{"id":1642,"date":"2025-11-19T17:57:06","date_gmt":"2025-11-19T09:57:06","guid":{"rendered":"https:\/\/www.aluminumetals.com\/?p=1642"},"modified":"2025-11-19T18:11:26","modified_gmt":"2025-11-19T10:11:26","slug":"4cr13-1-4031-sus420j2-stainless-steel-strip","status":"publish","type":"post","link":"https:\/\/www.aluminumetals.com\/vi\/dai-thep-khong-gi-4cr13-1-4031-sus420j2\/","title":{"rendered":"D\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9 4Cr13 1.4031 SUS420J2"},"content":{"rendered":"

D\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9 4Cr13 (T\u00ean m\u1edbi: 40Cr13) l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i martensitic, c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n th\u00e9p 3Cr13 sau khi t\u00f4i. <\/p>\n\n\n\n

Th\u00e9p c\u00f3 hi\u1ec7u su\u1ea5t gia c\u00f4ng c\u01a1 h\u1ecdc t\u1ed1t. Sau khi x\u1eed l\u00fd nhi\u1ec7t (t\u00f4i v\u00e0 ram), th\u00e9p c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u00e1nh b\u00f3ng, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao.<\/p>\n\n\n\n

4Cr13 th\u00e9p kh\u00f4ng g\u1ec9<\/a> D\u1ea3i th\u00e9p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t dao k\u00e9o. N\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf cacbon v\u00e0 crom (kho\u1ea3ng 0,40% \u2013 1,00%). V\u1eadt li\u1ec7u n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, ch\u1ecbu m\u00e0i m\u00f2n, ch\u1ecbu l\u1ef1c v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t.<\/p>\n\n\n\n

D\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9 4Cr13 1.4031 SUS420J2<\/strong><\/p>\n\n\n\n

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a d\u1ea3i th\u00e9p kh\u00f4ng g\u1ec9:<\/h2>\n\n\n\n

\u00b7 \u0110\u1ed9 c\u1ee9ng HRC: \u2265 50 (\u0110\u00e3 t\u00f4i v\u00e0 ram)<\/p>\n\n\n\n

\u00b7 \u0110\u1ed9 c\u1ee9ng HBW: \u2264 235 (\u0110\u00e3 \u1ee7)<\/p>\n\n\n\n

L\u01b0u \u00fd: \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ho\u1eb7c \u0111\u1ed9 d\u00e0y \u2264 75 mm<\/p>\n\n\n\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc<\/strong><\/p>\n\n\n\n

<\/td>Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a 4Cr13 (%)<\/td><\/tr>
L\u1edbp th\u00e9p<\/td>C<\/td>Si (\u2264)<\/td>Mn (\u2264)<\/td>P (\u2264)<\/td>S (\u2264)<\/td>Cr<\/td>Ni (\u2264)<\/td><\/tr>
4Cr13 (40Cr13)<\/td>0.36-0.45<\/td>0.60<\/td>0.80<\/td>0.040<\/td>0.030<\/td>12.00-14.00<\/td>0.60<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong><\/p>\n\n\n\n

M\u1eadt \u0111\u1ed9 (g\/cm3): 7,75<\/p>\n\n\n\n

Nhi\u1ec7t dung ri\u00eang (J\/Kg\u00b7K): 460 \u1edf 0-100\u2103<\/p>\n\n\n\n

\u0110\u1ed9 d\u1eabn nhi\u1ec7t (W\/m\u00b7K):<\/p>\n\n\n\n

28,1 \u1edf 100\u2103<\/p>\n\n\n\n

28,9 \u1edf 500\u2103<\/p>\n\n\n\n

H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t tuy\u1ebfn t\u00ednh (10-6\/K):<\/p>\n\n\n\n

10,5 (0-100\u2103)<\/p>\n\n\n\n

12.0 (0-500\u2103)<\/p>\n\n\n\n

\u0110i\u1ec7n tr\u1edf su\u1ea5t (\u03bc\u03a9\u00b7m): 0,59 \u1edf 20\u2103<\/p>\n\n\n\n

M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i d\u1ecdc (kN\/mm2): 215 \u1edf 20\u2103<\/p>\n\n\n\n

