Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
03/2014
03/26/2014CN103667892A Ground grid alloy material resisting to acid soil corrosion and wearing
03/26/2014CN103667891A Alloy steel material of pump for delivering mixed acid liquid containing chloride radical, and preparation method thereof
03/26/2014CN103667890A Alloy steel material for pump shaft and preparation method thereof
03/26/2014CN103667889A Forging process of austenite high-manganese steel
03/26/2014CN103667888A Austenitic high manganese steel for forging
03/26/2014CN103667887A Preparation method of FeCo alloy absorbing material
03/26/2014CN103667886A Sintering-cooling production operation process of high-performance magnetic steel
03/26/2014CN103667885A Pt-containing nanometer twin crystal steel used in medical field and preparing method of Pt-containing nanometer twin crystal steel
03/26/2014CN103667884A Preparation method for 1400 MPa level cold-rolled ultrahigh-strength automobile-used steel with low yield ratio and high elongation ratio
03/26/2014CN103667883A Low-density and high-toughness automobile-used steel board and preparation process
03/26/2014CN103667882A High-plasticity steel hot-rolled coil for welded gas cylinder and production technology of high-plasticity steel hot-rolled coil
03/26/2014CN103667881A Method for producing high-magnetic-induction oriented silicon steel
03/26/2014CN103667880A High hole expansion steel plate with tensile strength of 440MPa and manufacturing method thereof
03/26/2014CN103667879A Non-oriented electrical sheet with superior magnetic and mechanical properties, and production method of non-oriented electrical sheet
03/26/2014CN103667878A Steel strip for thin-wall oil bucket and manufacturing method thereof
03/26/2014CN103667877A Production method for wire rod for steel wool
03/26/2014CN103667876A Multi-metal composite wear-resistant elbow pipe and preparation method thereof
03/26/2014CN103667875A Preparation method of low-carbon acid-resistant pipeline steel
03/26/2014CN103667874A Production method for shortening furnace time of oriented silicon steel during high-temperature annealing period
03/26/2014CN103667873A Powder metallurgy high-speed steel and preparation method thereof
03/26/2014CN103667872A Permanent magnet and manufacturing method thereof
03/26/2014CN103667871A Processing technology for mantle fiber-free deformed steel bar
03/26/2014CN103667870A Double-liquid double-metal oil quenching hammer and machining method thereof
03/26/2014CN103667852A Chrome-silicon content control method of chrome-containing steel ball
03/26/2014CN103667850A Ceramic steel
03/26/2014CN103667743A Treatment method of laterite-nickel ore
03/26/2014CN103667742A Treatment method of laterite-nickel ore
03/26/2014CN103667651A Preparation method of high-strength hot rolled steel for automobile
03/26/2014CN103667650A Preparation method of hot rolled steel for automobile wheel rim
03/26/2014CN103667649A Nb-treated hot-galvanized ultra-low carbon bake-hardening steel plate and manufacture method thereof
03/26/2014CN103667648A Method for producing microalloyed tubular steel in combined casting-rolling installation and microalloyed tubular steel
03/26/2014CN103667610A Heat treatment process of antimicrobial martensitic stainless steel
03/26/2014CN103660790A Baby carriage wheel mounting device
03/26/2014CN103658668A Method for preparing iron-based prealloy powder
03/26/2014CN103658636A Powder metallurgy composition and method for manufacturing sensor chain block of knitting machine
03/26/2014CN103658635A Process for forming bonding rare-earth permanent-magnet alloy
03/26/2014CN103658606A Vertical water-cooling lead anode casting mold plate
03/26/2014CN103658479A Technology for forging squeeze roller of cement roller press
03/26/2014CN103658170A Rolling method for pipeline steel and steel pipe
03/26/2014CN102925812B Hot rolling diaphragm spring steel for automobile and production method of hot rolling diaphragm spring
03/26/2014CN102925790B Method for producing high-strength and elongation product automobile steel plate by continuous annealing technology
03/26/2014CN102888568B Austenite nickel-saving and heat-resisting steel plate and manufacturing method thereof
03/26/2014CN102808136B Manufacturing method for filter net body material of ultra-supercritical turbine in megawatt unit
03/26/2014CN102770568B Super-high strength cold-rolled steel sheet having excellent bending properties
03/26/2014CN102758140B High-carbon microalloying steel ball and production process thereof
03/26/2014CN102747301B High-strength stainless steel cold-rolled sheet strip and manufacturing method thereof
03/26/2014CN102732802B Boiler-steam-drum-use steel with thickness no lower than 80mm, and production method thereof
03/26/2014CN102719759B Elastic bar steel for high-speed rail fastener and smelting production method thereof
03/26/2014CN102703839B High-strength free-cutting steel
03/26/2014CN102703811B Titanium micro-alloyed 400MPa grade high-strength steel bar and production method thereof
03/26/2014CN102703810B Automobile steel with low carbon equivalent and production method thereof
03/26/2014CN102699031B 900 MPa grade ultrahigh-toughness low alloy steel and manufacture method thereof
