ClassID:

118981

C21D6/004 - CPC Classification

Classification description:

Heat treatment of ferrous alloys containing Cr and Ni

Recent Application in this class:
#1
20260146311
2026-05-28

STEEL PLATE AND METHOD FOR MANUFACTURING SAME

#2
20260145278
2026-05-28

SULFUR-RESISTANT AND CORROSION-RESISTANT LOW-CARBON ALLOY-BASED COILED TUBING AND PREPARATION METHOD THEREOF

#3
20260132493
2026-05-14

PLATED STEEL SHEET

#4
20260125785
2026-05-07

AUSTENITIC STAINLESS STEEL HAVING EXCELLENT LOW-TEMPERATURE IMPACT TOUGHNESS AND METHOD FOR MANUFACTURING SAME

#5
20260117335
2026-04-30

Drill String Component With High Corrosion Resistance, And Method For The Production Of Same

#6
20260110070
2026-04-23

NON-ORIENTED ELECTRICAL STEEL SHEET, CORE, AND ROTARY ELECTRIC MACHINE

#7
20260110045
2026-04-23

460MPA-GRADE CORROSION RESISTANT STEEL PLATE AND PRODUCTION METHOD THEREFOR

#8
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

#9
20260092348
2026-04-02

Crack-containing hot-stamped steel part with a thin coating with excellent spot-weldability and excellent painting adhesion

#10
20260092347
2026-04-02

CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EXCELLENT SPOT-WELDABILITY AND EXCELLENT PAINTING ADHESION

#11
20260092346
2026-04-02

HIGH STRENGTH HOT ROLLED STEEL SHEET

#12
20260085372
2026-03-26

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

#13
20260078462
2026-03-19

STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME

#14
20260071312
2026-03-12

CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EXCELLENT SPOT-WELDABILITY AND EXCELLENT PAINTING ADHESION

#15
20260062782
2026-03-05

STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#16
20260062781
2026-03-05

HIGH-STRENGTH OIL CASING RESISTANT TO CO2 AND MICROBIAL CORROSION AND MANUFACTURING METHOD THEREFOR

#17
20260055479
2026-02-26

HIGH STRENGTH STEEL PLATE AND MANUFACTURING METHOD THEREFOR

#18
20260051427
2026-02-19

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

#19
20260049384
2026-02-19

METAL PARTS WITH LOW COEFFICIENT OF THERMAL EXPANSION AND HIGH MECHANICAL STRENGTH

#20
20260049371
2026-02-19

Steel having improved processing properties for working at elevated temperatures

#21
20260043106
2026-02-12

WIRE ROD AND STEEL WIRE FOR SPRINGS HAVING EXCELLENT CORROSION FATIGUE RESISTANCE PROPERTIES, AND METHOD FOR PRODUCING SAME

#22
20260043104
2026-02-12

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION-RESISTANCE AND SPOT-WELDABILITY, HOT-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME

#23
20260035762
2026-02-05

ANNEALING FACILITY, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET

#24
20260028708
2026-01-29

AUSTENITIC STAINLESS ALLOY WITH SUPERIOR CORROSION RESISTANCE

#25
20260015684
2026-01-15

METHOD OF MANUFACTURING A STAINLESS STEEL SHEET

#26
20260009098
2026-01-08

Steel Composition for Expandable Tubular Articles, Expandable Tubular Article Having This Steel Composition, Manufacturing Method Thereof and Use Thereof

#27
20260009097
2026-01-08

MODELING AND MANUFACTURING METHOD FOR REVERSIBLE PLOW POINT WITH CHARACTERISTICS OF LOW RESISTANCE AND BEING STRONG INSIDE AND HARD OUTSIDE

