by heating the blank or stamping associated with heat treatment

Industry

CPC
B21D22/022

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing

Current Industry

B21D22/022by heating the blank or stamping associated with heat treatment

Industries

Patents Grantslast 30 patents

Information Patent Grant
Aluminum coated blank and manufacturing method thereof
- Patent number 11,975,375
- Issue date May 7, 2024
- Hyundai Steel Company
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Low density press-hardening steel having enhanced mechanical proper...
- Patent number 11,951,522
- Issue date Apr 9, 2024
- GM Global Technology Operations LLC
- Jiachen Pang
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a welded steel blank and associated welded blank
- Patent number 11,945,503
- Issue date Apr 2, 2024
- Arcelormittal
- Cristian Alvarez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing a hot-stamped part
- Patent number 11,938,530
- Issue date Mar 26, 2024
- Hyundai Steel Company
- Je Youl Kong
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing a hot-stamped part
- Patent number 11,931,785
- Issue date Mar 19, 2024
- Hyundai Steel Company
- Je Youl Kong
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing a hot-stamped part
- Patent number 11,931,786
- Issue date Mar 19, 2024
- Hyundai Steel Company
- Je Youl Kong
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet for hot stamping
- Patent number 11,926,120
- Issue date Mar 12, 2024
- Nippon Steel Corporation
- Takayuki Harano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of manufacturing hot press-formed member having excellent pr...
- Patent number 11,919,062
- Issue date Mar 5, 2024
- POSCO Co., Ltd
- Hong Gee Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot stamping component and method of manufacturing the same
- Patent number 11,913,117
- Issue date Feb 27, 2024
- Hyundai Steel Company
- Hye Jin Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Methods for preparing high performance press-hardened steel components
- Patent number 11,913,085
- Issue date Feb 27, 2024
- GM Global Technology Operations LLC
- Zhisong Chai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing steel plate member
- Patent number 11,898,217
- Issue date Feb 13, 2024
- Toyota Jidosha Kabushiki Kaisha
- Shoji Kawano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and system for manufacturing hybrid component
- Patent number 11,897,185
- Issue date Feb 13, 2024
- Hyundai Motor Company
- Youn-Il Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Flat steel product having improved processing properties
- Patent number 11,891,676
- Issue date Feb 6, 2024
- ThyssenKrupp Steel Europe AG
- Maria Köyer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot stamped component
- Patent number 11,878,488
- Issue date Jan 23, 2024
- Nippon Steel Corporation
- Akihiro Sengoku
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for hot forming a semifinished product, in particular in she...
- Patent number 11,878,333
- Issue date Jan 23, 2024
- Bayerische Motoren Werke Aktiengesellschaft
- Thomas Auer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Plated steel sheet for hot stamping
- Patent number 11,866,828
- Issue date Jan 9, 2024
- Nippon Steel Corporation
- Hiroshi Takebayashi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Press systems and methods
- Patent number 11,850,648
- Issue date Dec 26, 2023
- AUTOTECH ENGINEERING S.L.
- Jorge Castilla Moreno
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot stamped component
- Patent number 11,846,027
- Issue date Dec 19, 2023
- Nippon Steel Corporation
- Akihiro Sengoku
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Ultra-high strength weathering steel piles and structural foundatio...
- Patent number 11,846,004
- Issue date Dec 19, 2023
- Nucor Corporation
- Brian Hansen Bogh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal pipe forming method, metal pipe, and forming system
- Patent number 11,845,121
- Issue date Dec 19, 2023
- Sumitomo Heavy Industries, Ltd.
- Masayuki Saika
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hot stamped body
- Patent number 11,827,994
- Issue date Nov 28, 2023
- Nippon Steel Corporation
- Akinobu Kobayashi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Steel sheet for hot press formed member having excellent coating ad...
- Patent number 11,820,103
- Issue date Nov 21, 2023
- POSCO Co., Ltd
- Seong-Woo Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for non-contact tensioning of a metal strip
- Patent number 11,821,066
- Issue date Nov 21, 2023
- Novelis Inc.
- Antoine Jean Willy Pralong
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel for press hardening and press hardened part manufactured from...
- Patent number 11,814,696
- Issue date Nov 14, 2023
- Arcelormittal
- Pascal Drillet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for preparing large-size rare earth magnesium alloy high-per...
- Patent number 11,813,653
- Issue date Nov 14, 2023
- North University of China
- Zhimin Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet for hot press formed member having excellent resistance...
- Patent number 11,801,664
- Issue date Oct 31, 2023
- POSCO Co., Ltd
- Seong-Woo Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Component with tailored mechanical and corrosion properties
- Patent number 11,794,280
- Issue date Oct 24, 2023
- GM Global Technology Operations LLC
- Mingfeng Shi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,788,166
- Issue date Oct 17, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Manufacturing method for metal component and manufacturing apparatu...
- Patent number 11,786,951
- Issue date Oct 17, 2023
- ISHIZAKI PRESS INDUSTRIAL CO., LTD.
- Taizo Ishizaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stamped components with reduced hot-forming cycle time
- Patent number 11,781,197
- Issue date Oct 10, 2023
