ClassID:

119014

C21D8/0284 - CPC Classification

Classification description:

Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment Application of a separating or insulating coating

Recent Application in this class:
#1
20260124704
2026-05-07

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#2
20260092344
2026-04-02

NON-ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHOD FOR IRON CORE, MOTOR, AND MANUFACTURING METHOD FOR MOTOR

#3
20250382679
2025-12-18

Steel part having high strength and high bendability

#4
20250215543
2025-07-03

STEEL SHEET AND ENAMELED PRODUCT

#5
20250137084
2025-05-01

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#6
20240186042
2024-06-06

GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#7
20230075225
2023-03-09

NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#8
20230060105
2023-02-23

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREOF

#9
20230041990
2023-02-09

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#10
20230029310
2023-01-26

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#11
20220380905
2022-12-01

A press hardening method

#12
20220199304
2022-06-23

WATER-BASED ALKALINE COMPOSITION FOR FORMING AN INSULATING LAYER OF AN ANNEALING SEPARATOR, COATED SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING A COATED SOFT MAGNETIC STRIP

#13
20220098698
2022-03-31

High-strength steel sheet and method for producing the same

#14
20220090239
2022-03-24

Grain-oriented electrical steel sheet and method for manufacturing same

#15
20220081744
2022-03-17

Grain-oriented electrical steel sheet having excellent insulation coating adhesion without forsterite coating

#16
20210087660
2021-03-25

Ferritic stainless steel having excellent high-temperature oxidation resistance, and manufacturing method therefor

#17
20200387685
2020-12-10

Method for producing a hot strip of a bainitic multi-phase steel having a Zn—Mg—Al coating, and a corresponding hot strip

#18
20200340075
2020-10-29

A COATED STEEL SUBSTRATE

#19
20200318210
2020-10-08

A COATED STEEL SUBSTRATE

#20
20200255916
2020-08-13

Flat steel product with an AI-coating, method for producing the same, steel component and method for producing the same

#21
20190376155
2019-12-12

Curable protective coating composition

#22
20190292617
2019-09-26

Method for producing a TWIP steel sheet having an austenitic microstructure

#23
20190284655
2019-09-19

Reduction at elevated temperature of coated steels containing metastable austenite

#24
20190276909
2019-09-12

Cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts

#25
20190093189
2019-03-28

STEEL SHEET AND METHOD OF MANUFACTURING A STEEL SHEET TO PROTECT INCLINE OF COAT LAYER

#26
20190062865
2019-02-28

Hot press forming parts having excellent bending properties and method for manufacturing the same

#27
20190040513
2019-02-07

Method for producing press-hardened components consisting of steel sheets or steel strips comprising an aluminium-based coating, and pressed-hardened component therefrom

#28
20180265943
2018-09-20

Plated steel plate and manufacturing method thereof

#29
20180187324
2018-07-05

Steel sheet for containers, and method for producing steel sheet for containers

#30
20170314108
2017-11-02

METHOD OF MANUFACTURING HIGH STRENGTH STEEL SHEET

#31
20170218471
2017-08-03

Cold-rolled flat steel product and method for the production thereof

#32
20170170436
2017-06-15

Steel foil for power storage device container, power storage device container, power storage device, and manufacturing method of steel foil for power storage device container

#33
20170149036
2017-05-25

STEEL PRODUCT FOR PROTECTING ELECTRICAL COMPONENTS FROM MECHANICAL DAMAGE

#34
20170121788
2017-05-04

Process for manufacturing cold-rolled steel sheet

#35
20170088922
2017-03-30

High-strength hot-dip galvanized steel sheet and process for producing the same

#36
20170044640
2017-02-16

Method for producing high-strength galvanized steel sheet and high-strength galvannealed steel sheet

#37
20170016087
2017-01-19

High formability dual phase steel

#38
20160362763
2016-12-15

Hot press forming parts having excellent bending properties and method for manufacturing the same

#39
20160201154
2016-07-14

Cold-rolled steel sheet for vitreous enameling and its named enameled product thereof

#40
20160160310
2016-06-09

Method for manufacturing a high-strength galvanized steel sheet having excellent formability and crashworthiness

#41
20160108488
2016-04-21

Process for producing grain-oriented electrical steel strip and grain-oriented electrical steel strip obtained according to said process

#42
20160102378
2016-04-14

GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#43
20150083278
2015-03-26

High-strength hot-dip galvanized steel sheet excellent in impact resistance property and manufacturing method thereof, and high-strength alloyed hot-dip galvanized steel sheet and manufacturing method thereof

#44
20150079419
2015-03-19

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#45
20150056468
2015-02-26

High strength steel sheet

#46
20150050519
2015-02-19

Hot stamped steel and method for producing the same

#47
20150047751
2015-02-19

High strength steel sheet and method of manufacturing the same

#48
20150044502
2015-02-12

Hot-dip galvanized steel sheet for stamping having excellent cold workability, die hardenability, and surface quality, and producing method thereof

#49
20150044500
2015-02-12

Process for manufacturing a recovery annealed coated steel substrate for packaging applications and a packaging steel product produced thereby

#50
20150041024
2015-02-12

Ultrahigh-strength multiphase steel with improved properties during production and processing

#51
20150037610
2015-02-05

Cold-rolled steel sheet with controlled microstructure, grain diameters, and texture

#52
20150034215
2015-02-05

High strength multi-phase steel, and method for producing a strip from said steel

#53
20150030881
2015-01-29

Method for manufacturing high strength galvanized steel sheet

#54
20150030880
2015-01-29

HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR PRODUCING SAME

#55
20150027597
2015-01-29

HIGH STRENGTH BAKE-HARDENABLE LOW DENSITY STEEL AND METHOD FOR PRODUCING SAID STEEL

#56
20150027593
2015-01-29

Cold-rolled steel sheet and process for manufacturing same

#57
20150000797
2015-01-01

Cold-rolled flat steel product and method for its production

#58
20140377585
2014-12-25

High-manganese hot-rolled galvanized steel sheet and manufacturing method thereof

#59
20140377584
2014-12-25

High-strength galvanized steel sheet having excellent formability and crashworthiness

#60
20140290321
2014-10-02

Hot workability of metal alloys via surface coating

#61
20140227556
2014-08-14

Process for producing high-strength hot-dip galvanized steel sheet

#62
20130295409
2013-11-07

Austenitic, lightweight, high-strength steel sheet having high yield ratio and ductility, and method for producing the same

#63
20130251998
2013-09-26

Graphene-coated steel sheet, and method for manufacturing same

#64
20130233450
2013-09-12

METHOD FOR MANUFACTURING ORIENTED SILICON STEEL PRODUCT WITH HIGH MAGNETIC-FLUX DENSITY

#65
20130174940
2013-07-11

GRAIN ORIENTED STEEL STRIP WITH HIGH MAGNETIC CHARACTERISTICS, AND MANUFACTURING PROCESS OF THE SAME

#66
20130115376
2013-05-09

Antioxidant agent and process for producing metallic material

#67
20130037178
2013-02-14

Pre-diffused Al—Si coatings for use in rapid induction heating of press-hardened steel

#68
20120325117
2012-12-27

Method for hot shaping a workpiece and agent for reducing the heat emission

#69
20120183708
2012-07-19

Modifying hot workability of metal alloys via surface coating

#70
20120137498
2012-06-07

Hot Forming with Inlay Material

#71
20110139313
2011-06-16

Manufacturing method of oriented SI steel with high electric-magnetic property

#72
20100308491
2010-12-09

Method for hot shaping a workpiece and agent for reducing the heat emission

#73
20100154504
2010-06-24

Method for forming a stamped metal part

#74
20090053556
2009-02-26

High Mn steel sheet for high corrosion resistance and method of manufacturing galvanizing the steel sheet

#75
20050064107
2005-03-24

Method for producing coated steel sheet