ClassID:

119754

C22C38/008 - page 4 - CPC Classification

Classification description:

Ferrous alloys, e.g. steel alloys containing tin

Recent Application in this class:
#901
20150315684
2015-11-05

High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same

#902
20150307974
2015-10-29

STEEL MATERIAL HAVING EXCELLENT ALCOHOL-INDUCED PITTING CORROSION RESISTANCE AND ALCOHOL-INDUCED SCC RESISTANCE

#903
20150299819
2015-10-22

Production method for grain-oriented electrical steel sheet

#904
20150285300
2015-10-08

Sintered bearing

#905
20150279531
2015-10-01

Non-oriented electrical steel sheet and manufacturing method thereof

#906
20150279530
2015-10-01

Rare earth magnet and a method for manufacturing compactable powder for the rare earth magnet without jet milling

#907
20150270042
2015-09-24

Hot-rolled steel sheet for production of non-oriented electrical steel sheet and method of manufacturing same

#908
20150270041
2015-09-24

Rare earth based magnet

#909
20150267284
2015-09-24

METHODS FOR PRODUCTION OF HIGHLY FORMABLE EXTRA DEEP DRAW ENAMELING STEEL -- PRODUCT AND PROCESS FOR MANUFACTURE THEREOF

#910
20150258599
2015-09-17

Method for producing a ring-pull top from a steel sheet provided with a protective layer and a ring-pull top produced thereby

#911
20150255211
2015-09-10

Manufacturing method of common grain-oriented silicon steel with high magnetic induction

#912
20150248957
2015-09-03

Grain-oriented electrical steel sheet and method for manufacturing same

#913
20150243419
2015-08-27

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#914
20150236319
2015-08-20

Stainless separator for fuel cell and method of manufacturing the same

#915
20150232971
2015-08-20

ABRASION RESISTANT STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND EXCELLENT CORROSIVE WEAR RESISTANCE

#916
20150232966
2015-08-20

Machine component made of ferrous sintered metal

#917
20150225822
2015-08-13

Abrasion resistant steel plate having excellent low-temperature toughness and excellent corrosive wear resistance

#918
20150213928
2015-07-30

High-strength electrical steel sheet and method of producing the same

#919
20150211089
2015-07-30

Rapid heating apparatus of continuous annealing line

#920
20150206633
2015-07-23

High magnetic induction oriented silicon steel and manufacturing method thereof

#921
20150203949
2015-07-23

Dual phase steel sheet and manufacturing method thereof

#922
20150194247
2015-07-09

Method for producing grain-oriented electrical steel sheet

#923
20150187475
2015-07-02

Non-oriented electrical steel sheet being less in deterioration of iron loss property by punching

#924
20150187474
2015-07-02

Grain-oriented electrical steel sheet for iron core and method of manufacturing the same

#925
20150187473
2015-07-02

Method for producing grain-oriented electrical steel sheet

#926
20150179318
2015-06-25

Rare earth based magnet

#927
20150170813
2015-06-18

Method of producing grain-oriented electrical steel sheet

#928
20150170812
2015-06-18

MANUFACTURING METHOD OF GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#929
20150159287
2015-06-11

INERT ALLOY ANODE USED FOR ALUMINUM ELECTROLYSIS AND PREPARATION METHOD THEREFOR

#930
20150155085
2015-06-04

Method of production of grain-oriented silicon steel sheet grain oriented electrical steel sheet and use thereof

#931
20150152531
2015-06-04

High strength stainless steel seamless pipe with excellent corrosion resistance for oil well and method of manufacturing the same

#932
20150136278
2015-05-21

Method for manufacturing non-oriented electromagnetic steel sheet

#933
20150136195
2015-05-21

THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC CONVERSION MODULE USING THE SAME

