Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 33 - Making ferrous alloys
Patents for C22C 33 - Making ferrous alloys (11,268)
10/2007
10/17/2007CN101056729A Method for producing soft magnetic metal powder coated with Mg-containing oxide film and method for producing composite soft magnetic material from the powder
10/17/2007CN101054653A Process for producing heat-proof non-stick steel
10/17/2007CN101054649A Sulfur erosion resisting steel and smelting method thereof
10/17/2007CN101054648A Whole set smelting device for ferrotitanium series product
10/17/2007CN101054647A Method of producing low-temperature high-toughness steel and steel plate
10/17/2007CN101054646A Method for preparing permanent magnet material
10/17/2007CN100343929C Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material
10/17/2007CN100343411C Steel for processing movement limiting core stick of continuous tube grimper and its producing process
10/17/2007CN100343408C High tensile strength high toughness low yield ratio bainite steel and its production method
10/17/2007CN100343404C Sulfuric acid corrosion resistant alloy nodular cast iron materials
10/17/2007CN100343397C Process for producing steel containing alumium low carbon low ilicon by small square blank continuous caster
10/16/2007US7282103 Power and high frequency transformers; incorporating controlled amount of phosphorous; using low cost general purpose steel; suppressing crystallization
10/16/2007US7282078 contain Cr7C3-type and/or M6C-type carbides precipitately dispersed in an iron-based martensite parent phase which has a hardness of HRC 50 when tempered at up to 600 degrees C ; high density, high seizure resistance
10/11/2007WO2007027724A3 Steel compositions, methods of forming the same, and articles formed therefrom
10/10/2007CN101050510A New type roller made from hard material suitable to tandem mill for bars and wire rods, and manufacturing method
10/10/2007CN101050506A Technique for alloying steel making directly from tungsten ore
10/10/2007CN101050505A Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method
10/10/2007CN101050504A Soldering not quenching and tempering steel plate in high intensity by large line energy, and manufacturing method
10/10/2007CN101050503A Soldering low alloy steel plate in high intensity by large line energy, and manufacturing method
10/10/2007CN101050502A Soldering boat deck steel in high intensity by large line energy, and manufacturing method
10/10/2007CN101049669A Preparation method for cold rolling sheet of duriron
10/09/2007US7279228 Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same
10/03/2007EP1838888A2 Ductile iron and method for manufacturing ductile iron for engineering components requiring strength and toughness
10/03/2007EP1198604B1 Nickel-poor austenitic steel
10/03/2007CN200955063Y Spraying-blowing magnesium-grain molten-iron nodulizing equipment
10/03/2007CN101045975A RE Invar alloy and its production process
10/03/2007CN101045972A Wear-resistant bainite cast steel liner plate and its manufacture process
09/2007
09/26/2007CN101043961A Method for control oxygen content in power
09/26/2007CN101041881A Granule carbonide reinforced ferritic steel and preparation method thereof
09/26/2007CN101041879A Hot-rolled super-strength martensitic steel and method for manufacturing same
09/26/2007CN101041877A Filling particle for producing foam ferrous metals and production method thereof
09/26/2007CN101041871A Preparation technique for zirconium hydrogen crystal grain accretion inhibitor and uses thereof
09/26/2007CN101041165A Low-aliquation high-speed steel roll and the preparing method
09/26/2007CN100339499C Feeding method for magnesium core spun yarn and device thereof
09/25/2007US7273584 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels
09/25/2007US7273508 Base matrix phase, hard particles dispersed in the base matrix phase, the first hard particles of a cobalt-based intermetallic compound and a cobalt-based intermetallic compound; wear resistance and reduced opposite aggressibility to a mating valve
09/20/2007WO2007105429A1 Iron-base mixed powders and processes for production of iron-base powder compacts and sintered iron-base powder compacts
09/19/2007CN101037760A High-carbon high-high-vanadium high-speed steel composite roller and heat treatment method thereof
09/19/2007CN101037759A High-strength abrasion-proof thermostable nano alloyed steel material and producing method thereof
09/19/2007CN101037757A Low yield ratio and high tension steel material excellent in toughness of weld heat-affected zone, and process for producing the same
09/19/2007CN100338374C Sintered chain gear for silent chain and producing method thereof
09/19/2007CN100338373C Sintered chain gear for silent chain and producing method thereof
09/19/2007CN100337770C Casting method of large-toughness piece by ball-iron cast without Ni at low temperature
09/12/2007CN101035920A Production of ferro-alloys
09/12/2007CN101033526A Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof
09/12/2007CN101033525A Hot-rolled sheet strip steel for straight welding petroleum sheath and producing method thereof
09/12/2007CN101033524A Hot-rolled sheet strip steel for thread gluing resistant straight welding petroleum oil line and producing method thereof
