Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2008
03/05/2008CN100372963C Attrition sheet for automatic speed-variator wearing plate and its production method
03/05/2008CN100372962C Superhigh strength steel plate with yield strength more than 1100Mpa and method for producing same
03/05/2008CN100372961C Austenitic high mn stainless steel excellent in workability
03/04/2008US7338630 Free-cutting steel and fuel injection system component using the same
02/2008
02/28/2008WO2008023734A1 Iron-based alloy and process for producing the same
02/28/2008WO2008023702A1 Martensitic stainless steel
02/28/2008WO2008023121A2 Steel composition for special uses, in particular in the automotive field
02/28/2008WO2007108344A9 High-strength steel excellent in weldability and process for production thereof
02/28/2008US20080050265 Low alloy steel
02/28/2008US20080050264 Ignition Device Electrode Composition
02/28/2008US20080047635 Heavy wall seamless steel pipe for line pipe and a manufacturing method thereof
02/28/2008US20080047632 Method for Thermally Treating a Component Consisting of a Fully Hardenable, Heat-Resistant Steel and a Component Consisting of Said Steel
02/28/2008DE102006038669A1 Stahlwerkstoff, insbesondere zur Herstellung von Kolbenringen Steel material, in particular for the production of piston rings
02/28/2008DE10194846B4 Verfahren zur Oberflächenbehandlung eines rostfreien Stahlprodukts für eine Brennstoffzelle A process for surface treatment of a stainless steel product for a fuel cell
02/27/2008EP1892310A2 High strength stick electrode
02/27/2008EP1892309A1 Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same
02/27/2008EP1891248A1 Austenitic lightweight steel and use thereof
02/27/2008EP1342798B9 Process for producing high-nitrogen ultralow-carbon steel
02/27/2008CN101133177A Steel with excellent weather resistance at the seaside atmosphere, and manufacturing method therefor
02/27/2008CN101133176A Steel sheet having aluminum-based plating formed thereon and explosion-preventing band using the same
02/27/2008CN101130849A Anthracene-phenanthrene resid erosion-proof austenitic stainless steel
02/27/2008CN101130848A Thick armor plate with high tension and method for manufacturing the same
02/27/2008CN101130847A Diphasic steel plate by continuous casting and rolling middle bar strip and manufacturing method thereof
02/27/2008CN101130846A Phase-change induced plastic steel plate by continuous casting and rolling middle bar strip and manufacturing method thereof
02/27/2008CN100371489C Abrasion-resistant alloy material
02/27/2008CN100371488C Crankshaft
02/27/2008CN100371487C Martensitic stainless steel for disc brakes
02/26/2008USRE40100 hot isostatic pressing powder blends comprising alloys of chromium, cobalt, rhuthenium, nickel and iron, doped with microstructure boron, carbon, nitrogen, oxygen and silicon powders, to form billets, then machining
02/26/2008US7336453 Magnetic sensing element including pinned layer and/or free layer composed of [110] crystal planes-oriented Heusler alloy
02/26/2008US7335428 Cooking vessel comprising a base made of a multilayer material and a side wall, and article of multilayer material
02/26/2008US7335393 Forming on a support a layer containing an alloy that can form a CuAu type or Cu3Au type hard magnetic order alloy phase, oxidizing the layer, and annealing the layer in a non-oxidizing atmosphere
02/26/2008US7335317 Reaction annealing a unidirectionally solidified giant magnetostrictive material to remove a eutectic phase and create a rare earth metal phase with voids; infiltrating polymer resin into voids and curing; mechanical properties improved at high frequencies; nonfracturing, toughness, electrical resistance
02/21/2008WO2008020602A1 Stainless steel member for fuel cell
02/21/2008WO2008020601A1 Coil spring for fuel cell
02/21/2008WO2008020580A1 Hot-rolled high-carbon steel sheets and process for production of the same
02/21/2008WO2008020467A1 Highly corrosion-resistant rare earth permanent magnet and process for producing the same
02/21/2008WO2008019717A1 Steel material having a high silicon content for producing piston rings and cylinder sleeves
02/21/2008WO2008019716A1 Steel material, in particular for producing piston rings
02/21/2008WO2008000347A3 Cast steel piston for internal combustion engines
02/21/2008US20080041503 Excellent Cold-Workability Exhibiting High-Strength Steel Wire or Steel Bar or High-Strength Shaped Article, and Process for Producing Them
02/21/2008DE102006038670A1 Hochsiliziumhaltiger Stahlwerkstoff zur Herstellung von Kolbenringen und Zylinderlaufbuchsen Hochsiliziumhaltiger steel material for the manufacture of piston rings and cylinder liners
02/20/2008EP1890301A1 Method for producing rare earth permanent magnet material
02/20/2008EP1889938A1 Ferrite stainless steel sheet for bellows stock pipe
02/20/2008EP1889937A1 High tensile steel product excellent in delayed fracture resistance and method for production thereof
02/20/2008EP1889936A1 Ferrite stainless steel sheet for bellows stock pipe
02/20/2008EP1889935A1 High-strength steel sheet plated with zinc by hot dipping with excellent formability and process for producing the same
02/20/2008EP1889929A1 Steel members, method for heat treatment of the same, and process for production thereof
