Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2007
10/03/2007CN101045238A Online softening rolling method for medium carbon alloy cold forging steel
10/03/2007CN100340897C Spectacle frame
10/03/2007CN100340691C Bainite die steel in large section for plastic and preparation method
10/03/2007CN100340690C Steel pipe with good formable character and producing method thereof
10/03/2007CN100340678C A method for enduing high-vanadium high-cobalt high-speed steel with superplasticity property
10/02/2007US7276012 Radial needle-like roller bearing and pinion shaft
09/2007
09/27/2007WO2007108365A1 Rolled material for fracture split connecting rod excelling in fracture splittability, hot forged part for fracture split connecting rod excelling in fracture splittability, and fracture split connecting rod
09/27/2007WO2007108344A1 High-strength steel excellent in weldability and process for production thereof
09/27/2007WO2007108176A1 Thermoelectric conversion material
09/27/2007WO2007082786A8 Galvanized rolling-hardened cold-rolled flat product and process for producing it
09/27/2007US20070224037 Geothermal turbine
09/27/2007US20070221396 Composite Wire for Wire-Harness and Process for Producing the Same
09/27/2007DE102004029594B4 Kraftfahrzeug Motor vehicle
09/26/2007EP1837415A1 Alloy for roller bearings
09/26/2007EP1837414A1 Decorative product and timepiece
09/26/2007EP1837413A1 Rolling-sliding elements and process for production of the same
09/26/2007EP1836328A1 An austenitic steel and a steel product
09/26/2007EP1836327A2 High-strength four-phase steel alloys
09/26/2007CN101041886A Alloy ball iron guide disc for precision tube grimper
09/26/2007CN101041885A Steel for plastic molds and process of heat treatment thereof
09/26/2007CN101041884A Alloy for roller bearing
09/26/2007CN101041883A Seawater and humid environment corrosion resistant steel
09/26/2007CN101041882A Method for producing martensitic stainless steel tubes
09/26/2007CN101041881A Granule carbonide reinforced ferritic steel and preparation method thereof
09/26/2007CN101041880A Steel plate having welding joint with excellent tenacity and manufacturing method thereof
09/26/2007CN101041879A Hot-rolled super-strength martensitic steel and method for manufacturing same
09/26/2007CN101041878A Low-manganese low- sulfur raw material ferroferrite for amorphous usage and method of production
09/26/2007CN101041222A Cold-rolled non-oriented electrical steel and the method for preparing the same
09/26/2007CN101041165A Low-aliquation high-speed steel roll and the preparing method
09/26/2007CN100339500C Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
09/25/2007US7273584 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels
09/25/2007US7273508 Base matrix phase, hard particles dispersed in the base matrix phase, the first hard particles of a cobalt-based intermetallic compound and a cobalt-based intermetallic compound; wear resistance and reduced opposite aggressibility to a mating valve
09/25/2007CA2477420C Low alloy steel
09/20/2007WO2007105752A1 Steel sheet for submerged arc welding
09/20/2007WO2007105429A1 Iron-base mixed powders and processes for production of iron-base powder compacts and sintered iron-base powder compacts
09/20/2007WO2007105410A1 High-strength stainless steel spring and process for manufacturing the same
09/20/2007US20070218333 Metal-Oxide Containing Substrate and Manufacturing Method Therefor
09/20/2007US20070217942 prevent the hydrogen induced cracking; reducing the size of TiN at most 30 mu m and preventing TiN from being generated
09/20/2007US20070217941 HIGH-Cr HIGH-Ni, HEAT-RESISTANT, AUSTENITIC CAST STEEL AND EXHAUST EQUIPMENT MEMBERS FORMED THEREBY
09/20/2007US20070215252 Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast part
09/20/2007US20070215251 Alloy for roller bearing
09/20/2007DE102007012035A1 Ferrite material, useful for the production of ferrite film, which is used in radio frequency identification-marker, comprises metal-oxide composition, which consists of iron, nickel, zinc and cobalt
09/20/2007CA2644892A1 Steel plate for submerged arc welding
09/20/2007CA2582185A1 Alloy for roller bearing
09/19/2007EP1553197B1 Steel material for mechanical structure excellent in suitability for rolling, quenching crack resistance, and torsional property and drive shaft
09/19/2007CN101039811A Annular concentrically twisted bead cord
09/19/2007CN101037931A Self-lubricating ferrous alloy spray welding sucker rod joint
09/19/2007CN101037773A Decorative product and timepiece
09/19/2007CN101037762A High-temperature antifriction metal
09/19/2007CN101037761A Composite flitch of aluminum oxide cooler and heat-resistant alloy thereof
09/19/2007CN101037760A High-carbon high-high-vanadium high-speed steel composite roller and heat treatment method thereof
