Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
07/2012
07/11/2012CN102575308A Process for producing an ultra-low-carbon steel slab, strip or sheet
07/11/2012CN102574249A Iron-chromium based brazing filler metal
07/11/2012CN102570634A Article formed using nanostructured ferritic alloy
07/11/2012CN102568809A Method for preparing corrosion-resistant high-performance sintered neodymium iron boron magnets
07/11/2012CN102568738A Manufacturing method of high-mechanical-strength sintered neodymium iron boron permanent magnets
07/11/2012CN102560763A Spindle bolster for spindle of spinning machine
07/11/2012CN102560473A Method for preparing novel powder-core wire for high-temperature antifriction abrasion-resistant coating
07/11/2012CN102560288A Production method of black rust steel under service conditions of punch forming with oil coating process
07/11/2012CN102560287A X90 steel bent pipe and bending method thereof
07/11/2012CN102560286A Non-magnetic hard-section nickel austenitic stainless steel and preparation method thereof
07/11/2012CN102560285A Soft austenitic stainless steel and preparation method thereof
07/11/2012CN102560284A High-strength high-toughness X100 pipeline steel hot-rolled steel strip and manufacturing method thereof
07/11/2012CN102560283A Big-caliber seamless alloy steel pipe
07/11/2012CN102560282A Nitrided gear steel and heat treatment method thereof
07/11/2012CN102560281A Preparation method of martensitic stainless steel having broad-spectrum antimicrobial effects
07/11/2012CN102560280A High-temperature-resistance and high-strength alloy steel and heat treatment process thereof
07/11/2012CN102560279A Method for manufacturing electric spindle for motor of high-speed numerical control machine
07/11/2012CN102560278A Steel for electric main shaft of high-speed numerical control machine motor
07/11/2012CN102560277A Preparation method of steel bar with corrosion resistance used for natural gas transportation pipeline
07/11/2012CN102560276A High-chrome multicomponent alloy steel lining plate for mine
07/11/2012CN102560275A Heat resistant cast steel, manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine
07/11/2012CN102560274A Hardened and tempered ultrahigh-strength steel with 1000MPa-grade yield strength and production method thereof
07/11/2012CN102560273A Low-alloy seamless steel pipe for supporting crane cantilever
07/11/2012CN102560272A Ultrahigh-strength abrasion-resistant steel plate and manufacturing method thereof
07/11/2012CN102560271A Steel billet for manufacturing AAR (Association of American Railroads) M 101-2009F level axle
07/11/2012CN102560270A Clean steel spectral standard sample and preparation method thereof
07/11/2012CN102560269A Exhaust manifold of engine with cast heat-resistant steel
07/11/2012CN102560268A Ultra-low carbon high strength stainless steel thin pipe and manufacturing method thereof
07/11/2012CN102560267A Preparation method for steel for gear of geared motor
07/11/2012CN102560266A High-wear-resistant steel for knitting needle and manufacturing method thereof
07/11/2012CN102560265A 1Cr17Ni2Mo glass mold
07/11/2012CN102560264A Nitrogen-containing forged steel support roller material for strip mill
07/11/2012CN102560263A Hardenability-remaining high-strength low-temperature toughness spring steel
07/11/2012CN102560262A High-yield-strength steel and application thereof
07/11/2012CN102560261A Bainitic steel and preparation method thereof
07/11/2012CN102560260A Low cost, high strength and toughness X 70 pipeline steel coil plate and its production method
07/11/2012CN102560259A Preparation method for twinning induced plasticity (TWIP) steel for low-cost large-expansibility expansion pipe and steel pipe
07/11/2012CN102560258A Low-carbon high-boron cast wear-resistant alloy steel and preparation method thereof
07/11/2012CN102560257A Low-activated steel structure material for fusion reactor
07/11/2012CN102560256A Fire-resistant weather-resistant steel with excellent low temperature toughness and preparation method for fire-resistant weather-resistant steel
07/11/2012CN102560255A High-temperature vacuum carburized gear steel
07/11/2012CN102560254A Low-Bauschinger-effect low-strain-aging-effect steel tube and manufacturing method thereof
07/11/2012CN102560253A Manufacturing method of high-quality cold heading steel with uniform structure property
07/11/2012CN102560252A Steel for medium-carbon Cr alloying connecting rod and manufacturing method of steel
07/11/2012CN102560251A High-performance powder metallurgy material and manufacturing method thereof
07/11/2012CN102560250A Ultralow-carbon bainite steel plate and manufacturing method thereof
07/11/2012CN102560249A Formula and process for powder metallurgy
07/11/2012CN102560248A Method for producing bolt steel
07/11/2012CN102560247A Excellent-performance medium plate high-input-energy steel and smelting method thereof
