{"id":1799,"date":"2026-01-11T20:03:18","date_gmt":"2026-01-11T12:03:18","guid":{"rendered":"https:\/\/www.aluminumetals.com\/?p=1799"},"modified":"2026-01-11T20:06:52","modified_gmt":"2026-01-11T12:06:52","slug":"65mn-spring-steel-strip","status":"publish","type":"post","link":"https:\/\/www.aluminumetals.com\/vi\/dai-thep-lo-xo-65mm\/","title":{"rendered":"D\u1ea3i th\u00e9p l\u00f2 xo 65Mn"},"content":{"rendered":"

Th\u00e9p d\u1ea3i l\u00f2 xo 65Mn l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n

Th\u00e9p l\u00f2 xo d\u1ea3i 65Mn l\u00e0 lo\u1ea1i th\u00e9p l\u00f2 xo c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ed9 c\u1ee9ng t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t. Th\u00e9p 65Mn<\/a> N\u00f3 r\u1ea5t t\u1ed1t \u0111\u1ec3 l\u00e0m dao, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nhi\u1ec1u lo\u1ea1i l\u00f2 xo d\u1eb9t v\u00e0 tr\u00f2n, l\u00f2 xo \u0111\u1ec7m, l\u00f2 xo xo\u1eafn, v.v. v\u1edbi k\u00edch th\u01b0\u1edbc nh\u1ecf.<\/p>\n\n\n\n

Th\u00e9p l\u00f2 xo 65Mn l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim mangan cacbon cao, n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, l\u00fd t\u01b0\u1edfng cho nhi\u1ec1u lo\u1ea1i l\u00f2 xo (ph\u1eb3ng, tr\u00f2n, van), k\u1eb9p l\u00f2 xo, c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed3ng h\u1ed3 v\u00e0 c\u00e1c linh ki\u1ec7n m\u00e1y m\u00f3c nh\u1ecf. <\/p>\n\n\n\n

Th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o (kho\u1ea3ng 0,62-0,70% Carbon, 0,90-1,20% Mangan) v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng v\u1edbi x\u1eed l\u00fd nhi\u1ec7t (t\u00f4i v\u00e0 ram) cho ph\u00e9p n\u00f3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh linh ho\u1ea1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi AISI 1065 ho\u1eb7c JIS SUP6.\u00a0<\/p>\n\n\n\n

T\u00e0i s\u1ea3n<\/th>Th\u00e9p cacbon 65Mn<\/a><\/th><\/tr><\/thead>
H\u00e0m l\u01b0\u1ee3ng carbon<\/td>0.65%<\/td><\/tr>
S\u1ee9c c\u0103ng<\/td>980 MPa<\/td><\/tr>
S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t<\/td>785 MPa<\/td><\/tr>
\u0110\u1ed9 c\u1ee9ng (HRC)<\/td>38-42 HRC<\/td><\/tr>
M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>210 GPa<\/td><\/tr>
T\u1ec9 tr\u1ecdng<\/td>7,85 g\/cm\u00b3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"Thanh
Thanh th\u00e9p l\u00f2 xo c\u1eeda cu\u1ed1n 65Mn<\/figcaption><\/figure>\n\n\n\n

Th\u00e9p l\u00f2 xo 65Mn l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 s\u1ea3n xu\u1ea5t l\u00f2 xo c\u1eeda cu\u1ed1n nh\u1edd \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao, l\u00fd t\u01b0\u1edfng cho l\u00f2 xo v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ea7n t\u00ednh linh ho\u1ea1t v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n\n\n\n

Th\u00e9p l\u00f2 xo cacbon cao 65Mn, sau khi x\u1eed l\u00fd nhi\u1ec7t v\u00e0 t\u00f4i c\u1ee9ng b\u1eb1ng k\u00e9o ngu\u1ed9i, c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i nh\u1ea5t \u0111\u1ecbnh; trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n t\u00f4i c\u1ee9ng b\u1ec1 m\u1eb7t, n\u00f3 ho\u00e0n to\u00e0n c\u00f3 gi\u1edbi h\u1ea1n m\u1ecfi v\u00e0 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u00f2 xo h\u1ee3p kim.<\/p>\n\n\n\n

Th\u00e9p d\u1ea3i 65Mn l\u00e0 lo\u1ea1i th\u00e9p l\u00f2 xo \u0111\u1ea1t ti\u00eau chu\u1ea9n GB\/T 1222-2016. Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a n\u00f3 l\u00e0 7,85 g\/cm\u00b3. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo cao sau khi x\u1eed l\u00fd nhi\u1ec7t v\u00e0 t\u00f4i c\u1ee9ng b\u1eb1ng k\u00e9o ngu\u1ed9i, nh\u01b0ng do kh\u1ea3 n\u0103ng t\u00f4i c\u1ee9ng k\u00e9m, n\u00f3 ch\u1ee7 y\u1ebfu th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t l\u00f2 xo \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9, l\u00f2 xo \u0111o l\u1ef1c v\u00e0 c\u00e1c l\u00f2 xo xo\u1eafn \u1ed1c c\u01a1 kh\u00ed nh\u1ecf. <\/p>\n\n\n\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a n\u00f3 ch\u1ee9a 0,62%\u20130,70% cacbon v\u00e0 0,90%\u20131,20% mangan. \u0110\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ea1t 735 MPa, gi\u1edbi h\u1ea1n ch\u1ea3y l\u00e0 430 MPa, v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u00e1n n\u00f3ng l\u00e0 240\u2013270 HB.<\/p>\n\n\n\n

H\u1ee3p kim 65Mn \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u00f4i d\u1ea7u \u1edf 830\u2103\u00b120\u2103 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ram \u1edf 540\u2103\u00b150\u2103. Sau khi x\u1eed l\u00fd nhi\u1ec7t, c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a n\u00f3 l\u00e0 troostite \u0111\u00e3 ram. <\/p>\n\n\n\n

B\u00ean c\u1ea1nh l\u00f2 xo xo\u1eafn v\u00e0 v\u00f2ng \u0111\u1ec7m l\u00f2 xo c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 7-20mm, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gia c\u00f4ng c\u00e1c chi ti\u1ebft c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n cao, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c ch\u00ednh m\u00e1y m\u00e0i v\u00e0 v\u00edt d\u1eabn h\u01b0\u1edbng m\u00e1y c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c.<\/p>","protected":false},"excerpt":{"rendered":"

What is 65Mn Spring Steel Strip? 65Mn Spring Steel Strip is\u00a0a spring steel with high strength, certain toughness and plasticity, good hardness and good wear resistance. And 65Mn steel is very good for making knives, and can also be used as various flat and round springs, cushion springs, spring springs, etc. in small sizes. 65Mn […]<\/p>","protected":false},"author":2,"featured_media":1796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1799","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=1799"}],"version-history":[{"count":2,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1799\/revisions"}],"predecessor-version":[{"id":1802,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/posts\/1799\/revisions\/1802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/media\/1796"}],"wp:attachment":[{"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/media?parent=1799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/categories?post=1799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aluminumetals.com\/vi\/wp-json\/wp\/v2\/tags?post=1799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}