09/19/2007CN101037759A High-strength abrasion-proof thermostable nano alloyed steel material and producing method thereof
09/19/2007CN101037758A Special steel for knife tool
09/19/2007CN101037757A Low yield ratio and high tension steel material excellent in toughness of weld heat-affected zone, and process for producing the same
09/19/2007CN101036968A Method for producing deep drawing skin-passed hot-dip galvanizing sheet steel
09/19/2007CN100338656C Magnetic recording disk with antiferromagnetically-coupled magnetic layer having multiple lower layers
09/19/2007CN100338374C Sintered chain gear for silent chain and producing method thereof
09/19/2007CN100338373C Sintered chain gear for silent chain and producing method thereof
09/19/2007CN100338252C Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating thereon
09/19/2007CN100338237C Martensitic stainless steel and steelmaking process
09/18/2007US7270719 Method for manufacturing surface hardened stainless steel with improved wear resistance and low static friction properties
09/18/2007CA2458508C High-strength and low-thermal expansion cast steel
09/18/2007CA2266564C High-strength high-toughness steel products and production method thereof
09/13/2007WO2007102533A1 Machine element, constant velocity universal joint and process for manufacturing them
09/13/2007WO2007102489A1 Low-carbon resulfurized free-cutting steel material
09/13/2007WO2007102391A1 R-Fe-B RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME
09/13/2007WO2007102282A1 Process for producing grain-oriented magnetic steel sheet with excellent magnetic property
09/13/2007WO2007101921A1 Process for manufacturing steel sheet having very high strength, ductility and toughness characteristics, and sheet thus produced
09/13/2007US20070212249 Thin cast strip product with microalloy additions, and method for making the same
09/13/2007US20070211972 Ball Element for Two-Part Ball Pivots and Process for Manufacturing Same
09/13/2007US20070209738 High strength and high toughness alloy with low density and the method of making
09/12/2007EP1832667A1 Method of producing steel sheets having high strength, ductility and toughness and thus produced sheets.
09/12/2007EP1832666A2 High-strength steel material with excellent hydrogen embrittlement resistance
09/12/2007EP1831417A1 Precipitation hardenable martensitic stainless steel
09/12/2007EP1831416A1 Method to obtain a manganese steel alloy, and manganese steel alloy thus obtained
09/12/2007EP1636392B1 High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same
09/12/2007EP1473375B1 Steel wire excellent in descalability in mecanical descaling and method for production thereof
09/12/2007EP1449932B1 Free-cutting steel
09/12/2007EP1444373B1 Steel plate having superior toughness in weld heat-affected zone and method for manufacturing the same, welding fabric using the same
09/12/2007EP1271582B1 Metal foil excellent in electrical contact stability
09/12/2007EP1240700B1 Bulk amorphous metal magnetic components for electric motors
09/12/2007CN101036202A 稀土类烧结磁铁 Rare earth sintered magnet
09/12/2007CN101035922A Highly resistant, stainless, austenitic steel
09/12/2007CN101035921A High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof
09/12/2007CN101035920A Production of ferro-alloys
09/12/2007CN101033536A Carburized machine parts
09/12/2007CN101033529A High yield ratio high tension steel plate with excellent inhibition of fatigue craze progression and toughness of welding heat affected zone
09/12/2007CN101033528A Stainless steel with middle content of chromium and carbon and preparing method thereof
09/12/2007CN101033527A Stainless steel with high content of chromium and middle content of carbon and preparing method thereof
09/12/2007CN101033526A Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof
09/12/2007CN101033525A Hot-rolled sheet strip steel for straight welding petroleum sheath and producing method thereof
09/12/2007CN101033524A Hot-rolled sheet strip steel for thread gluing resistant straight welding petroleum oil line and producing method thereof
09/12/2007CN101033523A Hot-rolled steel sheet for automobile and producing method thereof
09/12/2007CN101033522A Dual phase steel of ferrite and bainite
09/12/2007CN101033521A Steel plate for producing automobile brake block and producing method
09/12/2007CN101033520A AlSi type economical and weather resistant steel
09/12/2007CN101033513A Method of manufacturing seamless steel pipe for inhibiting hydrogen resulted abscission layer defect
09/12/2007CN100336930C Steel sheet for container and method of producing the same
09/11/2007US7267794 Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same
09/11/2007US7267730 Ferrite stainless steel for automobile exhaust system member superior in thermal fatigue strength