Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/2004
06/09/2004EP0828862B2 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles
06/09/2004DE10353222A1 Sperrklinken-Spannvorichtung Ratchet tensioning device
06/09/2004DE10258809A1 Use of steel alloy as material for air-hardened or air-tempered piping systems used in production of shock absorbers
06/09/2004DE10255260A1 Verwendung einer Stahllegierung als Werkstoff zur Herstellung von Rohrleitungen für Kraftfahrzeuge Use of a steel alloy as a material for producing pipelines for motor vehicles
06/09/2004CN1503853A Zinc-base hot dip galvanized steel sheet excellent in retention of gloss
06/09/2004CN1503852A Reinforced durable tool steel method for the production thereof method for producing parts made of said steel and parts thus obtained
06/09/2004CN1503851A Sulfur-containing free-cutting steel
06/09/2004CN1503708A High mechinability iron base sintered alloy for valve seat inserts
06/09/2004CN1502716A SUS 304 stainless steel with deep drawability
06/09/2004CN1502715A Calcium processing vanadium-nitrogenium-titanium micro-alloying non-quenched and tempered steel and preparation technology thereof
06/09/2004CN1153227C Grain-oriented electromagnetic steel sheet and process for producing the same
06/09/2004CN1153226C Production method of aerotropic rare earth magnetic powder
06/09/2004CN1152973C Stainless steel of brake disk
06/09/2004CN1152972C High-strength alloy strip for cooroding plane screen frame with fine perforating permanent
06/09/2004CN1152971C High carbon steel pipe excellent in cold formabiltiy and high frequency hardenability and method for producing the same
06/09/2004CN1152970C Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
06/08/2004US6746549 High strength, tensile strength; railroads
06/08/2004US6746548 Triple-phase nano-composite steels
06/08/2004US6746365 Toroidal-type continuously variable transmission
06/03/2004WO2004046407A1 Special steel as hot-cool composite material and manufacturing process thereof
06/03/2004WO2004046406A1 HIGH-Al STAINLESS STEEL PLATE AND DOUBLE-LAYERED PLATE, PROCESS FOR PRODUCING THE SAME, A HONEYCOMB STRUCTURE THEREFROM AND PROCESS FOR PRODUCING THE HONEYCOMB STRUCTURE
06/03/2004WO2004046405A1 Steel for spring being improved in quenching characteristics and resistance to pitting corrosion
06/03/2004WO2002070769A8 Steel article
06/03/2004US20040106483 Ratchet type tensioner
06/03/2004US20040105997 steel has specified levels of impurities and nitrogen to aluminum ratio; tensile strength increased by press forming and heat treatment while maintaining excellent deep drawability in press forming; structural strength
06/03/2004US20040105777 Method for the production of a part of a rolling bearing
06/03/2004US20040105776 Thixocast Fe-based alloy material and process for heating the same
06/03/2004US20040103962 Suitable as raw material steel sheets for molded products such as building members, mechanical structural parts, automobile structural parts
06/03/2004US20040103959 Wear resistance, hardenability and tempering resistance, and hardness and toughness; for use in screws and barrels for feeding and conducting plastic masses in machines for the manufacturing of plastic components, molds, knives, rolling mills
06/03/2004US20040103753 Hard particle, wear-resistant iron-base sintered alloy, method of manufacturing the same, and a valve seat
06/03/2004DE19714948B4 Wasserbeständiges Wälzlager mit langer Lebensdauer Water resistant bearings with long life
06/02/2004EP1423549A1 Use of a duplex stainless steel alloy
06/02/2004EP1423548A1 Duplex steel alloy
06/02/2004EP1423547A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
06/02/2004EP1354070B1 High-strength isotropic steel, method for making steel plates and resulting plates
06/02/2004EP1199375B1 Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability
06/02/2004CN1501411A R-Fe-B sintered magnet
06/02/2004CN1501410A A magnetic strap material having high strain shape memory effect and preparing method thereof
06/02/2004CN1500894A Austenitic stainless steel having low nickel content
06/02/2004CN1152407C Rare-earth metal permanent magnet and method for producing same
06/02/2004CN1152149C Steel for burglarproof apparatus
06/02/2004CN1152148C High-strength bolt steel
06/02/2004CN1152147C Unmodified steel for sucker rod and process for manufacturing the same
06/01/2004US6744342 High performance bulk metal magnetic component
06/01/2004US6743307 High resistance steel band or sheet and method for the production thereof
06/01/2004US6743306 Steel sheet and method for manufacturing the same
06/01/2004US6743305 Martensite stainless steels; tensile strength, toughness
06/01/2004US6743304 Low core loss, formability such as punching property, rust resistance
06/01/2004CA2131652C Sulfur-containing powder-metallurgy tool steel article
06/01/2004CA2061763C Prealloyed high-vanadium, cold work tool steel particles and method for producing the same
05/2004
05/27/2004WO2004044250A2 Martensitic alloy steels having intermetallic compounds and precipitates as a substitute for cobalt
05/27/2004WO2004020684A9 Zinc alloy and process for hot-dip galvannealing of steel
