Invention Grant
US4664725A Nitrogen-containing dual phase stainless steel with improved hot
workability
失效
含氮双相不锈钢，具有改善的热加工性能
- Patent Title: Nitrogen-containing dual phase stainless steel with improved hot workability
- Patent Title (中): 含氮双相不锈钢，具有改善的热加工性能
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Application No.: US795413Application Date: 1985-11-06
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Publication No.: US4664725APublication Date: 1987-05-12
- Inventor: Kazuo Fujiwara , Haruo Tomari , Takenori Nakayama
- Applicant: Kazuo Fujiwara , Haruo Tomari , Takenori Nakayama
- Applicant Address: JPX Kobe
- Assignee: Kabushiki Kaisha Kobe Seiko Sho
- Current Assignee: Kabushiki Kaisha Kobe Seiko Sho
- Current Assignee Address: JPX Kobe
- Priority: JPX59-252245 19841128
- Main IPC: C22C38/00
- IPC: C22C38/00 ; C22C38/44 ; C22C38/58
Abstract:
A nitrogen-containing dual phase stainless steel with high hot workability, containing in percentage by weight:less than 0.03% of C;0.3-2.0% of Si;0.4-4.0% of Mn;16-22% of Cr;4-7% of Ni;2-4% of Mo;0.06-0.20% of N;less than 0.005% of S;0.001-0.01% of Ca in a Ca/S ratio of greater than 1.5;andthe balance of iron and inevitable impurities.
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