#934
20150111004
2015-04-23

Grain-oriented electrical steel sheet and method of manufacturing same

#935
20150090376
2015-04-02

High carbon hot rolled steel sheet and method for manufacturing the same

#936
20150078957
2015-03-19

BEARING STEEL

#937
20150078956
2015-03-19

WARM PRESS FORMING METHOD AND AUTOMOBILE FRAME COMPONENT

#938
20150064481
2015-03-05

Grain oriented electrical steel with improved forsterite coating characteristics

#939
20150059929
2015-03-05

Method of producing non-oriented electrical steel sheet

#940
20150047751
2015-02-19

High strength steel sheet and method of manufacturing the same

#941
20150044086
2015-02-12

Steel wire rod or steel bar having excellent cold forgeability

#942
20150044085
2015-02-12

Ferritic stainless steel sheet

#943
20150030880
2015-01-29

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

#944
20150030879
2015-01-29

Hot rolled steel sheet and method for manufacturing the same

#945
20150027590
2015-01-29

Method of producing electrical steel sheet

#946
20150020933
2015-01-22

HEAT-RESISTANT COLD ROLLED FERRITIC STAINLESS STEEL SHEET, HOT ROLLED FERRITIC STAINLESS STEEL SHEET FOR COLD ROLLING RAW MATERIAL, AND METHODS FOR PRODUCING SAME

#947
20150017472
2015-01-15

Galvanized steel sheet

#948
20150017471
2015-01-15

Hot-rolled steel sheet and manufacturing method thereof

#949
20150017469
2015-01-15

SHEET STEEL FOR USE AS PACKAGING STEEL AND METHOD FOR PRODUCING PACKAGING STEEL

#950
20150013850
2015-01-15

Electrical steel sheet

#951
20150013849
2015-01-15

Grain-oriented electrical steel sheet

#952
20150013844
2015-01-15

Non-oriented silicon steel and manufacturing process thereof

#953
20150010779
2015-01-08

Method for producing packaging steel

#954
20150010425
2015-01-08

AUSTENITIC STAINLESS STEEL

#955
20150004050
2015-01-01

STEEL STRIP FOR COILED TUBING AND METHOD OF MANUFACTURING THE SAME

#956
20150000801
2015-01-01

High-carbon hot rolled steel sheet with excellent hardenability and small in-plane anistropy and method for manufacturing the same

#957
20150000793
2015-01-01

Non-oriented electrical steel sheet and method of manufacturing the same

#958
20140377585
2014-12-25

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

#959
20140377124
2014-12-25

Non-oriented electrical steel plate and manufacturing process therefor

#960
20140373980
2014-12-25

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

#961
20140373978
2014-12-25

Case hardened steel having reduced thermal treatment distortion

#962
20140363696
2014-12-11

High-strength hot rolled steel sheet

#963
20140353464
2014-12-04

HIGH STRENGTH REBAR

#964
20140352495
2014-12-04

Sintered alloy superior in wear resistance

#965
20140345751
2014-11-27

Non-oriented electrical steel sheet

#966
20140328716
2014-11-06

Steel for welding

#967
20140305550
2014-10-16

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

#968
20140295210
2014-10-02

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

#969
20140294660
2014-10-02

HOT-ROLLED FERRITIC STAINLESS STEEL SHEET WITH EXCELLENT COLD CRACKING RESISTANCE AND MANUFACTURING PROCESS THEREFOR

#970
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

#971
20140255720
2014-09-11

Ultrathin electromagnetic steel sheet

#972
20140255244
2014-09-11

DUPLEX STAINLESS STEEL, DUPLEX STAINLESS STEEL SLAB, AND DUPLEX STAINLESS STEEL MATERIAL

#973
20140251514
2014-09-11

Grain-oriented electrical steel sheet and method of producing the same

#974
20140246124
2014-09-04

Annealing separator for grain-oriented electromagnetic steel sheet

#975
20140238558
2014-08-28

Non-oriented electrical steel sheet and manufacturing method thereof

#976
20140238555
2014-08-28

HIGH STRENGTH HOT ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#977
20140230971
2014-08-21

