Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/2001
12/25/2001US6332904 Mixed powder metallurgy process
12/20/2001WO2001096626A1 Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools
12/20/2001WO2001096625A1 Steel pipe for use in reinforcement of automobile and method for production thereof
12/20/2001WO2001096624A1 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same
12/20/2001WO2001096618A1 Hardfacing alloy, methods, and products
12/20/2001US20010052376 Carbon or low-alloy steel with improved machinability and process of manufacture of that steel
12/20/2001US20010052373 Friction material
12/20/2001DE10120724A1 Ventilsitz für Brennkraftmaschinen und Verfahren zu dessen Herstellung Valve seat for internal combustion engines and methods for its preparation
12/19/2001EP1164204A1 Cu precipitation strengthened steel and method for producing the same
12/19/2001EP1164002A2 Punch and die
12/19/2001EP1163376A1 Method for continuous casting of highly ductile ferritic stainless steel strips between rolls, and resulting thin strips
12/19/2001EP1163063A1 Hardened steel security materials
12/19/2001CN1327243A Magnet powder, method for producing magnet powder and binded magnet
12/19/2001CN1327078A Austenitic stainless steel with good accurate punching property
12/19/2001CN1327077A Fe-Ni alloy cathode cover semi-product with good etching perforation property and its preparing method
12/19/2001CN1326830A Magnet material producing method, thin belt magnet material, powder magnet material and binded magnet
12/19/2001CN1076404C Stainless steel wire and mfg. process
12/18/2001US6331216 Good fatigue resistance; composed mainly of ferrite or ferrite plus pearlite or ferrite plus cementite; fine crystal grains; reducing steel pipes of specific composition at a temperature of ferrite recrystallization by hot rolling
12/18/2001US6331215 Having a low ratio of iron loss in a weaker magnetic field to loss in a stronger field; iron cores for small size electric generators and as e.i. cores for small scale transformers; proportions of al, ti and b, with a forsterite film formed on
12/18/2001US6330836 Steel for gear drive plate gear and method for producing the drive plate gear
12/16/2001CA2349993A1 Punch and die
12/13/2001WO2001094655A1 Steel pipe having high formability and method for producing the same
12/13/2001WO2001094654A1 Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid
12/13/2001WO2001094648A2 High-cleanliness steel and process for producing the same
12/13/2001WO2001068933A3 High performance carburizing stainless steel for high temperature use
12/13/2001US20010049956 Hot-rolled steel with very high elasticity limit and mechanical resistance usable in particular for auto parts production
12/12/2001EP1162634A1 Magnetic powder, manufacturing method of magnetic powder and bonded magnets
12/12/2001EP1162282A2 Titanium alloy
12/12/2001EP1162280A2 Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties
12/12/2001EP1161570A1 Method and device for coating a support body with a hard magnetic se-fe-b material using plasma spraying
12/12/2001EP1161568A1 Tube and use thereof
12/12/2001EP1051529B1 Non-magnetic corrosion resistant high strength steels
12/12/2001CN1326199A Magnetic powder, manufacture thereof and binded magnet
12/12/2001CN1326010A Material for Fe-Ni alloy shadow-mask with excellent etching and punching performances
12/11/2001US6329081 Stainless steel sheet material and manufacturing method thereof
12/11/2001US6329079 Retards coking in petroleum cracking unit producing ethylene, welded iron and aluminum alloy overlay
12/11/2001US6328826 Casting strip from liquid steel; hot-rolling said strip on-line in one or more passes; first forced cooling of strip; holding until bainitic transformation; interrupting transformation by second forced cooling of strip; coiling
12/11/2001US6328820 Spring steel superior in fatigue properties
12/11/2001US6328817 Bonded permanent magnet material used in a motor, a speaker, an actuator or the like and directs to an exchange spring magnet
12/11/2001CA2045821C Iron sponge briquetting press
12/08/2001CA2614962A1 Coating system for high temperature stainless steels
12/06/2001WO2001092593A1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
12/06/2001WO2001092587A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same
12/06/2001WO2001091962A1 Composite tool
12/06/2001US20010047839 Uniform aperture diameter
12/06/2001DE10025458A1 Magnet has magnetic grains in the surface layer separated from each other by a first phase and magnetic grains in the remaining part of the magnet separated from each other by a non-magnetic second phase
12/06/2001CA2410456A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same
12/05/2001EP1160803A2 Magnetic powder, manufacturing method of magnetic powder and bonded magnets
12/05/2001EP1160802A2 Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic materials and bonded magnets
12/05/2001EP1160471A2 Rolling bearing device
12/05/2001EP1160347A1 Fe-Cr alloy having excellent initial rust resistance, workability and weldability
