Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2008
06/25/2008CN100396808C Cold rolling glass-lined steel having excellent scale cracking resistance and extra-deep drawing property and manufacturing method thereof
06/25/2008CN100396520C Motorcar seat safety belt device
06/25/2008CN100396405C Alloy powder capable of producing compression stress in the fused-on layer
06/24/2008US7390577 For iron-containing surface layers of sliding bearings; carbon, manganese, sulfur, copper, iron and at least one of phosphorus, chromium or molybdenum; improved durability
06/24/2008US7390576 [Tx M1-x]y [Z]1-y where T is one or both of Fe and Co; M is one or both of Pt and Pd; Z is Ag, Cu, Bi, Sb, Pb and/or Sn; X represents 0.3-0.7, and Y represents 0.7-1.0; can be dispersed in a flow-enabling state with the particles in positions separated at prescribed spacing
06/24/2008US7390456 Powder-metallurgic method for producing highly dense shaped parts
06/19/2008WO2008073047A1 Plate of a plate heat exchanger, a plate heat exchanger made of these plates and use of this plate heat exchanger
06/19/2008WO2008072873A1 Formable high strength cold-rolled steel sheet with excellent weather resistance and method manufacturing the same
06/19/2008WO2008072866A1 Cold-rolled steel sheet with high yield ratio and excellent weather resistance
06/19/2008WO2008072665A1 Method for producing mold for glass molding
06/19/2008WO2008072664A1 Method for producing mold for glass molding
06/19/2008WO2008072645A1 Member excelling in damping capacity, process for producing the same and steel sheet employed as member excelling in damping capacity
06/19/2008WO2008072600A1 High-strength steel sheet
06/19/2008WO2008072504A1 Inner magnetic shield material
06/19/2008WO2008072485A1 High-performance elastic metal alloy member and process for production thereof
06/19/2008US20080145691 Articles having a continuous grain size radial gradient and methods for making the same
06/19/2008US20080145264 Mo-V-Ni high temperature steels, articles made therefrom and method of making
06/19/2008US20080145263 For forming tanks
06/19/2008US20080142126 Graded metallic structures and method of forming; and related articles
06/19/2008US20080142123 Ferritic stainless steel casting and sheet and method for producing the same
06/19/2008DE19911962B4 Kolbenring und eine Kombination von Verdichtungsringen Piston ring and a combination of compression rings
06/18/2008EP1932934A1 High-strenght steel plate resistant to strenght reduction resulting from stress relief annealing and excellent in weldability
06/18/2008EP1932933A1 Dead-soft high-carbon hot-rolled steel sheet and process for producing the same
06/18/2008EP1932932A1 Cold-rolled steel sheet excellent in coating curability in baking and cold slow-aging property and process for producing the same
06/18/2008EP1932931A2 Magnetic pulse-assisted casting of metal alloys and metal alloys produced thereby
06/18/2008EP1375689B1 Member having separation structure and method for manufacture thereof
06/18/2008EP1323840B1 Iron base mixed powder for high strength sintered parts
06/18/2008CN101203127A Rare earth Fe basis suction wave material and method for making the same
06/18/2008CN101202139A Soft magnetic alloy powder, compact, and inductance element
06/18/2008CN101200791A Low-cost oil casing pipe steel and method for producing the same
06/18/2008CN101200790A Oil-gas transportation large-scale high-pressure pipe fittings steel as well as pipes, pipe fittings and welding materials produced thereby
06/18/2008CN100395479C Machining process of high-performance stainless steel and seamless steel pipe
06/18/2008CN100395370C Memory alloy fish bolt fastener material for railway and preparation method thereof
06/18/2008CN100395369C Super hard no-Co high speed steel
06/18/2008CN100395368C Niobium titanium -combined microalloying steel for cooling-control reinforced bar and method for producing same
06/18/2008CN100395367C Ultra clean spring steel
06/18/2008CN100395366C Bainite steel for railroad carriage wheel
06/18/2008CN100395365C Fe-cr-si based non-oriented electromagnetic steel sheet and process for producing the same
06/18/2008CN100395364C Method for molten steel recarburization and vanadium alloying
06/18/2008CN100395055C Method for producing corrugated roller
06/17/2008US7387694 Method of making a hardened steel part, especially a roll load-bearing steel part
06/17/2008US7387692 Tool and bearing steels
06/17/2008US7387691 Hot forged non-heat treated steel for induction hardening
06/17/2008CA2425398C Austenitic stainless steel excellent in high temperature strength and corrosion resistance, heat resistant pressurized parts, and the manufacturing method thereof
06/17/2008CA2198676C Steel, steel sheet having excellent workability and method of producing the same by electric furnace-vacuum degassing process
06/12/2008WO2008069335A1 Weld steel pipe with excellent low-temperature toughness for high-strength thick-walled line pipe and process for producing the same
06/12/2008WO2008069289A1 Weld steel pipe with excellent low-temperature toughness for high-strength line pipe and process for producing the same
06/12/2008WO2008068968A1 Method for production of soft nitriding steel product
06/12/2008WO2007018048A8 Oil-tempered wire and process for producing the same
06/12/2008US20080138235 (CoFe)ZrNb/Ta/Hf Based Target Material and Method for Producing the Same