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

#978
20140216614
2014-08-07

Ferritic stainless steel plate which has excellent ridging resistance and method of production of same

#979
20140212660
2014-07-31

Medium carbon steel sheet for cold working and method for manufacturing the same

#980
20140209216
2014-07-31

High-manganese steel with superior coating adhesion and method for manufacturing hot-dip galvanized steel from same

#981
20140193667
2014-07-10

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

#982
20140150249
2014-06-05

COLD ROLLED MOTOR LAMINATION ELECTRICAL STEELS WITH REDUCED AGING AND IMPROVED ELECTRICAL PROPERTIES

#983
20140127074
2014-05-08

USE OF A WEAR-RESISTANT STEEL COMPONENT ESPECIALLY AS THE PLOW OF A CONSTRUCTION MACHINE

#984
20140124101
2014-05-08

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

#985
20140110022
2014-04-24

Hot-rolled steel sheet and method for producing same

#986
20140087208
2014-03-27

Cold-rolled steel sheet

#987
20140072471
2014-03-13

Non-oriented electrical steel sheet

#988
20140069619
2014-03-13

Ferritic stainless steel for biofuel supply system part, biofuel supply system part, ferritic stainless steel for exhaust heat recovery unit, and exhaust heat recovery unit

#989
20140056752
2014-02-27

STEEL MATERIAL HAVING EXCELLENT ATMOSPHERIC CORROSION RESISTANCE

#990
20140030546
2014-01-30

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

#991
20140023550
2014-01-23

FERRITIC STAINLESS STEEL SHEET EXCELLENT IN HEAT RESISTANCE AND WORKABILITY AND METHOD OF PRODUCTION OF SAME

#992
20140023432
2014-01-23

FERRITIC STAINLESS STEEL EXCELLENT IN CORROSION RESISTANCE AND STRENGTH OF WELD ZONE AND TIG WELDED STRUCTURE

#993
20140014236
2014-01-16

Hot-rolled steel sheet and production method thereof

#994
20140000765
2014-01-02

Cold-rolled steel sheet and production method thereof

#995
20130343948
2013-12-26

Duplex stainless steel superior in corrosion resistance of weld

#996
20130343084
2013-12-26

Surface illumination device

#997
20130337289
2013-12-19

High purity ferritic stainless steel sheet excellent in corrosion resistance and anti-glare property

#998
20130323112
2013-12-05

Method of producing a hot rolled steel sheet

#999
20130319583
2013-12-05

High-purity ferritic stainless steel sheet with excellent oxidation resistance and high-temperature strength, and process for producing the same

#1000
20130309525
2013-11-21

Non-oriented electrical steel sheet, manufacturing method thereof, laminate for motor iron core, and manufacturing method thereof

#1001
20130306200
2013-11-21

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#1002
20130292006
2013-11-07

Grain-oriented electrical steel sheet and manufacturing method thereof

#1003
20130264123
2013-10-10

Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same

#1004
20130248060
2013-09-26

Strain aging hardening steel sheet excellent in aging resistance, and manufacturing method thereof

#1005
20130240094
2013-09-19

Bake-hardenable high-strength cold-rolled steel sheet and method of manufacturing the same

#1006
20130174940
2013-07-11

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

#1007
20130161301
2013-06-27

Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheet

#1008
20130153091
2013-06-20

Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same

#1009
20130149187
2013-06-13

HEAT-RESISTANT FERRITIC STAINLESS STEEL SHEET HAVING EXCELLENT OXIDATION RESISTANCE

#1010
20130143050
2013-06-06

Grain oriented electrical steel sheet and method for manufacturing the same

#1011
20130139991
2013-06-06

High carbon chromium bearing steel, and preparation method thereof

#1012
20130130043
2013-05-23

Grain oriented electrical steel sheet and method for manufacturing the same

#1013
20130125601
2013-05-23

Manufacturing method of non-oriented electrical steel sheet

#1014
20130101457
2013-04-25

Steel for machine structure exhibiting excellent machinability

#1015
20130101244
2013-04-25

Oil-impregnated sintered bearing and production method therefor

#1016
20130098513
2013-04-25

Method for manufacturing an ultra-highstrength steel bar

#1017
20130087254
2013-04-11

HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT STRETCH-FLANGE FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

