Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
08/2011
08/24/2011CN201942735U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/24/2011CN201942734U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/24/2011CN201942733U Rtb系稀土类合金的制造装置 Apparatus for manufacturing rare earth alloy Rtb
08/24/2011CN102165086A High strength, high toughness steel alloy
08/24/2011CN102165085A Environmentally-friendly, Pb-free free-machining steel, and manufacturing method for same
08/24/2011CN102165083A Process for production of sintered compact by powder metallurgy
08/24/2011CN102165082A Production of ferro-alloys
08/24/2011CN102162075A Austenitic stainless steel with excellent polishing performance and manufacturing method thereof
08/24/2011CN102162074A In-situ cast stainless steel
08/24/2011CN102162073A Preparation method of low-carbon low-silicon cold-rolled hot-galvanized dual-phase steel for extra-deep drawing
08/24/2011CN102162072A Ultra-high strength X100 pipeline steel and production method thereof
08/24/2011CN102162071A Limit mandrel steel material for rolled tubes and preparation method thereof
08/24/2011CN102162070A Connecting rod material for engines in powder metallurgy and preparation method thereof
08/24/2011CN102162069A Flying-shear main-transmission gearwheel steel and preparation method thereof
08/24/2011CN102162068A Spring steel and manufacturing and thermal treatment method thereof
08/24/2011CN102162067A Steel for anticorrosion sucker rods in oil field and production method thereof
08/24/2011CN102162066A Medical martensitic stainless steel material and preparation method thereof
08/24/2011CN102162065A 550Mpa yield-strength low-carbon bainitic steel for engineering machinery and preparation method thereof
08/24/2011CN102162064A Iron-chromium-aluminum alloy and strip coil thereof
08/24/2011CN102162063A Ferritic stainless steel medium plate and manufacturing method thereof
08/24/2011CN102162062A Tin-containing high-nitrogen martensitic stainless steel alloy material and manufacturing method thereof
08/24/2011CN102162061A Low-carbon bainite thick steel plate with high strength and toughness and manufacturing method thereof
08/24/2011CN102162060A Cone ring material of synchronizer and preparation method thereof
08/24/2011CN102161634A Production method of methionine
08/24/2011CN102161148A Method for preparing X90 steel-grade bent pipes and pipe fittings
08/24/2011CN102161013A Manufacturing method of impact-resistant alloy forged balls
08/24/2011CN101748331B High-speed railway frog manufactured from nano-bainitic steel with high aluminum content and manufacturing method thereof
08/24/2011CN101709431B Round steel and production process thereof
08/24/2011CN101705431B Method for producing low-carbon bainite steel with optimized texture and performance
08/24/2011CN101705426B Drill collar steel and dehydrogenated heat treatment process thereof for improving ultrasonic flaw detection qualification rate
08/24/2011CN101676427B Steel plate with high strength and low yield ratio
08/24/2011CN101660024B Strengthening and toughening method of high-rigidity resurfacing welding alloyed deposited metal
08/24/2011CN101631887B High-strength hot-rolled steel plate excellent in low-temperature toughness for spiral pipe and process for producing the same
08/24/2011CN101532113B Anti-collapse oil casing and manufacturing method thereof
08/24/2011CN101497967B High tension steel plate with excellent weldability
08/24/2011CN101353755B High tensile strength substrate, hot dip galvanizing automobile exterior panel and manufacturing method thereof
08/23/2011US8003045 Cast, heat-resistant austenitic stainless steels having reduced alloying element content
08/23/2011US8002910 Seamless steel tube which is intended to be used as a guide pipe and production method thereof
08/23/2011US8002909 Medical devices
08/23/2011US8002908 Steel product with a high austenite grain coarsening temperature
08/23/2011US8002907 Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing
08/18/2011WO2011099408A1 Production method for thick steel plate
08/18/2011WO2011097736A1 A master alloy for producing sinter hardened steel parts and process for the production of sinter hardened parts
08/18/2011WO2011069906A3 Method for producing an easily deformable flat steel product, flat steel product, and method for producing a component from such a flat steel product
08/18/2011US20110198002 High-strength galvanized steel sheet with excellent formability and method for manufacturing the same
08/18/2011CA2789780A1 A master alloy for producing sinter hardened steel parts and process for the production of sinter hardened parts
08/17/2011EP2357262A1 Crankshaft and production method therefor
08/17/2011EP2357261A1 Steel for machine structure use attaining excellent cutting-tool life and method for cutting same
08/17/2011EP2357260A1 Case hardening steel, carburized component, and method for producing case hardening steel
08/17/2011EP2357259A1 High-purity ferritic stainless steel having excellent corrosion resistance, and method for producing same
