ClassID:

118980

C21D6/002 - CPC Classification

Classification description:

Heat treatment of ferrous alloys containing Cr

Recent Application in this class:
#1
20260139349
2026-05-21

FERRITIC STAINLESS STEEL HAVING IMPROVED CORROSION RESISTANCE AND MAGNETIC PROPERTIES, AND MANUFACTURING METHOD THEREFOR

#2
20260132493
2026-05-14

PLATED STEEL SHEET

#3
20260103772
2026-04-16

HEAT TREATED COLD ROLLED STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF

#4
20260103771
2026-04-16

NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING THE SAME, AND MOTOR CORE

#5
20260098329
2026-04-09

STEEL MATERIAL WITH GOOD FATIGUE PROPERTY IN HYDROGEN AND METHOD FOR PRODUCING THE SAME, AND STEEL PIPE AND METHOD FOR PRODUCING THE SAME

#6
20260097429
2026-04-09

METHOD OF MANUFACTURING HOT PRESS-FORMED MEMBER HAVING EXCELLENT PRODUCTIVITY, WELDABILITY AND FORMABILITY

#7
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

#8
20260092346
2026-04-02

HIGH STRENGTH HOT ROLLED STEEL SHEET

#9
20260092338
2026-04-02

HIGH-STRENGTH NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#10
20260085393
2026-03-26

HOT-ROLLED STEEL SHEET

#11
20260085392
2026-03-26

HOT-ROLLED STEEL SHEET

#12
20260085373
2026-03-26

HIGH STRENGTH STEEL SHEET HAVING SUPERIOR WORKABILITY AND METHOD FOR MANUFACTURING SAME

#13
20260085372
2026-03-26

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND INDUCTION HEATING DEVICE

#14
20260081056
2026-03-19

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND INDUCTION HEATING DEVICE

#15
20260078475
2026-03-19

DOUBLE ANNEALED STEEL SHEET PRODUCTS WITH IMPROVED HOLE EXPANSION RATIOS

#16
20260078462
2026-03-19

STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME

#17
20260062782
2026-03-05

STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#18
20260062765
2026-03-05

HIGH-STRENGTH COATED STEEL SHEET AND METHOD FOR PRODUCING THE SAME

#19
20260055493
2026-02-26

ULTRA-PURE FERRITIC STAINLESS STEEL AND ITS MANUFACTURING METHOD AND USE

#20
20260055478
2026-02-26

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

#21
20260051427
2026-02-19

NON-ORIENTED ELECTRICAL STEEL FOR ELECTRIC VEHICLE DRIVE MOTOR AND MANUFACTURING METHOD THEREOF

#22
20260049383
2026-02-19

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

#23
20260049382
2026-02-19

STEEL SHEET

#24
20260043122
2026-02-12

METHOD FOR THERMALLY TREATING CHROMIUM STEELS

#25
20260042279
2026-02-12

GALVANNEALED STEEL SHEET, CHEMICAL-CONVERSION-TREATED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEET, AND AUTOMOTIVE PART

#26
20260042278
2026-02-12

FE-BASED ELECTROPLATED STEEL SHEET, CHEMICAL-CONVERSION-TREATED STEEL SHEET, ELECTRODEPOSITION-COATED STEEL SHEET, AND AUTOMOTIVE PART

#27
20260022438
2026-01-22

HIGH STRENGTH MEMBER, METHOD FOR MANUFACTURING HIGH STRENGTH MEMBER, AND METHOD FOR MANUFACTURING STEEL SHEET FOR HIGH STRENGTH MEMBER

#28
20260022437
2026-01-22

HIGH STRENGTH MULTI-PHASE STEEL HAVING EXCELLENT BURRING PROPERTIES AT LOW TEMPERATURE, AND METHOD FOR PRODUCING SAME

#29
20260009099
2026-01-08

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#30
20250389007
2025-12-25

120-KG-GRADE ULTRAHIGH-STRENGTH GALVANIZED STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#31
20250388990
2025-12-25

