Xiaofeng DU

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Hubei, CN

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Patents Grantslast 30 patents

Information Patent Grant
1500 MPa grade press hardening steel by medium thin slab casting an...
- Patent number 10,988,820
- Issue date Apr 27, 2021
- WUHAN IRON AND STEEL COMPANY LIMITED
- Xinping Mao
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
1500 MPa GRADE PRESS HARDENING STEEL BY THIN SLAB CASTING AND DIREC...
- Publication number 20190185952
- Publication date Jun 20, 2019
- WUHAN IRON AND STEEL COMPANY LIMITED
- Xinping MAO
- C21 - METALLURGY OF IRON
Information Patent Application
1500 MPa GRADE PRESS HARDENING STEEL BY MEDIUM THIN SLAB CASTING AN...
- Publication number 20190177811
- Publication date Jun 13, 2019
- Wuhan Iron and Steel Company Limited
- Xinping MAO
- C21 - METALLURGY OF IRON
Information Patent Application
1900 MPa GRADE PRESS HARDENING STEEL BY MEDIUM THIN SLAB CASTING AN...
- Publication number 20190169708
- Publication date Jun 6, 2019
- WUHAN IRON AND STEEL COMPANY LIMITED
- Xinping MAO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...