| Patents for C21D 6 - Heat treatment of ferrous alloys (4,815) |
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| 11/27/2008 | WO2008055477A3 Method for the production of a rolling bearing ring, and rolling bearing ring |
| 11/26/2008 | EP1995336A1 Low-density steel with good suitability for stamping |
| 11/20/2008 | US20080286603 Steel Sheet for Hot Press Forming Having Excellent Heat Treatment and Impact Property, Hot Press Parts Made of It and the Method for Manufacturing Thereof |
| 11/20/2008 | US20080286504 Steel Plate or Steel Pipe with Small Occurrence of Bauschinger Effect and Methods of Production of Same |
| 11/19/2008 | EP1992707A2 Material of case for storage cell |
| 11/19/2008 | CN100434563C Cold-formable chrome steel |
| 11/13/2008 | WO2008109652A3 Method for reducing formation of electrically resistive layer on ferritic stainless steels |
| 11/13/2008 | US20080279713 Smelting at 950-1050C charging temperature; refine at 1100-1150 C tapping temperature; thin slab continuous casting of a billet; soak; hot continuous rolling at 870-920 C finishing temperature; laminar cooling; coil at 550-650 C coiling temperature; yield strength 700-800M Pa; no Nb, Mo, or V |
| 11/12/2008 | EP1990812A1 Amorphous transformer for electric power supply |
| 11/12/2008 | CN101302601A High-strength tough large-cross section non-quenched and tempered steel rod and preparation thereof |
| 11/06/2008 | WO2008133302A1 Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip |
| 11/06/2008 | WO2008133301A1 Soft magnetic alloy, process for production thereof and magnetic parts |
| 11/06/2008 | WO2008132801A1 R-t-b sintered magnet and method for producing the same |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | US20080274008 Corrosion-Resistant Steel Excellent in Toughness of Base Metal and Weld Portion, and Method of Manufacturing the Same |
| 11/06/2008 | US20080274002 Powder injection molding composition |
| 11/06/2008 | US20080271819 Electrical steel; controlling concentration of bismuth; annealing, cold rolling, hot rolling, heating, decarboxylation; process control |
| 11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/05/2008 | EP1988183A1 R-t-b alloy, method for producing the same, fine powder for r-t-b rare earth permanent magnet, and r-t-b rare earth permanent magnet |
| 11/05/2008 | CN101300365A Methods for heat treating thick-walled forgings |
| 11/04/2008 | US7445750 Toughness; cutting tools and of metrological instruments |
| 10/30/2008 | WO2008129803A1 Soft magnetic alloy, magnetic component using the same, and their production methods |
| 10/30/2008 | US20080264528 Rolling, sliding part and process for producing same |
| 10/29/2008 | EP1985919A2 Surface-blasted steam generator parts or power plant components |
| 10/29/2008 | EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 10/29/2008 | EP1257414B9 Use of a dimensionally stable iron-chrome-aluminum film |
| 10/28/2008 | US7442263 Transductor regulator with a magnetic core which is made made of a nanocrystalline alloy which is almost free of magnetorestriction; used in motor vehicle voltage supplies; switched power supply units for computers; alloy based on iron cobalt copper silicon and boron |
| 10/23/2008 | US20080256772 Method and plant for manufacturing forks for lift trucks |
| 10/16/2008 | WO2008123275A1 Process for manufacturing martensite stainless steel pipe |
| 10/16/2008 | WO2008123159A1 Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof |
| 10/16/2008 | WO2008042982A3 Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom |
| 10/16/2008 | US20080251166 Structures such as rails, vehicle bodies; yield strength; reduced surface defects; precipitation hardening |
| 10/16/2008 | US20080251165 Using two different materials such as nickel and stainless steels; multistage process ; austenizing the steel; cooling; then aging, tempering |
| 10/16/2008 | US20080251159 Methods for Producing Raw Material Alloy for Rare Earth Magnet, Powder and Sintered Magnet |
| 10/15/2008 | EP1979583A1 Method for making spark ignition engine valve, and resulting valve |
| 10/15/2008 | EP1979501A1 Iron-nickel alloy |
| 10/14/2008 | US7435307 Fe-Ni based permalloy and method of producing the same and cast slab |
| 10/14/2008 | CA2251338C Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material |
| 10/09/2008 | US20080247898 Method for preparing rare earth permanent magnet |
| 10/08/2008 | EP1978124A1 Forging steel, forging and crankshaft |
| 10/08/2008 | EP1978112A1 Systems and methods for providing localized heat treatment of gas turbine components |
| 10/08/2008 | EP1423219B1 A method for manufacturing an ultra-high-tensile, expanded metal of steel |
| 10/08/2008 | CN101280394A High-silicon low-carbon high-heat resistance hot work die steel |
| 10/08/2008 | CN101280386A Zinc-platable phosphorus-containing low-carbon low-silicon cold rolled TRIP steel and heat treatment process thereof |
| 10/08/2008 | CN100424211C Modified steel and its production method |
| 10/02/2008 | US20080240970 Austenitic free-cutting stainless steel |
| 10/02/2008 | US20080236710 Method for reducing formation of electrically resistive layer on ferritic stainless steels |
| 10/02/2008 | US20080236706 Method of producing mnzn-base ferrite |
| 10/01/2008 | EP1975270A1 Austenitic free cutting stainless steel |
| 10/01/2008 | EP1974064A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 10/01/2008 | EP1298226B1 Iron-base alloy and method for production thereof |