09/12/2007CN101033523A Hot-rolled steel sheet for automobile and producing method thereof
09/05/2007EP1257678B1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms
09/05/2007CN101031984A Rare earth sintered magnet and method for production thereof
09/05/2007CN101029376A Fe-based amorphous nano-coating powder and its argon atomization production
09/05/2007CN101029374A High-nitrogen, high-chromium, low-nickle super-corrosive-resisting double-phase stainless steel containing rare earth metal
09/05/2007CN101029370A Production of FeNi-expansion alloy
09/05/2007CN101029367A Spheroidizing treater and process
09/05/2007CN100335669C Method for smelting phosphor-containing steel
09/04/2007US7264871 Health promoting appliance
08/2007
08/30/2007WO2007095957A1 A powder and a process for the production of a sintered body, and a sintered body
08/30/2007WO2007095658A2 Porous body containing mixed oxides made from an iron/chrome alloy for fuel cells
08/30/2007US20070203051 Compacting a mixture of a coarse iron or iron alloy powder and a lubricant that is liquid at ambient temperature, i.e., the crystalline melting point should be below 25 degrees C. and the viscosity at 40 C should be above 15 mPas; high density compacted bodies can be ejected from dies with low force
08/30/2007US20070199624 Process For Producing Alloy Slab For Rare-Earth Sintered Magnet, Alloy Slab For Rare-Earth Sintered Magnet And Rare-Earth Sintered Magnet
08/30/2007US20070199409 Iron-Based Powder Composition
08/29/2007EP1826782A1 Iron base rare earth nano-composite magnet and method for production thereof
08/29/2007EP1825013A1 Improved wear resistant alloy
08/29/2007CN101027148A Nano-crystalline steel sheet
08/29/2007CN100334662C Method for producing r-t-b based rare earth element permanent magnet
08/29/2007CN100334660C Method for producing R-T-B based rare earth element permanent magnet
08/29/2007CN100334245C Smelting production method of extra pure high carbon chromium bearing steel
08/28/2007US7261781 Nanocomposite magnet
08/28/2007US7261759 Mixture containing lubricant; adjusting green strength; compaction, sintering
08/23/2007US20070196231 Compacting an iron-silicon-chromium alloy powder that has been annealed at a temperature of 600 to 800 degrees C, into a green compact and sintering; plungers of solenoid valves in electronic fuel injection systems; good corrosion resistance, strength and alternating current magnetic properties
08/22/2007CN1333098C Iron base rare earth high chromium steel impellor blade
08/22/2007CN1332774C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
08/22/2007CN101022903A Powder metal composition comprising secondary amides as lubricant and/or binder
08/22/2007CN101020988A Antiwear steel and its making process
08/22/2007CN101020987A Fast microwave crystallizing process for preparing nanometer crystalline iron-base soft magnetic alloy
08/22/2007CN101020985A Process of producing Ni-Cr-Fe alloy in ore-smelting furnace
08/22/2007CN101020984A Method of controlling carbon content in ultralow carbon high strength high toughness steel
08/22/2007CN101020968A Process of comprehensively utilizing high temperature nickel smelting slag
08/15/2007EP1405924B1 Method for producing granular metal
08/15/2007CN1332054C Nontempered carbon structural steel and its production method
08/15/2007CN1332053C Multiplex rare-earth ferroalloy (RERAFe[2]) powder and method for preparing same
08/15/2007CN101016605A 21-4N gas valve steel containing rare-earth element and rare earth adding method
08/15/2007CN101016603A High-boron cast steel containing granular boride and preparing method thereof
08/15/2007CN101016602A Ferrum-nickel-manganese alloy golf pole head and preparing method thereof
08/15/2007CN101016600A C-Mn-Ti-Nb series hot-rolled high strength high magnetic induction performance steel and manufacturing method thereof
08/15/2007CN101016599A Low carbon equivalent micro-alloy steel pipe and on-line normalizing process thereof
08/15/2007CN101016598A Nd-Fe-B alloys
08/15/2007CN101016597A Process of producing iron alloy with low carbon and chromium
08/15/2007CN101016596A Process of producing iron alloy with low carbon and manganese
08/14/2007US7255724 Metal powder composition and preparation thereof
08/09/2007US20070183918 Method and device for producing three-dimensional objects using laser technology and for applying an absorber using an ink jet method
08/08/2007CN1331168C Heat treatment of soft magnetic components
08/08/2007CN1330789C 600MPa grade low temperature high toughness weather corrosion resistant steel and its production method
08/08/2007CN1330784C Pre-alloyed bond powders
08/08/2007CN1330444C High density stainlss steel products and method for preparation thereof
08/08/2007CN101013621A Low loss magnet and magnetic circuit using the same
08/08/2007CN101012532A Iron-based bulk amorphous alloy having hard magnetism and method for preparing same
08/08/2007CN101012531A Fe-based bulk amorphous alloy and method for preparing same
08/08/2007CN101012530A Low-alloy cast steel and method for preparing same
08/08/2007CN101012529A Cast steel and method for preparing same
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