Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2012
11/14/2012CN102051531B High boron content austenite stainless steel and preparation method thereof
11/14/2012CN102049479B Method for preparing non-oriented silicon steel equiaxial thin strip by adopting twin-roll strip continuous casting
11/14/2012CN102021494B Weather resistant thick steel plate and manufacturing method thereof
11/14/2012CN102011048B Nickel-based low-temperature pressure vessel steel and manufacturing method thereof
11/14/2012CN101974721B Process for producing medium and high carbon steel in sheet billet continuous casting and rolling production
11/14/2012CN101960036B Cold-rolled steel sheet and process for production thereof
11/14/2012CN101942607B Heat-resistant steel material for water cooled rolls of normalizing furnace
11/14/2012CN101942601B Manufacturing method of transformation induced plasticity steel containing V hot rolling
11/14/2012CN101935807B Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof
11/14/2012CN101886231B Method for manufacturing nickel iron alloy
11/14/2012CN101811232B Wire rod for low-carbon flux-cored welding wires and manufacture method thereof
11/14/2012CN101392352B Thick high tension steel plate for high heat energy input welding and production method thereof
11/13/2012US8308875 High-strength wire rod excellent in drawing characteristics and method of manufacturing the same
11/13/2012CA2714894C Fire-resistant steel material superior in weld heat affected zone reheat embrittlement resistance and low temperature toughness and method of production of same
11/13/2012CA2657508C Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced
11/13/2012CA2542762C High-strength steel sheets excellent in hole-expandability and ductility
11/08/2012WO2012124899A3 Machine parts with excellent corrosion resistance and abrasion resistance, and manufacturing method thereof
11/08/2012US20120283336 Preparation of shaped metal particles and their uses
11/08/2012US20120282487 High-strength steel sheet having excellent processability and paint bake hardenability, and method for producing of high-strength steel sheet
11/08/2012US20120282130 Method for producing permanent magnet materials and resulting materials
11/08/2012US20120279881 Implantable medical devices comprising bio-degradable alloys
11/08/2012US20120279621 Steel, steel flat product, steel part and method for producing a steel part
11/08/2012US20120279620 High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate
11/08/2012US20120279616 Steel material for hardening and method for producing the same
11/08/2012DE112010004924T5 Rostfreier martensitischer Stahl und Herstellungsverfahren für diesen Stainless steel martensitic and manufacturing method thereof
11/08/2012DE102008032024B4 Dichtereduzierte UHC-Stähle Reduced density UHC steels
11/07/2012EP2521141A1 Corrosion-resistant magnet and method for producing the same
11/07/2012EP2520686A2 Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
11/07/2012EP2520685A2 Martensitic stainless steel produced by a twin roll strip casting process and method for manufacturing same
11/07/2012EP2520684A2 Austenite steel material having superior ductility
11/07/2012EP2520683A2 High strength steel sheet having excellent brittle crack resistance and method for manufacturing same
11/07/2012EP2520682A1 Steel material for quenching and method of producing same
11/07/2012EP2520681A2 Non-oriented electrical steel sheet having superior magnetic properties and a production method therefor
11/07/2012EP2520680A2 High strength steel sheet having excellent resistance to post weld heat treatment and method for manufacturing same
11/07/2012EP2519654A2 Ultra-high-strength steel wire having excellent resistance to delayed fracture and manufacturing method thereof
11/07/2012EP2519268A1 Endoprosthesis containing multi-phase ferrous steel
11/07/2012CN102770572A Duplex stainless steel material for vacuum vessels, and process for manufacturing same
11/07/2012CN102770571A Steel sheet and process for producing steel sheet
11/07/2012CN102770570A Case-hardened steel and carburized material
11/07/2012CN102770569A Gear and method for producing same
11/07/2012CN102770568A Super-high strength cold-rolled steel sheet having excellent bending properties
11/07/2012CN102770567A Carburized steel member and method for producing same
11/07/2012CN102770566A Steel for molds with excellent hole processability and reduced processing deformation, and method for producing same
11/07/2012CN102770565A Process for the heat treatment of metal strip material, and strip material produced in that way
11/07/2012CN102767320A Hinge special for refrigerator
11/07/2012CN102766828A Low alloy steel cast steel shot or cast steel grit and preparation method thereof
11/07/2012CN102766827A High-strength and wear-resistant alloy steel
11/07/2012CN102766826A Production method of vanadium nitrogen micro-alloying high-strength weathering resistant steel
11/07/2012CN102766825A Preparation method of high-speed steel for roller