- GM Global Technology Operations LLC
- Qi Lu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20240149322
- Publication date May 9, 2024
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
POLYMER-DERIVED CERAMIC DIFFUSION PROCESS FOR FERROUS METAL SURFACES
- Publication number 20240140876
- Publication date May 2, 2024
- Calvary Industries Inc.
- Christopher Berger
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR
- Publication number 20240141473
- Publication date May 2, 2024
- HYUNDAI STEEL COMPANY
- Min Ho Jang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD AND SYSTEM FOR MANUFACTURING HYBRID COMPONENT
- Publication number 20240131778
- Publication date Apr 25, 2024
- Hyundai Motor Company
- Youn-Il Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF
- Publication number 20240131569
- Publication date Apr 25, 2024
- HYUNDAI STEEL COMPANY
- Chang Yong Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
TAILOR HARDENING OF SUCH AS A COLD STAMPED VEHICLE DOOR PILLAR USIN...
- Publication number 20240131574
- Publication date Apr 25, 2024
- VINCENT Millioto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HYBRID STAMPING PROCESS INCORPORATING TRADITIONAL COLD STAMPING WIT...
- Publication number 20240123482
- Publication date Apr 18, 2024
- Martinrea International US Inc.
- VINCENT MILLIOTO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT BOX EXCHANGE CAPABILITY AND METHOD THEREOF
- Publication number 20240116098
- Publication date Apr 11, 2024
- The Boeing Company
- Donald Lloyd CONAWAY
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FLAT STEEL PRODUCT HAVING IMPROVED PROCESSING PROPERTIES
- Publication number 20240117458
- Publication date Apr 11, 2024
- ThyssenKrupp Steel Europe AG
- Maria Köyer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...
- Publication number 20240082902
- Publication date Mar 14, 2024
- POSCO CO., LTD.
- Hyeon-Seok HWANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURI...
- Publication number 20240051005
- Publication date Feb 15, 2024
- POSCO Co., Ltd
- Hyeon-seok Hwang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
- Publication number 20240051265
- Publication date Feb 15, 2024
- POSCO CO., LTD
- Seong-Woo KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHODS FOR PREPARING HIGH PERFORMANCE PRESS-HARDENED STEEL COMPONENTS
- Publication number 20240052445
- Publication date Feb 15, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhisong CHAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Process for Manufacturing a Press Hardened Laser Welded Steel Part
- Publication number 20240035109
- Publication date Feb 1, 2024
- ARCELORMITTAL
- Pascal Drillet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRE-COATED STEEL SHEET WITH ALUMINUM OR ALUMINUM ALLOY PRE-COATING,...
- Publication number 20240026513
- Publication date Jan 25, 2024
- IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
- Hongliang YI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Electric Heating Assembly and Method of Manufacturing the Same
- Publication number 20240011667
- Publication date Jan 11, 2024
- Eberspacher catem GmbH & Co. KG
- Michael Niederer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR MANUFACTURING THE SAME, HO...
- Publication number 20240011113
- Publication date Jan 11, 2024
- NIPPON STEEL CORPORATION
- Masafumi AZUMA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...
- Publication number 20240002992
- Publication date Jan 4, 2024
- POSCO CO., LTD.
- Il-Ryoung SOHN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT STAMPED MEMBER
- Publication number 20240001423
- Publication date Jan 4, 2024
- NIPPON STEEL CORPORATION
- Takuya MITSUNOBU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Rear underfloor structure for a motor vehicle
- Publication number 20230415822
- Publication date Dec 28, 2023
- ARCELORMITTAL
- Dan HASENPOUTH
- B60 - VEHICLES IN GENERAL
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230416863
- Publication date Dec 28, 2023
- POSCO CO., LTD.
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHOD FOR MA...
- Publication number 20230407449
- Publication date Dec 21, 2023
- JFE STEEL CORPORATION
- Rinta SATO
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MULTI-WATER-CHANNEL HOT STAMPING DIE
- Publication number 20230398594
- Publication date Dec 14, 2023
- HUNAN SUNRISE AUTOMOBILE MOULD & DIE CO., LTD
- Xin ZHU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED BLANK
- Publication number 20230399051
- Publication date Dec 14, 2023
- ARCELORMITTAL
- Cristian ALVAREZ
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HOT-STAMPED ARTICLE USING A TAILOR WELDED BLANK METHOD AND A METHOD...
- Publication number 20230347444
- Publication date Nov 2, 2023
- Hyundai Motor Company
- Chang Wook Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STEEL COMPONENT HAVING A METAL COATING PROTECTING IT AGAINST CORROSION
- Publication number 20230332262
- Publication date Oct 19, 2023
- ThyssenKrupp Steel Europe AG
- Janko Banik
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for Producing and Designing Complex Three-Dimensional Magnet...
- Publication number 20230332276
- Publication date Oct 19, 2023
- voestalpine Metal Forming GmbH
- Bas-Jan Hoogenberg
- B22 - CASTING POWDER METALLURGY
Information Patent Application
METHOD FOR PREPARING LARGE-SIZE RARE EARTH MAGNESIUM ALLOY HIGH-PER...
- Publication number 20230321710
- Publication date Oct 12, 2023
- NORTH UNIVERSITY OF CHINA
- Zhimin Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PRESS METHODS FOR COATED STEELS AND USES OF STEELS
- Publication number 20230311185
- Publication date Oct 5, 2023
- AUTOTECH ENGINEERING S.L.
- Paul Joseph BELANGER
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...
- Publication number 20230286030
- Publication date Sep 14, 2023
- POSCO Co., Ltd
- Sang-Heon Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

