Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/2012
11/28/2012CN102803537A Steel for leaf spring with high fatigue strength, and leaf spring component
11/28/2012CN102803536A Pearlite-based High-carbon Steel Rail Having Excellent Ductility And Process For Production Thereof
11/28/2012CN102803535A High strength steel pipe and method for producing same
11/28/2012CN102803522A Method for producing harmonic drive gear base material
11/28/2012CN102803521A Method for producing directional electromagnetic steel sheet
11/28/2012CN102803519A Method for producing a hot press cured component, use of a steel product for producing a hot press cured component, and hot press cured component
11/28/2012CN102802843A Iron-based mixed powder for powder metallurgy
11/28/2012CN102802832A Stainless steel wire for warm forging, method for producing same and metal forming method
11/28/2012CN102800454A Low-cost double-main phase Ce permanent-magnet alloy and preparation method thereof
11/28/2012CN102796970A Anti-seismic, weather-proof and high-strength YS700MPa hot-rolled reinforced bar
11/28/2012CN102796969A Steel made of boron containing microalloy and resisting atmosphere corrosion and manufacturing method of steel
11/28/2012CN102796968A cast steel material for bridge high creep resistance and high toughness at low temperature and preparation method thereof
11/28/2012CN102796967A 800 MPa economic corrosion-resistance and high-strength steel plate
11/28/2012CN102796966A High-intensity steel and steel pipes and preparation method thereof
11/28/2012CN102796965A Rolling mill support roll steel and heat treatment technology thereof
11/28/2012CN102796964A Novel material of piston of breaking hammer and manufacturing process of piston
11/28/2012CN102796963A Martensitic stainless steel rectangular billet continuous casting method
11/28/2012CN102796962A Niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production thereof
11/28/2012CN102796961A 600MPa high-performance fire-resistant aseismic reinforcing steel bar for concrete and production thereof
11/28/2012CN102796960A Ferrite stainless steel with good plastic property and surface quality and preparation method thereof
11/28/2012CN102796959A Corrosion-resistant plastic mold steel and preparation method thereof
11/28/2012CN102796958A Alloy designed steel mechanical blade for preventing network carbide on CrWMn steel from being separated out
11/28/2012CN102796957A Steel plate for high toughness 15CrMoR pressure container
11/28/2012CN102796956A High-strength thin band steel for cold forming and manufacturing method thereof
11/28/2012CN102796955A Hot-rolled medium and thick plates for enamel steel and manufacturing method for hot-rolled medium and thick plates
11/28/2012CN102796954A Low-manganese iron-based shape memory alloy
11/28/2012CN102796953A Niobium-lanthanum microalloyed Si-Mn thermoformed steel plate and heat threatment technique thereof
11/28/2012CN102796952A High-thickness steel plate for ocean platform and production method for steel plate
11/28/2012CN102796951A High ferro-manganese base shape memory alloy
11/28/2012CN102796950A Production method of large-scale high strength 82B high-carbon hard wire rod
11/28/2012CN102796949A Hot galvanizing steel plate with yield strength more than or equal to 550MPa, and manufacturing method thereof
11/28/2012CN102796948A Non-oriented electrical steel plate with extremely low content of Ti and smelting method for non-oriented electrical steel plate
11/28/2012CN102796947A High-grade non-oriented silicon steel with excellent magnetism and smelting method for high-grade non-oriented silicon steel
11/28/2012CN102796946A Ultralow carbon aluminum silicon killed steel and production method thereof
11/28/2012CN102796945A Constructional hot-rolled plain steel bar (HPB) 300 hot-rolled wire-rod steel bar and production thereof
11/28/2012CN102796944A Method for casting mine hammer
11/28/2012CN102796943A Thin strip steel for thin-wall oil drum and manufacturing method of thin strip steel
11/28/2012CN102796942A Method for determining upper limit of nitrogen content in U71Mn steel rail
11/28/2012CN102796911A Porous foam Fe-Ni metal explosion suppression material and application thereof
11/28/2012CN102796845A Method for adding rare earth in steel of stainless steel
11/28/2012CN102794449A Method for producing copper coated iron powder
11/28/2012CN102794440A Compound rare earth additive for low-ferromanganese-based memory alloy
11/28/2012CN102230140B Martensitic wear resistant steel production technology
11/28/2012CN102127704B 900MPa-level high-strength high-plasticity medium-carbon hot rolled steel and manufacturing method thereof
11/28/2012CN102127695B Production method of hot rolled steel coil
11/28/2012CN102127687B Method for producing hot-rolled steel coil
11/28/2012CN102127684B Method for producing hot rolled steel coils
11/28/2012CN102127617B Silicon-aluminum-calcium-magnesium alloy as well as preparation method and application thereof
11/28/2012CN102059271B Manufacture method of seamless steel tube for (ultra-)supercritical boiler