11/07/2012CN102766824A Abrasion-resistant high-speed-steel roller ring and preparation method thereof
11/07/2012CN102766823A Duplex stainless steel with phase change plastification effect and preparation method thereof
11/07/2012CN102766822A High-strength steel plate used for glass lining, and manufacturing method thereof
11/07/2012CN102766821A High-strength thick steel plate for large heat input welding
11/07/2012CN102766820A Hot rolled strip steel with yield strength higher than 600MPa for mine rescue capsule and preparation method of hot rolled strip steel
11/07/2012CN102766819A High-strength and high-ductility heat treated steel bar and preparation method thereof
11/07/2012CN102766818A QDP (quenching and dynamic partitioning) martensite steel based on dynamic carbon partitioning principle
11/07/2012CN102766817A Semi-high speed steel shear steel
11/07/2012CN102766816A 80Cr14MoV high-carbon high-chromium martensite stainless steel band and preparation method thereof
11/07/2012CN102766815A 7Cr17MoV stainless steel strip and manufacturing method thereof
11/07/2012CN102766814A Stainless bearing steel
11/07/2012CN102766813A Hammer head for crushing building stones, and manufacturing method of hammer head
11/07/2012CN102766812A 700 MPa hot-rolled dual phase steel plate with low yield ratio and manufacture method thereof
11/07/2012CN102766811A Iron-based amorphous-nanocrystalline alloy strip and preparation method thereof
11/07/2012CN102766810A Production method of rack steel for self-elevating oil extraction platform
11/07/2012CN102766809A Hot rolled strip steel with yield strength higher than 800MPa for mine rescue capsule and preparation method of hot rolled strip steel
11/07/2012CN102766808A Microalloyed bridge steel plate and normalizing rolling technology thereof
11/07/2012CN102766807A Boron contained bainite steel plate and manufacturing method thereof
11/07/2012CN102766806A Ultrawide and ultrafine gauge structural steel plate for bridges and production method thereof
11/07/2012CN102766805A Thick steel plate for nuclear power plant containment and manufacture method thereof
11/07/2012CN102766804A High-strength high-ductility medium-carbon vanadium-containing silico-manganese steel and preparation method thereof
11/07/2012CN102766803A Free forging processing process of alloyed tool steel 5CrNiMo for footstep shaft
11/07/2012CN102766802A Low-temperature high-nickel steel plate and production method thereof
11/07/2012CN102766801A Rare earth Al-Ca-Fe alloy for rare earth micro-treated steel and preparation method thereof
11/07/2012CN102766800A Steel for hard tinplate bottle caps and production method thereof
11/07/2012CN102766799A Method for smelting stainless steel with high chrome melts and dephosphorized melted iron
11/07/2012CN102766798A Process control method for secondary processing of sintered NdFeB in quick-setting furnace
11/07/2012CN102766748A Production method of low-temperature steel plate capable of being welded by high heat input
11/07/2012CN102766747A Manufacturing method of high-strength non-magnetic abrasion-resistant steel
11/07/2012CN102766745A Heat treatment method for high-speed steel for rollers
11/07/2012CN102764962A Manufacturing technique of heavy piece-weight thick steel plate used for offshore wind turbine tower tube
11/07/2012CN102764959A Manufacturing technique of 150-300mm thick low-alloy high-strength steel plate
11/07/2012CN102764954A Forging process for wind generator spindle
11/07/2012CN102764870A Quality improvement method for low alloy steel continuous casting billet
11/07/2012CN102764838A Gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as material
11/07/2012CN102764835A Process for forging balance shaft for engine
11/07/2012CN102764680A Impact crusher plate hammer and manufacturing method thereof
11/07/2012CN102392186B Manufacturing method of HB500 grade low-manganese wear-resistant steel plate
11/07/2012CN102286689B Preparation method for double-phase forming steel
11/07/2012CN102220465B Heat treatment process of steel in low-alloy, high-strength and weather-proof structure
11/07/2012CN102212660B Intensified annealing method of nickel (Ni)-free high-nitrogen austenitic stainless steel
11/07/2012CN102127699B Method for producing hot rolled steel coils
11/07/2012CN102127692B Production method of hot rolled steel coil
11/07/2012CN102127690B Method for producing hot rolled steel coil
11/07/2012CN102011045B method for making ultrafine grained steel
11/07/2012CN101892419B Method for producing low-carbon low-silicon high magnetic induction non-oriented electrical steel plate by CSP process
11/07/2012CN101864533B Grinding ball specialized for mine
11/07/2012CN101760701B Alloy-plastic steel plate for die and production method thereof
11/07/2012CN101657863B R-t-b based sintered magnet
11/07/2012CN101578669B Soft magnetic material, powder magnetic core, process for producing soft magnetic material, and process for producing powder magnetic core
11/07/2012CN101517670B Process for producing sintered NdFeB magnet