ClassID:

119029

C21D8/0463 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment following hot rolling

Recent Application in this class:
#1
20260097428
2026-04-09

COLD ROLLED STEEL SHEET FOR HOT-PRESS FORMING HAVING EXCELLENT SURFACE QUALITY, HOT-PRESS-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME

#2
20250382680
2025-12-18

Steel part having high strength and high bendability

#3
20250340965
2025-11-06

Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

#4
20250276352
2025-09-04

HOT PRESSED MEMBER, STEEL SHEET FOR HOT PRESS FORMING, AND METHOD OF PRODUCING HOT PRESSED MEMBER

#5
20240326399
2024-10-03

LOW-DENSITY CLAD STEEL SHEET HAVING EXCELLENT FORMABILITY AND FATIGUE PROPERTY AND MANUFACTURING METHOD THEREFOR

#6
20240141455
2024-05-02

Flat Steel Product, Method for the Production Thereof, and Use of Such a Flat Steel Product

#7
20230265536
2023-08-24

ULTRA HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SPOT WELDABILITY AND FORMABILITY, ULTRA HIGH STRENGTH PLATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#8
20230203617
2023-06-29

Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

#9
20230203616
2023-06-29

Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

#10
20220403490
2022-12-22

HOT STAMPED BODY

#11
20220213573
2022-07-07

A COLD ROLLED MARTENSITIC STEEL AND A METHOD OF MARTENSITIC STEEL THEREOF

#12
20220195557
2022-06-23

Hot-stamping formed body

#13
20220186339
2022-06-16

Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods therefor

#14
20210260862
2021-08-26

Low-density clad steel sheet having excellent formability and fatigue property

#15
20210238719
2021-08-05

High-strength hot-rolled coated steel sheet

#16
20210078098
2021-03-18

Method for producing roll-bonded metal sheets

#17
20200255919
2020-08-13

HOT-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME, AND COLD-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME

#18
20200149129
2020-05-14

Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

#19
20200131597
2020-04-30

Hot-pressed member and method for manufacturing same, and cold-rolled steel sheet for hot pressing and method for manufacturing same

#20
20200063233
2020-02-27

Hot-dip galvanized steel plate with excellent bake hardenability and anti-aging property at room temperature

#21
20190271052
2019-09-05

Steel sheet and method for producing the same

#22
20190264298
2019-08-29

Martensitic stainless steel sheet

#23
20190211428
2019-07-11

Hot-rolled or cold-rolled steel plate

#24
20190203315
2019-07-04

High-strength cold rolled steel sheet and method for producing the same

#25
20190177811
2019-06-13

1500 MPa grade press hardening steel by medium thin slab casting and direct rolling and method for producing the same

#26
20190106759
2019-04-11

Steel sheet, coated steel sheet, method for producing hot-rolled steel sheet, method for producing full hard cold-rolled steel sheet, method for producing steel sheet, and method for producing coated steel sheet

#27
20180363093
2018-12-20

Dual-hardness clad steel plate and production method thereof

#28
20180327884
2018-11-15

Method for manufacturing high-strength galvanized steel sheet and high-strength galvanized steel sheet

#29
20180230582
2018-08-16

STEEL PLATE AND METHOD OF PRODUCTION OF SAME

#30
20180030564
2018-02-01

High-strength galvanized steel sheet

#31
20180023171
2018-01-25

STEEL SHEET FOR WARM PRESS FORMING, WARM-PRESSED MEMBER, AND MANUFACTURING METHODS THEREOF

#32
20170369964
2017-12-28

Hot-rolled steel sheet and manufacturing method thereof, and manufacturing method of cold-rolled steel sheet

#33
20170321297
2017-11-09

High-strength cold-rolled steel sheet and method for manufacturing the same

#34
20170314108
2017-11-02

METHOD OF MANUFACTURING HIGH STRENGTH STEEL SHEET

#35
20170275726
2017-09-28

High-strength galvanized steel sheet excellent in stretch-flange formability, in-plane stability of stretch-flange formability, and bendability and method for manufacturing the same

#36
20170218474
2017-08-03

High-strength hot rolled steel sheet and method for manufacturing the same

#37
20170198369
2017-07-13

Steel sheet for cans and manufacturing method thereof

#38
20170101695
2017-04-13

Double annealed steel sheet having high mechanical strength and ductility characteristics, method of manufacture and use of such sheets

#39
20160346822
2016-12-01

Cooling path with twofold cooling to a respective target value

#40
20160333440
2016-11-17

Hot-rolled ultrahigh strength steel strip product

#41
20160258032
2016-09-08

High-strength hot-rolled steel sheet and method for producing the same

#42
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#43
20160177427
2016-06-23

High-yield-ratio, high-strength cold rolled steel sheet and production method therefor

#44
20160153064
2016-06-02

Hot-rolled steel having excellent workability and anti-aging properties

#45
20160076123
2016-03-17

Steel sheet

#46
20160053353
2016-02-25

Hot-rolled ferritic stainless-steel plate, process for producing same, and steel strip

#47
20160010172
2016-01-14

Method for producing a cold-rolled flat steel product for deep-drawing and ironing applications, flat steel product, and use of a flat steel product of said type

#48
20150376751
2015-12-31

Cold-rolled flat steel product for deep drawing applications and method for production thereof

#49
20150361531
2015-12-17

High strength steel plate and manufacturing method thereof

#50
20150361518
2015-12-17

500 MPA grade longitudinally-welded steel pipe with low yield ratio and manufacturing method therefor

#51
20150284818
2015-10-08

Hot-rolled steel sheet and method for manufacturing the same

#52
20150218708
2015-08-06

Hot rolled steel sheet and method for manufacturing the same

#53
20150203948
2015-07-23

Cold rolled steel sheet, electrogalvanized cold-rolled steel sheet, hot-dip galvanized cold-rolled steel sheet, alloyed hot-dip galvanized cold rolled steel sheet, and manufacturing methods of the same

