n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a t\u1ed1t, ch\u1ed1ng \u0103n m\u00f2n, kh\u00e1ng axit v\u00e0 ki\u1ec1m, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t \u1ed1ng l\u00f2 \u0111i\u1ec7n v\u00e0 c\u00e1c d\u1ecbp kh\u00e1c. \u0110\u1ed9 b\u1ec1n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit t\u0103ng l\u00ean khi h\u00e0m l\u01b0\u1ee3ng carbon t\u0103ng l\u00ean do t\u00e1c d\u1ee5ng t\u0103ng c\u01b0\u1eddng dung d\u1ecbch c\u1ee7a n\u00f3. Th\u00e9p kh\u00f4ng g\u1ec9 austenit c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ed9 b\u1ec1n d\u00e3o \u1edf nhi\u1ec7t \u0111\u1ed9 cao do c\u1ea5u tr\u00fac h\u00ecnh kh\u1ed1i t\u1eadp trung v\u00e0o m\u1eb7t, d\u1ef1a tr\u00ean crom v\u00e0 niken.<\/p>\n
Th\u00e9p kh\u00f4ng g\u1ec9 309S (23Cr-13Ni) c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn 1000oC. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng axit \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 b\u1ec1n nhi\u1ec7t \u0111\u1ed9 cao tuy\u1ec7t v\u1eddi, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 h\u1ee3p kim cao, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u00e1y x\u1ea3, l\u00f2 x\u1eed l\u00fd nhi\u1ec7t v\u00e0 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, v.v. Th\u00e9p kh\u00f4ng g\u1ec9 austenit 309S v\u00e0 310S th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00e1c \u1ee9ng d\u1ee5ng. H\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao c\u1ee7a ch\u00fang \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng oxy h\u00f3a t\u1ed1t, \u0111\u1ed3ng th\u1eddi ch\u00fang m\u1ea1nh h\u01a1n m\u1ed9t ch\u00fat \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng so v\u1edbi h\u1ee3p kim austenit 304.<\/p>\n
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Nhi\u1ec7t \u0111\u1ed9 kh\u1ea3 d\u1ee5ng c\u1ee7a 310S: 1000 ~ 1200oC, nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cao nh\u1ea5t l\u00e0 1200oC, nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng li\u00ean t\u1ee5c l\u00e0 1150oC. N\u00f3 l\u00e0 lo\u1ea1i th\u00e9p ch\u1ee7 \u0111\u1ea1o c\u1ee7a d\u00f2ng th\u00e9p ch\u1ecbu nhi\u1ec7t;<\/p>\n
Nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ee7a 309S: 900 ~ 1000oC. Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cao nh\u1ea5t l\u00e0 1050oC, trong 650-700oC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng l\u1edbn trong th\u1eddi gian d\u00e0i.<\/p>\n
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\u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 310S \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn ch\u1ea5t l\u1ecfng nh\u01b0 d\u1ea7u m\u1ecf, kh\u00ed \u0111\u1ed1t t\u1ef1 nhi\u00ean, n\u01b0\u1edbc, kh\u00ed \u0111\u1ed1t, h\u01a1i n\u01b0\u1edbc v\u00e0 u\u1ed1n cong, \u0111\u1ed9 b\u1ec1n xo\u1eafn c\u1ee7a c\u00f9ng lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 so v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 n\u00ean c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9. b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed v\u00e0 k\u1ebft c\u1ea5u k\u1ef9 thu\u1eadt v\u00e0 v\u0169 kh\u00ed th\u00f4ng th\u01b0\u1eddng, th\u00f9ng, \u0111\u1ea1n ph\u00e1o.<\/p>\n
Cu\u1ed1i c\u00f9ng, s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 309S v\u00e0 310S l\u00e0 h\u00e0m l\u01b0\u1ee3ng Ni v\u00e0 Cr, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang kh\u00f4ng b\u1ecb h\u1ecfng do m\u1ecfi, c\u0103ng th\u1eb3ng ho\u1eb7c \u0103n m\u00f2n, nh\u01b0 th\u01b0\u1eddng x\u1ea3y ra v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng kh\u00e1c. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao \u1ed1ng li\u1ec1n m\u1ea1ch 309S v\u00e0 310S SS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm nh\u1eefng \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng cao l\u00fd t\u01b0\u1edfng, t\u1ed1t h\u01a1n h\u1ebft b\u1ea1n n\u00ean mua ch\u00fang t\u1eeb nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 cung c\u1ea5p s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi gi\u00e1 c\u1ea3 h\u1ee3p l\u00fd.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Th\u00e9p kh\u00f4ng g\u1ec9 310S l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 crom-niken austenit, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. T\u1ef7 l\u1ec7 h\u00e0m l\u01b0\u1ee3ng crom v\u00e0 niken cao gi\u00fap n\u00f3 c\u00f3 \u0111\u1ed9 b\u1ec1n r\u00e3o t\u1ed1t, c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t. H\u00e0m l\u01b0\u1ee3ng Ni (Ni), Cr (Cr) cao l\u00e0m cho n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a, ch\u1ed1ng \u0103n m\u00f2n, ch\u1ed1ng axit t\u1ed1t [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2182","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2182","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=2182"}],"version-history":[{"count":2,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2182\/revisions"}],"predecessor-version":[{"id":2185,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2182\/revisions\/2185"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media?parent=2182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/categories?post=2182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/tags?post=2182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}