{"id":2114,"date":"2021-03-09T09:03:34","date_gmt":"2021-03-09T09:03:34","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2114"},"modified":"2021-03-09T12:46:29","modified_gmt":"2021-03-09T12:46:29","slug":"whats-18ni-maraging-steel","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/vi\/whats-18ni-maraging-steel\/","title":{"rendered":"Th\u00e9p Maraging 18Ni l\u00e0 g\u00ec?"},"content":{"rendered":"

Th\u00e9p Maraging l\u00e0 m\u1ed9t lo\u1ea1i th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 c\u1ef1c cao, n\u00f3 d\u1ef1a tr\u00ean Fe-Ni Martensite kh\u00f4ng ch\u1ee9a carbon ho\u1eb7c carbon c\u1ef1c th\u1ea5p l\u00e0m n\u1ec1n v\u00e0 l\u00e0m cho c\u00e1c h\u1ee3p ch\u1ea5t kim lo\u1ea1i gi\u00e0 \u0111i \u0111\u1ec3 k\u1ebft t\u1ee7a v\u00e0 c\u1ee9ng l\u1ea1i. C\u00e1c lo\u1ea1i th\u00e9p Maraging 18Ni(200), 18Ni(250) v\u00e0 18Ni(300) c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y 1400, 1700 v\u00e0 1900 MPa \u0111\u01b0\u1ee3c INCO thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c h\u00e0m l\u01b0\u1ee3ng Co, Mo v\u00e0 Ti kh\u00e1c nhau v\u00e0o Fe-Ni Martensitic h\u1ee3p kim th\u00f4ng qua qu\u00e1 tr\u00ecnh l\u00e0m c\u1ee9ng l\u00e3o h\u00f3a. 18Ni(200) v\u00e0 18Ni(250) th\u00e9p<\/a> l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho v\u1ecf \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda ho\u1eb7c m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t c\u1ea7n \u0111\u1ed9 b\u1ec1n c\u1ef1c cao. S\u1ee9c m\u1ea1nh c\u1ee7a th\u00e9p Maraging kh\u00f4ng \u0111\u1ebfn t\u1eeb carbon m\u00e0 \u0111\u1ebfn t\u1eeb s\u1ef1 k\u1ebft t\u1ee7a c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t li\u00ean kim lo\u1ea1i. Th\u00e9p AISI 18Ni l\u00e0 lo\u1ea1i th\u00e9p \u0111\u1ea1i di\u1ec7n c\u1ee7a Maraging. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a th\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh:<\/p>\n\n\n\n\n\n\n\n
AISI<\/strong><\/td>\nC\u1ea5p<\/strong><\/td>\nUNS<\/strong><\/td>\nGB<\/strong><\/td>\n<\/tr>\n
18Ni(200)<\/td>\nMaraging 200<\/td>\nK92810<\/td>\n00Ni18Co8Mo3TiAl<\/td>\n<\/tr>\n
18Ni(250)<\/td>\nMaraging 250<\/td>\nK92890<\/td>\n00Ni18Co8Mo5TiAl<\/td>\n<\/tr>\n
18Ni(300)<\/td>\nMaraging 300<\/td>\nK93120<\/td>\n00Ni18Co9Mo5TiAl<\/td>\n<\/tr>\n
18Ni(350)<\/td>\nMaraging 350<\/td>\nK93160<\/td>\n00Ni18Co12Mo4Ti2Al<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p Maraging 18Ni (MIL-S-46850D)<\/h3>\n\n\n\n\n\n\n\n
\u0110i\u1ec3m<\/strong><\/td>\nC<\/strong><\/td>\nS\u0129<\/strong><\/td>\nMn<\/strong><\/td>\nP<\/strong><\/td>\nS<\/strong><\/td>\nNi<\/strong><\/td>\nc\u00f3<\/strong><\/td>\nM\u01a1<\/strong><\/td>\nTi<\/strong><\/td>\nAl<\/strong><\/td>\n<\/tr>\n
L\u1edbp 200<\/td>\n0,03<\/td>\n.10,10<\/td>\n.10,10<\/td>\n.00,01<\/td>\n.00,01<\/td>\n17.0~19.0<\/td>\n8.0~9.0<\/td>\n3.0~3.5<\/td>\n0.15~0.25<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
L\u1edbp 250<\/td>\n0,03<\/td>\n.10,10<\/td>\n.10,10<\/td>\n.00,01<\/td>\n.00,01<\/td>\n17.0~19.0<\/td>\n7.0~8.5<\/td>\n4.6~5.2<\/td>\n0.3~0.5<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
L\u1edbp 300<\/p>\n

&300A<\/td>\n

0,03<\/td>\n.10,10<\/td>\n.10,10<\/td>\n.00,01<\/td>\n.00,01<\/td>\n18.0~19.0<\/td>\n8.5~9.5<\/td>\n4.6~5.2<\/td>\n0.5~0.8<\/td>\n0.05~0.15<\/td>\n<\/tr>\n
L\u1edbp 350<\/td>\n0,03<\/td>\n.10,10<\/td>\n.10,10<\/td>\n.00,01<\/td>\n.00,01<\/td>\n18.0~19.0<\/td>\n11.5~12.5<\/td>\n4.6~5.2<\/td>\n1.3~1.6<\/td>\n0.05~0.15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Sau dung d\u1ecbch r\u1eafn, 18Ni Th\u00e9p<\/a> t\u1ea1o th\u00e0nh Martensite carbon c\u1ef1c th\u1ea5p v\u1edbi \u0111\u1ed9 c\u1ee9ng 28 ~ 30HRC. Sau khi x\u1eed l\u00fd l\u00e3o h\u00f3a, n\u00f3 b\u1ecb c\u1ee9ng l\u1ea1i do l\u00e3o h\u00f3a do s\u1ef1 h\u00f2a tan v\u00e0 k\u1ebft t\u1ee7a c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t li\u00ean kim lo\u1ea1i kh\u00e1c nhau. \u0110\u1ed9 c\u1ee9ng c\u00f3 th\u1ec3 t\u0103ng l\u00ean 50HRC. \u0110\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi c\u1ee7a th\u00e9p 18Ni l\u00e0 n\u00f3 v\u1eabn c\u00f3 \u0111\u1ed9 d\u1ebbo dai t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n g\u00e3y cao trong \u0111i\u1ec1u ki\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 c\u1ef1c cao v\u00e0 \u0111\u1ed9 c\u1ee9ng cao. \u0110\u1ed3ng th\u1eddi, n\u00f3 kh\u00f4ng b\u1ecb c\u1ee9ng l\u1ea1nh, bi\u1ebfn d\u1ea1ng x\u1eed l\u00fd nhi\u1ec7t l\u00e3o h\u00f3a nh\u1ecf, hi\u1ec7u su\u1ea5t h\u00e0n t\u1ed1t, b\u1ec1 m\u1eb7t kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u1ea5m nit\u01a1.<\/p>\n

Th\u00e9p maraging 18Ni l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, khu\u00f4n m\u1eabu ch\u00ednh x\u00e1c v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c, nh\u01b0 v\u1ecf \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda, v\u1ecf t\u00ean l\u1eeda, m\u00e1y ly t\u00e2m \u0111\u1ed3ng v\u1ecb uranium t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu t\u1ea3i c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao kh\u00e1c c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2080,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2114","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\/2114","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=2114"}],"version-history":[{"count":1,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2114\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/posts\/2114\/revisions\/2115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media\/2080"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/media?parent=2114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/categories?post=2114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/vi\/wp-json\/wp\/v2\/tags?post=2114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}