Patents for C21D 6 - Heat treatment of ferrous alloys (4,815)
05/2010
05/05/2010EP2181199A2 Secondary-hardening gear steel
05/05/2010CN1716465B Method for producing iron base rare earth isotropy nano composite magnet
05/04/2010US7708841 Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy
04/2010
04/29/2010US20100101690 Method for continously annealing steel strip having a curie point and continous annealing facility of the same
04/29/2010DE112008000720T5 Weichmagnetische Legierung, die weichmagnetische Legierung verwendendes magnetisches Teil und Verfahren zum Herstellen derselbigen Soft magnetic alloy, the soft magnetic alloy-use magnetic member and methods of making derselbigen
04/28/2010EP2180074A1 High-strength low-alloy steel excellent in the resistance to high-pressure hydrogen environment embrittlement and process for manufacturing the steel
04/27/2010US7704338 Method of manufacturing a martensitic stainless steel
04/21/2010EP2178096A1 R-Fe-B RARE EARTH SINTERED MAGNET
04/21/2010EP2177745A1 Steel tube for fuel injection tube and process for producing the same
04/21/2010CN201439534U Antifriction alloy cast steel equipment for heat processing
04/21/2010CN101225499B Low-alloy super-strength multiphase steel and heat treatment method thereof
04/20/2010US7699946 Heat aluminum alloy workpiece to single phase coarse grain alloy; refine grain size of workpiece at room temperature or cryogenic till average grain size is less than 1000 nanometers; strength of workpiece increases; age, induce second phase particles; increase ductility
04/15/2010WO2010041416A1 Evaporation material and method for producing evaporation material
04/15/2010US20100089504 Precipitation-hardened, martensitic, cast stainless steel having excellent machinability and its production method
04/15/2010US20100089501 Martensitic Creep Resistant Steel Strengthened by Z-Phase
04/14/2010CN101693941A Method for quenching medium and low carbon alloy structural steel workpieces
04/13/2010US7695574 melting alloy raw materials at 1,200 to 1,800 degrees C. and solidifying by rapidly quenching the molten metal produced through the above step to thereby form the RE-containing alloy
04/08/2010US20100084059 Locally austempered ductile iron
04/08/2010US20100084058 Method of producing grain-oriented electrical steel
04/08/2010US20100084056 Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip
04/07/2010EP2172573A1 Martensitic stainless-steel seamless pipe for oil well pipe and process for producing the same
04/07/2010CN201436303U Spray-cooling device for different cooling speed
04/06/2010CA2544382C Dual phase steel strip suitable for galvanizing
04/06/2010CA2509581C High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking
03/2010
03/31/2010CN101688505A Steel tube for fuel injection tube and process for producing the same
03/31/2010CN101688275A Steel for mechanical structure excelling in machinability and process for producing the same
03/31/2010CN101688273A Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof
03/25/2010US20100074791 Ferrous abrasion resistant sliding material
03/25/2010DE112008000992T5 RTB-Sintermagnet und Verfahren zur Herstellung desselben RTB sintered magnet, and method for manufacturing the same
03/24/2010EP2164998A1 Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained
03/24/2010CN101680045A Method for reducing formation of electrically resistive layer on ferritic stainless steels
03/24/2010CN100595308C Preparation method of magnetostriction alloy with excellent combined properties
03/18/2010WO2010011447A3 High strength, high toughness steel alloy
03/18/2010US20100065167 Annealing and pickling process
03/18/2010US20100065165 System and method for annealing nuclear fission reactor materials
03/18/2010US20100065163 Ductile metallic glasses
03/17/2010EP2163655A1 Process for production of high alloy steel pipe
03/17/2010EP2163327A2 Method for manufacturing and fitting superheater coils of steam creation devices
03/17/2010EP2163326A2 Method for manufacturing and fitting superheater coils of steam creation devices
03/17/2010EP2162252A1 A thin cast strip product with microalloy additions, and method for making the same
03/17/2010EP2162251A1 A thin cast strip product with microalloy additions, and method for making the same
03/04/2010US20100051145 Egr cooler for vehicles and method of manufacturing the same
03/04/2010US20100050617 Ferritic stainles steel for exhaust gas path members
03/03/2010EP2159296A1 Hardened and tempered steel and method for producing parts of said steel
03/03/2010EP2159294A1 Steel for mechanical structure excelling in machinability and process for producing the same
03/03/2010CN201416023Y On-line sub-zero treatment device
03/03/2010CN101663410A Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip
03/03/2010CN101660031A Periodic sub-zero treatment process of finished high speed steel cutters
02/2010
