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

IPC: C22C38/46 ,  C22C38/04 ,  C22C38/02 ,  C22C38/44

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.

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

IPC: C22C38/02 ,  C22C38/58 ,  C22C38/44 ,  C22C38/04 ,  C22C38/06

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.