#1018
20130087252
2013-04-11

HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

#1019
20130074996
2013-03-28

Method for manufacturing grain oriented electrical steel sheet

#1020
20130032253
2013-02-07

HIGH-STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING THE SAME

#1021
20130014864
2013-01-17

Dual-phase stainless steel sheet and steel strip and method of production

#1022
20130011294
2013-01-10

FERRITIC STAINLESS STEEL EXCELLENT IN CORROSION RESISTANCE IN ENVIRONMENT OF CONDENSED WATER FROM HYDROCARBON COMBUSTION GAS

#1023
20130004361
2013-01-03

Ferrite-based stainless steel for use in components of automobile exhaust system

#1024
20130004360
2013-01-03

Ferritic stainless steel sheet excellent in oxidation resistance

#1025
20130000796
2013-01-03

High strength, hot dipped galvanized steel sheet excellent in shapeability and method of production of same

#1026
20130000786
2013-01-03

Manufacturing method of grain-oriented electrical steel sheet

#1027
20120312424
2012-12-13

Method of manufacturing grain-oriented electrical steel sheet

#1028
20120298265
2012-11-29

Method for manufacturing grain oriented electrical steel sheets

#1029
20120267015
2012-10-25

Non-Oriented Electrical Steel Sheet Having Superior Magnetic Properties and a Production Method Therefor

#1030
20120222777
2012-09-06

PROCESS TO MANUFACTURE GRAIN-ORIENTED ELECTRICAL STEEL STRIP AND GRAIN-ORIENTED ELECTRICAL STEEL PRODUCED THEREBY

#1031
20120204994
2012-08-16

Heavy wall steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance

#1032
20120201712
2012-08-09

Nitrogen containing, low nickel sintered stainless steel

#1033
20120199255
2012-08-09

High strength steel pipes with excellent toughness at low temperature and sulfide stress corrosion cracking resistance

#1034
20120183431
2012-07-19

STRUCTURAL STEEL MATERIAL AND STEEL STRUCTURE WITH HIGH CORROSION RESISTANCE

#1035
20120180912
2012-07-19

High strength and high toughness cast steel material and method for producing the same

#1036
20120131982
2012-05-31

GRAIN ORIENTED ELECTRICAL STEEL SHEET

#1037
20120082585
2012-04-05

Sintered material for valve guides and production method therefor

#1038
20120018049
2012-01-26

Process for the production of grain-oriented magnetic sheet starting from thin slab

#1039
20120014828
2012-01-19

Non-oriented electrical steel sheet and manufacturing method thereof

#1040
20120003116
2012-01-05

AUSTENITIC STAINLESS STEEL

#1041
20120000262
2012-01-05

Method for manufacturing grain-oriented silicon steel with single cold rolling

#1042
20110265920
2011-11-03

High-purity ferritic stainless steels excellent in corrosion resistance and method of production of same

#1043
20110243484
2011-10-06

Sliding bearing with improved wear resistance and method of manufacturing same

#1044
20110236696
2011-09-29

HIGH STRENGTH REBAR

#1045
20110236248
2011-09-29

High-purity ferritic stainless steel with excellent corrosion resistance and workability and method of production of same

#1046
20110217567
2011-09-08

METHOD FOR THE MANUFACTURE OF A COMPOUND PRODUCT WITH A SURFACE REGION OF A WEAR RESISTANT COATING, SUCH A PRODUCT AND THE USE OF A STEEL MATERIAL FOR OBTAINING THE COATING