#28
20260002242
2026-01-01

AUSTENITIC/FERRITIC DUAL-PHASE STAINLESS STEEL SHEET FOR FUEL CELL SEPARATOR

#29
20250389004
2025-12-25

STEEL PLATE FOR HOT STAMPING

#30
20250382689
2025-12-18

STAINLESS STEEL SEAMLESS PIPE AND PRODUCTION METHOD THEREFOR

#31
20250382680
2025-12-18

Steel part having high strength and high bendability

#32
20250376747
2025-12-11

EXTREMELY THICK STEEL MATERIAL FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD FOR SAME

#33
20250376739
2025-12-11

HIGH HOLE EXPANSION STEEL AND METHOD FOR MANUFACTURING THEREFOR

#34
20250369080
2025-12-04

METHOD OF FORMING LOW-CARBON, HIGH TOUGHNESS, STEEL PLATES FOR RAILROAD TANK CARS

#35
20250369066
2025-12-04

HIGH-PLASTICITY STEEL AND MANUFACTURING METHOD THEREFOR

#36
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

#37
20250364165
2025-11-27

SOFT MAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME

#38
20250361589
2025-11-27

HIGH-STRENGTH HOT-ROLLED STRIP STEEL WITH HIGH WEATHER RESISTANCE AND MANUFACTURING METHOD THEREFOR

#39
20250361575
2025-11-27

SOFT MAGNETIC ALLOY AND METHOD FOR PRODUCING SOFT MAGNETIC ALLOY

#40
20250354228
2025-11-20

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

#41
20250340963
2025-11-06

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

#42
20250340962
2025-11-06

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

#43
20250333812
2025-10-30

AUSTENITE STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR

#44
20250327188
2025-10-23

COMPOSITIONS AND METHODS FOR CORROSION-RESISTANT FERRITIC STAINLESS STEEL

#45
20250327160
2025-10-23

DUPLEX STAINLESS STEEL MATERIAL

#46
20250327159
2025-10-23

AUSTENITIC STAINLESS ALLOY MATERIAL

#47
20250327158
2025-10-23

MARTENSITIC STAINLESS STEEL MATERIAL

#48
20250320574
2025-10-16

PREPARATION METHOD FOR WELDED AND EXTENDED SUPER DUPLEX STAINLESS STEEL SEAMLESS PIPE COIL FOR DEEP-SEA UMBILICAL CABLE

#49
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

#50
20250313913
2025-10-09

FERRITIC STAINLESS STEEL AND PRODUCTION METHOD THEREFOR

#51
20250305082
2025-10-02

NON-QUENCHED AND TEMPERED STEEL WIRE WITH EXCELLENT COLD FORGING PROPERTY AND MANUFACTURING METHOD THEREFOR

#52
20250305080
2025-10-02

PRE-COATED STEEL SHEET

#53
20250305079
2025-10-02

STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RIMFIRE CARTRIDGES

#54
20250305077
2025-10-02

ULTRA-LARGE LINEAR ENERGY WELDING STEEL AND PREPARATION METHOD THEREFOR

#55
20250290182
2025-09-18

MARTENSITIC STAINLESS ALLOY

#56
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

#57
20250271053
2025-08-28

METHOD OF MAKING AN INTERAXLE DIFFERENTIAL UNIT AND AN ANNULAR CASE

#58
20250269476
2025-08-28

WELDING WIRE FOR GAS SHIELDED ARC WELDING, AND STEEL WIRE ROD OF WELDING WIRE FOR GAS SHIELDED ARC WELDING AND PRODUCTION METHOD THEREFOR

#59
20250257418
2025-08-14

FATIGUE-RESISTANT LOAD-BEARING STEEL FOR WIND TURBINE MAIN SHAFT, AND MANUFACTURING METHOD AND USE THEREOF

#60
20250250661
2025-08-07

GEAR

#61
20250250652
2025-08-07

STEEL PLATE AND METHOD FOR PRODUCING THE SAME

#62
20250243555
2025-07-31

STEEL PLATE HAVING HIGH STRENGTH AND EXCELLENT IMPACT TOUGHNESS AFTER DEFORMATION, AND METHOD FOR MANUFACTURING SAME

#63
20250236956
2025-07-24

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

#64
20250215546
2025-07-03

MARTENSITIC STAINLESS STEEL MATERIAL

#65
20250215544
2025-07-03

STEEL MATERIAL

#66
20250215519
2025-07-03

HOT-STAMPED COMPONENT HAVING HIGH COLD-BENDING PERFORMANCE AND HIGH STRENGTH, AND MANUFACTURING METHOD THEREFOR

#67
20250207216
2025-06-26

TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX

#68
20250197981
2025-06-19

HOT ROLLED STEEL SHEET HAVING EXCELLENT COLD BENDABILITY AFTER HEATING AND QUENCHING-TEMPERING HEAT TREATMENT, STEEL PIPE, MEMBER AND MANUFACTURING METHODS THEREFOR

