Invention Grant
- Patent Title: Steel for mold
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Application No.: US16598733Application Date: 2019-10-10
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Publication No.: US11377718B2Publication Date: 2022-07-05
- Inventor: Masamichi Kawano
- Applicant: DAIDO STEEL CO., LTD.
- Applicant Address: JP Nagoya
- Assignee: DAIDO STEEL CO., LTD.
- Current Assignee: DAIDO STEEL CO., LTD.
- Current Assignee Address: JP Nagoya
- Agency: McGinn I.P. Law Group, PLLC.
- Priority: JPJP2018-193634 20181012,JPJP2019-155011 20190827
- Main IPC: C22C38/42
- IPC: C22C38/42 ; C22C38/44 ; C22C38/52 ; B29C45/26
Abstract:
The present invention relates to a steel for a mold, having a composition containing, in mass %, 0.045≤C≤0.090, 0.01≤Si≤0.50, 0.10≤Mn≤0.60, 0.80≤Ni≤1.10, 6.60≤Cr≤8.60, 0.01≤Mo≤0.70, 0.001≤V≤0.200, 0.007≤Al≤0.150, and 0.0002≤N≤0.0500, with the balance being Fe and unavoidable impurities.
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