03/26/2014CN102660711B Steel for petroleum casing connecting piece and manufacturing method thereof
03/26/2014CN102644038B Production method of steel for automobile connecting rods
03/26/2014CN102619477B Wear and corrosion resistant iron-based alloy laser-cladding petroleum drill stem joint
03/26/2014CN102534395B Iron chromium soft magnetic alloy and its preparation method
03/26/2014CN102517492B Preparation method of intercritical annealing treated vanadium-containing extra-deep drawing dual phase steel
03/26/2014CN102292460B Wire material, steel wire, and process for production of wire material
03/26/2014CN102242315B Oxide metallurgy method for refining structure of wheel steel
03/26/2014CN101421073B Hard-facing alloys having improved crack resistance
03/25/2014US8679654 Magnetic recording medium including plural FePt alloy layers including carbon, oxides or nitrides
03/25/2014US8679267 Ductile metallic glasses in ribbon form
03/25/2014US8679265 High-strength cold-rolled steel sheet
03/25/2014US8679222 Process for producing sponge iron
03/25/2014CA2806263C Steel sheet for hot pressing and method of manufacturing hot-pressed part using steel sheet for hot pressing
03/25/2014CA2766042C Iron-based mixed powder for powder metallurgy
03/20/2014WO2014042066A1 Helical compression spring and method for manufacturing same
03/20/2014WO2014041996A1 High-tensile-strength steel plate with excellent low -temperature toughness and manufacturing process therefor
03/20/2014WO2014041976A1 Machine component made of ferrous sintered metal
03/20/2014WO2014041802A1 Hot-rolled steel sheet and method for manufacturing same
03/20/2014WO2014041801A1 Hot-rolled steel sheet and method for manufacturing same
03/20/2014WO2014041136A1 High strength and low density particle-reinforced steel with improved e-modulus and method for producing said steel
03/20/2014WO2014040783A1 TiC-PARTICLE-REINFORCED HIGH STRENGTH AND LOW DENSITY STEEL PRODUCTS WITH IMPROVED E-MODULUS AND METHOD FOR PRODUCING SAID PRODUCT
03/20/2014WO2014040585A1 Steel alloy for a low-alloy, high-strength steel
03/20/2014WO2014040093A1 Method for producing bainitic rail steels, track element and installation for carrying out the method
03/20/2014US20140079585 High speed tool steel, material for blade edge, cutting tool, and manufacturing method of material for blade edge
03/20/2014US20140076470 Method for the production of very high strength martensitic steel and sheet or part thus obtained
03/20/2014US20140076469 High carbon thin steel sheet and method for producing same
03/20/2014US20140076260 Corrosion and wear resistant iron based alloy useful for internal combustion engine valve seat inserts and method of making and use thereof
03/20/2014DE102012018551A1 Stainless steel element, useful in pressure measurement system and as disk-shaped membrane, where element is made of an austenitic chrome-nickel steel and material edge zone of element has increased strength and hardness
03/19/2014EP2708621A1 Laser cladding method
03/19/2014EP2708615A1 Non-oriented electromagnetic steel sheet
03/19/2014EP2708614A2 Wire rod having good superior surface properties, high strength, and high toughness, and a method for manufacturing same
03/19/2014EP2708613A1 Hot stamp molded article, method for producing hot stamp molded article, energy absorbing member, and method for producing energy absorbing member
03/19/2014EP2708612A1 Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same
03/19/2014EP2708611A1 Heat-resistant austenitic stainless steel having excellent cyclic oxidation resistance
03/19/2014EP2708610A1 Vehicle collision energy absorbing member having high collision energy absorbing power, and method for manufacturing same
03/19/2014EP2708310A1 Welding material and welded joint
03/19/2014EP2707515A1 Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained
03/19/2014EP2707514A1 Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets
03/19/2014EP2707513A1 Method for the production of very-high-strength martensitic steel and sheet or part thus obtained
03/19/2014CN103650198A Surface-treated steel sheet for battery case, process for producing same, battery case, and battery
03/19/2014CN103650074A Magnetic material and coil component employing same
03/19/2014CN103649356A Classes of modal structured steel with static refinement and dynamic strengthening
03/19/2014CN103649355A Hot-rolled high-strength steel strip with improved HAZ-softening resistance and method of producing said steel
03/19/2014CN103649354A Wire rod having superior hydrogen delayed fracture resistance, method for manufacturing same, high strength bolt using same and method for manufacturing bolt
03/19/2014CN103649353A Steel sheet for can and process for producing same
03/19/2014CN103649352A Magnetic refrigeration material and magnetic refrigeration device
03/19/2014CN103649351A High strength hot-rolled steel sheet for welded steel line pipe having excellent souring resistance, and method for producing same
03/19/2014CN103649345A Non-oriented electrical steel sheet with excellent magnetic property and manufacturing method thereof
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