Invention Application
- Patent Title: WEAR-RESISTANT STEEL PLATE AND METHOD FOR PRODUCING SAME
-
Application No.: US17753552Application Date: 2020-08-17
-
Publication No.: US20220333227A1Publication Date: 2022-10-20
- Inventor: Naoki TAKAYAMA , Shigeki KITSUYA , Yoshiaki MURAKAMI
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Chiyoda-ku, Tokyo
- Assignee: JFE STEEL CORPORATION
- Current Assignee: JFE STEEL CORPORATION
- Current Assignee Address: JP Chiyoda-ku, Tokyo
- Priority: JP2019-168182 20190917
- International Application: PCT/JP2020/031028 WO 20200817
- Main IPC: C22C38/38
- IPC: C22C38/38 ; C22C38/02 ; C21D8/04
Abstract:
The steel plate has a specific chemical composition, and a microstructure where a volume fraction of martensite at a depth of 1 mm from a surface of the steel plate is 95% or more, and at a depth of 1 mm from a surface of the steel plate, a Vickers hardness at 400° C. is 288 or more, and a Brinell hardness at 25° C. is 360 HBW10/3000 to 490 HBW10/3000.
Public/Granted literature
- US12180572B2 Wear-resistant steel plate and method for producing same Public/Granted day:2024-12-31
Information query
