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Shanghai, CN
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Patents Grants
last 30 patents
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Patent Grant
Ultrahigh-strength hot-rolled steel sheet and steel strip having go...
Patent number
11,578,380
Issue date
Feb 14, 2023
Baoshan Iron & Steel Co., Ltd.
Hanlong Zhang
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
BAINITE STEEL AND PREPARATION METHOD THEREFOR
Publication number
20250034670
Publication date
Jan 30, 2025
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
GPA-GRADE BAINITE STEEL HAVING ULTRA-HIGH YIELD RATIO AND MANUFACTU...
Publication number
20230357882
Publication date
Nov 9, 2023
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON LOW-COST ULTRA-HIGH-STRENGTH MULTIPHASE STEEL PLATE/STEE...
Publication number
20230052592
Publication date
Feb 16, 2023
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-SILICON AND LOW-CARBON EQUIVALENT GPA GRADE MULTI-PHASE STEEL P...
Publication number
20230049380
Publication date
Feb 16, 2023
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COMPLEX-PHASE STEEL HAVING HIGH HOLE EXPANSIBILITY AND MANUFACTURIN...
Publication number
20220341010
Publication date
Oct 27, 2022
Baoshan Iron & Steel Co., Ltd
Chunsu LIU
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ULTRAHIGH-STRENGTH HOT-ROLLED STEEL SHEET AND STEEL STRIP HAVING GO...
Publication number
20210269891
Publication date
Sep 2, 2021
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON