ClassID:

119032

C21D8/0478 - 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 involving a particular surface treatment

Sub-classes:
Recent Application in this class:
#1
20250382680
2025-12-18

Steel part having high strength and high bendability

#2
20240141455
2024-05-02

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

#3
20240060160
2024-02-22

STEEL AEROSOL MONOBLOC

#4
20210238719
2021-08-05

High-strength hot-rolled coated steel sheet

#5
20200056255
2020-02-20

METHOD FOR PRODUCING STEEL SHEETS, STEEL SHEET AND USE THEREOF

#6
20190390314
2019-12-26

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

#7
20190160519
2019-05-30

AUTOMOBILE PART AND METHOD FOR MANUFACTURING AUTOMOBILE PART

#8
20180305786
2018-10-25

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

#9
20180291476
2018-10-11

High-strength steel sheet and method for manufacturing the same

#10
20180100224
2018-04-12

Method for the hot forming of a steel component

#11
20180044767
2018-02-15

FERRITIC STAINLESS STEEL SHEET

#12
20180023171
2018-01-25

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

#13
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

#14
20170321314
2017-11-09

METHOD FOR PRODUCING AN ANTI-CORROSION COATING FOR HARDENABLE SHEET STEELS AND AN ANTI-CORROSION COATING FOR HARDENABLE SHEET STEELS

#15
20170321297
2017-11-09

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

#16
20170314108
2017-11-02

METHOD OF MANUFACTURING HIGH STRENGTH STEEL SHEET

#17
20170145529
2017-05-25

Method for producing a steel component which is provided with a corrosion-resistant metal coating, and steel component

#18
20170101695
2017-04-13

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

#19
20170073789
2017-03-16

Method for producing a steel component which is shaped by hot-forming a steel sheet which has a metal coating, such a steel sheet, and a steel component produced from said steel sheet by means of a hot-forming process

#20
20160318093
2016-11-03

Automobile part and method for manufacturing automobile part

#21
20160247613
2016-08-25

Preparation method of oriented high silicon steel

#22
20160079455
2016-03-17

Stainless steel substrate for solar cell having superior insulating properties and low thermal expansion coefficient and method of producing the same

#23
20160075109
2016-03-17

Galvanized steel sheet and method for producing the same

#24
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

#25
20160040273
2016-02-11

High-strength low-specific-gravity steel sheet having superior spot weldability

#26
20160024632
2016-01-28

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

#27
20150329946
2015-11-19

Galvannealed steel sheet and method of manufacturing the same

#28
20150225830
2015-08-13

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

#29
20150184273
2015-07-02

Galvannealed steel sheet with excellent anti-powdering property

#30
20150079419
2015-03-19

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

#31
20150056468
2015-02-26

High strength steel sheet

#32
20150044500
2015-02-12

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

#33
20150044085
2015-02-12

Ferritic stainless steel sheet

#34
20150037684
2015-02-05

Steel foil and method for manufacturing the same

#35
20140377583
2014-12-25

Aluminum or aluminum alloy-coated steel material and method of manufacturing the same

#36
20140373980
2014-12-25

Ferrite-based stainless steel plate having excellent resistance against scale peeling, and method for manufacturing same

#37
20140360632
2014-12-11

Method for manufacturing high strength steel sheet having excellent formability

#38
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

#39
20140287259
2014-09-25

Steel foil and method for manufacturing the same

#40
20140255725
2014-09-11

Alloyed hot-dip galvanized steel sheet

#41
20140220382
2014-08-07

High strength galvanized steel sheet excellent in terms of coating adhesiveness and method for manufacturing the same

#42
20140216612
2014-08-07

Process for manufacturing steel, for hot forming or quenching in a tool, having improved ductility

#43
20140013814
2014-01-16

Method and apparatus for manufacturing Si-containing cold rolled steel sheets

#44
20130288073
2013-10-31

Plating method

#45
20130183542
2013-07-18

Process for producing an iron-tin layer on a packaging steel substrate

#46
20120328871
2012-12-27

Strip, sheet or blank suitable for hot forming and process for the production thereof

#47
20120279868
2012-11-08

MANUFACTURING GALVANNEALED SHEETS BY HEAT-TREATING ELECTROLYTICALLY FINISHED SHEETS

#48
20120101531
2012-04-26

Biocompatible material made of stainless steel having a martensitic surface layer

#49
20110186191
2011-08-04

Steel sheet for vitreous enameling and method for producing the same

#50
20110083774
2011-04-14

High strength steel sheet and hot dip galvanized steel sheet having high ductility and excellent delayed fracture resistance and method for manufacturing the same

#51
20110076477
2011-03-31

Method for producing coated and hardened components of steel and coated and hardened steel strip therefor

#52
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

#53
20100221572
2010-09-02

Steel, for hot forming or quenching in a tool, having improved ductility

#54
20100132849
2010-06-03

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

#55
20100006184
2010-01-14

ALLOYED HOT-DIP GALVANIZED STEEL SHEET AND PRODUCTION METHOD THEREOF

#56
20060037677
2006-02-23

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