{"id":2149,"date":"2021-06-30T12:54:16","date_gmt":"2021-06-30T12:54:16","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2149"},"modified":"2021-06-30T12:55:48","modified_gmt":"2021-06-30T12:55:48","slug":"comparison-of-301-301l-301ln-steel-plate","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/vi\/comparison-of-301-301l-301ln-steel-plate\/","title":{"rendered":"So s\u00e1nh th\u00e9p t\u1ea5m 301, 301L, 301LN"},"content":{"rendered":"

Th\u00e9p kh\u00f4ng g\u1ec9 301 l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 austenit c\u00f3 t\u1ed1c \u0111\u1ed9 \u0111\u00f4ng c\u1ee9ng cao. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1300MPa ho\u1eb7c h\u01a1n. C\u00f3 s\u1eb5n 1\/16 t\u1ea5m 301 c\u00e1n ngu\u1ed9i c\u1ee9ng \u0111\u1ebfn c\u1ee9ng ho\u00e0n to\u00e0n v\u00e0 duy tr\u00ec \u0111\u1ee7 \u0111\u1ed9 d\u1ebbo trong 1\/2 \u0111i\u1ec1u ki\u1ec7n \u0111\u00f4ng c\u1ee9ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y bay, b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u c\u1ee7a c\u00e1c t\u00f2a nh\u00e0, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng s\u1eaft sau khi l\u0103n ho\u1eb7c u\u1ed1n. N\u00ean s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m c\u00e1n ngu\u1ed9i t\u1eeb c\u1ee9ng 3\/4 \u0111\u1ebfn c\u1ee9ng ho\u00e0n to\u00e0n cho c\u00e1c thi\u1ebft k\u1ebf linh ki\u1ec7n \u0111\u01a1n gi\u1ea3n, y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao. C\u00e1c 301L<\/a> v\u00e0 301LN l\u00e0 c\u00e1c phi\u00ean b\u1ea3n c\u00f3 l\u01b0\u1ee3ng carbon th\u1ea5p v\u00e0 c\u00e1c phi\u00ean b\u1ea3n c\u00f3 h\u00e0m l\u01b0\u1ee3ng nit\u01a1 cao c\u1ee7a 301. N\u1ebfu c\u1ea7n \u0111\u1ed9 d\u1ebbo t\u1ed1t h\u01a1n ho\u1eb7c c\u1ea7n h\u00e0n c\u00e1c m\u1eb7t c\u1eaft d\u00e0y th\u00ec n\u00ean \u01b0u ti\u00ean lo\u1ea1i 301L c\u00f3 l\u01b0\u1ee3ng carbon th\u1ea5p. H\u00e0m l\u01b0\u1ee3ng nit\u01a1 cao h\u01a1n 301Ln c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp cho h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n. Ch\u00fang \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ASTM A666, JIS G4305 v\u00e0 EN 10088-2.<\/p>\n

 <\/p>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a 301, 301L, 301LN<\/strong><\/p>\n\n\n\n\n\n\n
C\u1ea5p<\/td>\nC<\/td>\nMn<\/td>\nS\u0129<\/td>\nP<\/td>\nS<\/td>\nCr<\/td>\nNi<\/td>\nN<\/td>\n<\/tr>\n
301<\/td>\n.10,15<\/td>\n2.0<\/td>\n1.0<\/td>\n0.045<\/td>\n0.03<\/td>\n16.0-18.0<\/td>\n6.0-8.0<\/td>\n0.1<\/td>\n<\/tr>\n
301L<\/td>\n0,03<\/td>\n2.0<\/td>\n1.0<\/td>\n0.045<\/td>\n0.03<\/td>\n16.0-18.0<\/td>\n6.0-8.0<\/td>\n0.2<\/td>\n<\/tr>\n
201LN<\/td>\n0,03<\/td>\n2.0<\/td>\n1.0<\/td>\n0.045<\/td>\n0.03<\/td>\n16.5-18.5<\/td>\n6.0-8.0<\/td>\n0.07-0.2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a 301, 301L, 301LN<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
301 \u1ee7<\/p>\n

