Steel for cold forging and manufacturing method thereof

Invention Grant

US11111568B2 Steel for cold forging and manufacturing method thereof 有权

Patent Title: Steel for cold forging and manufacturing method thereof
Application No.: US16334705

Application Date: 2016-09-30
Publication No.: US11111568B2

Publication Date: 2021-09-07
Inventor: Akira Shiga , Manabu Kubota , Hajime Hasegawa
Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
Applicant Address: JP Tokyo
Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
Current Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
Current Assignee Address: JP Tokyo
Agency: Birch, Stewart, Kolasch & Birch, LLP
International Application: PCT/JP2016/079080 WO 20160930
International Announcement: WO2018/061191 WO 20180405
Main IPC: C22C38/44
IPC: C22C38/44 ; B22D27/04 ; C21D8/00 ; C22C38/00 ; C22C38/02 ; C22C38/04 ; C22C38/06 ; C22C38/22 ; C22C38/24 ; C22C38/26 ; C22C38/28 ; C22C38/32

Abstract:

A steel for cold forging has a predetermined chemical composition, satisfies d+3σ≤10.0 and SA/SB

Public/Granted literature

Information query

Espacenet

IPC分类: