ClassID:

119022

C21D8/0426 - 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 working steps 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
20260022444
2026-01-22

METHOD FOR MANUFACTURING A METAL SHEET WITH A ZNAL COATING AND WITH OPTIMIZED WIPING, CORRESPONDING METAL SHEET, PART AND VEHICLE

#3
20250389004
2025-12-25

STEEL PLATE FOR HOT STAMPING

#4
20250382680
2025-12-18

Steel part having high strength and high bendability

#5
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

#6
20250276352
2025-09-04

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

#7
20240326399
2024-10-03

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

#8
20240141455
2024-05-02

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

#9
20240060160
2024-02-22

STEEL AEROSOL MONOBLOC

#10
20230332262
2023-10-19

STEEL COMPONENT HAVING A METAL COATING PROTECTING IT AGAINST CORROSION

#11
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

#12
20230235420
2023-07-27

HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME

#13
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

#14
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

#15
20230203612
2023-06-29

METHOD FOR THE OPEN-LOOP OR CLOSED-LOOP CONTROL OF THE TEMPERATURE OF A STEEL STRIP DURING HOT WORKING IN A HOT STRIP MILL

#16
20230119030
2023-04-20

METHOD FOR MANUFACTURING A METAL SHEET WITH A ZnAl COATING AND WITH OPTIMIZED WIPING, CORRESPONDING METAL SHEET, PART AND VEHICLE

#17
20220403490
2022-12-22

HOT STAMPED BODY

#18
20220333227
2022-10-20

Wear-resistant steel plate and method for producing same

#19
20220298598
2022-09-22

METHOD FOR PRODUCING A HIGH STRENGTH STEEL SHEET HAVING IMPROVED STRENGTH AND FORMABILITY AND OBTAINED SHEET

#20
20220213573
2022-07-07

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

#21
20220195557
2022-06-23

Hot-stamping formed body

#22
20220186339
2022-06-16

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

#23
20220112575
2022-04-14

A HIGH STRENGTH HIGH DUCTILITY COMPLEX PHASE COLD ROLLED STEEL STRIP OR SHEET

#24
20220074014
2022-03-10

High strength steel with improved mechanical properties

#25
20220064765
2022-03-03

STEEL SUBSTRATE FOR PAINTED PARTS

#26
20210301376
2021-09-30

HIGH-TENSILE STEEL CONTAINING MANGANESE, USE OF SAID STEEL FOR FLEXIBLY-ROLLED SHEET-PRODUCTS, AND PRODUCTION METHOD AND ASSOCIATED STEEL SHEET-PRODUCT

#27
20210262069
2021-08-26

Flat steel product and method for producing same

#28
20210260862
2021-08-26

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

#29
20210238719
2021-08-05

High-strength hot-rolled coated steel sheet

#30
20210156000
2021-05-27

SHEET-METAL FORMED COMPONENT AND METHOD FOR THE PRODUCTION OF THE SHEET-METAL FORMED COMPONENT

#31
20210078098
2021-03-18

Method for producing roll-bonded metal sheets

#32
20210054488
2021-02-25

STEEL PLATE FOR HOT STAMPING

#33
20200270732
2020-08-27

Method for manufacturing a metal sheet with a ZnAl coating and with optimized wiping, corresponding metal sheet, part and vehicle

#34
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

#35
20200232083
2020-07-23

Hot-dip galvanized steel sheet

#36
20200216925
2020-07-09

Method for producing a steel component having a metal coating protecting it against corrosion

#37
20200199719
2020-06-25

Hot rolled steel sheet and method for producing same

#38
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

#39
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

#40
20200087761
2020-03-19

STEEL SUBSTRATE FOR PAINTED PARTS

#41
20190390314
2019-12-26

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

#42
20190309388
2019-10-10

Delayed cracking prevention during drawing of high strength steel

#43
20190271052
2019-09-05

Steel sheet and method for producing the same

#44
20190264298
2019-08-29

Martensitic stainless steel sheet

#45
20190211428
2019-07-11

Hot-rolled or cold-rolled steel plate

#46
20190203315
2019-07-04

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

#47
20190194775
2019-06-27

Steel sheet and method for producing the same

#48
20190177811
2019-06-13

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

#49
20190136339
2019-05-09

HIGH-STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SHEAR PROCESSABILITY, AND MANUFACTURING METHOD THEREFOR

#50
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

#51
20190071750
2019-03-07

Method for rolling and/or heat treating a metal strip

#52
20190062859
2019-02-28

Steel sheet for can and method for manufacturing the same

#53
20180363093
2018-12-20

Dual-hardness clad steel plate and production method thereof

#54
20180363088
2018-12-20

Material for high strength steel sheets, hot rolled material for high strength steel sheets, hot-rolled and annealed material for high strength steel sheets, high strength steel sheet, high strength hot-dip-coated steel sheet, high strength electroplated steel sheet, and method of manufacturing same

#55
20180305786
2018-10-25

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

#56
20180291476
2018-10-11

High-strength steel sheet and method for manufacturing the same

#57
20180257122
2018-09-13

Molded body manufacturing method

#58
20180223399
2018-08-09

HIGH-TENSILE STEEL CONTAINING MANGANESE, USE OF SAID STEEL FOR FLEXIBLY-ROLLED SHEET-PRODUCTS, AND PRODUCTION METHOD AND ASSOCIATED STEEL SHEET-PRODUCT

#59
20180171459
2018-06-21

High strength steel and production method

#60
20180112285
2018-04-26

Martensitic stainless steel

#61
20180023160
2018-01-25

High-strength steel sheet and production method therefor

#62
20180021824
2018-01-25

Rolling equipment

#63
20180002775
2018-01-04

Heat treatable steel, product formed thereof having ultra high strength and excellent durability, and method for manufacturing same

#64
20170369979
2017-12-28

High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor

#65
20170321297
2017-11-09

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

#66
20170233846
2017-08-17

Delayed cracking prevention during drawing of high strength steel

#67
20170218474
2017-08-03

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

#68
20170198369
2017-07-13

Steel sheet for cans and manufacturing method thereof

#69
20170197235
2017-07-13

Hot-rolled steel sheet

#70
20170137907
2017-05-18

Method for producing a high strength steel sheet having improved strength and formability and obtained sheet

#71
20170101695
2017-04-13

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

#72
20160333440
2016-11-17

Hot-rolled ultrahigh strength steel strip product

#73
20160258032
2016-09-08

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

#74
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#75
20160230245
2016-08-11

High-strength cold-rolled steel sheet having excellent local deformability

#76
20160222480
2016-08-04

Electric-resistance welded steel pipe

#77
20160153064
2016-06-02

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

#78
20160130680
2016-05-12

Cold-rolled steel sheet, galvanized cold-rolled steel sheet and method of manufacturing the same

#79
20160076123
2016-03-17

Steel sheet

#80
20160053353
2016-02-25

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

#81
20160040275
2016-02-11

High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same

#82
20160024632
2016-01-28

Hot-dip zinc alloy coated steel sheet excellent in coating adhesion, and method for producing the same

#83
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

#84
20150376751
2015-12-31

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

#85
20150376730
2015-12-31

Hot-rolled steel sheet

#86
20150361531
2015-12-17

High strength steel plate and manufacturing method thereof

#87
20150354037
2015-12-10

High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor

#88
20150225830
2015-08-13

Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body

#89
20150218708
2015-08-06

Hot rolled steel sheet and method for manufacturing the same

#90
20150191807
2015-07-09

Process for producing hot-rolled steel strip

#91
20150140358
2015-05-21

Hot-dip galvannealed hot-rolled steel sheet and process for producing same

#92
20150122377
2015-05-07

Steel, sheet steel product and process for producing a sheet steel product

#93
20150101717
2015-04-16

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

#94
20150013853
2015-01-15

Hot-rolled steel sheet for generator rim and method for manufacturing the same

#95
20140366602
2014-12-18

Method for manufacturing thin strip continuously cast 700MPa-grade high strength weather-resistant steel

#96
20140363696
2014-12-11

High-strength hot rolled steel sheet

#97
20140342183
2014-11-20

High-strength hot-dip galvanized steel sheet and high-strength alloyed hot-dip galvanized steel sheet having excellent plating adhesion, formability, and hole expandability with tensile strength of 980 MPa or more and manufacturing method therefor