02/20/2008EP1889928A1 Grain-oriented magnetic steel sheet with extremely high magnetic property and process for producing the same
02/20/2008EP1889927A1 Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
02/20/2008EP1888801A1 Razor blades and compositions and processes for the production of razor blades
02/20/2008EP1888800A1 Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same
02/20/2008EP1888799A1 Cold rolled steel sheet having superior formability , process for producing the same
02/20/2008EP1838890A4 Duplex stainless steel having excellent corrosion resistance with low nickel
02/20/2008CN201024200Y Reduction tank wrapped with cover for metal vacuum smelting
02/20/2008CN101128613A Steel strip for spreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same
02/20/2008CN101128612A Steel excellent in resistance to sulfuric acid dew point corrosion
02/20/2008CN101128611A Non-tempered steel soft nitrided component
02/20/2008CN101128273A High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same
02/20/2008CN101126141A Meta-bainite steel and application of the same in railway
02/20/2008CN101126140A A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property
02/20/2008CN101126139A Self-lubricating wear-resisting overlaying alloy
02/20/2008CN101125473A Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same
02/20/2008CN101125472A Hot-dip galvanized thin steel sheet, thin steel sheet processed by hot-dip galvanized layer, and a method of producing the same
02/20/2008CN100370054C High-strength alloyed aluminum-system plated steel sheet and high-strength automotive part excellent in heat resistance and after-painting corrosion resistance
02/20/2008CN100370051C High temperature wearable anti-corrosion Fe-Cr-Si iron base alloy materials
02/20/2008CN100370050C Guide and guard roller for guiding steel billet in high speed wire rolling machine and its making process
02/20/2008CN100370049C Ferritic stainless steel having high temperature creep resistance
02/20/2008CN100370048C Heat-resistant ferritic stainless steel and method for production thereof
02/20/2008CN100369702C Method of manufacturing metallic products such as sheet by cold working and flash annealing
02/20/2008CN100369681C Compound high speed steel roll and its making process
02/19/2008CA2308794C Tin-bearing free-machining steel
02/18/2008CA2597311A1 Transition metal nitride, fuel cell separator, method for producing transition metal nitride, method for producing fuel cell separator, fuel cell stack and fuel cell vehicle
02/14/2008WO2008018624A1 Steel for automobile undercarriage component excelling in fatigue performance and process for manufacturing automobile undercarriage component using the steel
02/14/2008WO2008018531A1 Dr steel sheet and process for manufacturing the same
02/14/2008WO2008018242A1 Two-phase stainless steel
02/14/2008WO2008018179A1 Antenna core and antenna
02/14/2008WO2008018128A1 Iron-based corrosion resistant wear resistant alloy and deposit welding material for obtaining the alloy
02/14/2008WO2008017341A1 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object
02/14/2008US20080038145 Fe-Co based target material and method for producing the same
02/14/2008US20080038144 Chromium, nickel, copper; niobium, iron manganese, nitrogen; nanonitrides; system for heating a subterranean formation;
02/14/2008US20080038143 Method for the Manufacture of an Austenitic Product as Well as the Use Thereof
02/14/2008US20080035249 Method for Producing Austenitic Iron-Carbon-Manganese Metal Sheets, and Sheets Produced Thereby
02/14/2008US20080035248 metal working; hot-rolled and cold-rolled steel; high mechanical properties, use in manufacture of structural or reinforcing elements or external parts for automotive field
02/14/2008US20080035247 High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue resistance, corrosion resistance, ductility and plating adhesion, after severe deformation, and a method of producing the same
02/14/2008US20080035246 Thrust bearing component
02/14/2008CA2659849A1 Process for setting the thermal conductivity of a steel, tool steel, in particular hot-work steel, and steel object
02/13/2008EP1887585A1 Low magnetostriction body and dust core using same
02/13/2008EP1887096A1 Hot working steel
02/13/2008EP1886844A1 Annular concentric stranded bead cord and method for producing same
02/13/2008EP1885900A1 Steel for submarine hulls with improved weldability
02/13/2008EP1885899A1 Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same
02/13/2008EP1348080B1 Rolling bearing comprising a powder metallurgical component
02/13/2008CN201020387Y Grinding roller for flour mill
02/13/2008CN201020386Y Grinding ring for flour mill
02/13/2008CN101121996A Outer layer material used for centrifugal roller
02/13/2008CN101121995A Novel martensite system stainless steel material and its preparation method and application
02/13/2008CN101121994A Cast steel for oil-well rig hoisting system and manufacturing method thereof
02/13/2008CN101121993A Method for producing high abrasion-proof austenitic manganese steel hammer
02/13/2008CN101121992A Method for producing strong annealed steel hot-rolled sheet coil
02/13/2008CN101121991A Fine-crystal composite phase low-carbon screw thread straight bar and producing method thereof