Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
02/2012
02/08/2012CN102345059A High strength low alloy structural normalizing A633GRD steel plate and production method thereof
02/08/2012CN102345058A X65 steel plate for pipe fittings and production method thereof
02/08/2012CN102345057A High strength and toughness Q460E structural steel thick plate and production method thereof
02/08/2012CN102345056A Structural steel S420ML medium and heavy plate and production method thereof
02/08/2012CN102345055A Weldable fine grain structural steel S355NL/S355NLZ35 steel plate and its production method
02/08/2012CN102345054A 120mm low temperature pressure vessel 16MnDR steel thick plate and production method thereof
02/08/2012CN102345053A Hot-rolled structural steel ST52 medium-thick plate with thickness of 15-60mm and production method thereof
02/08/2012CN102345052A Production method of HRB400 (Hazardous Review Board 400) reinforcing steel bar
02/08/2012CN102345051A Steel for bridge and production method thereof
02/08/2012CN102345050A Method for producing flaw detection and performance guaranteed Q235B steel plate with 80-100mm in argon station
02/08/2012CN102345049A Low alloy Q345C-Z35 thick plate and production method thereof
02/08/2012CN102345048A Large-thickness boron steel SS400-B plate and production method thereof
02/08/2012CN102345047A 150mm Q245R extra thick plate and production method thereof
02/08/2012CN102345046A Low cost SM490A steel plate and production method thereof
02/08/2012CN102345045A A514GrQ steel plate for offshore platform rack, and production method thereof
02/08/2012CN102345044A Q420GJE-Z35 steel plate used for high grade high-rise building and its production method
02/08/2012CN102345043A Q370qE thick plate and its production method
02/08/2012CN102345042A Q420QE steel plate for high grade bridge and production method thereof
02/08/2012CN102345041A Q345D steel plate with thickness less than 50mm and ensured comprehensive mechanical property
02/08/2012CN102345001A Method for preparing low-grade non-oriented electrical steel processed by rare earth
02/08/2012CN102343503A Machine barrel fabrication method
02/08/2012CN101906572B 激光燃烧合成原位自生陶瓷颗粒增强铁铝基复合材料的方法 Laser Situ Combustion synthesis of ceramic particle reinforced iron aluminide matrix composites method
02/08/2012CN101892428B 高强度热连轧钢板及其生产方法 High strength hot rolled steel sheets and production method
02/08/2012CN101851699B 无碳化物贝氏体低温铸钢的制造方法 Carbide-free bainitic cast steel manufacturing method of low-temperature
02/08/2012CN101805873B 一种低成本高强汽车大梁用钢及其制造方法 A low-cost high-strength steel for automobile frames and its manufacturing method
02/08/2012CN101772389B 粉末冶金用铁系混合粉末和铁粉烧结体 The iron-based mixed powder metallurgy and iron powder sintered body
02/08/2012CN101535517B 耐鳞爆性显著优良的搪瓷用钢板及其制造方法 Fishscale significantly superior enameling steel sheet and its manufacturing method
02/08/2012CN101528385B 磁特性优异的无取向电磁钢板的制造方法 Excellent method for producing the magnetic properties of non-oriented electrical steel sheet
02/08/2012CN101410537B 双相不锈钢无缝管的制造方法 Duplex stainless steel seamless pipe manufacturing method
02/07/2012US8110292 High strength steel plate, steel pipe with excellent low temperature toughness, and method of production of same
02/07/2012US8110049 Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
02/07/2012CA2693787C Method for producing low yield strength cold rolled steel sheet excellent in uniformity
02/07/2012CA2662741C Steel plate for producing light structures and method for producing said plate
02/07/2012CA2582409C High strength thin-gauge steel sheet excellent in elongation and hole expandability and method of production of same
02/07/2012CA2462260C High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
02/02/2012WO2012015553A1 Chlorohydrin processing equipment comprising stainless steel
02/02/2012WO2012014926A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and processes for producing these
02/02/2012WO2012014851A1 Steel material for thermal cutting using oxygen
02/02/2012WO2012014541A1 Free-cutting stainless-steel cast product and process for producing same
02/02/2012WO2012014290A1 Orientated electromagnetic steel sheet and manufacturing method for same
02/02/2012WO2011121118A3 Steel, flat steel product, steel component and method for producing a steel component
02/02/2012US20120027637 Steel for welded structure and producing method thereof
02/02/2012US20120024436 High-strength and high-ductility steel for spring, method for producing same, and spring
02/02/2012US20120024430 High-strength stainless steel pipe
02/02/2012CA2806626A1 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same
02/01/2012EP2412842A1 Hot-dip galvanized steel sheet and manufacturing method thereof
02/01/2012EP2412841A1 Austenitic stainless steel
02/01/2012EP2412840A1 High-strength and high-ductility steel for spring, method for producing same, and spring
02/01/2012EP2412839A1 Electric resistance welded steel pipe having excellent workability and excellent post-quenching fatigue properties
02/01/2012EP2412838A1 Steel sheet for cans which exhibits excellent surface properties after drawing and ironing, and process for production thereof