#98
20140335374
2014-11-13

High tensile strength galvanized steel sheets excellent in formability and methods of manufacturing the same

#99
20140261915
2014-09-18

Line pipe steels and process of manufacturing

#100
20140255725
2014-09-11

Alloyed hot-dip galvanized steel sheet

#101
20140246128
2014-09-04

Hot-rolled steel sheet and method for producing same

#102
20140230970
2014-08-21

Hot-rolled steel sheet and associated production method

#103
20140193667
2014-07-10

High-strength cold-rolled steel sheet having excellent stretch flangeability and precision punchability and manufacturing method thereof

#104
20140173860
2014-06-26

Stainless steel foil for flexible display use

#105
20140124101
2014-05-08

High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof

#106
20140096875
2014-04-10

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

#107
20140090755
2014-04-03

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

#108
20140056754
2014-02-27

Hot press-formed product and process for producing same

#109
20140030546
2014-01-30

Manufacturing method of a high-strength cold-rolled steel sheet having excellent local deformability

#110
20130330226
2013-12-12

High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same

#111
20130269838
2013-10-17

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

#112
20130199679
2013-08-08

Method for manufacturing ultra high strength member

#113
20130133790
2013-05-30

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

#114
20130045128
2013-02-21

Steel sheet for cans and method for manufacturing the same

#115
20130042950
2013-02-21

Method for hot rolling a metal slab, strip or sheet

#116
20130040220
2013-02-14

OXIDATION-RESISTANT FERRITIC STAINLESS STEEL, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL INTERCONNECTOR USING THE FERRITIC STAINLESS STEEL

#117
20120305144
2012-12-06

Steel sheet and method of manufacturing steel sheet

#118
20120282487
2012-11-08

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

#119
20120040203
2012-02-16

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

#120
20120020827
2012-01-26

Ferritic stainless steel with excellent heat resistance

#121
20120018062
2012-01-26

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

#122
20120006451
2012-01-12

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

#123
20110318217
2011-12-29

COLD-ROLLED STEEL SHEET WITH EXCELLENT BENDING WORKABILITY, METHOD FOR MANUFACTURING THE SAME, AND MEMBER USING THE SAME

#124
20110293464
2011-12-01

Stainless steel, cold strip produced from this steel, and method for producing a flat steel product from this steel

#125
20110272066
2011-11-10

Manufacturing method of steel sheet for cans

#126
20110271733
2011-11-10

Method for manufacturing high strength hot rolled steel sheet

#127
20110226391
2011-09-22

C+N AUSTENITIC STAINLESS STEEL HAVING HIGH STRENGTH AND EXCELLENT CORROSION RESISTANCE, AND FABRICATION METHOD THEREOF

#128
20110209800
2011-09-01

High strength steel sheet with good wettability and manufacturing method thereof

#129
20110198002
2011-08-18

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

#130
20110186191
2011-08-04

Steel sheet for vitreous enameling and method for producing the same

#131
20110186185
2011-08-04

Method for producing high strength steel sheet excellent in formability

#132
20110132054
2011-06-09

METHOD FOR LONGITUDINALLY GUIDING ROLLING STOCK, ESPECIALLY A HOT-ROLLED STEEL STRIP, AND HOT-ROLLING MILL FOR CARRYING OUT SAID METHOD

#133
20110120600
2011-05-26

Cold-rolled steel sheet, method for manufacturing the same, and backlight chassis

#134
20110076177
2011-03-31

HIGH-STRENGTH STEEL SHEET FOR CANS AND METHOD FOR MANUFACTURING THE SAME

#135
20110073223
2011-03-31

STEEL SHEET FOR GALVANIZING WITH EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME

#136
20110070461
2011-03-24

Stainless steel foil for flexible display use

#137
20110030857
2011-02-10

High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same

#138
20110030854
2011-02-10

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#139
20110017360
2011-01-27

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

#140
20110008647
2011-01-13

High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same

#141
20100300585
2010-12-02

Low-density steel having good drawability

#142
20100218857
2010-09-02

HIGH TENSILE STRENGTH GALVANIZED STEEL SHEET EXCELLENT IN FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

#143
20100212856
2010-08-26

Method and device for producing a metal strip by continuous casting and rolling

#144
20100206439
2010-08-19

HIGH STRENGTH HOT ROLLED THICK STEEL SHEET EXCELLENT IN STRENGTH AND TOUGHNESS AFTER HEAT TREATMENT AND METHOD FOR MANUFACTURING THE SAME