#54
20150159244
2015-06-11

High-strength hot-rolled steel sheet and method for producing the same

#55
20150101717
2015-04-16

High strength hot-rolled steel sheet having excellent ductility, stretch flangeability and uniformity and method of manufacturing the same

#56
20150075680
2015-03-19

Steel sheet suitable for impact absorbing member and method for its manufacture

#57
20150056468
2015-02-26

High strength steel sheet

#58
20140363696
2014-12-11

High-strength hot rolled steel sheet

#59
20140290810
2014-10-02

High strength cold rolled steel sheet with excellent deep drawability and material uniformity in coil and method for manufacturing the same

#60
20140255725
2014-09-11

Alloyed hot-dip galvanized steel sheet

#61
20140246128
2014-09-04

Hot-rolled steel sheet and method for producing same

#62
20140230970
2014-08-21

Hot-rolled steel sheet and associated production method

#63
20140173860
2014-06-26

Stainless steel foil for flexible display use

#64
20140096875
2014-04-10

Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same

#65
20140090755
2014-04-03

Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same

#66
20140014236
2014-01-16

Hot-rolled steel sheet and production method thereof

#67
20140000765
2014-01-02

Cold-rolled steel sheet and production method thereof

#68
20130269838
2013-10-17

Hot-rolled, cold rolled, and plated steel sheet having improved uniform and local ductility at a high strain rate

#69
20130133790
2013-05-30

High tensile strength hot rolled steel sheet having excellent formability and method for manufacturing the same

#70
20130061989
2013-03-14

Method for manufacturing high strength hot-rolled steel sheet having excellent stretch flangeability and fatigue resistance

#71
20130022490
2013-01-24

High-strength steel sheet with excellent warm workability

#72
20120312433
2012-12-13

High-strength steel sheet excellent in workability and cold brittleness resistance, and manufacturing method thereof

#73
20120282487
2012-11-08

High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet

#74
20120255656
2012-10-11

Steel sheet for can having excellent surface roughening resistance and manufacturing method thereof

#75
20120040203
2012-02-16

High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same

#76
20120018062
2012-01-26

Method of hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment

#77
20120006451
2012-01-12

CARBON STEEL SHEET HAVING EXCELLENT CARBURIZATION PROPERTIES, AND METHOD FOR PRODUCING SAME

#78
20110272066
2011-11-10

Manufacturing method of steel sheet for cans

#79
20110271733
2011-11-10

Method for manufacturing high strength hot rolled steel sheet

#80
20110240176
2011-10-06

HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY, HIGH-STRENGTH GALVANIZED STEEL SHEET, AND METHODS FOR MANUFACTURING THE SAME

#81
20110198002
2011-08-18

High-strength galvanized steel sheet with excellent formability and method for manufacturing the same

#82
20110186190
2011-08-04

Thermal mechanical treatment of martensitic stainless steel

#83
20110162760
2011-07-07

Method of producing cold-rolled steel sheet

#84
20110073218
2011-03-31

High-strength cold-rolled steel sheet and high-strength plated steel sheet

#85
20110070461
2011-03-24

Stainless steel foil for flexible display use

#86
20110064968
2011-03-17

High-Strength Steel Sheet with Excellent Ductility and Crackless Edge Portion, Hot-Dip Galvanized Steel Sheet, and Manufacturing Method Thereof

#87
20110017360
2011-01-27

Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same

#88
20100263767
2010-10-21

Method of producing hot-rolled steel sheet

#89
20100237548
2010-09-23

Steel-sheet continuous annealing equipment and method for operating steel-sheet continuous annealing equipment

#90
20100209283
2010-08-19

Cold-rolled steel sheet

#91
20100175452
2010-07-15

METHOD FOR HOT ROLLING AND FOR HEAT TREATMENT OF A STEEL STRIP

#92
20100108201
2010-05-06

High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same

#93
20100018615
2010-01-28

Thermal mechanical treatment of ferrous alloys, and related alloys and articles

#94
20090214377
2009-08-27

Method for Producing Hot Rolled Strip with a Multiphase Microstructure

#95
20090205756
2009-08-20

Hot-rolled thin steel sheet with excellent formability and excellent strength and toughness after heat treatment, and method for manufacturing the same

#96
20090165905
2009-07-02

Ferritic Stainless Steel Sheet Excellent in Press Formability and Secondary Formability and its Manufacturing Method

#97
20090151821
2009-06-18

Method and Device Adjusting Targeted Combinations of Properties of Polyphase Steel

#98
20090126837
2009-05-21

COLD ROLLED STEEL SHEET HAVING SUPERIOR FORMABILITY AND HIGH YIELD RATIO, PROCESS FOR PRODUCING THE SAME

#99
20090020190
2009-01-22

Fire Resistant High Strength Rolled Steel Material and Method of Production of The Same

#100
20090004040
2009-01-01

Ferritic stainless steel sheet for raw material pipe for bellows pipe

#101
20080202639
2008-08-28

Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof

#102
20080202638
2008-08-28

High-strength cold-rolled steel sheet, high-strength plated steel sheet, and methods for their manufacture

#103
20080185077
2008-08-07

Cold Rolled Steel Sheet Having High Yield Ratio And Less Anisotropy, Process For Producing The Same

#104
20060065335
2006-03-30

High tensile steel excellent in high temperature strength and method for production thereof