05/27/2004WO2004015723A3 Nanocrystalline and nanocomposite rare earth permanent magnet materials and method of making the same
05/27/2004US20040101432 High-strength micro-alloy steel
05/27/2004US20040101431 Iron, cobalt, tungsten alloy support bonded to steel blade; powder metallurgy
05/27/2004US20040101430 Steel alloy plastic moulding tool and tough-hardened blank for plastic moulding tools
05/27/2004US20040101217 Hydrodynamic bearing, motor device, and method of plastic deformation processing
05/27/2004US20040099355 Method of producing high-carbon steel pipe having superior cold workability and induction hardenability
05/27/2004US20040099354 Austenitic steels formed by low temperature annealing, having creep resistance, high strength and tensile strength
05/27/2004US20040099347 Electromagnets comprising ferritic or austenitic steels, for use as fuel controllers in internal combustion engines
05/27/2004US20040099342 Casting alloys in the form of strips comprising silicon, carbon, iron and grain growth inhibitors selected from sulphides and/or selenides of manganese or copper and aluminum nitride; magnetism
05/27/2004US20040099341 Magnetic powder, manufacturing method of magnetic powder and bonded magnets
05/27/2004DE19960235B4 Wälzlager Rolling bearings
05/27/2004DE10310865B3 Use of an iron-chromium-aluminum alloy containing additions of hafnium, silicon, yttrium, zirconium and cerium, lanthanum or neodymium for components in Diesel engines and two-stroke engines
05/27/2004DE10258356B3 Use of an iron-nickel-cobalt alloy for shadow masks and their frames in flat monitors and TV screens
05/27/2004DE10221486B4 Verwendung einer Stahllegierung als Werkstoff für Rohre zur Herstellung von Druckgasbehältern Use of a steel alloy as a material for pipes for the manufacture of compressed-gas containers
05/27/2004DE10220476B4 Stahl und daraus hergestelltes Bauelement für den ballistischen Schutz von Lebewesen, Vorrichtungen oder Bauwerken und Bauelement Steel and produced therefrom device for ballistic protection of living beings, devices or structures and component
05/27/2004DE10157749B4 Eisen-Chrom-Aluminium-Legierung Iron-chromium-aluminum alloy,
05/26/2004EP1422301A1 Maraging steel and method of producing the same
05/26/2004EP1218560B1 Steel material, its use and its manufacture
05/26/2004CN1500155A High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing,and method for prodn. thereof
05/26/2004CN1500154A Nickel-aluminide based wear-resistant material for piston rings
05/26/2004CN1500153A Intermetallic wear-resistant material for piston rings
05/26/2004CN1499896A High binding strength stainless steel foil for face heater, and its mfg. method
05/26/2004CN1498982A Glass sealing alloy
05/26/2004CN1498981A Antibacterial stainless steel of ferrite in nano precipitated phase
05/26/2004CN1498980A Titanium-added, high strength steel
05/26/2004CN1498726A Grinding material, its mfg. method and mfg. appts.
05/26/2004CN1151516C Nano composite permanent magnetic RE alloy and its prepn.
05/26/2004CN1151307C Method for making iron based marmem pipe joint
05/26/2004CN1151306C High-strength low-expanded alloy structure steel material
05/26/2004CN1151305C Carbon dioxide corrosion-resistant low alloy steel and oil casing
05/26/2004CN1151304C Low-carbon low-alloy steel and produced pipe
05/26/2004CN1151303C Adhesive free thermal-pressing powder and its usage
05/26/2004CN1151302C Sintering hardened ferrous based powder metallurgical composite material and preparation method thereof
05/26/2004CN1151301C Method for producing superfine integrated ferrite grain and steel of retained austenite
05/25/2004US6740175 A steel, comprising carbon, silicon, manganese, chromium, sulfur and iron; minimizes hardness increase after forging; improved in rolling resistance, nonpitting, wear resistance and fatigue strength; hub units; constant velocity joints
05/25/2004US6740174 Soft Cr-containing steel
05/21/2004WO2004042101A2 High temperature alloys
05/21/2004WO2004042100A2 High temperature resistant alloys
05/21/2004WO2004042093A1 Iron structure product and metal structure product excelling in resistance to liquid metal embrittlement and process for producing the same
05/21/2004CA2504937A1 Tube made from high temperature alloys
05/20/2004US20040096352 Low carbon martensitic stainless steel and method for production thereof
05/20/2004US20040096351 Cu-enriched particles with concentration of C not less than 0.1 mass % or concentration of Sn and/or In not less than 10 mass % are dispersed at a ratio of 0.2 vol. % or more in a ferritic matrix.
05/20/2004US20040095052 Color CRT mask frame, a steel sheet used therefor and a manufacturing method for the steel sheet, and a color CRT equipped with the frame
05/20/2004US20040094240 Suitable for containers and piping elements for organic fuels such as gasoline, methanol and the like
05/20/2004US20040094239 Having excellent wear resistance, good corrosion resistance, hardenability, and tempering resistance as well as adequate toughness
05/20/2004US20040094238 Both reduction in the amount of added Si and addition of an appropriate amount of Ni and Cr are effective in improving corrosion resistance
05/20/2004US20040094237 R-Fe-B sintered magnet
05/20/2004US20040093983 Maraging steel and method of producing the same