基本信息:
- 专利标题: HOT WORK TOOL STEEL
- 申请号:PCT/SE2018/050213 申请日:2018-03-07
- 公开(公告)号:WO2018182480A1 公开(公告)日:2018-10-04
- 发明人: EJNERMARK, Sebastian
- 申请人: UDDEHOLMS AB
- 申请人地址: 683 85 Hagfors SE
- 专利权人: UDDEHOLMS AB
- 当前专利权人: UDDEHOLMS AB
- 当前专利权人地址: 683 85 Hagfors SE
- 代理机构: ZACCO SWEDEN AB
- 优先权: SE1750368-1 20170329
- 主分类号: C22C38/24
- IPC分类号: C22C38/24 ; C22C38/02 ; C22C38/04 ; C22C38/12 ; C22C38/18 ; C22C38/22
摘要:
The invention relates hot work tool steel. The steel comprises the following main components (in wt. %): C 0.27 -0.40, Si 0.10 -0.35, Mn 0.2 -1.0, Cr 4.0 -6.0, Mo 1.0 -3, V 0.4 -0.9, balance optional elements, iron and impurities, wherein the steel in the annealed condition has a microstructure comprising: a) at least 75 vol. % packets of tempered martensite and/or bainite and b) 1-20 vol. % of hard phase including carbides, nitrides and carbo-nitrides.