ClassID:

118995

C21D7/13 - page 2 - CPC Classification

Classification description:

Modifying the physical properties of iron or steel by deformation by hot working

Recent Application in this class:
#301
20090235715
2009-09-24

Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method

#302
20090229417
2009-09-17

Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels

#303
20090211669
2009-08-27

Method for producing quenched components consisting of sheet steel

#304
20090152256
2009-06-18

METHOD FOR MANUFACTURING A STAMPED/HEATED PART FROM A STEEL SHEET PLATED WITH ALUMINUM ALLOY

#305
20090151821
2009-06-18

Method and Device Adjusting Targeted Combinations of Properties of Polyphase Steel

#306
20090129967
2009-05-21

FORGED AUSTENITIC STAINLESS STEEL ALLOY COMPONENTS AND METHOD THEREFOR

#307
20090127232
2009-05-21

Weld electrode for attractive weld appearance

#308
20090126451
2009-05-21

Hot forging facility

#309
20090107587
2009-04-30

Tool steels and manufacturing method thereof

#310
20090095383
2009-04-16

Fine grain surface layer steel part and method of production of same

#311
20090056404
2009-03-05

Transformable metal surface hardening method

#312
20090044590
2009-02-19

Single point incremental forming of metallic materials using applied direct current

#313
20090000708
2009-01-01

Method for manufacture of complex heat treated tubular structure

#314
20080308194
2008-12-18

Method for making a steel part of multiphase microstructure

#315
20080307741
2008-12-18

Reinforcing bar

#316
20080302775
2008-12-11

Metal forming apparatus and process with resistance heating

#317
20080289393
2008-11-27

HOT FORMING AND IN-SITU COOLING OF METALLIC ARTICLES

#318
20080277030
2008-11-13

Composition and Process for Enhanced Properties of Ferrous Components

#319
20080245128
2008-10-09

Method and Apparatus for Forming Metal Reinforcing

#320
20080229893
2008-09-25

Tools with a thermo-mechanically modified working region and methods of forming such tools

#321
20080202638
2008-08-28

High-strength cold-rolled steel sheet, high-strength plated steel sheet, and methods for their manufacture

#322
20080159901
2008-07-03

Steel having high mechanical strength and wear resistance

#323
20080141616
2008-06-19

Method for Joining Dispersion-Strengthened Alloy

#324
20080110227
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#325
20080110226
2008-05-15

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#326
20080092996
2008-04-24

Method for producing high-strength forged parts having high reduction of area

#327
20080089803
2008-04-17

Austenitic Fe-Ni-Cr alloy

#328
20080052887
2008-03-06

Device and method for molding bistable magnetic alloy wire

#329
20070295430
2007-12-27

Maraging steel excellent in fatigue characteristics and method for producing the same

#330
20070246135
2007-10-25

Method of Manufacturing a Hardened Forged Steel Component

#331
20070238257
2007-10-11

Method for coating metal surfaces

#332
20070116591
2007-05-24

Continuous method of rolling a powder metallurgical metallic workpiece

#333
20070017273
2007-01-25

Warm forming of metal alloys at high and stretch rates

#334
20070001483
2007-01-04

Metal tube for reinforcing car body and car body reinforcement therewith

#335
20060283529
2006-12-21

Apparatus and Method of Producing Net-Shaped Components from Alloy Sheets

#336
20060260378
2006-11-23

Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method

#337
20060185774
2006-08-24

Hot forming method and a hot formed member

#338
20060137779
2006-06-29

Press-hardened part and method for the production thereof

#339
20060108028
2006-05-25

Hot rolled steel having improved formability

#340
20060102257
2006-05-18

Steel composition and parts forged by a forging die

#341
20060089208
2006-04-27

Golf club head composed of damascene patterned metal

#342
20060060270
2006-03-23

Nano-scale nitride-particle-strengthened high-temperature wrought ferritic and martensitic steels

#343
20050257862
2005-11-24

Production method of warm- or hot-formed product

#344
20050189043
2005-09-01

Method of fabricating spheroidal graphite cast iron parts of high precision, geometrically and dimensionally, and having improved mechanical characteristics

#345
20050132557
2005-06-23

Golf club head composed of damascene patterned metal

#346
20050084405
2005-04-21

Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof

#347
19011515
2026-03-17

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

#348
18811133
2025-05-27

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