Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
01/2013
01/30/2013CN102899603A M50NiL material low-pressure vacuum carburization method
01/30/2013CN102896222A Lower die structure for stretching casing to be molded
01/24/2013DE112011100602T5 Stahl für Gussformen mit ausgezeichneter Lochausbildungsmöglichkeit und verringerter Prozessverformung sowie Verfahren zu dessen Herstellung Steel for molds with excellent hole-forming ability and reduced deformation process and method for its manufacture
01/23/2013EP2548977A1 Method for producing directional electromagnetic steel sheet
01/23/2013EP2548976A1 Spring steel and surface treatment method for steel material
01/23/2013EP2547800A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness
01/23/2013EP2547799A2 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same
01/23/2013CN202688370U Duplex stainless steel solid solution heat treatment cooling water tank
01/23/2013CN102886440A Flanging mould of special mould for trimming formed shell
01/17/2013WO2013008756A1 Alloy for r-t-b-based rare earth sintered magnet, process for producing alloy for r-t-b-based rare earth sintered magnet, alloy material for r-t-b-based rare earth sintered magnet, r-t-b-based rare earth sintered magnet, process for producing r-t-b-based rare earth sintered magnet, and motor
01/17/2013WO2013007212A1 La(fe,si)13-based magnetic refrigerant prepared from industrially pure mixed rare-earth, preparation method and uses thereof
01/17/2013US20130014863 Method of magnetically processing an iron-carbon alloy
01/16/2013EP2546368A1 Method for producing high-strength steel sheet
01/16/2013CN102884208A Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor
01/16/2013CN102877008A Method for preparing bainite wear-resistant cast steel
01/16/2013CN102876990A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof
01/16/2013CN102876988A Corrosion-resisting antibacterial stainless steel and manufacturing method thereof
01/16/2013CN102876867A Heat treatment method of medium-high carbon steel
01/16/2013CN102876866A Heat treatment process for relieving or removing banded structure of hot-work die steel 4Cr5MoSiV1
01/16/2013CN102876865A Heat treatment method of 304 stainless steel
01/10/2013US20130008567 Heat treatment method
01/09/2013CN202658198U Subzero treatment device for cutting steel wire of solar cell silicon wafer
01/09/2013CN102864383A Low alloy steel
01/09/2013CN102864291A Method for controlling widmannstatten structures in steel
01/02/2013CN102851470A Heat treatment technique capable of overcoming bulky or cellular precipitation of superhigh-carbon steel carbide
01/02/2013CN102181806B Thick chromium-molybdenum steel plate for hydrogenation equipment and production method thereof
12/2012
12/27/2012WO2012176802A1 Method for producing austenitic stainless steel and austenitic stainless steel material
12/27/2012WO2012141205A3 L10-TYPE FeNi ALLOY PARTICLES AND PRODUCTION METHOD THEREFOR, AND MAGNETIC COMPOSITION AND MAGNET
12/26/2012EP2537952A1 Free-cutting stainless-steel cast product and process for producing same
12/20/2012US20120321504 Air hardenable shock-resistant steel alloys, methods of making the alloys, and articles including the alloys
12/20/2012US20120318412 Primary ultrafine-crystalline alloy, nano-crystalline, soft magnetic alloy and its production method, and magnetic device formed by nano-crystalline, soft magnetic alloy
12/19/2012CN102829180A Aluminum piston abrasion-resisting embedding ring for low-temperature cold area
12/19/2012CN102828190A Improved heat processing method of corrugating roller
12/19/2012CN102828107A Preparation method and device for Ln(Fe,M)13 series magnetic refrigeration materials
12/19/2012CN102094112B Heat treatment process of alloy steel product
12/13/2012WO2012167854A1 Steam generator component and method for producing a steam generator component
12/13/2012US20120312159 Machine component with a cavitation resistant covering
12/12/2012EP2533259A1 Amorphous core annealing method
12/12/2012CN102822372A Initial ultrafine crystal alloy, nanocrystal soft magnetic alloy and method for producing same, and magnetic component formed from nanocrystal soft magnetic alloy
12/11/2012US8328956 Carbonitrided induction hardened steel part superior in surface fatigue strength at high temperature and method of production of same
12/06/2012US20120305147 Method of manufacturing non-quenched and tempered steel product
12/06/2012DE112010000836T5 Band aus einer weichmagnetischen Legierung und Herstellungsverfahren dafür sowie magnetische Vorrichtung mit dem Band aus einer weichmagnetischen Legierung Band of a soft magnetic alloy and manufacturing method thereof, and magnetic apparatus with the tape of a soft magnetic alloy
12/05/2012EP2530178A1 Case-hardened steel and carburized material
12/05/2012EP2529038A2 Process for the heat treatment of metal strip material, and strip material produced in that way
11/2012
11/28/2012CN102803539A Gas-carburized steel component with excellent surface fatigue strength, gas-carburizing steel material, and process for producing gas-carburized steel component
