Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2009
06/04/2009US20090142218 Lean austenitic stainless steel
06/04/2009US20090139615 Leaf spring material and manufacturing method thereof
06/04/2009US20090139611 Galvanized Steel Sheet and Method for Producing the Same
06/04/2009DE102007058222A1 Stahl für hochfeste Bauteile aus Bändern, Blechen oder Rohren mit ausgezeichneter Umformbarkeit und besonderer Eignung für Hochtemperatur-Beschichtungsverfahren Steel for high-strength components from strips, sheets or tubes with excellent formability and especially suitable for high-temperature coating process
06/04/2009DE102007056259A1 Laser welding or sintering procedure for producing three-dimensional workpieces e.g. molds and direct steel components, comprises applying steel powders on an underlay and then transferring into a welding phase by focused radiation
06/04/2009CA2707502A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles
06/04/2009CA2705265A1 Lean austenitic stainless steel
06/03/2009EP2065483A1 Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof
06/03/2009EP2065482A1 Works for enameling and enameled products
06/03/2009EP2065481A1 Fire-resistant steel excellent in high-temperature strength, toughness and reheat embrittlement resistance and process for production of the same
06/03/2009EP2065107A1 Method for producing a component with a hardened surface
06/03/2009EP2064361A1 Hard alloys with dry composition
06/03/2009EP2064360A2 Steel plate for producing light structures and method for producing said plate
06/03/2009EP1601801A4 Corrosion and wear resistant alloy
06/03/2009EP0825270B1 Bearing material
06/03/2009CN101448967A High-strength steel pipe with excellent unsusceptibility to strain aging for line piping, high-strength steel plate for line piping, and processes for producing these
06/03/2009CN101448966A Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
06/03/2009CN101447331A Sintered R-Fe-B permanent magnet and its production method
06/03/2009CN101445894A Large-specification high-intensity steel rod and production process
06/03/2009CN101445893A Controlled expansion coefficient alloy and manufacturing method thereof
06/03/2009CN101445892A High boron high-speed steel roll material
06/03/2009CN101445891A Guide tile for automotive air conditioner and preparation method thereof
06/03/2009CN101445890A Novel high-strength and low-magnetic steel
06/03/2009CN100494641C Steam turbine power plant
06/03/2009CN100494463C Tenacity excellent high intensity steel for welding heat influenced part
06/03/2009CN100494462C 110Ksi grade CO2 H2S corrosion-proof oil well pipe and manufacturing method
06/03/2009CN100494461C Alloy tool steel in multi-type super-fine carbonates
06/03/2009CN100494460C Leveler roll and manufacturing process thereof
06/03/2009CN100494459C Electric resistance alloy and its preparing process
06/03/2009CN100494458C Cone crusher bowl liner chemical composition control and thermal treatment process
06/03/2009CN100494457C Super-thick non-hardening plastic mold steel and method for manufacturing the same
06/03/2009CN100494456C High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties
06/03/2009CN100494455C Toughness excellent steel plate of welding heat influence part in ultra-high heat input welding
06/03/2009CN100494454C Nano-crystal soft-magnetic Fe44Co(43-x)Zr7B5Al(1+x) with high curie temperature
06/03/2009CN100494453C Low carbon easily cutting steel possessing good machinability and crumbliness
06/03/2009CN100494452C Corrosion resistance excellent steel for ship
06/03/2009CN100494451C Superhigh strength steel plate with yield strength more than 960Mpa and method for producing same
06/03/2009CN100494450C Hot rolled wire material, steel wire and method for production thereof
06/03/2009CN100494449C High strength cold rolled steel sheet having excellent shape freezability, and method for manufacturing the same
06/03/2009CN100494448C Tool steel for hot working, tool for hot working and plug for producing seamless pipe
06/02/2009US7540928 Process for manufacturing bake hardening steel sheet, and steel sheet and parts thus obtained
05/2009
05/30/2009CA2645390A1 Biofuel appliance venting system
05/28/2009WO2009066868A1 Low chrome ferritic stainless steel with high corrosion resistance and stretchability and method of manufacturing the same
05/28/2009WO2009066863A1 High strength and low yield ratio steel for structure having excellent low temperature toughness
05/28/2009WO2009066734A1 High-strength cold-rolled steel sheet
05/28/2009WO2009065432A1 High strength bainitic steel for octg applications
05/28/2009US20090136378 High-strength hot- rolled steel sheet with excellent combined formability
05/28/2009US20090134647 Pearlitic structure, containing carbon, silicon, manganese, phosphorus, niobium, nickel, molybdenum, vanadium and sulfur with the remainder of steel being iron; shelling resistance
05/28/2009US20090133785 Leaf spring material and manufacturing method thereof
05/27/2009EP2062991A1 Plated steel wire for pws excelling in torsion property and process for producing the same
05/27/2009EP2062988A1 High strength high carbon steel wire and method for manufacture thereof
