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公开(公告)号:US10472704B2
公开(公告)日:2019-11-12
申请号:US15302457
申请日:2015-04-10
申请人: UDDEHOLMS AB
发明人: Thomas Hillskog , Kjell Bengtsson , Petter Damm , Annika Engström Svensson , Rikard Robertsson , Kristoffer Steiner , Amanda Forsberg , Magnus Tidesten , Pär Emanuelsson
IPC分类号: C22C38/36 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/22 , C22C38/24 , C22C33/02 , C21D9/00
摘要: The invention relates cold work tool steel. The steel includes the following main components (in wt. %): C 2.2-2.4, Si 0.1-0.55, Mn 0.2-0.8, Cr 4.1-5.1, Mo 3.1-4.5, V 7.2-8.5, balance optional elements, iron and impurities.
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公开(公告)号:US11085108B2
公开(公告)日:2021-08-10
申请号:US16314240
申请日:2017-06-07
申请人: Uddeholms AB
摘要: The invention relates to a steel for a tool holder. The steel comprises the following main components (in wt. %): C 0.07-0.13 Si 0.10-0.45 Mn 1.5-3.1 Cr 2.4-3.6 Ni 0.5-2.0 Mo 0.1-0.7 Al 0.001-0.06 S≤0.003 The steel has a bainitic microstructure comprising up to 20 volume % retained austenite and up to 20 volume % martensite.
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