by heating the blank or stamping associated with heat treatment

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Aluminum coated blank and manufacturing method thereof

Low density press-hardening steel having enhanced mechanical proper...

Method for producing a welded steel blank and associated welded blank

Method of manufacturing a hot-stamped part

Method of manufacturing a hot-stamped part

Method of manufacturing a hot-stamped part

Steel sheet for hot stamping

Method of manufacturing hot press-formed member having excellent pr...

Hot stamping component and method of manufacturing the same

Methods for preparing high performance press-hardened steel components

Method for producing steel plate member

Method and system for manufacturing hybrid component

Flat steel product having improved processing properties

Hot stamped component

Method for hot forming a semifinished product, in particular in she...

Plated steel sheet for hot stamping

Press systems and methods

Hot stamped component

Ultra-high strength weathering steel piles and structural foundatio...

Metal pipe forming method, metal pipe, and forming system

Hot stamped body

Steel sheet for hot press formed member having excellent coating ad...

Systems and methods for non-contact tensioning of a metal strip

Steel for press hardening and press hardened part manufactured from...

Method for preparing large-size rare earth magnesium alloy high-per...

Steel sheet for hot press formed member having excellent resistance...

Component with tailored mechanical and corrosion properties

Cold-rolled steel plate for hot forming, having excellent corrosion...

Manufacturing method for metal component and manufacturing apparatu...

Stamped components with reduced hot-forming cycle time

Patents Applicationslast 30 patents

ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF

POLYMER-DERIVED CERAMIC DIFFUSION PROCESS FOR FERROUS METAL SURFACES

HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR

METHOD AND SYSTEM FOR MANUFACTURING HYBRID COMPONENT

ALUMINUM COATED BLANK AND MANUFACTURING METHOD THEREOF

TAILOR HARDENING OF SUCH AS A COLD STAMPED VEHICLE DOOR PILLAR USIN...

HYBRID STAMPING PROCESS INCORPORATING TRADITIONAL COLD STAMPING WIT...

HOT BOX EXCHANGE CAPABILITY AND METHOD THEREOF

FLAT STEEL PRODUCT HAVING IMPROVED PROCESSING PROPERTIES

MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...

PLATED STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF MANUFACTURI...

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...

METHODS FOR PREPARING HIGH PERFORMANCE PRESS-HARDENED STEEL COMPONENTS

Process for Manufacturing a Press Hardened Laser Welded Steel Part

PRE-COATED STEEL SHEET WITH ALUMINUM OR ALUMINUM ALLOY PRE-COATING,...

Electric Heating Assembly and Method of Manufacturing the Same

STEEL SHEET FOR HOT STAMPING, METHOD FOR MANUFACTURING THE SAME, HO...

HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...

HOT STAMPED MEMBER

Rear underfloor structure for a motor vehicle

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHOD FOR MA...

MULTI-WATER-CHANNEL HOT STAMPING DIE

METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED BLANK

HOT-STAMPED ARTICLE USING A TAILOR WELDED BLANK METHOD AND A METHOD...

STEEL COMPONENT HAVING A METAL COATING PROTECTING IT AGAINST CORROSION

Method for Producing and Designing Complex Three-Dimensional Magnet...

METHOD FOR PREPARING LARGE-SIZE RARE EARTH MAGNESIUM ALLOY HIGH-PER...

PRESS METHODS FOR COATED STEELS AND USES OF STEELS

PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...