| 09/25/2008 | WO2008114665A1 Iron-based soft magnetic alloy, thin ribbon of amorphous alloy, and magnetic part |
| 09/25/2008 | WO2008114611A1 Magnetic alloy, amorphous alloy ribbon, and magnetic part |
| 09/25/2008 | WO2008114605A1 Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon |
| 09/24/2008 | CN101270452A Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof |
| 09/24/2008 | CN101270448A Abrasion-proof steel alloy for manufacturing crusher hammer and hammer manufacturing method |
| 09/24/2008 | CN101270447A Steel alloy for manufacturing crusher hammer and hammer manufacturing method |
| 09/24/2008 | CN100420767C Ferritic stainless steel and martensitic stainless steel both being excellent in machinability |
| 09/18/2008 | WO2008110670A1 Steel for hot working or quenching with a tool having an improved ductility |
| 09/18/2008 | US20080226490 Low-density alloy and fabrication method thereof |
| 09/17/2008 | EP1969151A1 Deformable lightweight structural steel |
| 09/17/2008 | CN101268203A Process for manufacturing cold-formed precision steel pipes |
| 09/17/2008 | CN101264681A Hot-dip galvannealed steel sheet, steel sheet treated by hot-dip galvannealed layer diffusion and a method of producing the same |
| 09/12/2008 | WO2008108248A1 Thrust bearing |
| 09/12/2008 | CA2677807A1 Method for reducing formation of electrically resistive layer on ferritic stainless steels |
| 09/11/2008 | US20080216927 Ferrite steel containing chromium; tempering; heat treatment; stress resistance |
| 09/10/2008 | EP1966399A2 Method for producing a cold-rolled strip from stainless steel with a ferritic structure and a reduced susceptibility to ridging |
| 09/10/2008 | CN101263240A Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 09/10/2008 | CN101263233A Method for production of sheets of austenitic iron/carbon/manganese steel and sheets produced thus |
| 09/10/2008 | CN100417740C Heat source material of high frequency electromagnetic wave heat generating device and its manufacturing method |
| 09/04/2008 | US20080210352 Method for Heat-Treating Steel Material |
| 09/02/2008 | US7419634 For use in a magnetic head, a magnetic shielding material, an iron core of a transformer or the like and having excellent magnetic properties |
| 09/02/2008 | CA2475000C Martensitic stainless steel and method for manufacturing the same |
| 09/02/2008 | CA2450521C Method for manufacturing high chromium system seamless steel pipe |
| 08/28/2008 | WO2008102012A1 Method of thermomechanical shaping a final product with very high strength and a product produced thereby |
| 08/27/2008 | CN100414650C Rare earth magnet and method for production thereof |
| 08/26/2008 | US7418362 Method and device for determining wheel force |
| 08/21/2008 | WO2008099803A1 Fe-base nanocrystal soft magnetic alloy, amorphous alloy ribbon, process for producing fe-base nanocrystal soft magnetic alloy, and magnetic part |
| 08/21/2008 | WO2008081118A3 Processing method for cracking desensitisation using a nickel based alloy environment, mainly for a nuclear reactor fuel assembly and for a nuclear reactor, and part made of the alloy thus processed |
| 08/20/2008 | EP1461467B1 Triple-phase nano-composite steels |
| 08/20/2008 | CN101248205A Martensitic stainless steel composition, method for making amechanical part from said steel and resulting part |
| 08/20/2008 | CN101248194A High-strength steel pipe and method of heat treatment therefor |
| 08/20/2008 | CN100413001C Permanent magnet having multiple strong magnetic phases and manufacturing method thereof |
| 08/14/2008 | WO2008096621A1 R-t-b alloy, method for producing the same, fine powder for r-t-b rare earth permanent magnet, and r-t-b rare earth permanent magnet |
| 08/14/2008 | US20080193321 Hardened Martensitic Steel, Method For Producing A Component From This Steel And Component Obtained In This Manner |
| 08/14/2008 | US20080190522 Process for Heat Treatment of Steel or Cast Iron Workpieces |
| 08/07/2008 | WO2008093888A1 Ferritic stainless steel for exhaust gas passage member |
| 08/07/2008 | WO2008093453A1 Austenite based stainless steel and method of dehydrogenating the same |
| 08/07/2008 | CA2649355A1 Austenitic stainless steel and process for removing hydrogen therefrom |
| 08/06/2008 | EP1951519A2 High strength dual phase steel with low yield ratio, high toughness and superior weldability |
| 08/05/2008 | US7407715 Method of brazing and article made therefrom |
| 07/31/2008 | US20080178969 Ductibility; weldibility; dimensional stability; steel alloy is electric furnace melted, ladle refined, vacuum degassed and argon shield poured in order to ensure cleanliness and quality |
| 07/30/2008 | CN100406601C Triple-phase nano-composite steels |
| 07/24/2008 | WO2008088834A1 Method for improving the performance of seam-welded joints using post-weld heat treatment |
| 07/24/2008 | US20080175741 Cast iron material, seal material and the production method |
| 07/23/2008 | CN101225499A Low-alloy super-strength multiphase steel and heat treatment method thereof |
| 07/16/2008 | CN100402689C Steel and mould tool for plastic materials made of the steel |
| 07/15/2008 | US7399372 stainless steels having ridges and compressive residual stress, used in vehicle suspensions, gas springs, and vacuums; springs |
| 07/10/2008 | WO2008081517A1 Method for manufacturing tool steel |
| 07/10/2008 | WO2008049069A3 Improved processing method for the production of amorphous/nanoscale/near nanoscale steel sheet |