Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
07/2009
07/08/2009CN101476088A R17Cr1Ni3Mo steel for nuclear pressure vessel and preparation thereof
07/08/2009CN101476087A Fluidized bed furnace central drum alloy and production method thereof
07/08/2009CN101476086A Economic steel for plastic cavity die and manufacturing method thereof
07/08/2009CN101476085A Method for foundry production of ultra-supercritical main steam control valve for nuclear power unit
07/08/2009CN101476084A High temperature alloy
07/08/2009CN101476083A Tool bit for machining titanium alloy
07/08/2009CN101476082A High performance low cost hot work die steel
07/08/2009CN101476081A 100mm and 400MPa grade high strength special heavy plate and manufacturing method thereof
07/08/2009CN101476080A Low welding crack sensitivity, quenching and tempering, high rigid plate and manufacturing method thereof
07/08/2009CN101476079A High specific resistance magnetic striction composite material and preparation
07/08/2009CN100510149C Chromium steel series high speed steel and heat treatment technique thereof
07/08/2009CN100510148C High heat-intensity hot-work die steel material
07/08/2009CN100510147C Wiring product of duplex-phase stainless steel alloy and use thereof
07/08/2009CN100510146C Spring steel with excellent resistance to hydrogen embrittlement and steel wire and spring obtained from the steel
07/08/2009CN100510145C Ca plus RE composite modified high strong weathering steel and preparation method thereof
07/08/2009CN100510144C Steel for extended automobile crossbeam and manufacturing method thereof
07/08/2009CN100510143C High strength steel sheet with excellent extending flange property
07/08/2009CN100510142C High strength bolt having excellent hydrogen embrittlement resistance
07/08/2009CN100510141C Ultrahigh-strength steel sheet superior in hydrogen-embrittlement resistance
07/08/2009CN100510140C Martensitic stainless steel pipe for oil well
07/08/2009CN100510116C Method for producing a steel product
07/07/2009CA2542828C Method for manufacturing galvannealed steel sheet
07/07/2009CA2500108C Hot-rolled wire rod, excellent in wire drawability, allowing heat treatment prior to wire drawing to be omitted
07/07/2009CA2267564C Method of manufacturing microalloyed structural steel
07/02/2009WO2009082501A1 Corrosion resistant lean austenitic stainless steel
07/02/2009WO2009082498A1 Austenitic stainless steel low in nickel containing stabilizing elements
07/02/2009WO2009082328A1 High speed steel
07/02/2009WO2009082156A1 Steel for welding structure having welded joint with superior ctod properties in weld heat affected zone
07/02/2009WO2009082149A2 High strength cold-rolled steel sheet having excellent weather resistance and method manufacturing the same
07/02/2009WO2009082091A1 Hot rolled steel sheet having superior hot press forming property and high tensile strength, formed article using the steel sheet and method for manufacturing the steel sheet and the formed article
07/02/2009WO2009082078A1 High strength cold rolled steel plate and galvanized steel plate with superior workability and method for manufacturing thereof
07/02/2009WO2009081997A1 Processes for producing high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet
07/02/2009WO2009080714A1 Corrosion resistant steel for marine applications
07/02/2009WO2009079873A1 A special alloy needle cannula and needle for animals using the needle cannula
07/02/2009WO2009079872A1 A super alloy needle cannula and needle for animals using the needle cannula
07/02/2009WO2009044297A3 Steels for sour service environments
07/02/2009WO2009029953A3 Magnetic material with large magnetic-field-induced deformation
07/02/2009US20090169414 Low-carbon sulfur-containing free-cutting steel with excellent cuttability
07/02/2009US20090169413 Process for Recycling of Steel Industry Iron Bearing By-Products, Pellet Obtained in that Process and Use Thereof
07/02/2009US20090165905 Ferritic Stainless Steel Sheet Excellent in Press Formability and Secondary Formability and its Manufacturing Method
07/02/2009US20090165897 Austenitic steel having high strength and formability, method of producing said steel and use thereof
07/02/2009CA2708177A1 Corrosion resistant steel for marine applications
07/02/2009CA2706478A1 Corrosion resistant lean austenitic stainless steel
07/02/2009CA2706473A1 Austenitic stainless steel low in nickel containing stabilizing elements
07/01/2009EP2006925A9 Thermoelectric material
07/01/2009EP1730317B1 A method for producing high-carbon steel rails excellent in wear resistance and ductility
07/01/2009CN101469393A Iron based sintered alloy for sliding component
07/01/2009CN101469392A High wear resistance alloy for slitting roller and manufacturing method thereof
07/01/2009CN101469391A Ni-containing stainless steel smelting method
07/01/2009CN101469390A Wear resistant steel cast and method for manufacturing the same
07/01/2009CN101469389A Metal ball for rolling element
07/01/2009CN100508081C R-T-B based permanent magnet
07/01/2009CN100507061C High collapse-resistance and hydrogen sulphide-corrosion-resistant low alloy petroleum case pipe and method of manufacturing the same
07/01/2009CN100507060C Disk shearing blade and method for manufacturing the same
07/01/2009CN100507059C High-strength toughness steel for continuous sucker rod and method for manufacturing same
07/01/2009CN100507058C Steel for high-strength 13Cr oil sleeve and manufacturing method thereof
07/01/2009CN100507057C Cast steel for oil-well rig hoisting system and manufacturing method thereof
07/01/2009CN100507056C 110 steel grade CO2 and drop sulfuretted hydrogen corrosion-proof stainless steel oil well-pipe
07/01/2009CN100507055C Yield strength 700MPa grade atmospheric corrosion resistant steel and method for manufacturing same
07/01/2009CN100507054C Corrosion-resistance good-extensibility low-nickel austenitic stainless steel
07/01/2009CN100507053C 800MPa cold rolled and hot zinc plated double phase steel and its producing method
07/01/2009CN100507052C 110 steel grade carbon dioxide and chloride ion corrosion-proof oil well-pipe steel
07/01/2009CN100507051C Strengthened ferrite series heat-resistant steel with nano precipitated phase and manufacturing method thereof
07/01/2009CN100507050C Low-yield-ratio straight welding oil annular tube steel and manufacturing method thereof
07/01/2009CN100507049C Iron-based rare-earth-containing nanocomposite magnet and process for producing the same
07/01/2009CN100507048C Ferritic stainless steel for solid polymer fuel cell separator and solid polymer fuel cell
06/2009
06/30/2009US7553445 Forming a mixed powder of copper or copper alloy and iron powder of specified surface area and particle size into a green compact, and sintering to obtain a porous alloy
06/30/2009US7553380 The matrix phase contains tempered martensite, tempered martensite and ferrite, tempered bainite, or tempered bainite and ferrite, and the second phase comprises 1 to 30% of martensite at an area ratio based on the entire structure; excellent bake hardening property and stretch flange formability
06/30/2009CA2403830C High-workability steel pipe and method of producing same
06/30/2009CA2377782C Low-carbon steels of superior mechanical and corrosion properties
06/25/2009WO2009078663A1 Austenitic stainless steel for high vacuum and high purity gas tube application
06/25/2009WO2009078261A1 Steel sheets and process for manufacturing the same
06/25/2009US20090162241 Formable sintered alloy with dispersed hard phase
06/25/2009US20090162240 Brake disk having high temper softening resistance
06/25/2009US20090162239 Martensitic stainless steel
06/25/2009US20090162238 Corrosion resistant lean austenitic stainless steel
06/25/2009US20090162237 Lean austenitic stainless steel containing stabilizing elements
06/25/2009US20090159602 Austenitic High Mn Stainless Steel for High Pressure Hydrogen Gas
06/25/2009US20090158889 Weld Joint Formed with Stainless Steel-Based Weld Metal for Welding a Zinc-Based Alloy Coated Steel Sheet
06/24/2009EP2072631A1 Austenitic stainless steel sheet and method for obtaining this sheet
06/24/2009EP2072630A1 Corrosion resistant steel for marine applications
06/24/2009CN101466859A Steel compositions for special uses
06/24/2009CN101463452A Iron based high temperature self-lubricating composite material and its preparation
06/24/2009CN101463451A Novel corrosion resistant antiwear metallic material
06/24/2009CN101463450A Multicomponent microalloy metal mold casting grinding ball and production method thereof
06/24/2009CN101463449A 640-800Mpa high strength steel for engineering machinery and production method thereof
06/24/2009CN101463448A High magnetic strength non-oriented electrical steel and production method thereof
06/24/2009CN101463447A Method for producing oriented silicon steel by heating low temperature casting blank
06/24/2009CN100503871C Ferroalloy
06/24/2009CN100503870C Corrosion resisting alloy with higher density and high strength
06/24/2009CN100503869C Roller for polishing bright sheet and its production method
06/24/2009CN100503868C High tension steel plate of good material less anisotropic low temperature toughness
06/24/2009CN100503867C Petroleum drilling machine winch brake hub material and preparation method thereof
06/24/2009CN100503866C Steel having improved toughness in welding heat-affected zone and its production
06/24/2009CN100503865C Clean steel manufacturing method
06/24/2009CN100503864C Method for medium sized or thin plate blank continuous casting and continuous rolling for producing superfine crystal grain steel plate
06/24/2009CN100503863C Oxide layer adhesion-tight hot-rolled black-skin surface steel sheet and its manufacturing method
06/24/2009CN100503843C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
06/23/2009US7550047 Cooling melt, solidification, hydrogenation, disproportionation, desorption
06/18/2009WO2009075644A1 Music string