07/11/2012CN102560246A Quenching and tempering heat treatment method of vanadium-containing medium carbon alloy steel pipes
07/11/2012CN102560245A Microalloying and heat treatment method for 300MW turbonator rotor material
07/11/2012CN102560244A Microalloying and heat treatment method for 20MnMo steel
07/11/2012CN102560243A Rolling method for Q345 steel plate with thickness of 50-100mm
07/11/2012CN102560242A A production method of a seamless steel pipe for a single hydraulic prop
07/11/2012CN102560241A Powder metallurgy material
07/11/2012CN102560240A Method for producing ferro-nickel alloy with laterite
07/11/2012CN102560239A Production method of high-grade electrical steel product
07/11/2012CN102560238A Production method of cold-rolled thin strip steel plate for heat radiating fin
07/11/2012CN102560237A Low-carbon steel with low resistance as well as preparation method and application thereof in preparing weld wires
07/11/2012CN102560236A Preparation method of common oriented silicon steel
07/11/2012CN102560235A Manufacturing method of high-magnetic-inductive oriented silicon steel
07/11/2012CN102560234A Powdered alloy steel for powder metallurgy
07/11/2012CN102560233A Binder powder metallurgy mixture
07/11/2012CN102560062A Heat treatment method for steel for gear of speed reducing motor
07/11/2012CN102560052A Heat treatment method for steel pieces with high impact strength and application of steel pieces
07/11/2012CN102560048A Preparation process of ordinary oriented silicon steel
07/11/2012CN102560046A Method for controlling surface decarburization of spring steel wires
07/11/2012CN102560022A Method for controlling content of reversed austenite in super martensitic stainless steel
07/11/2012CN102560018A Oil quenching heat treatment process for high-hardness low-chromium multicomponent alloy casting ball
07/11/2012CN102555351A Highly wear-resisting bimetal composite material
07/11/2012CN102554577A Process for manufacturing large high-chromium medium-carbon alloy forging back-up rolls
07/11/2012CN102554565A Integral manufacturing method of runner of impulse water turbine
07/11/2012CN102554216A Water atomization ferrum-copper alloy powder and manufacturing method
07/11/2012CN102554213A Alloy steel powder for powder metallurgy, iron-based sintering material and manufacturing method thereof
07/11/2012CN102553913A Rolling method of Q235BZ15 steel plate with thickness of 50-100mm
07/11/2012CN102553908A Rolling method for puller bolt of steam generator of pressurized-water reactor nuclear power station
07/11/2012CN102102165B Alloy structural steel material for brake discs of high-speed motor train unit vehicles
07/11/2012CN102080191B Niobium-boron composite hot rolled high-strength container steel plate and preparation method thereof
07/11/2012CN102039314B High-carbon semi-steel composite roll collar and manufacturing method thereof
07/11/2012CN102002567B Production method of oriented high-silicon-steel thin plates
07/11/2012CN101984119B NV-F690 ultrahigh strength ship plate steel and manufacture method thereof
07/11/2012CN101939459B High-strength hot-rolled steel sheet and process for production thereof
07/11/2012CN101886222B Method for manufacturing high-strength X90 steel grade spiral submerged arc welded pipe
07/11/2012CN101886192B Method for preparing high-performance iron nickel magnetically soft alloy by using powder metallurgy process
07/11/2012CN101781742B Medium-thickness ship plate steel with ultrahigh intensity and low-temperature impact toughness and manufacturing method thereof
07/11/2012CN101775561B Low-yield-ratio and high strength thick plate and preparation process thereof
07/11/2012CN101641750B Process for production of ndfeb sintered magnets
07/11/2012CN101560628B Rare-earth ferroalloy and preparation process thereof
07/11/2012CN101522932B Ferritic chromium steel
07/11/2012CN101405418B Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connect
07/11/2012CN101183594B Magnet and motor using magnet
07/10/2012US8216400 High-strength steel plate and producing method therefor
07/10/2012US8216394 Method for production of steel product with outstanding descalability; and steel wire with outstanding descalability
07/10/2012CA2715303C High tensile strength hot-dipped steel sheet and method of producing the same
07/10/2012CA2609240C High-strength hot-dip galvanized steel sheet excellent in formability and method for producing the same
07/10/2012CA2602076C Steel excellent in toughness of weld heat affected zone
07/10/2012CA2525187C Chain pin for hinge conveyor chains
07/10/2012CA2254564C Non-ridging ferritic chromium alloyed steel
07/05/2012WO2012092122A1 High manganese containing steels for oil gas and petrochemical applications
07/05/2012WO2012091613A1 Method for the heat treatment of components made of structural steel of reduced and regulated hardenability