Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2011
11/16/2011EP2271460B1 Iron-chromium based brazing filler metal
11/16/2011EP1303861B1 Bulk metal magnetic component
11/16/2011CN102245793A Constituent member of bearing, process for production of same, and ball-and-roller bearing provided with the constituent member
11/16/2011CN102245791A Low-carbon sulphur free-cutting steel
11/16/2011CN102245790A Low alloy steel with a high yield strength and high sulphide stress cracking resistance
11/16/2011CN102245789A High-purity ferritic stainless steel having excellent corrosion resistance, and method for producing same
11/16/2011CN102243122A Pillow type tension transducer
11/16/2011CN102242779A Outer cone ring of heavy truck gear box synchronizer and manufacturing process thereof
11/16/2011CN102242323A X80 steel, low-temperature-resistant pipe fitting manufactured from X80 steel and manufacturing method of pipe fitting
11/16/2011CN102242322A Improved 40CrNiMo steel and preparation method thereof
11/16/2011CN102242321A Sulfide stress cracking (SSC) corrosion-resistant C110 steel grade petroleum special pipe steel and preparation method thereof
11/16/2011CN102242320A Super-hard copper-containing martensite antibiotic stainless steel
11/16/2011CN102242319A Formula of chromium-based tungsten nickel molybdenum highly wear-resistant alloy
11/16/2011CN102242318A Cast steel matrix for process for preparing forging mould through double-layer build-up welding and preparation method thereof
11/16/2011CN102242317A Multielement alloyed impact-fatigue-resistant wear-resistant steel
11/16/2011CN102242316A H13 die steel and preparation method thereof
11/16/2011CN102242315A Oxide metallurgy method for refining structure of wheel steel
11/16/2011CN102242314A Multiple alloy toughened and wear-resistant middle-manganese steel and preparation technology thereof
11/16/2011CN102242313A High-hardness silver-bearing martensite antibacterial stainless steel
11/16/2011CN102242312A Ferrous seal sliding part and producing method thereof
11/16/2011CN102242311A Crack initiation steel pipe for full-scale gas bursting test of large-diameter high-grade steel gas pipeline and preparation method thereof
11/16/2011CN102242310A Precoating steel plate for building structure and production method thereof
11/16/2011CN102242309A Production method of boron-containing petroleum storage tank steel plate for ultra-high heat input welding
11/16/2011CN102242308A Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
11/16/2011CN102242307A Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
11/16/2011CN102242306A Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
11/16/2011CN102240802A Metallic magnetic powder and manufacturing method of the same, magnetic painting, magnetic powder for magnetic therapy, and magnetic recording medium
11/16/2011CN101923941B Low-noise transformer core for inverter power supply
11/16/2011CN101899629B Abrasion-resistant alloy cast steel and manufacturing equipment thereof
11/16/2011CN101899628B Abrasion-resistant alloy cast steel and manufacturing method thereof
11/16/2011CN101899551B Heat treatment technology of wear-resistant alloy cast steel
11/16/2011CN101880820B Steel-aluminum compound hot rolled steel with tensile strength of 310MPa and production method thereof
11/16/2011CN101818300B Production method of steel for cold heading blind rivets
11/16/2011CN101800108B Preparing method of high-plasticity corrosion-resistance semihard magnetic alloy thin strip
11/16/2011CN101798656B Method for producing 50CrV4 hot-rolled sheets
11/16/2011CN101768695B Preparation method of Ti microalloyed ultra-fine grained cold rolling dual-phase steel of 1,000MPa level
11/16/2011CN101713054B Large thickness steel plate for hydrogenation reaction chamber reeling equipment and production method thereof
11/16/2011CN101713051B Hydrogen steel plate with thickness of 100mm and preparation method thereof
11/16/2011CN101701316B Automobile beam steel with tensile strength of 590MPa and manufacturing method thereof
11/16/2011CN101680065B Ferrite heat resistant steel
11/16/2011CN101657557B Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof
11/16/2011CN101624684B Carburizing bainite steel and manufacturing method thereof
11/16/2011CN101563476B Steel plate for producing light structures and method for producing said plate
11/16/2011CN101497965B Steel for cutting edge of shovel of loader and digger and production method thereof
11/16/2011CN101490298B Stainless steel sheet for parts and process for manufacturing the same
11/16/2011CN101410541B Steel for machine structure excelling in machinability and strength property
11/16/2011CN101346482B Carbon steel sheet superior in formability and manufacturing method thereof
11/16/2011CN101238227B Method for producing a grain-oriented electrical steel strip
11/15/2011US8057737 Forging steel and its manufacturing method, and forged parts
11/15/2011CA2617879C Method of producing high-strength steel plates with excellent ductility and plates thus produced
