Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2011
09/21/2011CN102191428A Fe-Co based bulk permanent magnet alloy having high coercive force and preparation method thereof
09/21/2011CN102191427A Optimized method and process for applying hotwork die steel onto aluminum hub die
09/21/2011CN102191426A Stainless steel wire for welding and method for smelting steel for wire
09/21/2011CN102189377A Manufacture process of X100 steel-grade steel plate hot-press bend
09/21/2011CN102189262A Valve guide pipe
09/21/2011CN102189113A Alloy steel support roll of rolling mill and manufacturing process thereof
09/21/2011CN101892424B Medium carbon non-hardened and tempered steel for fractured connecting rod
09/21/2011CN101845582B Production method of high magnetic induction oriented silicon steel
09/21/2011CN101790595B Turbine rotor and process for production of turbine rotor
09/21/2011CN101784686B Ferritic stainless steel plate excellent in punchability and process for production of the same
09/21/2011CN101775559B Easily welded high-strength-and-toughness ship plate steel and production process
09/21/2011CN101768703B Grade X80 pipe line steel with low yield ratio and manufacturing method thereof
09/21/2011CN101745535B Method for producing 75Cr1 hot-rolled sheet steel
09/21/2011CN101724775B Prepration method for forming ZrO2 nanoparticles in molten steel
09/21/2011CN101705438B X70 hot-rolled steel coil for pipeline steel and manufacturing method thereof
09/21/2011CN101698926B Automobile beam steel and temperature control method thereof
09/21/2011CN101671797B High-phosphorous weather-proof steel cast-rolling thin strip with negative phosphorous segregation on surface and preparation method thereof
09/21/2011CN101654759B Magnetostrictive material and preparation method thereof
09/21/2011CN101613833B Ni-based alloy oil sleeve manufacturing method for high-acidity deep well
09/21/2011CN101545079B X80 hot rolled steel plate with good toughness, high strength and low tensile ratio and production method thereof
09/21/2011CN101532112B Steel plate for panel with excellent toughness in thickness direction of jug line energy welding heat infection part and manufacturing method thereof
09/21/2011CN101403076B Composite reinforced high-ductility ultrahigh-strength secondary hardening steel
09/21/2011CN101376954B Corrosion resistant, antibacterial nickel-saving austenitic stainless steel and production method thereof
09/21/2011CN101376951B High strength wire rod for bridge stay cable and suspended cable galvanized steel wire, and manufacturing method thereof
09/21/2011CN101346485B Steel part with surface layer of fine grain and process for producing the same
09/21/2011CN101341271B Rolled austenite stainless steel plate having thichkess of 100 mm or more and method for production thereof
09/21/2011CN101341269B High-strength steel plate with superior crack arrestability
09/15/2011WO2011111873A1 High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor
09/15/2011WO2011111872A1 High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor
09/15/2011WO2011111871A1 Highly oxidation-resistant ferrite stainless steel plate, highly heat-resistant ferrite stainless steel plate, and manufacturing method therefor
09/15/2011WO2011111862A1 Method for producing oriented electrical steel sheets
09/15/2011WO2011111858A1 Method for continuously casting steel and process for producing steel sheet
09/15/2011WO2011111758A1 High-strength hot-rolled steel plate and manufacturing method therefor
09/15/2011WO2011111646A1 Ferritic stainless steel having excellent corrosion resistance in condensed water environment produced by exhaust gas from hydrocarbon combustion
09/15/2011WO2011111623A1 Solid stabilizer, steel material for solid stabilizer and method for producing solid stabilizer
09/15/2011WO2011111491A1 Steam turbine member
09/15/2011WO2011111333A1 High-strength pressed member and method for producing same
09/15/2011WO2011111332A1 Method for producing high-strength steel sheet
09/15/2011WO2011111330A1 High-strength steel sheet and method for producing same
09/15/2011WO2011111269A1 Carburized steel component having excellent low-cycle bending fatigue strength
09/15/2011WO2011109881A1 Steel for extrusion tools
09/15/2011US20110223441 Very high mechanical strength steel and method for producing a sheet of this steel coated with zinc or zinc alloy
09/15/2011US20110220252 Dual-phase steel, flat product made of such a dual-phase steel and process for the production of a flat product
09/15/2011CA2792615A1 Tool steel for extrusion
09/15/2011CA2792535A1 High-strength hot-rolled steel sheet and method of manufacturing the same
09/14/2011EP2365103A1 High-strength steel machined product and method for manufacturing the same, and method for manufacturing diesel engine fuel injection pipe and common rail
09/14/2011EP2364379A1 Low alloy steel with a high yield strength and high sulphide stress cracking resistance
09/14/2011EP1836327B1 High-strength four-phase steel alloys
09/14/2011EP1605073B1 Use of an austenitic stainless steel
09/14/2011EP1412549B1 Bundle drawn stainless steel fibers
09/14/2011CN1985016B High-strength hot-dip galvanized steel sheet and method for producing the same
09/14/2011CN102187006A Ultrahigh strength hot dip galvanized steel sheet having martensitic structure as matrix, and manufacturing method thereof
09/14/2011CN102181822A Antibacterial stainless steel with copper-cerium-containing surface, and application and preparation process thereof