02/25/2010WO2010021130A1 ALLOY COMPOSITION, Fe-BASED NANOCRYSTALLINE ALLOY AND MANUFACTURING METHOD THEREFOR, AND MAGNETIC COMPONENT
02/25/2010US20100043928 Method of forming texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel sheet manufactured by using the same
02/25/2010US20100043927 Alloy composition, fe-based nano-crystalline alloy and forming method of the same and magnetic component
02/25/2010US20100043662 Diffusion alloyed iron powder
02/24/2010EP2157203A1 High-strength steel sheet superior in formability
02/24/2010EP2157196A1 Method of processing maraging steel
02/24/2010EP2157195A1 Method of producing thin steel sheet
02/24/2010EP2155916A1 Low density steel with good stamping capability
02/18/2010US20100037994 Method of processing maraging steel
02/18/2010US20100037993 Ultrahigh-strength twip steel sheet and manufacturing method thereof
02/17/2010EP2152451A1 A thin cast strip product with microalloy additions, and method for making the same
02/16/2010US7662244 Martensitic stainless steel and method for manufacturing same
02/16/2010CA2528746C Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereof
02/11/2010WO2010016378A1 Austenitic stainless steel and process for hydrogenation of same
02/11/2010WO2009131739A3 Lower-cost, ultra-high-strength, high-toughness steel
02/11/2010CA2733658A1 Austenitic stainless steel, and hydrogenation method thereof
02/04/2010WO2010014269A1 Thermal mechanical treatment of ferrous alloys, and related alloys and articles
02/03/2010EP2149616A1 Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip
02/02/2010US7655320 Surface pre-treatment method for pre-coated heat-treatable, precipitation-hardenable stainless steel ferrous-alloy components and components coated thereby
01/2010
01/28/2010WO2010011447A2 High strength, high toughness steel alloy
01/28/2010US20100021339 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance
01/28/2010CA2731754A1 High strength, high toughness steel alloy
01/21/2010WO2010007297A1 Hardened martensitic steel having a low cobalt content, process for manufacturing a part from this steel, and part thus obtained
01/21/2010US20100012232 Pitting corrosion resistant non-magnetic stainless steel
01/21/2010CA2730520A1 Hardened martensitic steel having a low cobalt content, process for manufacturing a part from this steel, and part thus obtained
01/20/2010EP2145973A1 Alloyed hot-dip galvanized steel sheet and production method thereof
01/20/2010EP2145970A1 Precipitation-hardened martensitic cast stainless steel having excellent machinability, and method for production thereof
01/14/2010US20100006189 Austempered ductile iron, method for producing this and component compri
01/14/2010DE112007003040T5 Verfahren zur Herstellung einer Glas-Giessform A method for producing a glass mold
01/13/2010CN100580124C Tempered martensitic steel, method of producing a part from the steel and part obtained thereby
01/06/2010EP2141251A1 Shape memory alloys based on iron, manganese and silicon
01/06/2010CN101622365A Method for improving the performance of seam-welded joints using post-weld heat treatment
01/06/2010CN100577841C Austenitic stainless steel sheet excellent in color tone of surface and method for manufacturing same
12/2009
12/30/2009EP2138599A1 High-strength hot-dip galvanized steel sheet and method for producing the same
12/30/2009EP2137327A1 Steel for tool-less hot forming or quenching with improved ductility
12/24/2009US20090314396 Method for efficient heat treatment of steel
12/23/2009EP2135963A1 Process for manufacturing martensite stainless steel pipe
12/23/2009CN101611162A Ferritic stainless steel for exhaust gas passage member
12/23/2009CN100572567C Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component made of said steel
12/17/2009WO2009150928A1 Ball for constant velocity joint and method for producing the same
12/17/2009US20090308505 Quenching Fluid
12/15/2009CA2537506C Post weld heat treatment for chemically stabilized austenitic stainless steel
12/09/2009EP2130936A1 Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon
12/09/2009CN101600814A 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
12/03/2009WO2009145168A1 Manufacturing method for machine parts having superior rolling-contact fatigue life
12/03/2009WO2009145039A1 High-rigidity high-damping-capacity cast iron
12/02/2009EP2128292A1 Iron-based soft magnetic alloy, thin ribbon of amorphous alloy, and magnetic part
12/02/2009EP2128291A1 Magnetic alloy, amorphous alloy ribbon, and magnetic part
12/02/2009EP2126152A2 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
12/02/2009EP2126145A1 Method for improving the performance of seam-welded joints using post-weld heat treatment
12/02/2009EP2126144A1 Method of thermomechanical shaping a final product with very high strength and a product produced thereby
12/02/2009CN101591756A Low-crackle sensitive steel board with yield strength of 620MPa grade and production method thereof
1 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 49