Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 38 - Ferrous alloys, e.g. steel alloys
Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
11/1998
11/11/1998CN1040668C High-carbon and long-life bearing steel
11/11/1998CN1040666C Method for making ferro-titanium alloy
11/11/1998CN1040660C Method for making bainite steel rail with high strength and good performance of anti-rolling-endurance-failure
11/10/1998US5834664 Composed of nickel, chromium, molybdenum, carbon, iron and impurities, used for valve seat
11/10/1998US5833919 Air-induced melting, hot rolling and solution heat treament; liquified natural gas-related facilities, e.g. storage tanks, transporting pipes, valves and ships
11/10/1998US5833838 Prevention of coking and carburization during hydrocarbon catalytic cracking by coating steel reactor tube with nonpeeling coating of nonoxidized chromium bonded to surface with carbide intermediate layer
11/10/1998US5833771 Stainless steel wire for reinforcing the crown of tires
11/10/1998CA2058470C Wire rod for high strength and high toughness fine steel wire, high strength and high toughness fine steel wire, twisted products using the fine steel wires, and manufacture of the fine steel wire
11/07/1998CA2236620A1 Process for concentrating or purifying sulphuric acid
11/05/1998WO1998049362A1 Steel material having high ductility and high strength and process for production thereof
11/05/1998WO1998049361A1 Pre-alloyed copper containing powder, and its use in the manufac ture of diamond tools
11/04/1998EP0875592A1 Austenitic-ferritic steel of the superduplex type applicable to the fabrication of seamless tubes
11/04/1998EP0875591A1 Use of a bicompatible alloy suitable for the skin
11/04/1998EP0875590A1 Nitriding steel
11/04/1998EP0875588A2 Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same
11/04/1998CN1198114A Self-lubricating sintered sliding material and method for manufacturing the same
11/04/1998CN1040555C High tensile strength steel having superior fatigue strength and weldability at welds and method for manufacturing the same
11/03/1998US5831188 Composite shots and methods of making
11/03/1998US5830408 Nondusting during welding, noncatalytic, austenitic
11/03/1998US5830290 Method for the manufacture of a spring band clip
11/03/1998US5830287 Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same
11/03/1998US5830286 Steel rail having excellent wear resistance and internal breakage resistance, and method of producing the same
11/03/1998US5830285 Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same
10/1998
10/29/1998WO1998048070A1 High-strength, anti-corrosive iron-manganese-chrome alloy
10/29/1998DE19817484A1 Iron-nickel alloy sheet with excellent surface properties and etchability
10/29/1998DE19716795A1 Hochfeste und korrosionsbeständige Eisen-Mangan-Chrom-Legierung High strength and corrosion resistant iron-manganese-chromium alloy
10/28/1998EP0874061A1 Method for batch annealing of austenitic stainless steels
10/28/1998CN1197122A Non-oriented electrical steel sheet and method for manufacturing the same
10/27/1998US5827476 Comprising rare earth metals resulted to high strength, corrosion resistance, proofing of water vapor
10/27/1998US5827377 A stainless steel comprising nickel, chromium, molybdenum, silicon titanium, copper niobium, carbon, manganese and aluminum for automobile exhaust systems, e.g. bellows, sheaths; strength and ductility increase under service
10/27/1998US5827376 Molds for plastic prototyping and isothermal forging of aluminum, steel therefor, and method of manufacturing thereof
10/27/1998US5826322 Process and apparatus for the production of particles from castings which have solidified in an oriented manner
10/22/1998WO1998046801A1 New process for the production at low temperature of grain oriented electrical steel
10/22/1998DE19803800A1 Magnetic sensor
10/21/1998EP0872654A2 Sliding bearing and manufacturing method thereof
10/21/1998EP0872568A1 AUSTENITIC ACID CORROSION-RESISTANT STAINLESS STEEL OF Al-Mn-Si-N SERIES
10/21/1998EP0872296A1 Self-lubricating sintered sliding material and method for manufacturing the same
10/21/1998EP0872159A1 Metallic high temperature resistant material and a method of producing it
10/21/1998CN1196758A Magnetic shield material, production method thereof and color image tube assembling said material
10/21/1998CN1196400A Sulphuric acid resistant stainless steel
10/21/1998CN1196397A Low carbon high-strength toughness steel band and manufacturing technology thereof
10/21/1998CN1040343C Sheet steel excellent in flanging capability and process for producing same
10/20/1998US5824922 Wear-resistant sintered alloy, and its production method
10/20/1998US5824265 Stainless steel alloy for pulp refiner plate
10/20/1998US5824264 Nitrogen and nickel in stainless steels for heat resistance
