公开(公告)号：US10472704B2

公开(公告)日：2019-11-12

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

IPC: C22C38/36 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/22 ,  C22C38/24 ,  C22C33/02 ,  C21D9/00

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.