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公开(公告)号：US20170233854A1
公开(公告)日：2017-08-17
申请号：US15324560
申请日：2015-05-20
Applicant: Uddeholms AB
Inventor： Petter DAMM , Thomas HILLSKOG , Kjell BENGTSSON , Annika ENGSTRÖM SVENSSON , Sebastian EJNERMARK , Lars EKMAN , Victoria BERGQVIST
CPC classification number: C22C38/46 , B22F2998/10 , B22F2999/00 , C21D6/002 , C21D6/02 , C21D2211/004 , C22C33/0278 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/22 , C22C38/24 , C22C38/44 , B22F9/08 , B22F1/0088 , B22F3/15 , B22F3/24 , B22F2003/248 , B22F2201/016
Abstract: The invention relates to a cold work tool steel. The steel comprises the following main components (in wt. %): C 0.5-2, N 1.3-3, Si 0.05-1.2, Mn 0.05-1, Cr 2.5-5.5, Mo 0.8-2.2, V 6-18, with a balance of optional elements, iron, and impurities.
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公开(公告)号：US20170016099A1
公开(公告)日：2017-01-19
申请号：US15302457
申请日：2015-04-10
Applicant: UDDEHOLMS AB
Inventor： Thomas HILLSKOG , Kjell BENGTSSON , Petter DAMM , Annika ENGSTRÖM SVENSSON , Rikard ROBERTSSON , Kristoffer STEINER , Amanda FORSBERG , Magnus TIDESTEN , Pär EMANUELSSON
Abstract: 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.
Abstract translation: 本发明涉及冷作工具钢。 钢包括以下主要组分（重量％）：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，余量任选元素，铁和 杂质。
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公开(公告)号：US20190226059A1
公开(公告)日：2019-07-25
申请号：US16314240
申请日：2017-06-07
Applicant: UDDEHOLMS AB
Inventor： Petter DAMM , Lena RÅHLEN , Amanda FORSBERG , Victoria BERGQVIST , Riccardo ZANCHETTA
Abstract: 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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