Invention Grant
- Patent Title: Austenitic wear-resistant steel plate
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Application No.: US16495732Application Date: 2018-03-29
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Publication No.: US11326237B2Publication Date: 2022-05-10
- Inventor: Masaaki Fujioka , Tetsuya Namegawa , Masahide Yoshimura , Masanori Minagawa
- Applicant: NIPPON STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: NIPPON STEEL CORPORATION
- Current Assignee: NIPPON STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- International Application: PCT/JP2018/013281 WO 20180329
- International Announcement: WO2019/186906 WO 20191003
- Main IPC: C22C38/38
- IPC: C22C38/38 ; C22C38/02 ; C22C38/04 ; C21D6/00 ; C21D8/02 ; C21D9/46 ; C22C38/00 ; C22C38/06 ; C22C38/08 ; C22C38/10 ; C22C38/12 ; C22C38/14 ; C22C38/16 ; C22C38/20 ; C22C38/22 ; C22C38/24 ; C22C38/28
Abstract:
An austenitic wear-resistant steel plate according to an aspect of the present invention has a predetermined chemical composition, amounts of C and Mn by mass % satisfy −13.75×C+16.5≤Mn≤−20×C+30, the volume fraction of austenite in a metallographic structure is 40% or more and less than 95%, and the average grain size of the austenite is 40 to 300 μm.
Public/Granted literature
- US20210355569A1 AUSTENITIC WEAR-RESISTANT STEEL PLATE Public/Granted day:2021-11-18
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