Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
02/2010
02/24/2010CN101654763A Method for manufacturing golf club head component
02/24/2010CN101654762A Slit and corrosion resistant steel
02/24/2010CN101654761A Carbon-manganese composite microalloyed steel for engineering machinery and preparation method thereof
02/24/2010CN101654760A Unalloyed structural steel S355J2 steel plate and production method thereof
02/24/2010CN101654759A Magnetostrictive material and preparation method thereof
02/24/2010CN101654758A Method for manufacturing stainless steel pipe billet of furnace pipe of heating furnace for petrochemical technology
02/24/2010CN101654757A Coated semi-processed non-oriented electrical steel sheet and manufacturing method thereof
02/24/2010CN100591791C High stress, high plasticity and high hardenability large cross section spring steel
02/24/2010CN100591790C Hydrogen embrittlement resistant roller and method for preparing same
02/24/2010CN100591789C Good burring property high strength steel sheet excellent in softening resistance in welded heat affecting zone, and its production method
02/24/2010CN100591788C Rare earth magnet alloy ingot, manufacturing method for the same, r-t-b type magnet alloy ingot, r-t-b type magnet, r-t-b type bonded magnet, r-t-b type exchange spring magnet alloy ingot, r-t-b type
02/23/2010US7666519 Nickel-based or heat resistant iron-based alloy, cobalt-based intermetallic compound, and silver dispersed therein; formed by sintering
02/23/2010US7666350 Resulfurized free machining steel product which is free of lead and has satisfactory machinability; for hot-rolled steel bars and steel rods
02/18/2010WO2010018920A2 High-carbon hot-rolling steel sheet and a production method therefor
02/18/2010WO2010018906A1 Steel sheet for enamelling, and a production method therefor
02/18/2010US20100040503 Magnetic alloy, amorphous alloy ribbon, and magnetic part
02/18/2010US20100040502 Creep-resistant steel
02/18/2010US20100037995 High-strength steel sheet superior in formability
02/18/2010US20100037994 Method of processing maraging steel
02/18/2010US20100037993 Ultrahigh-strength twip steel sheet and manufacturing method thereof
02/18/2010US20100037992 Method for transforming steel blanks
02/18/2010DE202005021771U1 Umformbarer Leichtbaustahl Formable lightweight steel
02/17/2010EP2154694A1 Soft magnetic material, powder magnetic core, process for producing soft magnetic material, and process for producing powder magnetic core
02/17/2010EP2154262A1 Abrasion-resistant steel sheet having excellent processability, and method for production thereof
02/17/2010EP2154261A1 High temperature alloy
02/17/2010EP2154260A1 Free-cutting alloy tool steel
02/17/2010EP2152919A1 Use of a steel alloy for well pipes for perforation of borehole casings, and well pipe
02/17/2010EP2152451A1 A thin cast strip product with microalloy additions, and method for making the same
02/17/2010CN201407378Y Air valve plate
02/17/2010CN101652495A Steel material having excellent high temperature properties and excellent toughness, and method for production thereof
02/17/2010CN101652494A Carbonitrided induction-hardened steel part with excellent rolling contact fatigue strength at high temperature and process for producing the same
02/17/2010CN101652493A Hot-forging microalloyed steel and hot-rolled steel material each having excellent fracture splittability and machinability, and hot-forging microalloyed steel part
02/17/2010CN101652492A High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same
02/17/2010CN101652491A Ferritic stainless steel for warm-water vessel with welded structure, and warm-water vessel
02/17/2010CN101649425A X120 pipeline steel with low crack sensitivity and high toughness and manufacturing method thereof
02/17/2010CN101649424A Novel heat resistant steel
02/17/2010CN101649423A Niobium micro-alloying gap-free hot rolled strip and manufacture method thereof
02/17/2010CN101649422A Niobium microalloyed hot rolled steel band and manufacturing method thereof
02/17/2010CN101649421A Manufacturing method of niobium microalloyed steel continuous casting thick plate blank
02/17/2010CN101649420A Ultra-strength, high toughness and low yield ratio steel and steel plate and manufacturing method thereof
02/17/2010CN101649419A High-performance cold extrusion die steel and metallurgical manufacturing method thereof
02/17/2010CN101649418A Ferrite stainless steel cold-rolled steel band and manufacturing method thereof
02/17/2010CN101649417A Crankcase body for automobile
02/17/2010CN101649416A High carbon steel wire rod and preparation method thereof
02/17/2010CN101649415A High-strength steel sheet superior in formability
02/17/2010CN101649414A Low alloy easy-welding and wear-resistant steel, steel plate and manufacturing method
02/17/2010CN101649413A Ultra-strength and high toughness maraging steel and manufacturing method thereof
02/17/2010CN101649412A Hadifield steel with excellent mechanical property and manufacturing method thereof
02/17/2010CN100590219C Non-magnetic alloy and counterbalance produced thereby
02/17/2010CN100590218C High-tension steel with excellent weldability and plastic deformation ability
02/17/2010CN100590217C Hot-rolled steel sheet, method for production thereof and molded article formed from hot-rolled steel sheet