HOT-ROLLED COMPLEX-PHASE STEEL WITH 800-MPA-GRADE TENSILE STRENGTH AND MANUFACTURING METHOD THEREFOR

#32
20250376739
2025-12-11

HIGH HOLE EXPANSION STEEL AND METHOD FOR MANUFACTURING THEREFOR

#33
20250369066
2025-12-04

HIGH-PLASTICITY STEEL AND MANUFACTURING METHOD THEREFOR

#34
20250369063
2025-12-04

HIGH STRENGTH STEEL PLATE FOR SOUR-RESISTANT LINE PIPE AND METHOD FOR PRODUCING SAME, AND HIGH STRENGTH STEEL PIPE OR TUBE USING HIGH STRENGTH STEEL PLATE FOR SOUR-RESISTANT LINE PIPE

#35
20250361592
2025-11-27

PRODUCTION METHOD FOR STEEL SHEET

#36
20250361575
2025-11-27

SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING SOFT MAGNETIC ALLOY

#37
20250354244
2025-11-20

800MPA-GRADE HIGH-HOLE-EXPANSION HOT-DIP GALVANIZED STEEL PLATE AND MANUFACTURING METHOD THEREFOR

#38
20250354233
2025-11-20

DOUBLE COLD ROLLED NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#39
20250354232
2025-11-20

Process for Manufacturing a Press Hardened Laser Welded Steel Part

#40
20250346982
2025-11-13

ROLL FORMED STEEL COMPONENT

#41
20250346981
2025-11-13

TAILOR-ROLLED BLANK FOR USE IN HOT STAMPING AUTOMOTIVE PARTS, AND METHOD OF MAKING HOT STAMPED AUTOMOTIVE PARTS

#42
20250346972
2025-11-13

HIGH-TOUGHNESS STEEL AND METHOD FOR MANUFACTURING THE SAME

#43
20250346971
2025-11-13

HIGH-VANADIUM HIGH-SPEED STEEL AND PREPARATION METHOD THEREFOR, AND USE THEREOF

#44
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

#45
20250340961
2025-11-06

FIRMWARE-BASED OUT-OF-ORDER COMMAND SCHEDULER

#46
20250333829
2025-10-30

HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND ELECTRIC RESISTANCE SPOT WELDABILITY, AND MANUFACTURING METHOD THEREFOR

#47
20250333824
2025-10-30

STEEL ALLOY AND METHOD OF MANUFACTURE EXHIBITING ENHANCED COMBINATION OF HIGH TEMPERATURE STRENGTH, OXIDATION RESISTANCE, AND THERMAL CONDUCTIVITY

#48
20250333813
2025-10-30

NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOF

#49
20250327188
2025-10-23

COMPOSITIONS AND METHODS FOR CORROSION-RESISTANT FERRITIC STAINLESS STEEL

#50
20250326070
2025-10-23

WELDED STEEL PIPE FOR SLURRY TRANSPORTING AND MANUFACTURING METHOD FOR SAME

#51
20250320587
2025-10-16

NON-QUENCHED AND NON-TEMPERED STEEL WIRE ROD FOR HOT FORGING WITH EXCELLENT MACHINABILITY AND IMPACT TOUGHNESS AND METHOD FOR MANUFACTURING SAME

#52
20250320576
2025-10-16

ULTRA-HIGH TENSILE COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#53
20250320573
2025-10-16

WEAR RESISTANT STEEL WITH HIGH HARDNESS AND GOOD TOUGHNESS WHICH KEEPS HARDENED AFTER HARD FACING AND TUNGSTEN CARBIDE TILE BRAZING

#54
20250319509
2025-10-16

PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN BRITTLENESS RESISTANCE AND IMPACT RESISTANCE, HOT PRESS FORMED PARTS, AND MANUFACTURING METHODS THEREOF

#55
20250313914
2025-10-09

SLAB FOR HIGH-STRENGTH STEEL SHEET AND COOLING METHOD THEREOF, PRODUCING METHOD OF HIGH-STRENGTH HOT-ROLLED STEEL SHEET, PRODUCING METHOD OF HIGH-STRENGTH COLD-ROLLED STEEL SHEET, AND PRODUCING METHOD OF HIGH-STRENGTH PLATED STEEL SHEET

#56
20250313911
2025-10-09

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

#57
20250305103
2025-10-02

STEEL FOR INDUCTION HARDENING

#58
20250305081
2025-10-02

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PROPERTY, HOT PRESS FORMED PART, AND MANUFACTURING METHOD THEREOF

#59
20250305078
2025-10-02

METHOD FOR MANUFACTURING A RAIL AND CORRESPONDING RAIL

#60
20250286412
2025-09-11

ROTARY ELECTRIC MACHINE, NON-ORIENTED ELECTRICAL STEEL SHEET, LAMINATED CORE, METHOD FOR MANUFACTURING ROTARY ELECTRIC MACHINE, AND METHOD FOR MANUFACTURING LAMINATED CORE

#61
20250277285
2025-09-04

HOT ROLLED STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF

#62
20250277284
2025-09-04

A MARTENSITIC STEEL AND A METHOD OF MARTENSITIC STEEL THEREOF

#63
20250276352
2025-09-04

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

#64
20250270666
2025-08-28

HIGH-PLASTICITY 1500-MPA-GRADE ULTRAHIGH-STRENGTH STEEL AND PREPARATION METHOD THEREFOR

#65
20250257422
2025-08-14

MATERIAL FOR HOT STAMPING AND METHOD OF MANUFACTURING THE SAME

#66
20250257420
2025-08-14

FIRMWARE-BASED OUT-OF-ORDER COMMAND SCHEDULER

#67
20250253450
2025-08-07

ENCLOSURE FOR BATTERY CELL INCLUDING QUENCH HARDENED STEEL

#68
20250250660
2025-08-07

HOT-ROLLED STEEL SHEET AND METHOD OF PRODUCING SAME, AND ELECTRIC RESISTANCE WELDED STEEL PIPE OR TUBE AND METHOD OF PRODUCING SAME

#69
20250243556
2025-07-31

ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#70
20250236956
2025-07-24

APPARATUS, COMPOSITIONS, AND METHODS FOR STAINLESS-COATED STEEL REINFORCEMENT BAR

#71
20250236925
2025-07-24

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#72
20250230533
2025-07-17

LOW TEMPERATURE HARDENABLE STEELS WITH EXCELLENT MACHINABILITY

#73
20250215545
2025-07-03

COLD-ROLLED STEEL SHEET

#74
20250215544
2025-07-03

STEEL MATERIAL

#75
20250215540
2025-07-03

METHOD FOR PRODUCING A SUPPORT FILM FOR CATALYTIC CONVERTERS

#76
20250207233
2025-06-26

HOT STAMPING ALLOY, METHOD OF MAKING HOT STAMPED PARTS WITH SUCH ALLOY, AND PARTS MADE FROM SUCH ALLOY

#77
20250207215
2025-06-26

HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME

#78
20250206375
2025-06-26

METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED BLANK

#79
20250197984
2025-06-19

METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET

#80
20250197959
2025-06-19

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#81
20250179602
2025-06-05

STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME

#82
20250179601
2025-06-05

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#83
20250179600
2025-06-05

PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-BASED CORROSION-RESISTANT COATING, AND FLAT STEEL PRODUCT HAVING AN ALUMINUM-BASED CORROSION-RESISTANT COATING

#84
20250171869
2025-05-29

STEEL SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR MANUFACTURING HOT-ROLLED STEEL SHEET FOR COLD-ROLLED STEEL SHEET, AND METHOD FOR MANUFACTURING COLD-ROLLED STEEL SHEET

#85
20250146093
2025-05-08

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

#86
20250140456
2025-05-01

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

#87
20250137086
2025-05-01

STEEL MATERIAL FOR HOT FORMING, HOT FORMED PART, AND METHOD FOR MANUFACTURING THEREOF

#88
20250137083
2025-05-01

STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAME

#89
20250137082
2025-05-01

STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAME

#90
20250122592
2025-04-17

COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#91
20250118468
2025-04-10

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#92
20250109467
2025-04-03

HOT-ROLLED STEEL SHEET

#93
20250109465
2025-04-03

ULTRA-FINE GRAINED STEELS HAVING CORROSION-FATIGUE RESISTANCE

#94
20250109453
2025-04-03

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#95
20250101542
2025-03-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#96
20250092485
2025-03-20

HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR

#97
20250092482
2025-03-20

ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#98
20250092481
2025-03-20

HIGH-STRENGTH STEEL AND METHOD OF MANUFACTURING THE SAME

#99
20250092480
2025-03-20

HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF YIELD STRENGTH OF 420 MPA AND PREPARATION METHOD THEREFOR

#100
20250084518
2025-03-13

HOT STAMPED BODY

#101
20250084517
2025-03-13

HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HAVING EXCELLENT SPOT WELDABILITY, AND METHOD FOR MANUFACTURING SAME