ASTM A666<\/td>\n

\u0110\u1ed9 b\u1ec1n k\u00e9o, Mpa<\/td>\nC\u01b0\u1eddng \u0111\u1ed9 n\u0103ng su\u1ea5t 0,2%, Mpa<\/td>\n\u0110\u1ed9 gi\u00e3n d\u00e0i (trong 50mm) d\u00e0y> 0,76mm<\/td>\n\u0110\u1ed9 c\u1ee9ng, Rockwell<\/td>\n<\/tr>\n
\u1ee6<\/td>\n515<\/td>\n205<\/td>\n40<\/td>\n\/<\/td>\n<\/tr>\n
1\/16 c\u1ee9ng<\/td>\n620<\/td>\n310<\/td>\n40<\/td>\n\/<\/td>\n<\/tr>\n
1\/8 c\u1ee9ng<\/td>\n690<\/td>\n380<\/td>\n40<\/td>\n\/<\/td>\n<\/tr>\n
1\/4 c\u1ee9ng<\/td>\n860<\/td>\n515<\/td>\n25<\/td>\n25-32<\/td>\n<\/tr>\n
1\/2 c\u1ee9ng<\/td>\n1035<\/td>\n760<\/td>\n18<\/td>\n32-37<\/td>\n<\/tr>\n
3\/4 c\u1ee9ng<\/td>\n1205<\/td>\n930<\/td>\n12<\/td>\n37-41<\/td>\n<\/tr>\n
\u0110\u1ea7y kh\u00f3 kh\u0103n<\/td>\n1275<\/td>\n965<\/td>\n9<\/td>\n41+<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a 301, 301L, 301LN<\/strong><\/p>\n\n\n\n\n\n\n\n
C\u1ea5p<\/td>\nUNS Kh\u00f4ng<\/td>\nEuronorm<\/td>\nJIS<\/td>\n<\/tr>\n
KH\u00d4NG<\/td>\nT\u00ean<\/td>\n<\/tr>\n
301<\/td>\nS30100<\/td>\n1.4319<\/td>\nX5CrNi17-7<\/td>\nSUS 301<\/td>\n<\/tr>\n
301L<\/td>\nS30103<\/td>\n\/<\/td>\n\/<\/td>\nSUS 301L<\/td>\n<\/tr>\n
201LN<\/td>\nS30153<\/td>\n1.4318<\/td>\nX2CrNiN18-7<\/td>\n\/<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 304<\/a>, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0103n m\u00f2n nh\u1eb9.<\/p>\n

Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong><\/p>\n

Kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi 840\u00b0C (s\u1eed d\u1ee5ng kh\u00f4ng li\u00ean t\u1ee5c) v\u00e0 900\u00b0C (s\u1eed d\u1ee5ng li\u00ean t\u1ee5c). Ti\u1ebfp x\u00fac tr\u00ean 400 \u00b0 C l\u00e0m m\u1ea5t d\u1ea7n hi\u1ec7u \u1ee9ng l\u00e0m c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n \u1edf 800 \u00b0 C t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 301 \u1ee7. Trong \u0111i\u1ec1u ki\u1ec7n r\u00e3o, c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a 301 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m c\u1ee9ng th\u1eadm ch\u00ed c\u00f2n gi\u1ea3m xu\u1ed1ng th\u1ea5p h\u01a1n so v\u1edbi 301 \u0111\u00e3 \u1ee7.<\/p>\n

X\u1eed l\u00fd dung d\u1ecbch (\u1ee7)<\/strong><\/p>\n

L\u00e0m n\u00f3ng \u0111\u1ebfn 1010-1120\u00b0C v\u00e0 l\u00e0m ngu\u1ed9i nhanh v\u00e0 \u1ee7 \u1edf kho\u1ea3ng 1020\u00b0C. X\u1eed l\u00fd nhi\u1ec7t s\u1ebd kh\u00f4ng l\u00e0m c\u1ee9ng n\u00f3.<\/p>\n