10/15/1998WO1998045495A1 Steel and process for the manufacture of a part for ball bearing
10/15/1998WO1998045494A1 Coated seizure-hardening type cold-rolled steel sheet having excellent aging resistance and method of production thereof
10/15/1998WO1998045493A1 Composite work roll for cold rolling
10/15/1998CA2286380A1 Steel and process for the manufacture of a part for ball bearing
10/14/1998EP0870849A2 Tool for glass molding operations and method of manufacture thereof
10/14/1998EP0870848A1 Niobium containing steel and process for making flat products from this steel
10/14/1998EP0870847A1 Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming
10/14/1998EP0870573A1 A welding material for low chromium (Cr) ferritic steel having high toughness
10/14/1998EP0672196B1 Composite shot
10/14/1998CN1195869A Magnetic sensor and iron-nickel system alloy wire rod for magnetosensitive wire
10/14/1998CN1195709A Method of producing coins of stainless steel
10/14/1998CN1195708A Steel and process for manufacture of steel component formed by cold plastic deformation
10/13/1998US5821000 Actuator for automobile oil controlling device; martensite stainless steel comprising nickel, carbon, manganese, nitrogen, chromium, silicon, niobium
10/13/1998US5820819 Steel for chimney or gas duct, excellent in pitting resistance and rust adhesion
10/13/1998US5820818 Stainless steel having excellent thermal neutron absorption ability
10/13/1998US5820817 Containing cobalt and rare earth elements; having resistance to long term aging embrittlement
10/13/1998US5820706 Process for manufacturing a forging
10/13/1998US5820703 Hot rolling steel slab then converting to hot coil, cutting coil to form a cylindrical shape
10/13/1998US5820699 Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
10/07/1998EP0869196A2 Cast cold tool and method for producing the same
10/07/1998EP0868541A1 Alloy steel composition and chain products fabricated in such alloy steel
10/07/1998EP0868540A1 Free machining stainless steel and components for automotive fuel and exhaust systems made therefrom
10/07/1998EP0796352A4 Ultra-high strength steels and method thereof
10/07/1998EP0792379A4 Dual-phase steel and method thereof
10/07/1998CN1195379A Alloys of Ti, Ru, Fe and O and use thereof for manufacture of cathodes for electrochemical synthesis of sodium chlorate
10/07/1998CN1195033A Rolling member and rolling device comprising same
10/07/1998CN1195032A Fe-Ni alloys for electron gun parts and funched electron gun parts
10/07/1998CN1040135C Heat-resistant nitride dispersion strengthened alloys
10/06/1998US5817275 Steel plate having excellent corrosion resistance and sulfide stress cracking resistance
10/06/1998US5817196 Niobium-containing hot-rolled steel sheet with high strength and high drawability and its manufacturing processes
10/06/1998US5817193 Cold working, annealing
10/06/1998US5817192 High-strength and high-toughness heat-resisting steel
10/01/1998WO1998042889A1 Polishing-finished stainless steel sheet having excellent stain removability, and production method thereof
10/01/1998WO1998042882A1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular
10/01/1998DE19753857A1 New nitrogen-containing iron@-nickel@ alloy
10/01/1998DE19712381A1 Hardened stainless steel strip production
09/1998
09/30/1998EP0867523A1 Highly tenacious ferritic heat resisting steel
09/30/1998EP0867522A2 High toughness heat-resistant steel, turbine rotor and method of producing the same
09/30/1998EP0867521A1 Steel for cold forging and a method using the steel
09/30/1998EP0867519A1 Application of a steel for the outer layer of a casting roll
09/30/1998CN1194309A Fe-Ni alloy of electronic element
09/29/1998US5815791 Structural element with brazed-on foil made of oxide dispersion-Strengthened sintered iron alloy and process for the manufacture thereof
09/29/1998US5815060 Inductance element
09/29/1998US5814759 Lead-free shot
09/29/1998US5814274 Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent high teperature strength and weldability
09/25/1998CA2233117A1 Process for producing hot rolled strip
09/24/1998WO1998041665A1 Low heat expansion alloy
09/24/1998WO1998041664A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
09/24/1998WO1998041663A1 High-performance rolling bearings or rolling components
09/24/1998WO1998041660A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/24/1998WO1998041659A1 Process for the inhibition control in the production of grain-oriented electrical sheets
09/23/1998EP0866145A2 Completely martensitic steel alloy
09/23/1998EP0866144A1 Non-oriented electromagnetic steel sheet and method for manufacturing the same
09/23/1998EP0866143A1 High-strength, high-toughness aluminum alloy and process for preparing the same
09/23/1998CN1193663A Iron based, rare earth containing, low chromium content antiwear alloy steel
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