#1047
20110192508
2011-08-11

Magnetostrictive material and preparation method thereof

#1048
20110155285
2011-06-30

Manufacturing method of grain-oriented electrical steel sheet

#1049
20110073223
2011-03-31

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

#1050
20110056592
2011-03-10

HIGH-STRENGTH NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#1051
20100300583
2010-12-02

Process for the production of a grain oriented magnetic strip

#1052
20100227188
2010-09-09

Ferrous sintered multilayer roll-formed bushing, producing method of the same and connecting device

#1053
20100166594
2010-07-01

Austenitic heat resistant alloy

#1054
20100150770
2010-06-17

Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in resistance to crevice corrosion and formability, and ferritic stainless steel excellent in resistance to crevice corrosion

#1055
20100129697
2010-05-27

Stainless steel separator for fuel cell and the manufacturing method thereof

#1056
20100104890
2010-04-29

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

#1057
20100092330
2010-04-15

ECO-FRIENDLY PB-FREE FREE CUTTING STEEL WITH EXCELLENT MACHINABILITY AND HOT WORKABILITY

#1058
20100054984
2010-03-04

MACHINING STEEL SUPERIOR IN MANUFACTURABILITY

#1059
20090272470
2009-11-05

Method of heat treating cultivating disc, coulter, and seed drill blades made from heat quenched boron steels, such that they can be roller re-edged and re-sharpened, and yet retain excellent toughness, hardness and wear characteristics, and are especially useful in dry sandy soils such as found in certain wheat growing regions

#1060
20090269649
2009-10-29

Stainless separator for fuel cell and method of manufacturing the same

#1061
20090044881
2009-02-19

Grain-oriented electrical steel sheet extremely excellent in magnetic properties and method of production of same

#1062
20090032142
2009-02-05

Method of producing grain-oriented electrical steel sheet very excellent in magnetic properties

#1063
20080271819
2008-11-06

Ultra-high magnetic flux density grain-oriented electrical steel sheet excellent in iron loss at a high magnetic flux density and film properties and method for producing the same

#1064
20080166256
2008-07-10

Steel excellent in resistance to sulfuric acid dew point corrosion

#1065
20080121314
2008-05-29

Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same

#1066
20080063557
2008-03-13

Spintronics Material and Tmr Device

#1067
20080060728
2008-03-13

Method of manufacturing a nonoriented electromagnetic steel sheet

#1068
20080053576
2008-03-06

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

#1069
20070231182
2007-10-04

Low cost bronze powder for high performance bearings

#1070
20070107816
2007-05-17

High carbon steel with superplasticity

#1071
20070017273
2007-01-25

Warm forming of metal alloys at high and stretch rates

#1072
20060151142
2006-07-13

Method of continuous casting non-oriented electrical steel strip

#1073
20060124907
2006-06-15

High-strength hop-dip galvanized steel sheet

#1074
20060065329
2006-03-30

High strength steel sheet and method for manufacturing the same

#1075
20060048859
2006-03-09

Fe-Cr-Si based non-oriented electromagnetic steel sheet and process for producing the same

#1076
20060032328
2006-02-16

Sintered valve guide and manufacturing method thereof

#1077
20050106057
2005-05-19

Pre-alloyed bond powders

#1078
19011515
2026-03-17

Steel sheet and high strength press hardened steel part having excellent bending and method of manufacturing the same

#1079
18901011
2025-03-11

Oriented electrical steel with high magnetic induction and annealing method thereof

#1080
18811133
2025-05-27

Steel sheet and high strength press hardened steel part having excellent bending and method of manufacturing the same

#1081
18331675
2023-09-26

Preparation method of gradient high-silicon steel by molten salt electrolysis

#1082
16378482
2022-05-31

Lightweight coupler

#1083
15075193
2017-08-01

Stainless steel alloys with antimicrobial properties