L\u00e0m vi\u1ec7c l\u1ea1nh<\/strong><\/p>\n

th\u00e9p kh\u00f4ng g\u1ec9 301<\/a> v\u00e0 phi\u00ean b\u1ea3n carbon th\u1ea5p 301L d\u00e0nh cho nhu c\u1ea7u trong nh\u1eefng d\u1ecbp c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao. N\u00f3 c\u00f3 t\u1ed1c \u0111\u1ed9 l\u00e0m c\u1ee9ng r\u1ea5t cao kho\u1ea3ng 14MPa\/%Ra (\u0111\u1ed1i v\u1edbi m\u1ed7i 1% gi\u1ea3m b\u1ec1 m\u1eb7t l\u00e0m vi\u1ec7c ngu\u1ed9i, \u0111\u1ed9 b\u1ec1n k\u00e9o t\u0103ng 14MPa), c\u00e1n ngu\u1ed9i v\u00e0 t\u1ea1o h\u00ecnh ngu\u1ed9i c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 r\u1ea5t cao, m\u1ed9t ph\u1ea7n austenite l\u00e0m c\u1ee9ng bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh mactenxit. 301 kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n \u1ee7, nh\u01b0ng c\u00f3 t\u1eeb t\u00ednh m\u1ea1nh sau khi gia c\u00f4ng ngu\u1ed9i.<\/p>\n

h\u00e0n<\/strong><\/p>\n

301 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ti\u00eau chu\u1ea9n v\u00e0 h\u1ea7u h\u1ebft kim lo\u1ea1i ph\u1ee5 308L c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed1i h\u00e0n 301. C\u00e1c m\u1ed1i h\u00e0n inox 301 ph\u1ea3i \u0111\u01b0\u1ee3c \u1ee7 \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1i \u01b0u, trong khi c\u00e1c m\u1ed1i h\u00e0n 301L ho\u1eb7c 301Ln kh\u00f4ng c\u1ea7n \u1ee7. H\u00e0n v\u00e0 \u1ee7 sau h\u00e0n \u0111\u1ec1u l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n cao do c\u00e1n ngu\u1ed9i n\u00ean h\u00e0n \u0111i\u1ec3m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c chi ti\u1ebft 301 c\u00e1n ngu\u1ed9i c\u00f3 v\u00f9ng ch\u1ecbu nhi\u1ec7t nh\u1ecf v\u00e0 \u0111\u1ed9 b\u1ec1n to\u00e0n b\u1ed9 chi ti\u1ebft h\u1ea7u nh\u01b0 kh\u00f4ng gi\u1ea3m.<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/strong><\/p>\n

C\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n \u0111\u01b0\u1eddng s\u1eaft - t\u1ea1o h\u00ecnh cu\u1ed9n, t\u1ea1o h\u00ecnh u\u1ed1n ho\u1eb7c t\u1ea1o h\u00ecnh k\u00e9o d\u00e0i th\u00e0nh c\u00e1c bi\u00ean d\u1ea1ng, c\u0169ng \u1edf d\u1ea1ng t\u1ea5m. Th\u00e2n m\u00e1y bay, r\u01a1-mo\u00f3c \u0111\u01b0\u1eddng b\u1ed9, n\u1eafp tr\u1ee5c \u00f4 t\u00f4, gi\u00e1 \u0111\u1ee1 g\u1ea1t n\u01b0\u1edbc, l\u00f2 xo n\u01b0\u1edbng b\u00e1nh m\u00ec, v\u1eadt c\u1ed1 \u0111\u1ecbnh b\u1ebfp, khung m\u00e0n h\u00ecnh, t\u01b0\u1eddng r\u00e8m, v.v.<\/p>\n

 <\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Th\u00e9p kh\u00f4ng g\u1ec9 301 l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 austenit c\u00f3 t\u1ed1c \u0111\u1ed9 \u0111\u00f4ng c\u1ee9ng cao. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 1300MPa ho\u1eb7c h\u01a1n. C\u00f3 s\u1eb5n 1\/16 t\u1ea5m 301 c\u00e1n ngu\u1ed9i c\u1ee9ng \u0111\u1ebfn c\u1ee9ng ho\u00e0n to\u00e0n v\u00e0 duy tr\u00ec \u0111\u1ee7 \u0111\u1ed9 d\u1ebbo trong 1\/2 \u0111i\u1ec1u ki\u1ec7n \u0111\u00f4ng c\u1ee9ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y bay, c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u c\u1ee7a t\u00f2a nh\u00e0, [\u2026]<\/p>","protected":false},"author":1,"featured_media":1818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2149","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2149","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=2149"}],"version-history":[{"count":3,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2149\/revisions"}],"predecessor-version":[{"id":2152,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2149\/revisions\/2152"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media\/1818"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media?parent=2149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/categories?post=2149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/tags?post=2149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}