Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2003
05/08/2003US20030084965 Steel for machine structural use and method of producing same
05/08/2003DE20302472U1 Heat resistant steel used in environments containing aggressive gases contains carbon, silicon, manganese, chromium, nickel, boron, nitrogen, aluminum, titanium, magnesium, calcium and a balance of iron
05/07/2003EP1308532A2 Ferritic stainless steel sheet having excellent deep-drawability and brittle resistance to secondary processing and method for making the same
05/07/2003EP1307603A1 Composition for elements having a high strength, in particular for hot wear and thermal fatigue, rolls coated with said composition and method of deposition for the coating
05/07/2003CN1416478A Surface treated Tin-plated steel sheet and chemical treatment solution
05/07/2003CN1415776A Magnetic temperature compensation alloy with high performance for watt-hour meter and its production technique
05/07/2003CN1415775A Method for producing superfine integrated ferrite grain and steel of retained austenite
05/07/2003CN1415769A Compound vanadium or alloy of niobium-azote and its preparation method
05/07/2003CN1107739C Ferrite stainless steel for building external decoration with good toughness and ductility of welding position and its prodn. method
05/07/2003CN1107738C Strengthened alloy cast steel pellet
05/07/2003CN1107737C Shadow mask material for color picture tube, shadow mask and color picture tube thereof
05/07/2003CN1107736C Stentor cemented steel for gear and thermal working tech
05/07/2003CN1107735C Biobium rare-earth steel rail
05/07/2003CN1107731C Method for mfg. cold rolled shadow mask steel sheet using pack annealing tech
05/06/2003US6559583 Shadow mask
05/06/2003US6559573 Steel shaft; workability, wear and corrosion resistance; disk drives
05/06/2003US6558815 Hot dip Galvanized steel plate excellent in balance of strength and ductility and in adhesiveness between steel and plating layer
05/06/2003US6558486 Method of producing cold rolled steel strip
05/06/2003US6558484 High strength screw
05/06/2003US6558483 Cu precipitation strengthened steel
05/06/2003US6558482 High magnetic flux density and excellent magnetizability and reliability especially excellent heat resistance; alloy of rare earth element, iron, cobalt, boron, and aluminum
05/02/2003EP1306600A1 Stainless steel oil feeding pipe
05/02/2003EP1306458A2 12Cr alloy steel for a turbine rotor
05/02/2003EP1306457A2 Chromium steel
05/02/2003EP1306456A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production
05/02/2003EP1306258A1 Stainless steel fuel tank for automobile
05/02/2003EP1198601B1 Sintered steel material
05/02/2003EP1169486B1 Method of producing a hot-rolled strip
05/02/2003EP0991789B1 Tool steel composition
05/02/2003EP0885978B1 Steel sheet for double wound pipe and method of producing the pipe
05/01/2003WO2003035921A1 Martensitic stainless steel and method for manufacturing same
05/01/2003WO2003035920A1 Fe-Ni BASE ALLOY FOR SHADOW MASK RAW MATERIAL EXCELLENT IN CORROSION RESISTANCE AND SHADOW MASK MATERIAL
05/01/2003WO2003035295A1 Flattened u-bolt and method_for making said u-bolt
05/01/2003US20030082067 Composed mainly of iron, manganese, aluminum, carbon, titanium, and additionally silicon and chromium; for making heads of golf clubs; good finished surface quality; ductility, corrosion resistance
05/01/2003US20030082066 Powder metallurgical process of preparing a sheet from a powder having an intermetallic alloy composition such as an iron, nickel or titanium aluminide; use as electrical resistance heating element having improved properties
05/01/2003US20030079815 To be made into steel wires for tire reinforcement, steel wires for prestressed concrete, and steel wires for ropes
04/2003
04/30/2003CN1414892A Method of making feCrAl material and such material
04/30/2003CN1414130A Fe-Cr-Ni cast alloy haring both creep deformation and toughness and its manufacturing method
04/30/2003CN1414129A 12 Cr alloy steel for turbin rotor, its manufacturing method and turbin rotor
04/30/2003CN1107123C Heat resistant Austenitic stainless steel
04/30/2003CN1107122C Austenic-bainite malleable steel and its preparation method
04/30/2003CN1107121C Antibiotic parts and its producing process
04/30/2003CN1106999C Special steel cylinder driven by propellant used for metering airosol
04/29/2003US6555018 Bonded magnets made with atomized permanent magnetic powders
04/29/2003US6554925 Method for manufacturing cold-rolled steel sheet
04/29/2003US6554919 Also good molding characteristics to produce parts by stamping, profiling and hydroforming