09/14/2011CN102181807A Steel for nuclear power pressure equipment at temperature of -50 DEG C and manufacturing method thereof
09/14/2011CN102181806A Thick chromium-molybdenum steel plate for hydrogenation equipment and production method thereof
09/14/2011CN102181805A Steel plate and method thereof used for producing water heater linear enamel by flexible thin slab rolling line
09/14/2011CN102181804A Steel plate for Class I nuclear key equipment and manufacturing method thereof
09/14/2011CN102181803A Fe-14Mn-6Si-9Cr-5Ni-Nb wear resistant alloy and preparation method thereof
09/14/2011CN102181802A Preparation method of easy welding high strength toughness X80 pipe line steel for magnesium treatment
09/14/2011CN102181801A High-weldability fine-grain low-alloy structural steel plate and production method thereof
09/14/2011CN102181800A Fire-resistant seamless steel pipe for building and machining method thereof
09/14/2011CN102181799A Press roll for pressing secondary battery electrode and producing process thereof
09/14/2011CN102181798A Processing method of high yield ratio and high plasticity steel product for prestressed concrete
09/14/2011CN102181797A Method for processing steel strand for prestressed concrete
09/14/2011CN102181796A Production method of X70 hot-rolled medium plate for submerged pipeline
09/14/2011CN102181795A Superhigh-strength armour plate and manufacturing process thereof
09/14/2011CN102181794A Hardening and tempering high-strength steel plate for wood based panel equipment and production method of tempering high-strength steel plate
09/14/2011CN102181793A Process for manufacturing steel forge piece of vertical conveying pipe of deep sea oil extraction equipment
09/14/2011CN102181792A Low-cost high-strength high-toughness shock-proof refractory steel and preparation technique thereof
09/14/2011CN102181791A In-situ TiC dispersion-strengthened austenitic heat-resistant steel and preparation method thereof
09/14/2011CN102181790A Steel with 1,300MPa-level tensile strength for automobile safety piece and production method thereof
09/14/2011CN102181789A Refractory steel material for supercritical turbine blade and preparation method thereof
09/14/2011CN102181788A Ultra-high strength steel with yield strength level of 1100MPa-1200MPa and production method of steel
09/14/2011CN102181787A Refractory corrosion-resisting steel as well as preparation and heat treatment method thereof
09/14/2011CN102181786A Coil rod used for 1670MPa level bridge cable zinc-coated wire and preparation method of coil rod
09/14/2011CN102181785A HIC-resistant heat resistant steel in iron element system and preparation process thereof
09/14/2011CN102181784A Method for preparing 610 MPa thick steel plate with high strength and high tenacity
09/14/2011CN102181781A Granular metallic iron
09/14/2011CN102181776A Technique and device for producing high-grade nickel and stainless steel by reduction pelletization
09/14/2011CN102181775A Method for mechanically homodispersing iron 15 copper-6.5 nickel-plated graphite semisolid slurry
09/14/2011CN102181774A Method for mechanically homodispersing iron 15 copper-3.5 boron nitride semisolid slurry
09/14/2011CN102181773A Uniform dispersion method for boron nitride particles in semisolid slurry consisting of 14.475 weight percent of copper, 82.025 weight percent of ferrum and 3.5 weight percent of boron nitride particles
09/14/2011CN102181772A Method for homodispersing graphite particles in iron 15 copper-3 graphite graphite semisolid slurry
09/14/2011CN102181771A Mechanical homodisperse method for ferrum 15 copper-5 alumina semi-solid slurry
09/14/2011CN102181770A Method for homodispersing aluminum oxide particles in iron 15 copper-5 aluminum oxide semisolid slurry
09/14/2011CN102181755A Low calcium-aluminum-manganese-iron alloy and preparation method thereof
09/14/2011CN102181705A Uniform dispersion method for nickel coated graphite particles in semisolid slurry consisting of 14.025 weight percent of copper, 79.475 weight percent of ferrum and 6.5 weight percent of nickel coated graphite
09/14/2011CN102181677A Hard alloy and preparation method thereof
09/14/2011CN101775544B Rolling method of sulfuric acid dew point corrosion-resistant steel KNS
09/14/2011CN101724778B Steel for automobile beam and with yield strength more than 500 MPa and manufacturing method thereof
09/14/2011CN101688275B Steel for mechanical structure excelling in machinability and process for producing the same
09/14/2011CN101655318B Feed inlet of circular cooler
09/14/2011CN101634238B Temperature-pressure-die wall lubrication valve seat containing rare earth powder metallurgy and manufacturing method thereof
09/14/2011CN101381840B Wire rod having excellent wire drawability and its production method
09/14/2011CN101346483B Thick steel plate for welded structure having excellent strength and toughness in central region of thickness and small variation of properties through thickness and method of producing the same
09/14/2011CN101250672B Ferritic stainless steel for automobile exhaust gas passage components and welded steel pipe
09/13/2011US8017071 Corrosion-resistant, cold-formable, machinable, high strength, martensitic stainless steel
09/13/2011US8016954 Ultratough high-strength weldable plate steel and method of manufacture thereof
09/13/2011US8016953 High-strength steel material with excellent hydrogen embrittlement resistance
09/13/2011US8016021 Casting steel strip with low surface roughness and low porosity