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