11/28/2012CN102021492B Low-carbon low-alloy abrasion-resistant steel and production method thereof
11/28/2012CN102021473B Method for preparing Fe3Al-Al2O3 composite material
11/28/2012CN101956145B Semi high speed steel cold-rolling intermediate roll and manufacturing method thereof
11/28/2012CN101906575B High-strength economical X70 pipeline steel hot-rolling flat plate and production method thereof
11/28/2012CN101838771B High-strength thick steel sheet excellent in distortion aging property, and process for producing the same
11/28/2012CN101748327B High-performance steel plate for building structure and method for manufacturing same
11/28/2012CN101736194B Wheel steel and preparation method as well as wheel thereof
11/28/2012CN101668873B Austenitic stainless steel excellent in intergranular corrosion resistance and stress corrosion cracking resistance, and method for producing austenitic stainless steel
11/28/2012CN101568660B Composite steel and method of thermally treating the same
11/28/2012CN101541991B Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same
11/28/2012CN101297055B Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet
11/28/2012CN101238233B Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
11/27/2012US8317946 Seamless steel pipe and method for manufacturing the same
11/27/2012US8317945 High-strength steel plate excellent in drop weight properties and base steel toughness
11/27/2012US8317944 9 Cr— 1 Mo steel material for high temperature application
11/27/2012US8317943 Ball for constant velocity joint and method for producing the same
11/27/2012CA2715660C Fire-resistant steel superior in weld joint reheat embrittlement resistance and toughness and method of production of same
11/22/2012WO2012158089A1 Improved bearing steel
11/22/2012WO2012157680A1 Martensitic stainless steel plate for bicycle disc brake rotor and manufacturing method therefor
11/22/2012WO2012157581A1 Hot stamp molded article, method for producing hot stamp molded article, energy absorbing member, and method for producing energy absorbing member
11/22/2012WO2012157542A1 Welding material and welded joint
11/22/2012WO2012157455A1 Untempered steel and untempered steel member
11/22/2012WO2012157268A1 High carbon thin steel sheet and method for producing same
11/22/2012WO2012157267A1 High carbon thin steel sheet and method for producing same
11/22/2012WO2012156428A1 High-strength flat steel product and method for producing same
11/22/2012WO2012130434A3 Method of heat treating a coated metal strip and heat treated coated metal strip
11/22/2012WO2012077150A3 Process for manufacturing high manganese content steel with high mechanical resistance and formability, and steel so obtainable
11/22/2012WO2011114227A3 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same
11/22/2012US20120295123 Steel plate for cold forging and process for producing same
11/22/2012US20120294752 Welding metal having excellent low-temperature toughness and drop-weight characteristics
11/22/2012US20120291927 Drawn heat treated steel wire for high strength spring use and pre-drawn steel wire for high strength spring use
11/22/2012CA2834245A1 Welding material and welding joint
11/22/2012CA2832901A1 Hot stamped article, method of producing hot stamped article, energy absorbing member, and method of producing energy absorbing member
11/21/2012EP2524972A1 High-strength steel plate having excellent formability, and production method for same
11/21/2012EP2524970A1 Extremely stable steel flat product and method for its production
11/21/2012EP2524065A1 Music string
11/21/2012CN202538730U Iron-chromium-aluminum-manganese belt for synthetic diamond cavity structure
11/21/2012CN102791901A 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
11/21/2012CN102791900A High-carbon steel wire with excellent suitability for wiredrawing and fatigue property after wiredrawing
11/21/2012CN102791899A Ferrite-based stainless steel for use in components of automobile exhaust system
11/21/2012CN102791898A High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor
11/21/2012CN102791897A Highly oxidation-resistant ferrite stainless steel plate, highly heat-resistant ferrite stainless steel plate, and manufacturing method therefor
11/21/2012CN102791896A High-strength hot-rolled steel plate and manufacturing method therefor
11/21/2012CN102791895A Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof
11/21/2012CN102791890A Spring steel and surface treatment method for steel material
11/21/2012CN102791400A Method for continuously casting steel and process for producing steel sheet
11/21/2012CN102787280A Boron-containing weather-proof thin strip steel and manufacturing method thereof
11/21/2012CN102787279A Boron-containing micro-alloy weather resisting steel and manufacturing method thereof
11/21/2012CN102787278A Boron-containing weather-proof thin strip steel and manufacturing method thereof
11/21/2012CN102787277A Medical nickel-free high-nitrogen austenite antimicrobial stainless steel, its preparation and its application
11/21/2012CN102787276A High magnetic induction oriented silicon steel and manufacturing method thereof