Medium-low carbon manganese system self-hardening bainite steel
Title：
Medium-low carbon manganese system self-hardening bainite steel
Application Number：
 03150092
Application Date：
 2003/08/01
Announcement Date：
 2004/02/25
Pub. Date：
Publication Number：
 1477226
Announcement Number：
 1210430
Grant Date：
 2005-7-13
Granted Pub. Date：
 2005-7-13
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C22C 38/04
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Fang Hongsheng, Zheng Yankang, Bai Bingzhe
Key Words：
 Medium-low carbon, manganese system, self-hardening, bainite steel
Abstract：
 The present invention belongs to the field of alloy steel, relates to medium-low carbon air-cooled bainite steel, using C, Mn and Si as main alloy elements, and air cooling can obtain non-typical bainite or bainite/martensite heterogeneous structure. Its composition includes (wt%) C 0.15-0.34 wt%, Mn 1.80-3.00 wt%, Si 0.20-2.50 wt%, Cr 0-2.00 wt% and the rest is Fe. The steel can be used for making high-strength bolt, track, railroad switch, various shafts, and other various high-strength structure components, etc.
Claim：
Priority：
PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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