Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
02/2009
02/05/2009WO2009017256A1 High-strength steel sheet
02/05/2009WO2009017246A1 Al-plated steel sheet for exhaust gas passageway members of motorcycles excellent in high-temperature strength and members
02/05/2009WO2009017245A1 Al-plated steel sheet for exhaust gas passageway members of motorcycles and members
02/05/2009WO2009017177A1 Hot-rolled shape steel for ships and process for manufacturing the same
02/05/2009WO2009016881A1 High-strength steel sheet excellent in bendability and fatigue strength
02/05/2009WO2009016815A1 R-Fe-B RARE EARTH SINTERED MAGNET
02/05/2009US20090035852 Stable Atomic Quantum Clusters, Production Method Thereof and Use of Same
02/05/2009US20090035602 High-strength steel with excellent unsusceptibility to hydrogen embrittlement
02/05/2009US20090035170 R-t-b type alloy and production method thereof, fine powder for r-t-b type rare earth permanent magnet, and r-t-b type rare earth permanent magnet
02/05/2009US20090032246 Oil country tubular good for expansion in well and duplex stainless steel used for oil country tubular good for expansion
02/05/2009US20090032150 Oil country tubular good for expansion in well and manufacturing method thereof
02/05/2009US20090032149 High-strength steel tube and heat treatment method of heat-treating the same
02/05/2009US20090032148 High-strength hot-rolled steel sheet excellent in chemical treatability
02/05/2009CA2697138A1 Al-plated steel sheet for exhaust gas passageway members of motorcycles excellent in high-temperature strength and the members
02/05/2009CA2694052A1 High hardness, high toughness iron-base alloys and methods for making same
02/05/2009CA2693836A1 Al-plated steel sheet for exhaust gas passageway members of motorcycles and the members
02/05/2009CA2693489A1 High-strength steel sheet
02/04/2009EP2020662A2 Assembly and method for magnetization of permanent magnet rotors in electrical machines
02/04/2009EP2020451A1 Method of manufacturing sheets of steel with high levels of strength and ductility, and sheets produced using same
02/04/2009CN101358323A Seamless steel tube for 27SiMnB steel, cylinder and production method thereof
02/04/2009CN101358322A Material for preparing high pressure U shape tube
02/04/2009CN101358321A HG20 back material steel for high strength and toughness bimetallic strip saw blade
02/04/2009CN101358320A Steel for controlled rolling and controlled cooling platform and production method thereof
02/04/2009CN101358319A Low carbonaceous steel plate for 610MPa grade high strength pressure vessels and production method thereof
02/04/2009CN101358318A Ingredient design of good combination property and non-oriented electrical steel and preparation method
02/04/2009CN101358317A Method for preparing high silicium calcareous non-oriented electrical steel
02/04/2009CN101358316A Steel of large-sized high-pressure pipe member for oil gas conveying, steel pipe pipe fitting and weld material prepared by thereof
02/04/2009CN101358273A Method for producing low-temperature oriented electrical steels
02/04/2009CN101358272A Method for preparing high grade non-oriented electrical steel adding rare earth cerium
02/04/2009CN100457953C Duplex stainless steel alloy for use in seawater applications
02/04/2009CN100457952C Casting high speed steel cutter and preparation method thereof
02/04/2009CN100457951C High-nitrogen nickel-free bidirectional stainless steel alloy material and manufacture method thereof
02/04/2009CN100457950C Rare earth modified ferroalloy in use for producing sanitary water-treater, and production method and application
02/04/2009CN100457385C Method for manufacturing electromagnetic pure iron cold-rolled sheet material with low coercive force and high magnetoconductivity
02/04/2009CN100457329C Magnetic metal particle aggregate
02/04/2009CN100457221C Golf club with high-specific-weight and low-gravity-center base plate and production method thereof
02/03/2009US7485378 Magnetic thin film head
02/03/2009US7485197 Method for manufacturing martensitic stainless steel tube
02/03/2009US7485196 Steel product with a high austenite grain coarsening temperature
02/03/2009US7485195 High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same
02/03/2009US7485194 By properly adjusting components steel is obtained with a dual phase microstructure mainly composed of ferrite and martensite to lower the mechanical characteristics, particularly the yield ratio; small arithmetic mean roughness; no die-galling occurs during press forming
02/03/2009US7485193 R-FE-B based rare earth permanent magnet material
02/03/2009US7484550 Casting steel strip
02/03/2009CA2279120C Composite wire containing a carbon-based steel core and a stainless steel external layer
01/2009
01/29/2009WO2009014238A1 Steel pipes excellent in deformation characteristics and process for manufacturing the same
01/29/2009WO2009014001A1 Process for production of duplex stainless steel tubes
01/29/2009WO2009014000A1 Process for production of high alloy steel tubes
01/29/2009WO2008044859A9 Steel wire rod for high strength and high toughness spring having excellent cold workability, method for producing the same and method for producing spring by using the same
01/29/2009WO2007144516A9 Duplex stainless steel
01/29/2009US20090025839 High tensile strength, refractory steel having excellent weldability and gas cuttability and method for producing same
01/29/2009US20090025838 Cold-rolled steel sheet, method of producing the same, battery, and method of producing the same
