Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2010
05/05/2010CN1813076B Iron base sintered alloy exhibiting high surface densification and high surface hardness, and method for production thereof
05/05/2010CN1716465B Method for producing iron base rare earth isotropy nano composite magnet
05/05/2010CN101702311A Steel wire and manufacturing method therefor
05/05/2010CN101701353A Electrolytic polishing method for high-strength hot rolling low carbon twinning induced plasticity (TWIP) steel
05/05/2010CN101701326A High strength and high toughness ship plate steel with thick specification and production method thereof
05/05/2010CN101701325A E-grade steel with low cost
05/05/2010CN101701324A Wear-resistant chromium steel
05/05/2010CN101701323A Ferrite/martensite high chromium heat resistant steel without Z-phase precipitation
05/05/2010CN101701322A Sintered sliding member and connecting device
05/05/2010CN101701321A Sintered sliding member and connecting device
05/05/2010CN101701320A Sintered sliding member and connecting device
05/05/2010CN101701319A Novel hot precision forging die steel
05/05/2010CN101701318A Steel for flux-cored wire jacket and manufacturing method thereof
05/05/2010CN101701317A Steel for stud welding pins and with yield strength not less than 320MPa and production method thereof
05/05/2010CN101701316A Automobile beam steel with tensile strength of 590MPa and manufacturing method thereof
05/05/2010CN101701315A Manufacturing method of submerged pipeline steel pipe
05/05/2010CN101701314A Steel bar for high-strength stirrup and preparation method thereof
05/05/2010CN101701312A Method for smelting stainless steel mother liquid by using chromium mineral powder and laterite as raw materials
05/05/2010CN101065509B High strength steel sheet and method for production thereof
05/04/2010US7709411 Method of manufacturing multicomponent nanoparticles
05/04/2010US7708842 iron-nickel-chromium alloy includes embossments that exhibit full functional recovery at temperatures greater than 1000 degrees F. and which is made from sheet material that is cold rolled and whose embossments are work hardened and at full operational strength without post embossment heat treating
05/04/2010US7708841 Component for use in oil field technology made of a material which comprises a corrosion-resistant austenitic steel alloy
05/04/2010CA2412525C Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools
04/2010
04/29/2010WO2010048255A1 Composition and method of forming high productivity continuous casting roll shell alloy
04/29/2010WO2010047416A1 High tensile strength steel thick plate having excellent weldability and tensile strength of 780mpa or above, and process for manufacturing same
04/29/2010WO2010047414A1 Method for manufacturing grain-oriented electrical steel sheet
04/29/2010WO2010047137A1 Roll for use in continuous casting
04/29/2010WO2010047131A1 Ferritic stainless steel sheet for egr coolers
04/29/2010WO2010047090A1 Conveying structure
04/29/2010WO2010046475A1 Case-hardened steel
04/29/2010WO2010045937A2 Security cabinet
04/29/2010WO2010045781A1 High-alloyed cold die steel
04/29/2010WO2010011791A3 Hot rolled dual phase steel sheet, and method of making the same
04/29/2010WO2010011790A3 Cold rolled dual phase steel sheet having high formability and method of making the same
04/29/2010WO2010006259A3 Pitting corrosion resistant non-magnetic stainless steel
04/29/2010US20100104890 Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness and method of production of the same
04/29/2010US20100104468 Low-carbon sulfur-containing free-cutting steel with excellent cuttability
04/29/2010US20100102910 Austenitic iron-nickel-chromium-copper alloy
04/29/2010US20100101686 Nanostructured austenitic steel and method of making nanostructured austenitic steel
04/29/2010DE112008000720T5 Weichmagnetische Legierung, die weichmagnetische Legierung verwendendes magnetisches Teil und Verfahren zum Herstellen derselbigen Soft magnetic alloy, the soft magnetic alloy-use magnetic member and methods of making derselbigen
04/29/2010DE102008052885A1 Einsatzstahl Hardening steel
04/29/2010DE102006005250B4 Eisen-Nickel-Legierung Iron-nickel alloy
04/29/2010CA2713157A1 High strength thick-gauge steel plate superior in weldability and having tensile strength of 780 mpa or more and method of production of same
04/28/2010EP2180082A1 Insulating coating treatment liquid for grain oriented electromagnetic steel sheet and process for manufacturing grain oriented electromagnetic steel sheet with insulating coating
04/28/2010EP2180076A1 Wear-resistant steel sheet having excellent wear resistant at high temperature and processability upon bending, and method for production thereof
04/28/2010EP2180075A1 High-strength steel sheet excellent in bendability and fatigue strength
04/28/2010EP2180074A1 High-strength low-alloy steel excellent in the resistance to high-pressure hydrogen environment embrittlement and process for manufacturing the steel
04/28/2010EP2180073A1 Maraging steel and maraging steel for metallic belt
04/28/2010EP2180070A1 Process for manufacturing high-strength hot-rolled steel sheet
04/28/2010EP2178671A2 Method of open root welding
04/28/2010CN1622237B Method and device for producing alloy powder for permanent magnet
04/28/2010CN101699578A High frequency soft magnetic material composed of rare earth, iron and nitrogen, as well as composite material prepared by same and preparation methods thereof
04/28/2010CN101698926A Automobile beam steel and temperature control method thereof
04/28/2010CN101698925A Low-carbon phosphorus-added high-yield-strength cold rolled steel sheet and manufacturing method thereof
04/28/2010CN101698924A Steel shot used for cleaning and strengthening surface of metal and preparation method thereof
04/28/2010CN101698923A Steel shot and preparation method thereof
04/28/2010CN101698922A Reinforced steel shot and preparation method thereof
04/28/2010CN101698900A Production technology method of low content alloy ultrahigh hardness wear-resistant steel plate
04/27/2010US7704450 cost efficiency; steel making
04/27/2010US7704338 Method of manufacturing a martensitic stainless steel
04/22/2010US20100098994 Ferritic Chromium Steel
04/22/2010US20100098578 Composition and method of forming high productivity, continuous casting roll shell alloy
04/22/2010US20100098577 Si-killed steel wire rod and spring excellent in fatigue properties
04/22/2010US20100098576 Iron-based soft magnetic alloy, thin ribbon of amorphous alloy, and magnetic part
04/22/2010US20100097171 Soft magnetic alloy, magnetic component using the same, and thier production methods
04/22/2010US20100096048 655 mpa grade martensitic stainless steel having high toughness and method for manufacturing the same
04/22/2010DE112008001331T5 Wälzelement, Wälzlager und Verfahren zur Herstellung eines Wälzelements Rolling element bearings and method for manufacturing a rolling element
04/22/2010DE102008010168B4 Panzerung für ein Fahrzeug Armor for a vehicle
04/21/2010EP2178096A1 R-Fe-B RARE EARTH SINTERED MAGNET
04/21/2010EP2177642A1 Al-plated steel sheet for exhaust gas passageway members of motorcycles and members
04/21/2010EP2177640A1 High-strength steel sheet
04/21/2010EP2177634A1 Process for production of duplex stainless steel tubes
04/21/2010EP2177508A2 Process for producing 2-hydroxy-4-methylthiobutanoic acid
04/21/2010EP2176434A1 Manufacturing method and steel for heavy munition casings
04/21/2010CN201439534U Antifriction alloy cast steel equipment for heat processing
04/21/2010CN1985015B Sintered soft magnetic member and method for manufacture thereof
04/21/2010CN1888116B High hardness and high wear resistance no-magnetism bearing steel and its preparation method
04/21/2010CN1818105B Production of micro-carbon solder iron
04/21/2010CN101696484A Chromium-containing HRB400 hot-rolled ribbed steel bar and production method thereof
04/21/2010CN101696483A Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same
04/21/2010CN101695714A Cast steel back-up roller and preparation method thereof
04/21/2010CN101363078B Heat treatment method of steel belt for packages and steel belt for packages
04/21/2010CN101307416B Homogeneous free machining steel and production process thereof
04/21/2010CN101265556B Method for producing ultra-high strength chromium series cast iron board band
04/21/2010CN101225499B Low-alloy super-strength multiphase steel and heat treatment method thereof
04/21/2010CN101161848B Corrosion resisting alloy sand and preparation method thereof
04/20/2010US7700037 Martensitic chromium-nitrogen steel and its use
04/20/2010US7699947 Having a chemical composition consisting of carbon, manganese, cromium, silicon, titanium, aluminum, sulfur and phosphorus; bainitic-martensitic structure containing < 5% ferrite; hot-rolled steel strip coated with zinc by dipping into bath of molten zinc after coiling; uncoil and anneal
04/20/2010CA2314177C Low-aluminum steel sheet for packaging
04/15/2010WO2010041764A1 Working process for manufacturing members excellent in chemical conversion treatability
04/15/2010WO2010041763A1 Excellent-formability and high-strength steel tube excellent in chemical convesion treatability and process for production of same
04/15/2010WO2010041694A1 Sheet stainless steel for separators in solid polymer fuel cells, and solid polymer fuel cells using the same
04/15/2010WO2010041561A1 Process for production of carburized part and steel part
04/15/2010WO2010041532A1 Iron alloy, iron alloy member and manufacturing method therefor
04/15/2010WO2010041506A1 Turbine rotor and process for production of turbine rotor
04/15/2010WO2010040333A1 Biocompatible material made of stainless steel having a martensitic surface layer
04/15/2010US20100092798 Submerged arc weld metal for 1.25 Cr-0.5 Mo steel, coke drum and bonded flux
04/15/2010US20100092749 Use of an iron-chromium-aluminum alloy with long service life and minor changes in heat resistance
04/15/2010US20100092332 High-strength cold rolled steel sheet having excellent formability, and plated steel sheet
04/15/2010US20100092331 Weather-resistant hot-rolled steel sheet superior high-strength, and manufacturing method