#145
20100196189
2010-08-05

HIGH-STRENGTH STEEL SHEET

#146
20100175452
2010-07-15

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

#147
20100147484
2010-06-17

Method and device for manufacturing a metal strip by means of continuous casting and rolling

#148
20100132849
2010-06-03

High tensile-strength galvanized steel sheet and process for manufacturing high tensile-strength galvanized steel sheet

#149
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

#150
20100104890
2010-04-29

Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness

#151
20100096047
2010-04-22

Method for manufacturing flat steel products from a steel forming a martensitic microstructure

#152
20100065162
2010-03-18

Method for Manufacturing Flat Steel Products From Aluminum Alloyed Multi-Phase Steel

#153
20100065161
2010-03-18

Method for manufacturing flat steel products from silicon alloyed multi-phase steel

#154
20100047617
2010-02-25

High young's modulus steel plate and method of production of same

#155
20100047107
2010-02-25

STEEL MATERIAL SUPERIOR IN HIGH TEMPERATURE STRENGTH AND TOUGHNESS AND METHOD OF PRODUCTION OF SAME

#156
20100043513
2010-02-25

Method for manufacturing flat steel products from boron microalloyed multi-phase steel

#157
20100037995
2010-02-18

High-strength steel sheet superior in formability

#158
20090320546
2009-12-31

Method and finishing train for hot-rolling starting material

#159
20090317285
2009-12-24

HIGH STRENGTH STEEL PLATE SUPERIOR IN STRETCH FLANGE FORMABILITY AND FATIGUE CHARACTERISTICS

#160
20090314395
2009-12-24

Method of production of high strength thin-gauge steel sheet excellent in elongation and hole expandability

#161
20090280350
2009-11-12

STEEL SHEET HAVING HIGH PLANE INTEGRATION AND METHOD OF PRODUCTION OF SAME

#162
20090277546
2009-11-12

Method for manufacturing flat steel products from a steel forming a complex phase microstructure

#163
20090252955
2009-10-08

Steel sheet having excellent weldability

#164
20090242085
2009-10-01

Dual phase steel sheet with good bake-hardening properties

#165
20090223609
2009-09-10

High-strength hot rolled steel plate and manufacturing method thereof

#166
20090214892
2009-08-27

High strength steel sheet having superior ductility

#167
20090214377
2009-08-27

Method for Producing Hot Rolled Strip with a Multiphase Microstructure

#168
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

#169
20090126837
2009-05-21

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

#170
20090000703
2009-01-01

Ferritic stainless steel sheet superior in shapeability and method of production of the same

#171
20080257456
2008-10-23

Method for the Production of a Siderurgical Product Made of Carbon Steel with a High Copper Content, and Siderurgical Product Obtained According to Said Method

#172
20080251161
2008-10-16

High strength cold rolled steel sheet and plated steel sheet excellent in the balance of strength and workability

#173
20080210346
2008-09-04

Method of manufacturing super formable high strength steel sheet

#174
20080185077
2008-08-07

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

#175
20080000555
2008-01-03

High Strength Thin-Gauge Steel Sheet Excellent in Elongation and Hole Expandability and Method of Production of Same

#176
20070289717
2007-12-20

Method for making hot strips of lightweight construction steel

#177
20070144634
2007-06-28

Ferritic Cr-contained steel

#178
20070144620
2007-06-28

STEEL SHEET HAVING EXCELLENT WELDABILITY

#179
20070110610
2007-05-17

Hot work tool steel and mold member excellent resistance to melting loss

#180
20070095444
2007-05-03

High strength steel sheet excellent in formability

#181
20060108028
2006-05-25

Hot rolled steel having improved formability

#182
20060065335
2006-03-30

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

#183
20060037677
2006-02-23

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

#184
20050028898
2005-02-10

Method for the production of a siderurgical product made of carbon steel with a high copper content