06/12/2008US20080138234 heat resistant and ductile chromium-molybdenum vanadium steel consisting by weight 0.08 to 0.12% C, 0.015% or less S, 0.02% P, 0.30 to 0.60% Si, 0.50 to 0.80% Mn 1.20 to 1.50% Cr, 0.90 to 1.00% Mo, 0.20 to 0.30 V, balance being Fe and 0.04 to 0.08% Nb
06/12/2008US20080138233 C not more than 0.03%, Si about 1%, Mn not more than 1.5%, Ni not more than 0.6%, Cr 10-20%, Nb not more than 0.5%, Ti 0.05-0.3%, Al more than 0.03% to 0.12%, Cu more than 1% to 2%, V not more than 0.2%, N not more than 0.03%, B 0.0005-0.02%, O not more than 0.01%, balance Fe; high strength, toughness
06/12/2008US20080138232 Duplex Stainless Steel
06/12/2008US20080135140 High Strength Formed Article Comprising Hyperfine Grain Structure Steel and Manufacturing Method of the Same
06/12/2008DE102006056932A1 Solidified mixed crystals of iron-nickel-alloy with high ductility and low expansion co-efficient, useful e.g. as filler metal, comprises e.g. carbon, sulfur, chromium, nickel, manganese, molybdenum, tungsten, titanium, niobium and iron
06/11/2008EP1930464A1 Transition metal nitride, fuel cell separator, fuel cell stack, fuel cell vehicle, method for producing transition metal nitride, and method for producing fuel cell separator for fuel cells
06/11/2008EP1930462A1 Assembly section carrying media or drinking water
06/11/2008EP1930461A1 Ferritic stainless steel for automobile exhaust gas passage components and welded steel pipe
06/11/2008EP1930460A1 Low alloy steel
06/11/2008EP1930459A1 High-toughness wear-resistant steel exhibiting little hardness change in service and process for production thereof
06/11/2008EP1930458A1 Oil-tempered wire and process for producing the same
06/11/2008EP1929059A1 Steel sheet for galvanizing with excellent workability, and method for manufacturing the same
06/11/2008EP1929058A2 Use of a steel composition for the production of an armouring layer of a flexible pipe and the flexible pipe
06/11/2008EP1929054A1 Methods for heat treating thick-walled forgings
06/11/2008CN101198768A Rotor for steam turbine and process for producing the same
06/11/2008CN101195897A Nano precipitated phase austenite antimicrobial stainless steel
06/11/2008CN101195896A Corrosion resistant, high-strength steel alloy for manufacturing principal axis and gear of speed reducing motor
06/11/2008CN101195895A Martensitic stainless steel with excellent tarnish resistance
06/11/2008CN101195894A Ferritic stainless steel containing rare earth element yttrium for solid-oxide fuel battery
06/11/2008CN101195893A Isothermal hardening bainite thin wall cylinder cover
06/11/2008CN101195892A Nichrome steel alloy for smelting stainless steel and producing method thereof
06/11/2008CN101195891A Nano precipitated phase martensite antimicrobial stainless steel
06/11/2008CN100394521C Forming method in magnetic field, and method for producing rare-earth sintered magnet
06/11/2008CN100394067C Pin for chain and method for manufacture thereof
06/11/2008CN100393903C Producing method of high-toughness low-alloy constructional steel
06/10/2008US7384488 Method for producing gears and/or shaft components with superior bending fatigue strength and pitting fatigue life from conventional alloy steels
06/10/2008US7384446 Mixed powder for powder metallurgy
06/10/2008US7383776 System and method for processing ferrotungsten and other tungsten alloys, articles formed therefrom and methods for detecting the same
06/05/2008WO2008066194A1 Free-cutting steel excellent in manufacturability
06/05/2008WO2008065903A1 R-Fe-B MICROCRYSTALLINE HIGH-DENSITY MAGNET AND PROCESS FOR PRODUCTION THEREOF
06/05/2008WO2008065136A2 Metal powder
06/05/2008WO2008064624A2 Iron-nickel alloy with a high level of ductility and a low expansion coefficient
06/05/2008US20080131305 Metal structure of a ferrite phase and a hard second phase dispersed in the ferrite phase; high strength with fast deformation, high absorption characteristics of impact energy, high workability; automobiles
06/04/2008EP1927667A1 A smelting process of ferronickel with nickel oxide ore free of crystal water in a blast furnace
06/04/2008EP1927666A1 A smelting process of ferronickel with nickel oxide ore containing of crystal water in a blast furnace
06/04/2008EP1926837A1 Process for manufacturing cold-formed precision steel pipes
06/04/2008EP1458908B1 A tubular member having an anti-galling coating
06/04/2008EP1446512B1 Martensitic stainless steel and method for manufacturing same
06/04/2008CN101194038A Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same
06/04/2008CN101194037A Austenitic stainless steel
06/04/2008CN101194032A Grain-oriented magnetic steel sheet with extremely high magnetic property and process for producing the same
06/04/2008CN101191225A Antiseptic wearable coat and coating method thereof
06/04/2008CN101191182A Nickel-saving high-strength stainless hot-rolling belt steel and preparation method thereof
06/04/2008CN101191181A Alloy steel for gear wheel and preparation method thereof
06/04/2008CN101191180A Ultra-high performance wearable high-manganese steel and producing method thereof
06/04/2008CN101191179A High speed steel material and preparation method thereof
06/04/2008CN101191178A Formulation and technique for casting high-strength automobile brake wheel hub
06/04/2008CN101191177A Spattering region corrosion resisting hot-rolling steel plate
06/04/2008CN101191176A Thick steel plate having excellent toughness and reduced softening in weld heat-affected zone
06/04/2008CN101191175A Alloy with negative expansion character and preparation method thereof