Th\u00e9p kh\u00f4ng g\u1ec9 <\/a>Th\u00e9p 4Cr13 th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o khu\u00f4n nh\u1ef1a, khu\u00f4n s\u1ea3n ph\u1ea9m nh\u1ef1a trong su\u1ed1t, v.v. ch\u1ecbu t\u1ea3i tr\u1ecdng cao, ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n cao. Ngo\u00e0i ra, n\u00f3 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t b\u01a1m d\u1ea7u n\u00f3ng, d\u1ee5ng c\u1ee5, \u0111\u1ebf van, van, v\u00f2i phun, d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng, thi\u1ebft b\u1ecb y t\u1ebf, l\u00f2 xo, v.v.<\/p>\n\n\n\n

\u0110i\u1ec1u ki\u1ec7n giao h\u00e0ng<\/strong><\/td> K\u00edch c\u1ee1<\/strong><\/td> B\u1ec1 m\u1eb7t<\/strong><\/td>B\u1edd r\u00eca<\/strong><\/td><\/tr>
1. C\u00e1n ngu\u1ed9i <\/td>1. \u0110\u1ed9 d\u00e0y: 0,09-8mm <\/td>S\u00e1ng \/ \u0110\u00e1nh b\u00f3ng \/ Xanh \/ V\u00e0ng<\/td>R\u1ea1ch <\/td><\/tr>
2. C\u00e1n ngu\u1ed9i + \u1ee7 hydro <\/td>2. Chi\u1ec1u r\u1ed9ng: 6-450mm<\/td>Tr\u00f2n<\/td><\/tr>
3. C\u00e1n ngu\u1ed9i + c\u1ee9ng + c\u01b0\u1eddng l\u1ef1c<\/td>\u0110\u01b0\u1eddng k\u00ednh b\u00ean trong cu\u1ed9n d\u00e2y: 300-800mm<\/td>Qu\u1ea3ng tr\u01b0\u1eddng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"D\u1ea3i<\/figure>\n\n\n\n

T\u01b0\u01a1ng \u0111\u01b0\u01a1ng 4Cr13 l\u00e0 X39Cr13<\/strong> theo c\u1ea3 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u v\u00e0 ISO, t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng th\u00e9p 1.4031<\/strong>. \u1ede Trung Qu\u1ed1c, ti\u00eau chu\u1ea9n cho v\u1eadt li\u1ec7u n\u00e0y l\u00e0 GB\/T 1220 v\u00e0 GB\/T 3280.<\/p>\n\n\n\n

4Cr13 l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 gi\u00e1 r\u1ebb, d\u1ec5 m\u00e0i v\u00e0 ch\u1ed1ng g\u1ec9 nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u1eafc b\u00e9n nh\u01b0 th\u00e9p D2. Th\u00e9p D2 l\u00e0 lo\u1ea1i th\u00e9p d\u1ee5ng c\u1ee5 cao c\u1ea5p, b\u1ec1n h\u01a1n v\u00e0 gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u1eafc b\u00e9n t\u1ed1t h\u01a1n nh\u01b0ng \u00edt ch\u1ed1ng g\u1ec9 h\u01a1n v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng nhi\u1ec1u h\u01a1n.<\/p>\n\n\n\n

SUS420J2 l\u00e0 t\u00ean g\u1ecdi c\u1ee7a Nh\u1eadt B\u1ea3n d\u00e0nh cho th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng carbon cao, trong khi 4Cr13, 3Cr13 v\u00e0 5Cr13 l\u00e0 t\u00ean g\u1ecdi c\u1ee7a Trung Qu\u1ed1c d\u00e0nh cho c\u00e1c lo\u1ea1i th\u00e9p t\u01b0\u01a1ng t\u1ef1 v\u1edbi h\u00e0m l\u01b0\u1ee3ng carbon kh\u00e1c nhau. T\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 martensitic, n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 c\u1ee9ng cao, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 dao, d\u1ee5ng c\u1ee5, d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 khu\u00f4n nh\u1ef1a. <\/p>","protected":false},"excerpt":{"rendered":"

4Cr13 Stainless steel strip (New name: 40Cr13) is a martensitic type stainless steel, which has higher hardness than 3Cr13 steel after quenching. The steel has good mechanical processing performance. After heat treatment (quenching and tempering), it has good corrosion resistance, polishing performance, high strength and wear resistance. 4Cr13 stainless steel strip is commonly used in cutlery […]<\/p>","protected":false},"author":2,"featured_media":1643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[180,156,179],"class_list":["post-1642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stainless-steel-sheet","tag-1-4031-stainless","tag-304-stainless","tag-316stainless"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/comments?post=1642"}],"version-history":[{"count":2,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1642\/revisions"}],"predecessor-version":[{"id":1647,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1642\/revisions\/1647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/media\/1643"}],"wp:attachment":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/media?parent=1642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/categories?post=1642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/tags?post=1642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}