11/28/2012CN102803519A Method for producing a hot press cured component, use of a steel product for producing a hot press cured component, and hot press cured component
11/27/2012US8317938 Nitratable steel material composition for producing piston rings and cylindrical sleeves
11/22/2012WO2012130434A3 Method of heat treating a coated metal strip and heat treated coated metal strip
11/22/2012WO2012077150A3 Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable
11/22/2012WO2011114227A3 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same
11/22/2012US20120291928 Process for the Heat Treatment of Metal Strip Material, and Strip Material Produced in that Way
11/21/2012CN102791890A Spring steel and surface treatment method for steel material
11/21/2012CN102049485B Method for composite centrifugal casting high-chromium steel roller
11/21/2012CN101760700B Ferrous abrasion resistant sliding material
11/20/2012US8313592 Thermal mechanical treatment of martensitic stainless steel
11/15/2012WO2012153013A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained
11/15/2012WO2012153009A1 Method for the production of very-high-strength martensitic steel and sheet thus obtained
11/15/2012US20120285583 Cerium based permanent magnet material
11/15/2012CA2834967A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained
11/14/2012CN102773485A Method for manufacturing check valve core by powder metallurgy
11/14/2012CN102773483A Method for manufacturing valve seat of stop valve by powder metallurgy
11/14/2012CN102773482A Method for manufacturing butterfly valve rod by powder metallurgy
11/14/2012CN101622365B Method for improving the performance of seam-welded joints using post-weld heat treatment
11/08/2012US20120279616 Steel material for hardening and method for producing the same
11/07/2012EP2520682A1 Steel material for quenching and method of producing same
11/07/2012CN102770572A Duplex stainless steel material for vacuum vessels, and process for manufacturing same
11/07/2012CN102770570A Case-hardened steel and carburized material
11/07/2012CN102770566A Steel for molds with excellent hole processability and reduced processing deformation, and method for producing same
11/07/2012CN102770565A Process for the heat treatment of metal strip material, and strip material produced in that way
11/07/2012CN102767928A Energy-saving deep cooling box
11/07/2012CN102766745A Heat treatment method for high-speed steel for rollers
10/2012
10/31/2012EP2518177A1 Nitriding process for maraging steel
10/26/2012WO2012143610A1 Method for manufacturing and utilizing ferritic-austenitic stainless steel
10/26/2012CA2832921A1 Method for manufacturing and utilizing ferritic-austenitic stainless steel
10/24/2012CN101443469B Austenitic stainless steel and process for removing hydrogentherefrom
10/18/2012US20120261038 Low alloy steel for geothermal power generation turbine rotor, and low alloy material for geothermal power generation turbine rotor and method for manufacturing the same
10/17/2012EP2511386A2 Case-hardening method of processing stainless steel and steel article
10/17/2012CN102741957A Amorphous core annealing method
10/17/2012CN102741442A High-strength steel plate with excellent warm workability
10/17/2012CN102741440A Steel material for quenching and method of producing same
10/17/2012CN102741437A Alloy composition, Fe-based nanocrystalline alloy and manufacturing method therefor, and magnetic component
10/11/2012WO2012136897A1 Method for producing a steel product from steel billet, a steel product and a microstructure of a steel
10/10/2012CN101365812B Method for producing a cold-rolled steel strip with a ferritic structure
10/09/2012US8282747 Cooling method of steel plate
10/04/2012WO2012130552A1 Method for producing a hardened, coated metal component
10/04/2012WO2012130434A2 Method of heat treating a coated metal strip and heat treated coated metal strip
10/04/2012DE19758822B4 Wälzlager Rolling bearings
10/03/2012CN102703827A Heat treatment process of wear resistant steel
09/2012
09/26/2012EP2502710A1 Chisels
09/25/2012US8273191 High-strength stainless steel material and production process of the same
09/20/2012WO2012124387A1 Magnetic material
09/20/2012US20120234438 Process for Production of Cold-Rolled Steel Sheet Having Excellent Press Moldability, and Cold-Rolled Steel Sheet
09/19/2012CN102676935A Improved 55Si2Mn alloy steel
09/19/2012CN102676766A Thermal treatment method for improving low-temperature impact toughness of austenite-ferrite stainless steel
09/19/2012CN102127624B Cryogenic treatment method and device for steel wire for cutting solar cell silicon chip
09/19/2012CN101855370B Method of heat-treating steel, process for producing machine part, and machine part
09/18/2012US8268101 Austenitic stainless steel strip having a bright surface finish and excellent mechanical properties
09/18/2012CA2517594C Steel having excellent rolling fatigue life and method for manufacturing the same
09/13/2012WO2012121630A1 A forged roll meeting the requirements of the cold rolling industry and a method for production of such a roll
09/13/2012WO2012119925A1 Hot-work tool steel and a process for making a hot-work tool steel
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