04/29/2003US6554918 High-strength hot-rolled steel sheet superior in stretch flange formability and method for production thereof
04/29/2003US6554917 Steel sheet for heat shrink band effective for preventing color drift
04/29/2003CA2073131C Improved drawing-quality steel, process for making sheet metal for drawing and sheet metal thereof
04/24/2003WO2003034525A1 Solid polymer electrolyte type fuel cell-use separator and production method therefor
04/24/2003WO2003034451A1 Bonded magnet and method for production thereof
04/24/2003WO2003033757A1 Method for producing nitriding steel
04/24/2003WO2003033755A1 Duplex stainless steel
04/24/2003WO2003033754A1 Martensitic stainless steel
04/24/2003WO2003033746A1 Method for the production of non-grain oriented electric sheets
04/24/2003WO2003018856A3 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
04/24/2003WO1996002676A8 Cold formed high-strength steel structural members
04/24/2003US20030077200 Enhanced radiopaque alloy stent
04/24/2003US20030075250 Bar or wire product for use in cold forging and method for producing the same
04/23/2003EP1304394A1 Ferritic heat-resistant steel
04/23/2003EP1304393A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block
04/23/2003EP1303861A2 Bulk metal magnetic component
04/23/2003CN1412337A Two-phase stainless steel
04/23/2003CN1412336A Welding alloy material for repairing and protecting high-temp. resistant weared roller
04/23/2003CN1412335A Low-density high-extensibility iron base alloy material for making golf club head
04/23/2003CN1412334A Production process of wear-resisting alloy steel cutting ring
04/23/2003CN1412333A Thin steel plate with good machining performance and formed precision and its mfg. method
04/23/2003CN1412328A Production method of as-cast neodymium-iron-boron
04/22/2003US6551420 Duplex stainless steel
04/22/2003US6551419 Hot-rolled steel wire and rod for machine structural use and a method for producing the same
04/22/2003US6551418 Magnetic powder and isotropic bonded magnet
04/22/2003US6551375 Ammunition using non-toxic metals and binders
04/17/2003WO2003032337A1 Method of preparing polymer composite using unidirectionally solidified giant magnetostrictive material
04/17/2003WO2003031670A1 Steel sheet for container and method of producing the same
04/17/2003WO2003031669A1 High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
04/17/2003WO2003031168A1 Press and magnet manufacturing method
04/17/2003US20030072673 Free-cutting steel
04/17/2003US20030072672 Containing titanium and/or zirconium carbosulfide as inclusion and having good machinability both in turning and drilling
04/17/2003US20030072671 Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels
04/17/2003US20030070732 Iron base high temperature alloy
04/17/2003US20030070729 Permanent magnet for electromagnetic device and method of making
04/17/2003US20030070508 Highly compressible iron powder
04/16/2003EP1302556A1 Stainless steel sheet product good of delayed fracture-strength and manufacturing method thereof
04/16/2003EP1263999A4 Corrosion resistant austenitic alloy
04/16/2003CN1410658A Metal beehive carrier for cleaning vehicle tail gas by plasticizing extrusion method
04/16/2003CN1410586A High performance hot working die steel for medium and small cross profile machine forging mould
04/16/2003CN1410585A High-toughness high-strength ferritic steel and its producing method
04/16/2003CN1410584A High performance soft steel magnet for magnetic suspension train
04/16/2003CN1410583A Calcium sulfur magnesium series easy cutting steel
04/16/2003CN1410582A Rare earth series easy cutting steel
04/16/2003CN1410581A Steel for mechanical structure and mfg. method thereof
04/16/2003CN1410580A Cold rolling electromagnetic pure iron plate having very low coercive force and production method thereof
04/16/2003CN1410576A Preparation methof of FeAl base intermetallic compound composite material containing reinforced carbon phase
04/16/2003CN1410555A Production method of microaluminium micro carborundum iron
04/16/2003CN1410554A Oxidizing agent used for producing microaluminium micro carbonrundum iron
04/16/2003CN1410208A Manufacturing method of alloy steel powder by spraying etc.
04/16/2003CN1105785C Process for producing of grain oriented electrical steel strips
04/15/2003US6547893 Fe-Ni based material for shadow mask
04/15/2003US6547892 Flux cored wire with superior cracking resistant property for welding ferrite stainless steel
04/15/2003US6547891 Elongated percussive rock drilling element