02/16/2010US7662247 Microalloying by heating the iron alloy melt to about 1600-1610 degrees C., afterslagging and deoxidizing, and adding fine particle of iron/titanium, iron/rareearth and iron/boron particles packed in a thin plastic bag into the ladle;cost efficiency; free of molybdenum and nickel; pyrometallurgy
02/16/2010US7662246 Alloy for heat exchangers of iron nitride steel tubes for high pressure materials
02/16/2010US7662245 Steering rack comprising steel bar with rack teeth
02/16/2010US7662244 Martensitic stainless steel and method for manufacturing same
02/16/2010US7662243 Having superior press moldability, superior bake hardenability, and superior stretch flangability; > 80% homogeneous continuous-cooled microstructure and polygonal ferrite < 20%; austenitic steels; automobiles; lightweight; high strength; industrial scale; galvanized zinc plating
02/16/2010CA2528746C Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereof
02/16/2010CA2452624C Process for manufacturing a piston for an internal combustion engine, and the piston thus obtained
02/16/2010CA2170449C Continuous process and reel-to-reel transport apparatus for transverse magnetic field annealing of amorphous material used in an eas marker
02/11/2010WO2010016702A2 Environmentally-friendly, pb-free free-machining steel, and manufacturing method for same
02/11/2010WO2010016447A1 High-strength hot-dip zinc-coated steel sheet having excellent surface appearance and process for production of same
02/11/2010WO2010016430A1 High-strength cold-rolled steel sheet excellent in weldability and process for production of same
02/11/2010WO2010016378A1 Austenitic stainless steel and process for hydrogenation of same
02/11/2010WO2010016014A1 Ferritic stainless steel
02/11/2010WO2010015156A1 A method of manufacturing oriented si steel containing cu
02/11/2010WO2009131739A3 Lower-cost, ultra-high-strength, high-toughness steel
02/11/2010US20100035115 Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell using the same, polymer electrolyte fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell
02/11/2010US20100034691 Spring steel wire excellent in fatigue characteristic and wire drawability
02/11/2010US20100034690 Carburization resistant metal material
02/11/2010US20100034689 Austenitic stainless steel
02/11/2010US20100032062 STEEL PLATE HAVING A LOW WELDING CRACK SUSCEPTIBILITY AND A YIELD STRENGTH OF 800MPa AND MANUFACTURE METHOD THEREOF
02/11/2010DE102008040689A1 Ball pivots or ball bushings, useful in ball joints for automobiles, are of special silicon- and aluminum-containing high-manganese steels requiring no inductive hardening
02/11/2010DE102006060994B4 Kugelzapfen und -hülsen aus nichtrostendem Stahl Ball pins and sleeves of stainless steel
02/11/2010CA2733658A1 Austenitic stainless steel, and hydrogenation method thereof
02/11/2010CA2731843A1 High strength cold rolled steel sheet excellent in weldability and method for manufacturing the same
02/11/2010CA2729790A1 High strength galvannealed steel sheet with excellent appearance and method for manufacturing the same
02/10/2010EP2151296A1 Uoe steel pipe and method for production thereof
02/10/2010EP1368504B1 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
02/10/2010CN101646797A High-strength hot-dip zinc-coated steel sheet
02/10/2010CN101646796A Ultra-thin cold-rolled steel sheet for building material and process for production of the same
02/10/2010CN101646795A Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same
02/10/2010CN101646794A High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same
02/10/2010CN101643888A Low welding crack sensitivity steel with tensile strength at 700MPa level and production method thereof
02/10/2010CN101643887A Super-thick high-level boat plate steel and production process thereof
02/10/2010CN101643886A Stainless steel for cutter and manufacture method thereof
02/10/2010CN101643885A Engineering steel with excellent lamellar tearing resisting performance and production method thereof
02/10/2010CN101643884A Mn13Cr2 wear-resistant alloy material
02/10/2010CN101643883A Steel for straight welding petroleum casing pipe with steel grades of N80, P110 and L80 and manufacture of casing pipe
02/10/2010CN101643882A Clean steel smelting method of anti-S steel oil well pipe
02/10/2010CN101643881A Method for producing oriented silicon steel bearing copper
02/10/2010CN101643880A High tensile strength hot rolled ferrite bainite dual phase steel and preparation method thereof
02/10/2010CN101643879A Wind power flange steel and production process thereof
02/10/2010CN101643878A Round steel with high strength and elongation rate
02/10/2010CN100588735C Nickel-saving type cobalt-free martensite aging ultrahigh strength steel
02/10/2010CN100588734C High-strength shipbuilding section and production method thereof
02/09/2010USRE41100 Heat resistant and corrosion resistant austenitic stainless steel alloy comprising 0.2-0.5 weight percent carbon, 2.0-10 weight percent manganese, 18.0-25.0 weight percent chromium, 12.0-20.0 weight percent nickel, and less than 0.01 weight percent sulfur; strength and ductility at high temperatures
02/09/2010US7658883 Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same
02/09/2010US7658807 contains C, Mn, Si, Al and Fe; high intensity for the alpha fibre
02/09/2010CA2566370C Corrosion-resistant exterior alloy for composite tubes
02/09/2010CA2521318C Controlled thermal expansion of welds to enhance toughness