01/29/2009US20090025836 Method Of Producing A Part With Very High Mechanical Properties From A Rolled Coated Sheet
01/29/2009US20090025835 High Strength Steel Plate and High Strength Welded Pipe Excellent in Ductile Fracture Characteristic and Methods of Production of Same
01/29/2009US20090025832 Spring wire rod excelling in fatigue characteristics
01/29/2009US20090025831 Hot-dip galvanized steel sheet and galvannealed steel sheet
01/29/2009DE102007035774A1 Weichmagnetische Legierung auf Eisen-Kobalt-Basis sowie Verfahren zu deren Herstellung Soft magnetic alloy of iron-cobalt-base, and processes for their preparation
01/29/2009DE102007035773A1 Weichmagnetische Legierung auf Eisen-Kobalt-Chrom-Basis sowie Verfahren zu deren Herstellung Soft magnetic alloy of iron-cobalt-chromium-base as well as processes for their preparation
01/28/2009CN101356295A Steel sheet for continuous cast enameling with highly excellent unsusceptibility to fishscaling and process for producing the same
01/28/2009CN101356030A Apparatus for manufacturing alloy and rare earth element alloy
01/28/2009CN101353949A Heat-treatment method of small diameter high steel level oil conduit
01/28/2009CN101353948A 25Mn2 small diameter oil conduit for waste oil well secondary development and its processing method
01/28/2009CN101353770A High strength stainless gear steel and preparation thereof
01/28/2009CN101353769A Chromium 23 nickel 6 ferrite-austenitic stainless steel pipe and fabrication process thereof
01/28/2009CN101353768A Nitrogen-containing nickel-free stainless steel and metallurgy forming process for powder thereof
01/28/2009CN101353767A Spring wire rod excelling in fatigue characteristics
01/28/2009CN101353766A Grooving corrosion resistant high strength steel for ERW soldering sleeve, sleeve and production method
01/28/2009CN101353765A Steel for CT80 grade coiled tubing, and manufacturing method and use thereof
01/28/2009CN101353764A Microalloying high strength wire rod
01/28/2009CN101353763A High hardness wear resistant hot-rolled strip steel and manufacturing method thereof
01/28/2009CN101353762A Silver copper composite deep punch type ferrite antibiotic stainless steel, steel plate and manufacturing method thereof
01/28/2009CN101353761A TRIP steel plate for high strength cold rolling hot dip galvanizing and preparation thereof
01/28/2009CN101353760A High magnetic induction grain-oriented silicon steel and production method thereof
01/28/2009CN101353759A Low crack sensitivity steel plate having 550Mpa grade of yield strength and manufacturing method thereof
01/28/2009CN101353758A Hot rolling high strength steel plate for two-sided porcelain enamel and manufacturing method thereof
01/28/2009CN101353757A Hot rolling high reaming steel plate having 440MPa grade of tensile strength and manufacturing method thereof
01/28/2009CN101353756A Cold rolling high strength steel plate for porcelain enamel and manufacturing method thereof
01/28/2009CN101353755A High tensile strength substrate, hot dip galvanizing automobile exterior panel and manufacturing method thereof
01/28/2009CN101353754A Steel for internal magnetic shield and manufacturing method thereof
01/28/2009CN101353753A Ultra-low carbon high-purity industrial pure iron and manufacturing method thereof
01/28/2009CN101352946A Hot-dip aluminizing zincium steel plate/belt for deep drawing and method for producing the same
01/28/2009CN101352748A Method for producing reinforced bar with anchoring section
01/28/2009CN101352724A Method for producing boron-containing non-quenching and tempering plastic mold steel
01/28/2009CN101352723A Medium plate flexible rolling method
01/28/2009CN100455834C Method for mfg of inner and outer race ring of bearing and radial bearing
01/28/2009CN100455698C Surface-carbonitrided stainless steel parts excellent in wear resistance and method for their manufacture
01/28/2009CN100455692C High-strength weathering steel and method of manufacturing same
01/28/2009CN100455691C High strength spring steel wire with excellent coiling properties and hydrogen embrittlement resistance
01/28/2009CN100455690C Oriented silicon steel based on thin slab continuous casting and rolling and its manufacturing method
01/28/2009CN100455689C Niobium, vanadium composite micro-alloying low-carbon boron steel for cold heading and production method thereof
01/27/2009US7481897 High toughness at low temperatures and yields plastically more than about 5% before fracturing at temperatures down to about -40 degrees C.; billet
01/27/2009CA2493523C High strength steel sheet and method for manufacturing same
01/27/2009CA2287461C Steel for steel sheets excellent in workability and method of deoxidizing same
01/22/2009WO2008142275A3 Microalloyed steel with good resistance to hydrogen for the cold-forming of machine parts having high properties
01/22/2009US20090023506 Induction hardened hollow driving shaft
01/22/2009US20090022636 High al-content steel sheet excellent in workability and method of production of same
01/22/2009US20090022619 Steel plate for submerged arc welding
01/22/2009US20090022618 Damping Alloy Steel Sheet and Method for Producing the Same
01/22/2009US20090022617 Low-nickel austenitic stainless steel and method for producing same
01/22/2009US20090020196 Cold Rolled Steel Sheet Having Aging Resistance and Superior Formability, and Process for Producing the Same
01/22/2009US20090020195 High Strength Spring Steel Wire and High Strength Spring and Methods of Production of the Same