Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
10/2007
10/18/2007WO2007116857A1 Bead cord and vehicle tire
10/18/2007WO2007116740A1 Arc start material for electroslag redissolution of super alloy and arc stating method employing that arc start material
10/18/2007WO2007116599A1 Steel plate having excellent fine blanking processability and method for manufacture thereof
10/18/2007WO2007116593A1 Corroson-resistant steel material for crude oil storage tank, and crude oil storage tank
10/18/2007WO2007116356A2 Cutting members for shaving razors
10/18/2007US20070240794 Ultrahigh strength UOE steel pipe and a process for its manufacture
10/18/2007DE102007011269A1 Use of alloy as inner surface of reaction vessel in hydrothermal gasification of salt-containing educts
10/17/2007EP1844173A1 Method for producing austenitic iron-carbon-manganese metal sheets, and sheets produced thereby
10/17/2007EP1844172A1 Iron-based powder combination
10/17/2007CN200961674Y Welding large gear of converter slanting device secondary speed reducer
10/17/2007CN101057002A 双相不锈钢 Duplex stainless steel
10/17/2007CN101057001A Method for producing steel with high manganese and low carbon content and smelter
10/17/2007CN101056729A Method for producing soft magnetic metal powder coated with Mg-containing oxide film and method for producing composite soft magnetic material from the powder
10/17/2007CN101055777A Magnetic material with the magnetic field driving martensite phase change effect and its making method
10/17/2007CN101054653A Process for producing heat-proof non-stick steel
10/17/2007CN101054652A Ball grinding machine lining board and manufacturing method thereof
10/17/2007CN101054651A Austenitic stainless steel with excellent anti-bacterium capability
10/17/2007CN101054650A Steel for large diameter non-tempering petroleum sleeve
10/17/2007CN101054649A Sulfur erosion resisting steel and smelting method thereof
10/17/2007CN101054647A Method of producing low-temperature high-toughness steel and steel plate
10/17/2007CN101054646A Method for preparing permanent magnet material
10/17/2007CN101053936A Medium-carbon micro titanium alloy steel tooth cover and its producing technology method
10/17/2007CN100343411C Steel for processing movement limiting core stick of continuous tube grimper and its producing process
10/17/2007CN100343410C High-grade duplex stainless steel with much suppressed formation of intermetallic phases and having an excellent corrosion resistance , embrittlement resistance, castability and hot workability
10/17/2007CN100343409C Cold work steel and cold work tool
10/17/2007CN100343408C High tensile strength high toughness low yield ratio bainite steel and its production method
10/17/2007CN100343407C Strength-ductility balanced plate steel with excellent weldability and manufacturing methods thereof
10/17/2007CN100343406C Method for preparing micron crystal iron base marmen blocks
10/17/2007CN100343405C Fe-Ni based alloy for shadow mask raw material excellent in corrosion resistance and shadow mask material
10/17/2007CN100343396C Method of producing molten iron in duplex furnaces
10/16/2007US7282103 Power and high frequency transformers; incorporating controlled amount of phosphorous; using low cost general purpose steel; suppressing crystallization
10/16/2007US7282078 contain Cr7C3-type and/or M6C-type carbides precipitately dispersed in an iron-based martensite parent phase which has a hardness of HRC 50 when tempered at up to 600 degrees C ; high density, high seizure resistance
10/11/2007WO2007114781A1 Hot-working steel
10/11/2007WO2007114491A1 Heat-treatment steel for high-strength spring
10/11/2007WO2007114490A1 Heat-treatment steel for high-strength spring
10/11/2007WO2007114413A1 High-strength seamless steel pipe for mechanical structure which has excellent toughness and weldability, and method for manufacture thereof
10/11/2007WO2007114261A1 High-strength cold rolled steel sheet excelling in chemical treatability
10/11/2007WO2007114246A1 Method for production of martensitic stainless steel pipe
10/11/2007WO2007114100A1 Process for producing steel for high-carbon steel wire material with excellent drawability and fatigue characteristics
10/11/2007WO2007114077A1 Process for producing seamless two-phase stainless-steel pipe
10/11/2007WO2007087786A8 Iron-nickel-cobalt alloy
10/11/2007WO2007027724A3 Steel compositions, methods of forming the same, and articles formed therefrom
10/11/2007US20070235112 Cold rolled full hard steel strapping
10/11/2007CA2659249A1 Hot-working steel
10/11/2007CA2650452A1 Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
10/10/2007EP1842936A1 Frictional material
10/10/2007EP1255873B9 Maraging type spring steel
10/10/2007CN101052736A Magnetic shielding steel sheet for color cathode-ray tube
10/10/2007CN101052735A Non-oriented electromagnetic steel sheet with excellently low iron loss
10/10/2007CN101052734A Bio-Co-Cr-Mo alloy with ion elution suppressed by regulation of texture, and process for producing the same
10/10/2007CN101052731A Steel sheet having high AI content and exhibiting excellent workability and method for production thereof
10/10/2007CN101050510A New type roller made from hard material suitable to tandem mill for bars and wire rods, and manufacturing method
10/10/2007CN101050509A Martensite ageing stainless steel with high strength and high toughness
10/10/2007CN101050508A Corrosion resistant structural steel with ultra high strength
10/10/2007CN101050507A Steel with excellent corrosion resistance for shipping
10/10/2007CN101050505A Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method
10/10/2007CN101050504A Soldering not quenching and tempering steel plate in high intensity by large line energy, and manufacturing method
10/10/2007CN101050503A Soldering low alloy steel plate in high intensity by large line energy, and manufacturing method
10/10/2007CN101050502A Soldering boat deck steel in high intensity by large line energy, and manufacturing method
10/10/2007CN101050481A Composite alloy of Al ¿C Mg ¿C Ca ¿C Fe with lower carbon, silicon, phosphor, and sulfur in use for final steelmaking deoxidizer
10/10/2007CN101050480A Complex ferroalloy of aluminum, nickel, copper with lower carbon and silicon in use for final steelmaking deoxidizer
10/10/2007CN101049669A Preparation method for cold rolling sheet of duriron
10/10/2007CN100342053C High toughness high hardenability spring steel material
10/10/2007CN100342052C Metamorphic hot-work die steel
10/10/2007CN100342051C Economy type weathering-resistant steel
10/10/2007CN100342039C Method of thermo-mechanical-treatment for Fe-Mn-Si shape-memory alloy doped with Nb,C
10/09/2007US7279228 Wear-resistant sintered contact material, wear-resistant sintered composite contact component and method of producing the same
10/04/2007WO2007111285A1 High-strength pearlite rail with excellent delayed-fracture resistance
10/04/2007WO2007111258A1 Cold finish seamless steel pipe for drive shaft and method for producing the same
10/04/2007WO2007111188A1 Cold-rolled steel sheet, process for producing the same, and cell and process for producing the same
10/04/2007WO2007111164A1 High-strength steel sheet having excellent workability
10/04/2007WO2007111080A1 Hot-rolled ultrasoft high-carbon steel plate and process for production thereof
10/04/2007US20070231183 Microalloying by heating the iron alloy melt to about 1600-1610 degrees C., afterslagging and deoxidizing, and adding fine particle of iron/titanium, iron/rareearth and iron/boron particles packed in a thin plastic bag into the ladle;cost efficiency; free of molybdenum and nickel; pyrometallurgy
10/04/2007US20070231180 Containing at least one or more types of metal selected from a group having a higher standard oxidation potential than iron; rust prevention effect of sintered bodies such as sintered machine parts can be exponentially improved without changing conventional sintered body manufacturing process
10/04/2007US20070227634 Forged or Stamped Average or Small Size Mechanical Part
10/04/2007US20070227301 Reduction of a melt of iron ore and a carbonaceous reducucing agent, such as coke, and a basic slag; heating, carburizing, melting, and causing cohesion; metallurgy; high-purity iron particles, diameter, 1-30 mm; < .50% sulfur, carbon, silicon, manganese
10/04/2007DE19707033B4 Wälzlager Rolling bearings
10/04/2007DE102006015834A1 Weld bolts are made of a manganese- and silicon-containing steel alloy that has been cold-worked to increase its strength
10/04/2007DE102005054847B3 Hochfestes Stahlbauteil mit gezielter Deformation im Crashfall High-strength steel component with targeted deformation in the event of a crash
10/04/2007CA2646734A1 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same
10/04/2007CA2645858A1 High-strength pearlitic steel rail having excellent delayed fracture properties
10/03/2007EP1840906A1 Magnetic core for current transformer, current transformer and watthour meter
10/03/2007EP1840237A1 Martensitic stainless steel pipe for oil well
10/03/2007EP1838890A1 Duplex stainless steel having excellent corrosion resistance with low nickel
10/03/2007EP1337678B1 Steel plate to be precipitating tin+mns for welded structures, method for manufacturing the same and welding fabric using the same
10/03/2007EP1281782B1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same
10/03/2007EP1274868B1 Method for the production of a part of a rolling bearing
10/03/2007EP1198604B1 Nickel-poor austenitic steel
10/03/2007CN101048525A Creep-resistant maraging heat-treatment steel
10/03/2007CN101048524A Steel pipe for air bag inflator and method for production thereof
10/03/2007CN101048523A Grain-oriented electromagnetic steel sheet and process for producing the same
10/03/2007CN101046225A Wheel-support rolling bearing unit
10/03/2007CN101045979A Soft magnetic structural steel plate with excellent welding performance and its making process
10/03/2007CN101045978A Manufacturing method for seamless steel pipe
10/03/2007CN101045977A 800 MPa level thick steel plate with high toughness and low yield ratio and its making process
10/03/2007CN101045976A Thick steel plate for low temperature use and capable of being welded in superhigh energy and its production process
10/03/2007CN101045975A RE Invar alloy and its production process
10/03/2007CN101045974A Manufacturing method for pressing-bend cool-forming round steel pipe with excellent shake proof property
10/03/2007CN101045973A SPHD level cold rolled deep-drawing steel and its smelting process
10/03/2007CN101045972A Wear-resistant bainite cast steel liner plate and its manufacture process