12/05/2001EP1160346A1 High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof
12/05/2001EP1159463A1 Mould steel
12/05/2001EP1159462A1 An enhanced machinability precipitation-hardenable stainless steel for critical applications
12/05/2001EP1025273B1 Nickel-free stainless steel for biomedical applications
12/05/2001EP1015646B1 Austenitic stainless steel strips having good weldability as cast
12/05/2001EP1003920B1 Method for producing a high-strength track element and track element thus obtained
12/05/2001EP0923781B1 METHOD FOR THE MANUFACTURE OF A RARE EARTH ELEMENT (RE)-Fe-B PERMANENT MAGNET
12/05/2001EP0866143B1 High-strength, high-toughness aluminum alloy and process for preparing the same
12/05/2001EP0860510B1 Material for magnetic shield, production method thereof, and color television tube
12/05/2001EP0832307B1 Free-machining austenitic stainless steel
12/05/2001EP0816519B1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME
12/05/2001CN1324957A Iron-base powder metallurgy air valve base for internal combustion engine and its production process
12/04/2001US6326087 Rare earth metal-based permanent magnet, and process for producing the same
12/04/2001US6325874 Cold forming flat-rolled high strength steel blank into structural member having uniform cross-sectional configuration along substantially entire length, whereby mechanical properties of tensile and yield strength remain same
12/04/2001US6325867 Bearing made from alloy steel containing specified amount of carbon, subjected to carbonitriding and hardening heat treatments and grinding of grinding allowance portion, having specified nitrogen content and gradient in surface layer
12/04/2001US6325866 Process for the production of grain oriented silicon steel sheet
12/04/2001CA2075066C Tires with high strength reinforcements
11/2001
11/29/2001WO2001091215A1 Material used at high temperatures
11/29/2001WO2001090432A1 Austenitic alloy
11/29/2001WO2001090431A1 Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same
11/29/2001US20010046449 Anorthite, pseudo wollastonite, gehlenite, lime, aluminosilicate inclusions and chromium, manganese, sulfur inclusions; machinability, corrosion resistance
11/29/2001US20010045246 Iron-nickel alloy having a low coefficient of expansion
11/29/2001DE10124740A1 Overriding clutch used in an I.C. engine comprises an outer element arranged around the inner element, a holder mounted between the inner and outer elements and provided with pockets, and gripping elements arranged in the pockets
11/29/2001DE10025808A1 Martensitisch-härtbarer Vergütungsstahl mit verbesserter Warmfestigkeit und Duktilität Maraging heat-treatment steel having improved heat resistance and ductility
11/29/2001DE10025108A1 Hochtemperaturwerkstoff High-temperature material
11/28/2001EP1158544A2 Magnetic powder, manufacturing method of magnetic powder and bonded magnets
11/28/2001EP1158067A1 Martensitic hardenable heat treatable steel with improved thermal resistance and ductility
11/28/2001EP1158065A1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture
11/28/2001EP1158064A1 Steel for large bearing and parts for large bearing
11/28/2001EP1157138A1 Cold rolled steel
11/28/2001EP0950120B1 Process for the treatment of grain oriented silicon steel
11/28/2001EP0925379B1 Age hardenable alloy with a unique combination of very high strength and good toughness
11/28/2001EP0721715B1 Multiple antenna home base for digital cordless telephones
11/28/2001CN1323913A Rare earth-iron base compound with great magnetic entropy variation
11/28/2001CN1323673A Welding stick with excellent dreg removing function
11/28/2001CN1075672C Antenna, magnetic core element for antenna, card equipped with thin-film antenna
11/28/2001CN1075565C Heat exchanger made of rare earth alloy steel
11/28/2001CN1075564C Low heat expansion alloy
11/28/2001CN1075563C Process for producing ferritic heat-resistant steel
11/27/2001US6322907 Also a reinforced elastomer composition comprising elastomer and wire of a diameter of less than 1 mm with a tensile strength in excess of 2000 mpa.
11/27/2001US6322902 Sliding contact material, sliding contact element and producing method
11/27/2001US6322747 Better hardness, toughness and reliability; used in automobiles, aircraft, industrial machinery
11/27/2001US6322642 Forming components of pressure vessel from steel, quenching and tempering components before or after forming to obtain martensitic or martensitic-bainitic structure containing less stress-relieving; welding, heat treating
11/27/2001US6322641 High strength; used for reinforcing automotive steel radial tires
11/27/2001US6322639 Used for an alternating-current magnetic core
11/27/2001US6322638 Electromagnetic steel sheet having excellent high-frequency magnetic properties
11/27/2001US6322635 Electromagnetic steel sheet and process for producing the same
11/22/2001WO2001088216A1 Electroplating annealed thin sheets and method for producing the same
11/22/2001WO2001088210A1 Martensitic stainless steel and seamless steel pipes produced with it