#69
20250179601
2025-06-05

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#70
20250171871
2025-05-29

High Strength, Cold Rolled Steel With Reduced Sensitivity to Hydrogen Embrittlement and Method for the Manufacture Thereof

#71
20250171870
2025-05-29

HIGH-Ni ALLOY THICK STEEL PLATE HAVING EXCELLENT WELD HIGH-TEMPERATURE CRACKING RESISTANCE, AND METHOD FOR PRODUCING SAME

#72
20250163555
2025-05-22

STEEL PLATE FOR HIGH HEAT INPUT WELDING AND MANUFACTURING METHOD THEREFOR

#73
20250154634
2025-05-15

STAINLESS STEEL FORMULATION FOR PUMP COMPONENTS

#74
20250154617
2025-05-15

STEEL PLATE FOR ADVANCED NUCLEAR POWER UNIT REACTOR CORE SHELL CYLINDER AND MANUFACTURING METHOD FOR STEEL PLATE

#75
20250149215
2025-05-08

PARAMAGNETIC HARD STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

#76
20250146098
2025-05-08

AUSTENITIC STAINLESS STEEL AND METHOD OF MANUFACTURING AUSTENITIC STAINLESS STEEL

#77
20250146097
2025-05-08

HIGH-STRENGTH HOT DIP-COATED STEEL STRIP WITH PLASTICITY BROUGHT ABOUT BY MICROSTRUCTURAL TRANSFORMATION AND METHOD FOR PRODUCTION THEREOF

#78
20250137087
2025-05-01

ULTRA-HIGH-STRENGTH STAINLESS STEEL AND MANUFACTURING METHOD

#79
20250137085
2025-05-01

ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT HOLE-EXPANDABILITY AND METHOD FOR MANUFACTURING SAME

#80
20250137084
2025-05-01

HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#81
20250129446
2025-04-24

ULTRA-HIGH-STRENGTH REINFORCING BAR AND MANUFACTURING METHOD THEREOF

#82
20250118468
2025-04-10

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#83
20250109467
2025-04-03

HOT-ROLLED STEEL SHEET

#84
20250109465
2025-04-03

ULTRA-FINE GRAINED STEELS HAVING CORROSION-FATIGUE RESISTANCE

#85
20250101542
2025-03-27

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME

#86
20250101541
2025-03-27

METHOD OF PRODUCING HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD OF PRODUCING NON-ORIENTED ELECTRICAL STEEL SHEET, AND HOT-ROLLED STEEL SHEET FOR NON-ORIENTED ELECTRICAL STEEL SHEET

#87
20250084518
2025-03-13

HOT STAMPED BODY

#88
20250084498
2025-03-13

PRECIPITATION-HARDENING-TYPE AUSTENITIC ALLOY STEEL MATERIAL AND METHOD FOR MANUFACTURING SAME, AND PRECIPITATION-HARDENING-TYPE AUSTENITIC ALLOY HEAT-TREATED STEEL MATERIAL AND METHOD FOR MANUFACTURING SAME

#89
20250075302
2025-03-06

STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR, AND STAINLESS STEEL PRODUCT AND MANUFACTURING METHOD THEREFOR

#90
20250075301
2025-03-06

SURFACE-TREATED TOOL STEEL FOR DIE CASTING OF METAL

#91
20250075283
2025-03-06

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#92
20250075282
2025-03-06

PRESS HARDENING STEEL (PHS) WELDED BLANKS WITH ENHANCED TOUGHNESS

#93
20250066893
2025-02-27

AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAINLESS STEEL

#94
20250066890
2025-02-27

OZONE CORROSION RESISTANT HIGH-STRENGTH TUBE AND MANUFACTURING METHOD THEREFOR

#95
20250066869
2025-02-27

AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAINLESS STEEL

#96
20250059617
2025-02-20

HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MATERIAL FOR THE PRODUCTION OF THE HEAVY PLATE

#97
20250059615
2025-02-20

FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD THEREFOR

#98
20250051874
2025-02-13

FERRITIC FREE-CUTTING STAINLESS STEEL

#99
20250026939
2025-01-23

SINTERABLE METAL PASTE FOR USE IN ADDITIVE MANUFACTURING

#100
20250022639
2025-01-16

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

#101
20250019812
2025-01-16

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#102
20250019786
2025-01-16

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

#103
20250011892
2025-01-09

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

#104
20250011891
2025-01-09

HIGH-STRENGTH STEEL WITH GOOD WEATHER RESISTANCE AND MANUFACTURING METHOD THEREFOR

#105
20250010434
2025-01-09

STEEL, PROCESSING METHOD THEREOF AND SCREWDRIVER BIT

#106
20250003046
2025-01-02

CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EXCELLENTSPOT-WELDABILITY AND EXCELLENT PAINTING ADHESION

#107
20250003045
2025-01-02

CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EXCELLENT SPOT-WELDABILITY AND EXCELLENT PAINTING ADHESION

#108
20250003042
2025-01-02

HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS

#109
20250003041
2025-01-02

AUSTENITE STAINLESS STEEL SHEET, METHOD FOR PRODUCING SAME, AND SHEET SPRING

#110
20240425960
2024-12-26

STEEL SHEET AND PRESS-FORMED ARTICLE

#111
20240417834
2024-12-19

FERRITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR

#112
20240417819
2024-12-19

TRACK LINK PRODUCTION METHOD

#113
20240410499
2024-12-12

HIGH-STRENGTH STAINLESS SEAMLESS STEEL PIPE FOR OIL WELLS AND METHOD FOR PRODUCING THE SAME

#114
20240410040
2024-12-12

AUSTENITE ALLOY, BLANK AND COMPONENT, AND METHOD

#115
20240410030
2024-12-12

ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND LOW TEMPERATURE IMPACT TOUGHNESS, AND MANUFACTURING METHOD THEREFOR

#116
20240401178
2024-12-05

MARTENSITIC STAINLESS STEEL ROUND BAR

#117
20240401165
2024-12-05

HOT-ROLLED FERRITIC STAINLESS STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING SAME

#118
20240383025
2024-11-21

FORGED STEEL ROLL FOR COLD ROLLING

#119
20240376561
2024-11-14

PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL HAVING EXCELLENT WELDABILITY, AND METHOD FOR PRODUCING THE SAME

#120
20240368722
2024-11-07

STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME

#121
20240360534
2024-10-31

METHOD FOR PRODUCING HIGH-STRENGTH TINPLATE AND TINPLATE PRODUCED THEREWITH

#122
20240352565
2024-10-24

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

#123
20240352551
2024-10-24

COLD ROLLED STEEL SHEET HAVING EXCELLENT WELDABILITY, STRENGTH, AND FORMABILITY, AND METHOD FOR MANUFACTURING SAME

#124
20240336989
2024-10-10

AUSTENITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

#125
20240327965
2024-10-03

STEEL SHEET AND METHOD FOR PRODUCING SAME

#126
20240327941
2024-10-03

ALLOY, RAW WORKPIECE, COMPONENT CONSISTING OF AUSTENITE, AND METHOD FOR HEAT-TREATING AN AUSTENITE

#127
20240318690
2024-09-26

COMPONENT FOR A ROLLING BEARING AND CORRESPONDING METHOD FOR PRODUCING THE COMPONENT

#128
20240318289
2024-09-26

HEAT-RESISTANT FERRITIC STEEL

#129
20240318273
2024-09-26

HIGH-TOUGHNESS ULTRAHIGH-STRENGTH STEEL AND MANUFACTURING METHOD THEREOF

#130
20240309500
2024-09-19

AUSTENITIC STAINLESS STEEL WITH IMPROVED CORROSION RESISTANCE AND MACHINABILITY AND MANUFACTURING METHOD OF THE SAME

#131
20240309480
2024-09-19

DUPLEX STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

#132
20240301528
2024-09-12

Method for producing a steel part and steel part

#133
20240301527
2024-09-12

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION-RESISTANCE AND SPOT-WELDABILITY, HOT-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME

#134
20240295001
2024-09-05

ULTRA-THICK STEEL SHEET WITH EXCELLENT STRENGTH AND LOW-TEMPERATURE IMPACT TOUGHNESS AND MANUFACTURING METHOD THEREOF

#135
20240287663
2024-08-29

HIGH STRENGTH STEEL SHEET

#136
20240282491
2024-08-22

METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#137
20240279764
2024-08-22

MARTENSITIC STAINLESS STEEL FOR HYDROGEN GAS ENVIRONMENT AND MANUFACTURING METHOD THEREFOR

#138
20240279763
2024-08-22

METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLING MILL FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#139
20240271262
2024-08-15

STEEL MATERIAL

#140
20240271242
2024-08-15

AUSTENITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREOF

#141
20240271240
2024-08-15

MARTENSITIC STAINLESS STEEL WITH IMPROVED STRENGTH AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR

#142
20240271237
2024-08-15

ULTRA-HIGH STRENGTH ALLOY

#143
20240254609
2024-08-01

AUSTENITIC STAINLESS STEEL AND TUBE

#144
20240254586
2024-08-01

METHOD FOR PRODUCING HIGH-STRENGTH STEEL PARTS WITH IMPROVED DUCTILITY, AND PARTS OBTAINED BY SAID METHOD

#145
20240254581
2024-08-01

HETEROSTRUCTURED ANTIMICROBIAL STAINLESS STEEL AND METHOD FOR SYNTHESIZING THE SAME

#146
20240247463
2024-07-25

LIP FOR EXCAVATING BUCKET

#147
20240247350
2024-07-25

SEAMLESS STEEL TUBE RESISTANT TO CARBON DIOXIDE CORROSION AND MANUFACTURING METHOD THEREFOR

#148
20240247332
2024-07-25

HIGH-STRENGTH HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING HIGH-STRENGTH HOT-ROLLED STEEL SHEET

#149
20240247331
2024-07-25

AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN GAS OR LIQUID HYDROGEN, AND MANUFACTURING METHOD THEREFOR

#150
20240233992
2024-07-11

METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#151
20240229212
2024-07-11

HOT DIP GALVANNEALED STEEL SHEET

#152
20240229204
2024-07-11

HOT-STAMP FORMED BODY

#153
20240229182
2024-07-11

HOT DIP GALVANIZED ULTRA-HIGH STRENGTH STEEL SHEETS WITH HIGH FLATNESS

#154
20240229179
2024-07-11

Method For Producing Hardened Steel Sheet Components

#155
20240218478
2024-07-04

Gradient-structured ultra-fine bainitic low-alloy rail steel and preparation method thereof

#156
20240218476
2024-07-04

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

#157
20240218475
2024-07-04

METHOD FOR MANUFACTURING A HIGH STRENGTH STEEL PLATE AND HIGH STRENGTH STEEL PLATE

#158
20240209469
2024-06-27

STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR

#159
20240209468
2024-06-27

MARTENSITIC STAINLESS STEEL MATERIAL FOR HYDROGEN GAS ENVIRONMENT AND MANUFACTURING METHOD THEREFOR

#160
20240200161
2024-06-20

HEAT-RESISTANT STEEL FOR STEEL PIPES AND CASTINGS

#161
20240191331
2024-06-13

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME

#162
20240182994
2024-06-06

METHOD FOR MANUFACTURING REFERENCE PIECE FOR MEASURING RETAINED AUSTENITE

#163
20240167113
2024-05-23

STEEL PLATE, METHOD FOR PRODUCING STEEL PLATE, AND METHOD FOR PRODUCING INTERMEDIATE STEEL PLATE

#164
20240158882
2024-05-16

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#165
20240158880
2024-05-16

MICRO-MOLYBDENUM-TYPE WEATHERING BRIDGE STEEL PLATE AND PREPARATION METHOD THEREOF

#166
20240158878
2024-05-16

STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RIMFIRE CARTRIDGES

#167
20240153683
2024-05-09

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

#168
20240150971
2024-05-09

Frog for switches and crossings

#169
20240150881
2024-05-09

FERRITIC FREE-CUTTING STAINLESS STEEL MATERIAL

#170
20240150863
2024-05-09

STEEL SHEET AND METHOD OF PRODUCTION OF SAME

#171
20240150861
2024-05-09

COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTURING SAME

#172
20240141467
2024-05-02

STEEL SHEET AND WELDED JOINT

#173
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DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF

#174
20240141455
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Flat Steel Product, Method for the Production Thereof, and Use of Such a Flat Steel Product

#175
20240136095
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METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET

#176
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HOT-STAMP FORMED BODY

#177
20240110267
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HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE STRAIN AGAIN IMPACT PROPERTIES AND METHOD FOR MANUFACTURING SAME

#178
20240110257
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GALVANNEALED STEEL SHEET

#179
20240110255
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Extra thick hot rolled h section steel and production method therefor

#180
20240105369
2024-03-28

GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME

#181
20240102122
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NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME

#182
20240093325
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OIL RING WIRE

#183
20240093323
2024-03-21

STEEL COMPOSITION, WROUGHT ARTICLE AND MANUFACTURING METHOD OF A SEAMLESS PRESSURE VESSEL FOR COMPRESSED GAS

#184
20240084427
2024-03-14

STEEL SHEET

#185
20240077123
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Valve spring

#186
20240068064
2024-02-29

400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF

#187
20240060151
2024-02-22

STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND ANTIBACTERIAL AND ANTIVIRAL MEMBER

#188
20240035135
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DUPLEX STAINLESS STEEL AND USE THEREOF

#189
20240035110
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Method for manufacturing a low-carbon nitrogen-containing austenitic stainless steel bar

#190
20240035107
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Highly thick steel material having excellent low-temperature impact toughness and manufacturing method therefor

#191
20240035106
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HIGH STRENGTH THIN STEEL MATERIAL FOR API HAVING EXCELLENT RESISTANCE TO DEFORMATION AND METHOD OF MANUFACTURING SAME

#192
20240026999
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ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR MANUFACTURING THE SAME

#193
20240026972
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OIL RING WIRE

#194
20240026509
2024-01-25

HIGH MOLYBDENUM DUPLEX STAINLESS STEEL

#195
20240026478
2024-01-25

EXTREMELY THICK STEEL PLATE FOR STEAM DRUM HAVING EXCELLENT SURFACE QUALITY AND LAMELLAR TEAR RESISTANCE, AND MANUFACTURING METHOD FOR SAME

#196
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HIGH-STRENGTH AUSTENITIC STAINLESS STEEL WITH IMPROVED LOW-TEMPERATURE TOUGHNESS IN HYDROGEN ENVIRONMENT

#197
20240011137
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STAINLESS STEEL BAR MATERIAL AND ELECTROMAGNETIC COMPONENT

#198
20240011121
2024-01-11

PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED SILICON STEEL

#199
20240002970
2024-01-04

STEEL PLATE FOR PRESSURE VESSEL WITH EXCELLENT CRYOGENIC TOUGHNESS, AND METHOD OF MANUFACTURING SAME

#200
20240002966
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STEEL FOR RAILS AND A METHOD OF MANUFACTURING OF A RAIL THEREOF

#201
20230416887
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STAINLESS STEEL ALLOYS, TURBOCHARGER COMPONENTS FORMED FROM THE STAINLESS STEEL ALLOYS, AND METHODS FOR MANUFACTURING THE SAME

#202
20230416863
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Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#203
20230416856
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STEEL SHEET FOR GAS SOFT NITRIDING

#204
20230407433
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WIRE ROD AND STEEL WIRE FOR SPRINGS HAVING EXCELLENT CORROSION FATIGUE RESISTANCE PROPERTIES, AND METHOD FOR PRODUCING SAME

#205
20230407428
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Steel

#206
20230399712
2023-12-14

Steel sheet and method for producing same

#207
20230392244
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Steel wire

#208
20230392241
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MARTENSITIC STAINLESS STEEL MATERIAL

#209
20230366071
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MARTENSITIC STAINLESS STEEL MATERIAL

#210
20230357908
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HOT-ROLLED STEEL SHEET

#211
20230357883
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DEHYDROGENATION APPARATUS, STEEL SHEET PRODUCTION SYSTEM, AND STEEL SHEET PRODUCTION METHOD

#212
20230357882
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GPA-GRADE BAINITE STEEL HAVING ULTRA-HIGH YIELD RATIO AND MANUFACTURING METHOD FOR GPA-GRADE BAINITE STEEL

#213
20230357879
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HIGHLY CORROSION-RESISTANT AUSTENITE STAINLESS STEEL AND METHOD FOR PRODUCING THE SAME

#214
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Method for Producing Conventionally Hot-Rolled Strip Products

#215
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Method of Manufacturing High Strength Steel Tubing from a Steel Composition and Components Thereof

#216
20230349022
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Steel sheet

#217
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PROBE FOR ULTRASONIC TREATMENT TOOL, METHOD FOR PRODUCING SAME, AND ULTRASONIC TREATMENT TOOL

#218
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#219
20230340631
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STEEL FOR LEAF SPRINGS OF AUTOMOBILES AND A METHOD OF MANUFACTURING OF A LEAF THEREOF

#220
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HIGH-GRADE NON-ORIENTED SILICON STEEL AND PRODUCTION METHOD THEREOF

#221
20230323502
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980 MPA-GRADE FULL-BAINITE ULTRA-HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#222
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780 MPA-GRADE ULTRA-HIGH REAMING STEEL HAVING HIGH SURFACE QUALITY AND HIGH PERFORMANCE STABILITY, AND MANUFACTURING METHOD THEREFOR

#223
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FORGED PART OF STEEL AND A METHOD OF MANUFACTURING THEREOF

#224
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980 MPA-GRADE BAINITE HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#225
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HIGH-STRENGTH LOW-CARBON MARTENSITIC HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#226
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980 MPA-GRADE ULTRA-LOW-CARBON MARTENSITE AND RETAINED AUSTENITE ULTRA-HIGH HOLE EXPANSION STEEL AND MANUFACTURING METHOD THEREFOR

#227
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Method for Preparing Stainless Steel Seamless Tube with Ultra-High Cleanliness for Integrated Circuit and IC Industry Preparation Device, and Stainless Steel Seamless Tube

#228
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Damper spring

#229
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METHODS FOR JOINING TWO BLANKS AND BLANKS AND PRODUCTS OBTAINED

#230
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AUSTENITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREOF

#231
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PARAMAGNETIC HARD STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

#232
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Welding base metal for recycling railway wheel and method for recycling railway wheel using the same

#233
20230272497
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Ultra-high strength maraging stainless steel with salt-water corrosion resistance

#234
20230272496
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AUSTENITIC STAINLESS CAST STEEL AND METHOD FOR PRODUCING AUSTENITIC STAINLESS CAST STEEL

#235
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METHOD OF PRODUCING FERRITIC STAINLESS STEEL SHEET

#236
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Hot rolled steel sheet

#237
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2023-08-24

Nickel-based superalloy steel and preparation method thereof

#238
20230265535
2023-08-24

Steel for a mold and mold

#239
20230243011
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CORROSION PITTING RESISTANT MARTENSITIC STAINLESS STEEL AND METHOD FOR MAKING SAME

#240
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STEEL FOR MINING CHAIN AND MANUFACTURING METHOD THEREOF

#241
20230235425
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High strength steel product and method of manufacturing the same

#242
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Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

#243
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Corrosion pitting resistant martensitic stainless steel and method for making same

#244
20230220511
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ADDITIVE MANUFACTURING WIRE, ADDITIVELY-MANUFACTURED OBJECT, AND ADDITIVE MANUFACTURING METHOD

#245
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METHOD FOR PRODUCING AUSTENITIC HEAT RESISTANT STEEL

#246
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DUPLEX STAINLESS STEEL SEAMLESS PIPE

#247
20230212705
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STAINLESS STEEL SHEET AND METHOD OF MANUFACTURING SAME, EDGED TOOL, AND CUTLERY

#248
20230211398
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Rotary mold extrusion molding process of screw pump rotor

#249
20230203629
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AUSTENITIC HEAT RESISTANT STEEL

#250
20230203615
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STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME

#251
20230203614
2023-06-29

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#252
20230193439
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Articles fabricated from cold-worked and case- hardened essentially co-free stainless steel alloys and methods of fabrication thereof

#253
20230193437
2023-06-22

STAINLESS STEEL

#254
20230193415
2023-06-22

STEEL SHEET AND METHOD FOR MANUFACTURING STEEL SHEET

#255
20230193414
2023-06-22

STEEL AND STEEL COMPONENT

#256
20230183829
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ALLOY PIPE AND METHOD FOR PRODUCING SAME

#257
20230175108
2023-06-08

HIGH-STRENGTH AUSTENITIC STAINLESS STEEL WITH EXCELLENT PRODUCTIVITY AND COST REDUCTION EFFECT AND METHOD FOR PRODUCING SAME

#258
20230175091
2023-06-08

ABRASION-RESISTANT STEEL PLATE AND METHOD OF PRODUCING ABRASION-RESISTANT STEEL PLATE

#259
20230167522
2023-06-01

High Strength, High-Temperature Corrosion Resistant Martensitic Stainless Steel and Manufacturing Method Therefor

#260
20230166318
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Metal gasket and production method therefor

#261
20230160031
2023-05-25

Martensitic wear resistant alloy strengthened through aluminum nitrides

#262
20230158774
2023-05-25

Hot-dip coated steel sheet

#263
20230146009
2023-05-11

Molded Parts for Low Temperature Applications, Especially for Liquid Hydrogen

#264
20230143965
2023-05-11

ALLOY MATERIAL AND METHOD FOR PRODUCING SAME

#265
20230141152
2023-05-11

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

#266
20230140215
2023-05-04

METHODS TO IMPROVE THE TOUGHNESS OF PRESS HARDENING STEEL

#267
20230127592
2023-04-27

Steel material and method for producing same

#268
20230118113
2023-04-20

STEEL

#269
20230114417
2023-04-13

STEEL FOR GLASS LINING AND PRODUCTION METHOD THEREFOR

#270
20230111725
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Component with tailored mechanical and corrosion properties

#271
20230107887
2023-04-06

STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR GOODS AND METHOD FOR MANUFACTURING THE SAME

#272
20230099300
2023-03-30

STEEL FOR HOT WORKING DIE, DIE FOR HOT WORKING, AND MANUFACTURING METHOD FOR SAME

#273
20230097339
2023-03-30

STAINLESS STEEL PIPE AND METHOD FOR MANUFACTURING SAME

#274
20230090789
2023-03-23

STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME

#275
20230087014
2023-03-23

STEEL SHEET

#276
20230085558
2023-03-16

ROD-SHAPED ELECTROMAGNETIC STAINLESS STEEL MATERIAL

#277
20230085279
2023-03-16

STEEL WIRE

#278
20230072654
2023-03-09

Ultrahigh-strength maraging stainless steel with multiphase strengthening and preparation method thereof

#279
20230071853
2023-03-09

GRAIN ORIENTED ELECTRICAL STEEL SHEET

#280
20230063455
2023-03-02

3D PRINTABLE HARD FERROUS METALLIC ALLOYS FOR POWDER BED FUSION

#281
20230059951
2023-02-23

STEEL SHEET AND MANUFACTURING METHOD THEREOF

#282
20230059069
2023-02-23

High strength stainless steel material

#283
20230057985
2023-02-23

Thermally configurable structural elements especially useful for aircraft components

#284
20230055650
2023-02-23

High-strength seamless steel pipe and method for manufacturing same

#285
20230037455
2023-02-09

FREE GRAPHITE CONTAINING POWDERS

#286
20230026210
2023-01-26

STEEL MATERIAL HAVING EXCELLENT SULFIDE STRESS CORROSION CRACKING RESISTANCE AND METHOD OF MANUFACTURING SAME

#287
20230024943
2023-01-26

STEEL MATERIAL FOR VACUUM TUBE AND METHOD OF MANUFACTURING SAME

#288
20230023692
2023-01-26

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

#289
20230021153
2023-01-19

Non-oriented electrical steel sheet and method for manufacturing same

#290
20230019292
2023-01-19

Method for producing high-strength steel parts with improved ductility, and parts obtained by said method

#291
20230012944
2023-01-19

Hot-Work Die Steel Electroslag Remelted Ingot and Manufacturing Method Thereof

#292
20230012077
2023-01-12

Apparatus, compositions, and methods for stainless-coated steel reinforcement bar

#293
20230011175
2023-01-12

SYSTEMS AND METHODS FOR CORROSION RESISTANT STAINLESS STEEL COATINGS

#294
20230009856
2023-01-12

INTEGRATED HIGH THROUGHPUT COLD SPRAY COATING MANUFACTURING SYSTEM

#295
20230002844
2023-01-05

PROCESS FOR PRODUCING AN AT LEAST PARTLY QUENCHED AND TEMPERED SHEET STEEL COMPONENT AND AT LEAST PARTLY QUENCHED AND TEMPERED SHEET STEEL COMPONENT

#296
20220411907
2022-12-29

690 MPA-GRADE MEDIUM MANGANESE STEEL MEDIUM THICK STEEL WITH HIGH STRENGTH AND LOW YIELD RATIO AND MANUFACTURING METHOD THEREFOR

#297
20220411890
2022-12-29

Seamless steel pipe having desirable sulfuric acid dew-point corrosion resistance, and method for manufacturing same

#298
20220396848
2022-12-15

Non-oriented electrical steel sheet and manufacturing method therefore

#299
20220389555
2022-12-08

Ferritic stainless steel sheet

#300
20220389533
2022-12-08

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same