Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2013
05/01/2013CN103071971A Machining method for automotive front axle half shaft
05/01/2013CN103071800A Iron-based oil-containing bearing and manufacturing method thereof
05/01/2013CN103071799A Method for producing surface-densified powder metallurgic gear
05/01/2013CN103071772A Method for continuous casting production of 4Cr5MoSiV1 steel
05/01/2013CN103071753A Forging method of ball valve stem
05/01/2013CN103071751A Forging method for six throw crankshaft
05/01/2013CN103071749A Method for machining forklift pallet fork
05/01/2013CN103071746A Machining method for rear cylinder trunnion
05/01/2013CN103071745A Machining method for automotive rocker arm
05/01/2013CN102534369B Method for preparing N80 steel-grade expansion tubes for petroleum and natural gas exploitation
05/01/2013CN102409255B Alloy with insulated surface and preparation process thereof
05/01/2013CN102383064B Steel material for valve and preparation method for steel material
05/01/2013CN102363855B Method for improving susceptibility of flake formation of wheel steel by using second phase in steel
05/01/2013CN102330020B Manufacturing method for high-toughness steel plates with yield strength of 345 to 390MPa
05/01/2013CN102296246B Ultrahigh strength cast steel and preparation method as well as welding process thereof
05/01/2013CN102296231B Method for producing 0.25-0.35mm superfinishing cold-rolled sheet by continuous annealing line
05/01/2013CN102151695B Manufacturing method of Cold-rolled non-oriented high-silicon steel thin strip
05/01/2013CN102007227B Non-oriented electrical steel
05/01/2013CN101892426B Medium and high-carbon Bainite steel and preparation method thereof
05/01/2013CN101842508B Crystallographically textured metal substrate, crystallographically textured device, cell and photovoltaic module including such device and thin layer deposition method
05/01/2013CN101730752B Method for hot dip galvanising of AHSS or UHSS strip material, and such material
05/01/2013CN101370952B Enamelware and glaze
04/2013
04/30/2013US8431072 Cast alumina forming austenitic stainless steels
04/30/2013US8430977 Hollow drilling steel rod and method of manufacturing the same
04/30/2013US8430976 Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
04/30/2013US8430975 High strength galvanized steel sheet with excellent formability
04/30/2013CA2642935C Wire rods having excelling in wire drawability
04/25/2013WO2013058453A1 Iron-based alloy for powder injection molding
04/25/2013WO2013058274A1 Duplex stainless steel, duplex stainless steel slab, and duplex stainless steel material
04/25/2013WO2013058239A1 Oriented electromagnetic steel sheet and method for manufacturing same
04/25/2013WO2013058131A1 Bearing steel and method for producing same
04/25/2013WO2013032173A3 High-manganese steel with superior weldability and method for manufacturing hot-dipped galvanized steel sheet from same
04/25/2013WO2012056785A9 Steel for surface hardening for machine structural use, and steel component for machine structural use and process for producing same
04/25/2013WO2012048841A8 Method of hot forming a steel blank and the hot formed part
04/25/2013US20130101457 Steel for machine structure exhibiting excellent machinability
04/25/2013US20130098515 Multi-phase hot-rolled steel sheet having improved dynamic strength and a method for its manufacture
04/25/2013US20130098514 Ni-ADDED STEEL PLATE AND METHOD OF MANUFACTURING THE SAME
04/25/2013US20130098513 Ultra-high-strength steel bar and method for manufacturing same
04/25/2013DE112009002701T5 Gesinterte Eisenlegierung und Verfahren zu deren Herstellung sowie Gegenstand aus gesinterter Eisenlegierung Sintered iron alloy and process for their preparation as well as article of sintered iron alloy
04/24/2013EP2584059A1 Hot-dip al-coated steel sheet with excellent thermal blackening resistance and process for production of same
04/24/2013EP2584058A1 Alloy with low nickel content that can withstand high temperatures
04/24/2013EP2584054A1 Oriented electromagnetic steel plate production method
04/24/2013EP2583792A1 Saw wire
04/24/2013EP2583763A1 Cold drawing method for metal pipe, and process for production of metal pipe utilizing the method
04/24/2013EP2582856A1 Method for manufacturing mechanical components made of particularly wear-resistant austempered spheroidal cast iron
04/24/2013CN103069123A Heat transfer element for manifold
04/24/2013CN103069040A High-strength cold rolled steel sheet having excellent formability and crashworthiness and method for manufacturing the same
04/24/2013CN103069039A Electron beam welded joint, steel material for use in electron beam welded joint, and manufacturing method thereof
04/24/2013CN103069038A Grain oriented electrical steel sheet
04/24/2013CN103069037A Grain-oriented magnetic steel sheet and process for producing same
04/24/2013CN103069036A Oriented electromagnetic steel plate
04/24/2013CN103069035A Grain-oriented electrical steel sheet, and method for producing same
04/24/2013CN103069034A Grain-oriented electrical steel sheet, and method for producing same
04/24/2013CN103069033A Grain-oriented magnetic steel sheet and process for producing same
04/24/2013CN103069032A Grain oriented electrical steel sheet and method for manufacturing the same
04/24/2013CN103069031A Austenitic-ferritic stainless steel having improved machinability
04/24/2013CN103069021A Method for heat-treating structural material and heat-treated structural material
04/24/2013CN103069020A Electric resistance welded (ERW) steel pipe for oil well use and process for producing ERW steel pipe for oil well use
04/24/2013CN103068513A Flash-butt welded bearing component
04/24/2013CN103068497A Drawing method of metallic tube and producing method of mettalic tube using same
04/24/2013CN103063025A Large bottom plate made of forged blank for annular heating furnace and method for manufacturing large bottom plate
04/24/2013CN103063012A High-temperature wear-resistant water beam of air-guiding wall
04/24/2013CN103062223A Oil-impregnated sintered bearing and production method therefor
04/24/2013CN103060737A Cored wire for nanostructure-containing high-temperature oxidation corrosion resistant coating
04/24/2013CN103060722A Iron-based amorphous or nanocrystalline soft magnetic alloy and preparation method thereof
04/24/2013CN103060721A Production method of improved cast stainless steel pipe
04/24/2013CN103060720A Improved cast stainless steel pipe
04/24/2013CN103060719A Production method of rustproof and heat-resistant cast stainless steel pipe
04/24/2013CN103060718A Lean austenitic stainless steel containing stabilizing elements
04/24/2013CN103060717A Chromium-saved duplex stainless steel with phase-change plasticization effect and preparation method of chromium-saved duplex stainless steel with phase-change plasticization effect
04/24/2013CN103060716A Alloy material for shaft seal static ring of air conditioning compressor and production method thereof
04/24/2013CN103060715A Ultrahigh tough steel plate with low yield ratio and preparation method thereof
04/24/2013CN103060714A Corrosion-resistant low alloy steel plate for marine splash zones and production method thereof
04/24/2013CN103060713A High-steel-grade anti-sulfur drill pipe material and preparation method thereof
04/24/2013CN103060712A Stainless acid-resistant steel for boiler
04/24/2013CN103060711A Method for preparing stainless steel for boiler
04/24/2013CN103060710A Rustproof and heat-resistant cast stainless steel pipe
04/24/2013CN103060709A Precise stainless steel tube for nuclear power unit, and its making technology
04/24/2013CN103060708A High hardness and high toughness blade material
04/24/2013CN103060707A Coating material for replacing hard chromium plating and laser-cladding preparation method thereof
04/24/2013CN103060706A 高硬度、耐腐蚀刀片材料 High hardness, corrosion resistance blade material
04/24/2013CN103060705A Low-alloy high-wear-resistance cast steel
04/24/2013CN103060704A Preparation method of low-alloy high-wear-resistance cast steel
04/24/2013CN103060703A 780MPa grade cold rolling biphase strip steel and manufacturing method thereof
04/24/2013CN103060702A Casting method of abrasion-resistant steel
04/24/2013CN103060701A Non-oriented high-silicon electrical steel ribbon and its making method
04/24/2013CN103060700A Boride particle reinforced Fe-Cr-Al composite material and its preparation method
04/24/2013CN103060699A Processing method of cold-work die steel
04/24/2013CN103060698A Preparation process for corrosion-resistant die steel
04/24/2013CN103060697A Medium Cr ferrite stainless steel with ultra low content of C and N and manufacturing method thereof
04/24/2013CN103060696A High elasticity and corrosion resistant band tape material
04/24/2013CN103060695A Production method of alloy seamless steel tubes for petroleum refining
04/24/2013CN103060694A Preparation method of improved medium/low-carbon chrome-silicon-manganese martensite cast steel
04/24/2013CN103060693A Preparation method of medium-low carbon chrome-silicon-manganese martensitic cast steel
04/24/2013CN103060692A High corrosion resistance rare earth-iron chromium silicon carbon magnetocaloric material and preparation method thereof
04/24/2013CN103060691A Iron-based nanocrystalline ribbon and preparation method thereof
04/24/2013CN103060690A High-strength steel plate and manufacturing method thereof
04/24/2013CN103060689A Preparation method of wear-resisting steel plate for mining machinery
04/24/2013CN103060688A Wear-resisting steel plate for mining machinery
04/24/2013CN103060687A Boride-containing austenit - bainite abrasion resistant alloy and preparation method thereof
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