11/15/2011CA2581251C High strength part and method of production of the same
11/10/2011WO2011139117A2 High-strength and high-toughness ultrafine wire rod and method for producing same
11/10/2011WO2011138503A1 Low-nickel austenitic stainless steel and use of the steel
11/10/2011WO2011081393A3 Austenite steel material having superior ductility
11/10/2011WO2011081349A3 High strength steel sheet having excellent brittle crack resistance and method for manufacturing same
11/10/2011US20110274578 Steel for surface hardening for machine structural use and part for machine structural use
11/10/2011US20110274577 Compaction methods
11/10/2011US20110273054 Electrical steel, a motor, and a method for manufacture of electrical steel with high strength and low electrical losses
11/09/2011EP2385149A1 Steel material for welding and method for producing same
11/09/2011EP2385147A2 An electrical steel, a motor, and a method for manufacture of electrical steel with high strenght and low electrical losses
11/09/2011EP1547974B1 Iron silicide powder and method for production thereof
11/09/2011EP1413634B1 Method of producing high cr-based seamless steel tube
11/09/2011CN202030814U Ferronickel refining system
11/09/2011CN102239593A Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using the same
11/09/2011CN102239273A Carbonitrided member and process for producing carbonitrided member
11/09/2011CN102235443A Powder metallurgy synchronizer conical ring
11/09/2011CN102234745A Novel high-temperature abrasion-resistant alloy and preparation process thereof
11/09/2011CN102234744A Ultra-pure alloy and method for manufacturing turbine rotor forging by using same
11/09/2011CN102234743A Low carbon martensite steel plate and production method
11/09/2011CN102234742A Steel plate for longitudinal welded pipe and manufacturing method thereof
11/09/2011CN102234741A Low-Ni-containing austenitic antimicrobial stainless steel and manufacturing method thereof
11/09/2011CN102234740A Ferrite stainless steel and manufacturing method of ferrite stainless steel cold-rolled sheet made therefrom
11/09/2011CN102234739A Anti-infection medical stainless steel
11/09/2011CN102234738A Ferrite stainless steel for buildings and preparation method thereof
11/09/2011CN102234737A Copper-containing ferritic antibacterial stainless steel and method for manufacturing cold-rolled sheet of copper-containing ferritic antibacterial stainless steel
11/09/2011CN102234736A Secondary cold-rolled high-hardness stamping steel with high isotropy and manufacturing method thereof
11/09/2011CN102234733A Material for cast aluminum water distributor
11/09/2011CN102234706A Method for refining grains of heavy forging steel of nuclear reactor evaporator
11/09/2011CN102233428A Method for preparing bulk sintered Nd-Fe-B permanent magnet material
11/09/2011CN102233425A Powder metallurgy formula and process
11/09/2011CN101857946B Abrasion-resistant cast steel material
11/09/2011CN101503579B Preparation of surface load magnetic alloy particle carbon nano-tube composite material
11/09/2011CN101443467B High strength hot rolled sheet having excellent elongation property, stretch flange formability and tensile fatigue property, and method for producing the same
11/09/2011CN101426943B Plated steel wire for PWS excelling in torsion property and process for producing the same
11/08/2011US8052925 Low carbon resulfurized free-machining steel having high machinability
11/08/2011US8052924 High strength steel plate with high manganese having excellent burring workability
11/08/2011US8052812 Method of manufacturing high carbon cold-rolled steel sheet
11/08/2011US8052808 High strength hot rolled steel sheet with excellent press workability and method of manufacturing the same
11/08/2011US8052807 Steel sheet excellent in workability
11/08/2011CA2390808C High tensile strength hot-dipped steel sheet and method or producing the same
11/04/2011CA2735743A1 An electrical steel, a motor, and a method for manufacture of electrical steel with high strength and low electrical losses
11/03/2011WO2011136724A1 Ferritic stainless steel, with high and stable grain refining potency, and its production method.
11/03/2011WO2011136175A1 High-strength stainless steel for oil well and high-strength stainless steel pipe for oil well
11/03/2011WO2011135997A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same
11/03/2011WO2011135897A1 Free-cutting stainless-steel material for precision processing and process for producing same
11/03/2011WO2011135700A1 Hot rolled dual phase steel sheet having excellent dynamic strength, and method for producing same
11/03/2011WO2011135485A1 A method and apparatus for making low phosphorous iron
11/03/2011WO2011135170A1 Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability
11/03/2011WO2011068328A3 Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof
11/03/2011US20110269555 Outer member of constant speed universal joint