08/17/2011EP2356262A1 Method and apparatus for producing steel pipes having particular properties
08/17/2011EP2027300B1 Steel compositions for special uses
08/17/2011EP1865083B1 High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
08/17/2011EP1513961B1 Steel sheet for vitreous enameling and production method
08/17/2011EP0969112B1 A method of producing dual-phase high-strength steel sheets having high impact energy absorption properties
08/17/2011CN102159744A Heat-resistant steel for engine valve having excellent high-temperature strength
08/17/2011CN102154604A Preparation technique of phase transformation induced plasticity hot galvanizing steel plate
08/17/2011CN102154595A Low-alloy abrasion-resistant cast steel for coal-machine working condition
08/17/2011CN102154594A Chromium-niobium-boron alloy rare earth casting grinding ball and production process method thereof
08/17/2011CN102154593A X80 steel grade anti-corrosion low-temperature seamless line pipe
08/17/2011CN102154592A Micro-alloying martensite stainless steel for blades of water turbine and manufacturing method thereof
08/17/2011CN102154591A Chain wheel assembly for scraper conveyor
08/17/2011CN102154590A Water-toughened low-alloy abrasion-resistant steel lining plate and preparation method thereof
08/17/2011CN102154589A Steel for rear axle shaft of heavy-load commercial vehicle
08/17/2011CN102154588A High-carbon vanadium alloy abrasion-resistant steel lining plate and preparation method thereof
08/17/2011CN102154587A Pipe line steel for high linear energy welding and manufacturing method thereof
08/17/2011CN102154586A Method for preventing surface of Ti-IF steel from forming crack defects
08/17/2011CN102154585A High-intensity quake-resistant steel bar for buildings and manufacturing method thereof
08/17/2011CN102154583A Method for preparing high-silicon silicon steel
08/17/2011CN102152927A Stainless steel explosion-proof material suitable for alkaline chemicals and preparation method thereof
08/17/2011CN102152926A Stainless steel anti-explosion material for medicaments and foods and preparation method thereof
08/17/2011CN102152925A Stainless steel anti-explosion material for medicaments and foods and preparation method thereof
08/17/2011CN102152924A Stainless steel anti-explosion material for alkaline chemicals and preparation method thereof
08/17/2011CN102152923A Stainless steel explosion-proof material suitable for acid chemicals and preparation method thereof
08/17/2011CN102152922A Stainless steel anti-explosion material for acidic chemicals and preparation method thereof
08/17/2011CN102151695A Manufacturing method of Cold-rolled non-oriented high-silicon steel thin strip
08/17/2011CN101831589B Cold-rolled non-oriented silicon steel with high magnetic induction and low iron loss for high-efficiency motor and manufacture method thereof
08/17/2011CN101769403B Seamless steel tube for nuclear power and production method thereof
08/17/2011CN101649415B High-strength steel sheet superior in formability
08/17/2011CN101633994B Thick wall steel plate and manufacturing method thereof
08/17/2011CN101624679B Steel wire material for spring and its producing method
08/17/2011CN101616754B Process for producing hot-rolled steel sheet having fine ferrite structure and hot-rolled steel sheet
08/17/2011CN101570817B Steel wire rod
08/17/2011CN101447331B Production method of sintered R-Fe-B permanent magnet
08/17/2011CN101413087B Production method of steel plate for tall building
08/17/2011CN101407892B Ultra-low carbon hot rolling weathering steel with yield strength larger than 550MPa
08/17/2011CN101343714B 30CrMnSiB steel, weldless steel tube for cylinder and method of manufacturing the same
08/17/2011CN101323932B Base steel resin carbon fibre synchronization device cone ring matrix material component and production process thereof
08/17/2011CN101248195B High-strength cold-rolled steel sheet, high-strength plated steel sheet, and methods for their manufacture
08/16/2011US7998289 Press-hardened part and method for the production thereof
08/16/2011US7998285 Abrasion-resistant steel plate
08/16/2011US7998282 Heat treatment method of steel components, steel components and manufacture method of steel components
08/16/2011CA2602526C A method of manufacturing a heavy wall seamless steel pipe for line pipe
08/16/2011CA2536404C Expansible seamless steel pipe for use in oil well and method for production thereof
08/11/2011WO2011096510A1 High-strength welded steel pipe and method for producing the same
08/11/2011WO2011096456A1 Production method for thick steel plate
08/11/2011WO2011096454A1 Highly corrosion-resistant cold-rolled ferrite stainless steel sheet having excellent toughness, and process for production thereof
08/11/2011US20110192508 Magnetostrictive material and preparation method thereof
08/11/2011US20110192507 Iron alloy, iron-alloy member, and process for manufacturing the same
08/11/2011US20110192127 Stainless steel for filter applications