#102
20250084500
2025-03-13

LOW-CARBON, LOW-ALLOY AND HIGH-FORMABILITY DUAL-PHASE STEEL HAVING TENSILE STRENGTH OF GREATER THAN OR EQUAL TO 590 MPA, HOT-DIP GALVANIZED DUAL-PHASE STEEL, AND MANUFACTURING METHOD THEREFOR

#103
20250075284
2025-03-06

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#104
20250075283
2025-03-06

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#105
20250066868
2025-02-27

METHOD TO ACHIEVE VARIABLE PROPERTIES WITHIN A COMPONENT USING COATING FREE PRESS HARDENED STEEL

#106
20250059618
2025-02-20

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

#107
20250051870
2025-02-13

ULTRAHIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND MANUFACTURING METHOD THEREFOR

#108
20250043377
2025-02-06

CARBIDE-FREE TEMPERED MARTENSITIC STEELS AND PREPARATION METHODS THEREOF

#109
20250043376
2025-02-06

METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART, HAVING EXCELLENT DRILLING CHARACTERISTICS

#110
20250043374
2025-02-06

SEAWATER CORROSION-RESISTANT MARINE ENGINEERING STEEL AND PREPARATION METHOD THEREOF

#111
20250034670
2025-01-30

BAINITE STEEL AND PREPARATION METHOD THEREFOR

#112
20250019786
2025-01-16

COLD ROLLED AND HEAT TREATED STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF

#113
20250019785
2025-01-16

HIGH-ALUMINUM BORON-CONTAINING DIE STEEL WITH RESISTANCE TO ZINC-INDUCED HOT CORROSION FOR SEVERE PLASTIC DEFORMATION OF ZINC ALLOYS AT ELEVATED TEMPERATURE AND PREPARATION METHOD THEREOF

#114
20250014793
2025-01-09

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING MOTOR CORE

#115
20250011892
2025-01-09

Method for producing a steel sheet having excellent processability before hot forming

#116
20250003040
2025-01-02

HOT-ROLLED STEEL FOR ENAMELING HAVING ENAMELING AND FIRING STRENGTHENING PROPERTY, AND MANUFACTURING METHOD THEREFOR

#117
20250003022
2025-01-02

COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR

#118
20250003021
2025-01-02

STEEL SHEET, MEMBER, METHOD OF PRODUCING STEEL SHEET, AND METHOD OF PRODUCING MEMBER

#119
20250003020
2025-01-02

FIRMWARE-BASED OUT-OF-ORDER COMMAND SCHEDULER

#120
20240425960
2024-12-26

STEEL SHEET AND PRESS-FORMED ARTICLE

#121
20240425958
2024-12-26

ULTRA-HIGH STRENGTH HOT-ROLLED STEEL WITH TOUGHNESS AND METHOD OF FABRICATING SAME

#122
20240425946
2024-12-26

Sheet Metal Component and Method for Producing Same

#123
20240425943
2024-12-26

STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM

#124
20240417832
2024-12-19

FERRITIC STAINLESS STEEL WITH EXCELLENT CLAD SHEET WORKABILITY, AND MANUFACTURING METHOD THEREFOR

#125
20240417831
2024-12-19

ALLOYED STEEL

#126
20240417820
2024-12-19

COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#127
20240410028
2024-12-12

PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN BRITTLENESS RESISTANCE AND IMPACT RESISTANCE, HOT PRESS FORMED PARTS, AND MANUFACTURING METHODS THEREOF

#128
20240401166
2024-12-05

ULTRAHIGH-STRENGTH STEEL SHEET HAVING EXCELLENT YIELD RATIO, AND MANUFACTURING METHOD THEREFOR

#129
20240392407
2024-11-28

HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND LOW MECHANICAL PROPERTY DEVIATION AND MANUFACTURING METHOD OF SAME

#130
20240392404
2024-11-28

ULTRA-HIGH STRENGTH SPRING STEEL AND PREPARATION METHOD THEREOF

#131
20240392401
2024-11-28

STEEL MATERIAL FOR SLIDING PART AND METHOD OF MANUFACTURING STEEL MATERIAL FOR SLIDING PART

#132
20240384381
2024-11-21

HOT-ROLLED STEEL SHEET

#133
20240384366
2024-11-21

HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND LOW MATERIAL VARIATION, AND METHOD FOR MANUFACTURING SAME

#134
20240384365
2024-11-21

SECTION STEEL AND METHOD FOR MANUFACTURING SAME

#135
20240383025
2024-11-21

FORGED STEEL ROLL FOR COLD ROLLING

#136
20240376580
2024-11-14

STEEL SHEET FOR HOT STAMPING AND HOT STAMPED PRODUCT

#137
20240376579
2024-11-14

FERRITIC STAINLESS STEEL SHEET, AND METHOD FOR PRODUCING FERRITIC STAINLESS STEEL SHEET

#138
20240376562
2024-11-14

HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#139
20240368724
2024-11-07

ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT WELDABILITY, AND MANUFACTURING METHOD THEREFOR

#140
20240368718
2024-11-07

HEAT- TREATED STEEL AND HEAT TREATMENT METHOD FOR STEEL

#141
20240352573
2024-10-24

SURFACE PREPARATION FOR JVD

#142
20240352565
2024-10-24

OUTER PLATE COMPONENT FOR AUTOMOBILE, BLANK SHEET, MANUFACTURING METHOD FOR BLANK SHEET, AND MANUFACTURING FACILITY FOR BLANK SHEET

#143
20240352552
2024-10-24

STEEL SHEET AND METHOD OF PRODUCING SAME

#144
20240344187
2024-10-17

HOT-ROLLED STEEL PLATE AND STEEL TUBE HAVING EXCELLENT ABRASION RESISTANCE, AND MANUFACTURING METHOD THEREOF

#145
20240344186
2024-10-17

STEEL WIRE FOR SPRINGS

#146
20240344171
2024-10-17

METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROCHROME FROM CHROMITE ORE AND LOW CARBON FERROCHROME PRODUCED THEREBY

#147
20240344166
2024-10-17

Method for the fabrication of a resistance spot weld

#148
20240344164
2024-10-17

ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND ELECTRICAL RESISTANCE SPOT WELDABILITY AND MANUFACTURING METHOD THEREOF

#149
20240337000
2024-10-10

Method for Producing a Cold-Rolled Flat Steel Product Having a Bainitic Basic Structure and Cold-Rolled Flat Steel Product Having a Bainitic Basic Structure

#150
20240318276
2024-09-26

COLD FORGED GEAR STEEL AND MANUFACTURING METHOD THEREOF

#151
20240309483
2024-09-19

HIGH STRENGTH GALVANIZED AND GALVANNEALED STEEL SHEETS AND MANUFACTURING METHOD

#152
20240309482
2024-09-19

COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF

#153
20240309481
2024-09-19

HOT-ROLLED STEEL PLATE FOR LOW-COST HIGH TEMPERATURE ENAMELING, AND MANUFACTURING METHOD THEEFOR

#154
20240301537
2024-09-12

HOT-ROLLED STEEL SHEET

#155
20240301530
2024-09-12

METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROALLOY FROM CHROMITE ORE

#156
20240301526
2024-09-12

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PROPERTY, HOT PRESS FORMED PART, AND MANUFACTURING METHOD THEREOF

#157
20240301525
2024-09-12

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

#158
20240295003
2024-09-05

HOT PRESS FORMING MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN EMBRITTLEMENT, AND METHOD FOR MANUFACTURING SAME

#159
20240295002
2024-09-05

ZINC PLATED STEEL SHEET HAVING EXCELLENT FATIGUE STRENGTH OF ELECTRICAL RESISTANCE SPOT WELDS, AND MANUFACTURING METHOD THEREOF

#160
20240290523
2024-08-29

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

#161
20240287663
2024-08-29

HIGH STRENGTH STEEL SHEET

#162
20240287639
2024-08-29

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT HOLE EXPANDABILITY AND DUCTILITY AND MANUFACTURING METHOD THEREFOR

#163
20240287637
2024-08-29

HIGH STRENGTH STEEL SHEET, HIGH STRENGTH COATED OR PLATED STEEL SHEET, METHODS OF PRODUCING SAME, AND MEMBER

#164
20240282491
2024-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#165
20240279763
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METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

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STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING STEEL SHEET, AND METHOD FOR PRODUCING MEMBER

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HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET AND MANUFACTURING METHOD

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HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH COATED OR PLATED STEEL SHEET, METHOD OF PRODUCING HIGH-STRENGTH COLD-ROLLED STEEL SHEET, AND METHOD OF PRODUCING HIGH-STRENGTH COATED OR PLATED STEEL SHEET

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