05/27/2009EP2061914A1 Steel alloy, a holder or a holder detail for a plastic moulding tool, a tough hardened blank for a holder or holder detail, a process for producing a steel alloy
05/27/2009EP1158065B1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture
05/27/2009EP1157138B1 Cold rolled steel
05/27/2009CN101443479A Directional electromagnetic steel sheet having high tension insulating coating film and method for processing the insulating coating film
05/27/2009CN101443470A Bead wire having light weight and excellent drawability, method for production of the bead wire, and lightweight tire
05/27/2009CN101443469A Austenitic stainless steel and process for removing hydrogentherefrom
05/27/2009CN101443468A High cleanliness spring steel and high cleanliness spring having excellent fatigue property
05/27/2009CN101443467A High strength hot rolled sheet having excellent elongation property, stretch flange formability and tensile fatigue property, and method for producing the same
05/27/2009CN101443463A Steel for forging, process for producing the same, and forged article
05/27/2009CN101441916A Method for preparing nanometer iron silicon soft magnetic material
05/27/2009CN101441914A Amorphous soft magnetic alloy coatings and preparation method thereof
05/27/2009CN101440724A Roller member and method for producing the same
05/27/2009CN101440462A Economical long service life material for mechanical press forging die and manufacturing method thereof
05/27/2009CN101440461A Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof
05/27/2009CN101440460A Medium and high strength oil casing for resisting sulfurated hydrogen corrosion and manufacturing method thereof
05/27/2009CN101440459A Cast steel material for mine support and preparation thereof
05/27/2009CN101440458A High weather resistance steel
05/27/2009CN101440457A Yttrium-containing high-aluminum ferritic stainless steel for automobile exhaust system
05/27/2009CN101440456A Hot die steel with excellent heat resistance and high toughness
05/27/2009CN101440455A Spring steel and spring superior in fatigue properties
05/27/2009CN100491963C Long life fatigue strength design method for metallic material
05/27/2009CN100491576C Cold extruding die steel and heat treatment technique thereof
05/27/2009CN100491575C Welding heat influenced ductility-excellent high yield ratio high tension steel plate
05/27/2009CN100491574C C-Mn-Ti-Nb series hot-rolled high strength high magnetic induction performance steel and manufacturing method thereof
05/27/2009CN100491573C Microalloy cast steel in low carbon, and preparation method
05/27/2009CN100491571C Method for improving low-alloy high-strength steel structure and performance
05/27/2009CN100491559C Ferrotitanium-based hydrogen-storage alloy
05/26/2009US7537727 Low to medium carbon content and high ductility steel composition with a relatively low nickel content; high performance characteristics; lower production costs; thermally processing comprising normalizing, austenitizing, oil quenching and tempering; weldable bomb casings
05/26/2009CA2388398C Welded steel pipe having excellent hydroformability and method for making the same
05/26/2009CA2372388C Hot-rolled steel sheet, cold-rolled steel sheet and hot-dip galvanized steel sheet excellent in strain age hardening property, and manufacturing method thereof
05/22/2009WO2009064013A1 Process for production of common rails and partially strengthened common rails
05/22/2009WO2009063909A1 Method of heat-treating steel, process for producing machine part, and machine part
05/22/2009WO2009063690A1 Cold-work die steel and die
05/22/2009WO2009063660A1 Steel for steel pipes excellent in sour resistance and process for manufacturing the same
05/22/2009WO2008082134A9 Dual phase steel having superior deep drawing, and method for manufacturing of it
05/21/2009US20090129967 Forged austenitic stainless steel alloy components and method therefor
05/21/2009US20090126837 Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same
05/21/2009US20090126836 High Carbon Hot Rolled Steel Sheet and method for manufacturing same
05/21/2009US20090126834 Spring steel and spring superior in fatigue properties
05/20/2009EP2060650A1 Ferritic stainless steel material for automobile exhaust gas passage components
05/20/2009EP2060649A1 Spring steel and spring superior in fatigue properties
05/20/2009EP2060648A1 Structural member for automobile, two-wheel vehicle or railway vehicle excelling in shock absorption performance, shape fixability and flange portion cuttability and process for manufacturing the same
05/20/2009EP2060647A1 Steel for machine structure excelling in machinability and strength property
05/20/2009EP2060646A1 Stainless steel sheet for structural members excellent in impact -absorbing characteristics
05/20/2009EP2060645A1 Refractory steel material with excellent welded-joint toughness and process for producing the same
05/20/2009EP2060644A1 Martensitic stainless steel
05/20/2009EP2060643A1 Steel excelling in toughness at region affected by welding heat
05/20/2009EP2059624A1 Thin cast strip with controlled manganese and low oxygen levels and method for making same
05/20/2009EP2059623A1 Rustproof austenitic cast steel, method for production and use thereof