02/01/2012EP2412837A1 Ferritic stainless steel plate having excellent heat resistance and excellent workability
02/01/2012EP2412836A1 Maraging steel strip
02/01/2012EP2412835A1 Bearing parts, rolling bearing, and process for production of bearing parts
02/01/2012EP2412831A1 Process for producing grain-oriented magnetic steel sheet, grain-oriented magnetic steel sheet for wound core, and wound core
02/01/2012EP2411709A1 Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof
02/01/2012EP2411708A1 Nitriding grade steel material composition for manufacturing piston rings and cylinder liners
02/01/2012EP2411553A1 Nitratable steel material composition for producing piston rings and cylindrical sleeves
02/01/2012EP2133442B1 Low-alloy steel, seamless steel pipe for oil well, and process for producing seamless steel pipe
02/01/2012EP1728877B9 Process for producing low-alloy steel excelling in corrosion resistance
02/01/2012CN1940115B 高强度高韧性可焊钢以及由其制造构件的方法 Weldable steel high strength and toughness, and a method of its manufacture components
02/01/2012CN102341869A Powder magnetic core and magnetic element using same
02/01/2012CN102341522A Low alloy steel with a high yield strength and high sulphide stress cracking resistance
02/01/2012CN102341521A High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
02/01/2012CN102341520A Steel for case-hardening treatment, case-hardened steel component, and method for producing same
02/01/2012CN102341519A Cold-rolled steel sheet having excellent bendability, method for producing same, and member employing same
02/01/2012CN102341518A Cold-rolled steel sheet and method for producing the same
02/01/2012CN102341517A Low-specific gravity steel for forging having excellent machinability
02/01/2012CN102341516A Ferritic stainless steel having excellent local corrosion resistance
02/01/2012CN102341192A Steel t-bar
02/01/2012CN102337484A Aircraft, stainless steel used for stainless steel pipe for ultralow temperature system of aircraft and preparation method for stainless steel
02/01/2012CN102337483A Antibacterial stainless steel, its heat treatment method and application
02/01/2012CN102337482A Bainite high strength and toughness steel plate with yield strength of 900 MPa and its manufacture method
02/01/2012CN102337481A Molybdenum-containing nickel-saving austenitic stainless steel with excellent corrosion resistance and manufacturing method thereof
02/01/2012CN102337480A Ultra-high strength steel plate with excellent environmental embrittlement resistance and fatigue resistance, and manufacturing method thereof
02/01/2012CN102337479A Ultrafine crystal steel suitable for cutting single-crystal diamond and preparation method thereof
02/01/2012CN102337478A Excellent 100 kg-grade quenched and tempered steel plate with strong toughness and plasticity, and manufacturing method thereof
02/01/2012CN102337477A Smelting and heat treatment method for novel heat resistant steel
02/01/2012CN102337476A Novel heat-resistant steel
02/01/2012CN102337475A Method for manufacturing extra-low oxygen low-expansion alloy
02/01/2012CN102337474A Saw blade back material steel and application thereof to bimetal band saw blade
02/01/2012CN102337473A Rare earth modification and ageing processing method of high chromium-nickel alloy steel guide plate
02/01/2012CN102337472A Heat treatment method for piercing point of seamless pipe
02/01/2012CN102337471A Cast stainless steel
02/01/2012CN102337470A Thin container plate and production method thereof
02/01/2012CN102337469A Novel shaft furnace tooth roller and manufacture process thereof
02/01/2012CN102337468A Wear resistant steel plate and its manufacturing method
02/01/2012CN102337467A Scraper knife blade purposed steel with Brinell hardness of 470-520 and production method thereof
02/01/2012CN102337466A High strength wear resistant shovel blade and manufacture method thereof
02/01/2012CN102337465A Ferrite stainless steel resisting high-temperature concentrated sulfuric acid
02/01/2012CN102337464A Steel for high-strength continuous pipe-mill core rod and preparation process thereof
02/01/2012CN102337463A 00Cr18Mo2 stainless steel pipe billet and manufacture method thereof
02/01/2012CN102337462A Production method for GCr15 bearing steel pipe
02/01/2012CN102337461A High-hardness martensitic stainless steel and its production method
02/01/2012CN102337460A Ultrahigh-strength structural steel board for ocean engineering and production method thereof
02/01/2012CN102337459A Steel for electric power tower and production method thereof
02/01/2012CN102337458A Steel with tensile strength not lower than 1100MPa for engineering machinery and production method thereof
02/01/2012CN102337457A High tensile steel plate containing rare earth La and rolling method thereof
02/01/2012CN102337456A Thick bridge steel plate and rolling method thereof
02/01/2012CN102337455A High-toughness wear-resistant steel plate formed by rare earth through treatment
02/01/2012CN102337454A Carbon structural steel plate and preparation method thereof