Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
06/1992
06/16/1992US5122337 Steel intended for highly stressed structural members with high demands for ductility and fatigue resistance
06/16/1992US5122336 High hardness steel for armouring and process for the production of such a steel
06/16/1992US5122203 Magnetic materials
06/16/1992US5122000 Rolling bearing
06/10/1992EP0489160A1 Shape-memory stainless steel excellent in stress corrosion cracking resistance
06/10/1992EP0489159A1 Method of producing ultrafine high-strength, high-ductility steel wire
06/10/1992CN1017015B Stainless steel collector ring
06/09/1992US5120496 Stainless wrought and cast materials and welding additives for structural units exposed to hot, concentrated sulfuric acid
06/03/1992EP0488716A1 Sintered metal bodies and manufacturing method therefor
06/03/1992EP0488222A2 Method of producing clad steel plate having good low-temperature toughness
06/02/1992US5118469 High strength spring steel
06/02/1992US5117874 Sour oil
05/1992
05/27/1992EP0487443A1 Steel sheet for electrical applications
05/27/1992EP0487250A1 Steel suitable for induction hardening
05/27/1992EP0487024A1 Electric resistance welded steel tube for mechanical engineering, and exhibiting a very good machinability
05/27/1992EP0486760A1 Steel with excellent peel resistance and suitable for apparatus parts in contact with alcoholic fuels
05/27/1992EP0486707A1 Ultrahigh-silicon directional electrical steel sheet and production thereof
05/27/1992EP0486703A1 Process for producing nondirectional electrical steel sheet excellent in magnetic properties after stress relieving annealing
05/27/1992CN1061366A Method of producing trolley-bus collector slide block
05/26/1992US5116571 Chromoum heat-resistant steel excellent in toughness and having high cracking resistance and high creep strength in welded joint
05/26/1992US5116570 Stainless maraging steel having high strength, high toughness and high corrosion resistance and it's manufacturing process
05/26/1992US5116569 Nuclear Reactors
05/26/1992US5116436 Hot and cold rolling, annealing, coiling
05/26/1992US5116435 Method for producing non-oriented steel sheets
05/26/1992CA1301490C Cold drawn free-machining steel bar including bismuth
05/26/1992CA1301489C Cold drawn free-machining resulfurized and rephosphorized steel bars having controlled mechanical properties and controlled machinability
05/20/1992WO1992008817A1 High-strength ultrafine steel wire with excellent workability in stranding, and process and apparatus for producing the same
05/20/1992EP0485641A1 Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades
05/20/1992CN1016730B Alloy wire to compensate conducting wire for n type theremal couple
05/19/1992US5114810 An electrolytic cell with a lithium anode, a solid cathode of nickel ferritic stainless steels for corrosion resistance and an ionic conductive electrolyte
05/19/1992US5114669 Ferromagnetic materials
05/14/1992WO1992007966A1 High-strength steel parts and method of making
05/13/1992EP0484960A2 Cold-rolled steel strip having excellent combined press formability and method of producing same
05/13/1992EP0484904A2 Process for producing grain-oriented electrical steel sheet having improved magnetic and surface film properties
05/13/1992CN1061049A Medium silicon wear-resistant manganese steel
05/12/1992US5112411 Process of making mining/construction tool bit body fabricated from MN/B steel alloy composition
05/12/1992CA1300406C Nickel-chromium stainless steel having improved corrosion resistances and machinability
05/06/1992EP0483668A1 High speed tool steel produced by sintering powder and method of producing same
05/06/1992CN1060879A Graphite antifriction steel containing sulphur
05/06/1992CN1016518B Air hardening of medium carbon manganese alloy steel
05/06/1992CN1016516B Porous metal bodies
05/05/1992US5110544 Stainless steel exhibiting excellent anticorrosion property for use in engine exhaust systems
05/05/1992US5110379 High temperature fine-grained steel product
04/1992
04/29/1992EP0482889A2 Welding material for low coefficient of thermal expansion alloys
04/28/1992US5108699 Modified 1% CrMoV rotor steel
04/28/1992US5108522 Method of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic field
04/28/1992US5108521 Method of making non-oriented magnetic steel strips
04/28/1992US5108518 Method of producing thin high carbon steel sheet which exhibits resistance to hydrogen embrittlement after heat treatment
04/28/1992US5108492 Corrosion-resistant sintered alloy steels and method for making same
04/22/1992EP0481844A1 Steel with improved weldability
04/22/1992EP0481575A2 Process for manufacturing weldable high-tensile steel sheets and use of these sheets
04/22/1992EP0481378A1 Process for producing high strength steel belt
04/22/1992EP0481224A1 Permanent magnet having high corrosion resistance, a process for making the same and a process for making a bonded magnet having high corrosion resistance
04/22/1992CN1060502A Method for producing high-alloy wear-resisting steel rollers
04/22/1992CN1060501A High-alloy heat-and wear-resisting steel and its application
04/22/1992CN1016362B High-magnetism oriented silicon steel and production technology therefor
04/22/1992CN1016361B Barium titanium silicon iron composition intermediate alloy
04/21/1992US5106578 Casting into mold, finishing without further forming operations
04/21/1992US5106577 Cement cooler grate alloy
04/21/1992US5106576 Uniformly mixing powders of alloy and vanadium carbide, hot isostatic pressing
04/21/1992CA1299218C Automotive vehicle door bar or the like
04/21/1992CA1299071C Method of making a duplex stainless steel and duplex stainless steel product with improved mechanical properties
04/15/1992EP0480495A2 Sintered ferrous-based material
04/15/1992EP0480461A1 Aluminum-containing ferritic stainless steel having excellent high temperature oxidation resistance and toughness
04/15/1992EP0480033A1 Pipe joint made of stainless steel and method of making the same
04/15/1992EP0479832A1 Steel composition for a composite roll and heat treatment thereof
04/12/1992CA2053175A1 Aluminum-containing ferritic stainless steel having excellent high temperature oxidation resistance and toughness
04/09/1992DE4133323A1 Process for making round billet for steel tube production - useful for making tube for oil industry, etc., tubes thus produced have fewer internal cracks, flaws etc., economic
04/08/1992EP0478790A1 Heat-resistant ferritic stainless steel excellent in low-temperature toughness, weldability and heat resistance
04/08/1992CN1060178A Producing method and apparatus of anisotropic micro crystal rare earth permanent magnetic material
04/08/1992CN1016186B Process for manufacturing sleeve roller for use with aluminium continous casting machine
04/07/1992US5102619 Ferrous alloys having enhanced fracture toughness and method of manufacturing thereof
04/07/1992US5102479 Of carbon, silicon, manganese, chromium, vanadium, sulfur, lead, calcium, aluminum, oxygen and iron, ferrite/peralite microstructure
04/07/1992US5102478 Hot rolling, soaking, coiling, annealing and cold rolling a steel containing carbon, silicon, manganese, sulfur, aluminum, phosphorous, niotrogen and iron
04/07/1992US5102477 Casting form melt, cooling, cold rolling
04/07/1992CA1298492C Seawater-corrosion-resistant non-magnetic steel materials
04/01/1992EP0477384A1 Process for producing unidirectional magnetic steel sheet excellent in magnetic characteristics
04/01/1992EP0477383A1 Iron-copper alloy plate with alloy structure excellent in homogeneity
04/01/1992EP0477363A1 Heat resistant alloys
04/01/1992CN1059940A High-toughness antiwear lining plate of big ball mill and making technology thereof
03/1992
03/31/1992US5100613 Hot-rolled microalloyed steel and its use in variable-thickness sections
03/31/1992US5100604 Magnetic particles dispersed in polyurethane binder
03/25/1992EP0476606A2 Permanent magnet powders
03/25/1992EP0475962A1 Method and apparatus for making card clothing.
03/24/1992US5098652 Precision parts of non-magnetic stainless steels
03/24/1992US5098648 Kneading iron and cobalt alloy powder and mixing with organic binders, injection molding, debinding and sintering
03/24/1992US5098491 Fish scale resistance, adhesion and resistance to blistering
03/24/1992US5098489 Process for manufacturing high-strength parts of an automobile transmission system
03/19/1992WO1992004478A1 Austenitic wear resistant steel and method for heat treatment thereof
03/18/1992EP0475804A1 Process for manufacture of tool steel, in particular for moulds and steel produced by this method
03/18/1992EP0475420A1 Rapidly solidified iron-chromium-aluminium alloy foil, with high oxidation resistance
03/18/1992EP0475096A1 High strength steel sheet adapted for press forming and method of producing the same
03/18/1992EP0229846B1 Process for producing silicon steel sheet having soft magnetic characteristics
03/18/1992EP0193616B1 Amorphous alloy and process for its production
03/18/1992CN1059618A Method of manufacturing isotropic permanently magnetic material, isotropic permanently magnetic material and synthetic resin-bound isotropic permanent magnet
03/18/1992CN1015948B Manufacture of pressure vessels for light water reactor core and the pressure vessels for reactor core therefore
03/17/1992US5096664 Alloys having excellent erosion resistance and stress corrosion cracking resistance
03/17/1992US5096514 Heat-resistant ferritic cast steel having excellent thermal fatigue resistance
03/17/1992CA1297320C High strength high toughness steel
03/11/1992EP0474530A1 Process for manufacturing products with very high tensile strength from unstable austenitic steel, and products obtained