Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/1994
12/07/1994CN1095989A Stainless steel and carbon steel composite, and method of producing the same
12/07/1994CN1026901C High-alloy wear-resisting steel and its application
12/07/1994CN1026900C Mono-material self-sharpening machine bit and its steel
12/06/1994US5370946 Stabilized carbon steel consists of niobium, titanium, carbon, nitrogen and atleast other carbide forming element selected from tantalum and zirconium to prevent carbon migration to stainless steel layer; improved yield and tensile strength
12/06/1994US5370838 Excellent in high tgemperature strength and structural stability
12/06/1994US5370752 Cast steel suitable for machining
12/06/1994US5370751 Door reinforcements for automobiles
12/06/1994US5370750 Corrosion resistant, martensitic steel alloy
12/06/1994US5370749 Amorphous metal alloy strip
12/06/1994US5370748 Process for manufacturing double oriented electrical steel sheet having high magnetic flux density
12/06/1994US5370043 High-pressure press with pressure relieved cylinder element
12/01/1994DE4419035A1 Wälzlager Rolling bearings
11/1994
11/30/1994EP0626468A1 Process for carbonitriding steel
11/30/1994EP0626463A1 Heat- and creepresisting steel with martensitic structure, obtained by a thermal treatment process
11/30/1994EP0626462A1 Iron-nickel alloy with low thermal expansion coefficient
11/30/1994EP0626461A1 Iron-nickel alloy sheet for shadow mask
11/30/1994EP0626460A1 Austenitic stainless steel with high resistance against corrosion in chloride and sulfuric environments, and uses of this steel
11/30/1994EP0558691B1 New category of magnetic materials, their production and use
11/30/1994EP0411061B1 Fe-Mn-Al-C ALLOYS AND THEIR TREATMENT
11/30/1994EP0380630B1 Use of a high damping capacity, two-phase fe-mn-al-c alloy
11/30/1994EP0377734B1 PRODUCTION OF NON-ORIENTED HIGH-Si STEEL SHEET
11/29/1994US5368656 Microstructure of iron carbides and vanadium and niobium carbonitrides, hardness, toughness
11/24/1994WO1994026947A1 High-strength austenitic heat-resisting steel with excellent weldability and good high-temperature corrosion resistance
11/24/1994DE3490361C2 Use of a wear-resistant sintered alloy based on iron
11/24/1994CA2162704A1 High-strength austenitic heat-resistant steel excellent in weldability and good in high-temperature corrosion resistance property
11/23/1994EP0625586A1 Structural member and process for producing the same
11/23/1994EP0625585A1 Fe-Cr-Al alloy foil having high oxidation resistance for a substrate of a catalytic converter and method of manufacturing same
11/23/1994EP0625584A1 Ferritic stainless steel exhibiting excellent atmospheric corrosion resistance and crevice corrosion resistance
11/23/1994EP0625583A1 Material for friction parts intended to operate in a lubricated environment and method for producing such material
11/23/1994CN1095425A Efractory Austenite steel
11/23/1994CN1095424A High-temp. anti-carbonizing Austenite steel
11/23/1994CN1095421A Manufacture of bainite steel rail with high strength and good performence of anti-rolling-endurance-failure
11/17/1994EP0624659A1 Reduction of manganese content of stainless alloys
11/17/1994EP0624658A1 Steel wire for making high strength steel wire product and method for manufacturing thereof
11/17/1994EP0624205A1 High-strength steel parts and method of making
11/16/1994CN1095182A Rare earth-iron-base permanent-magnet carbonide containing gallium and its preparation method
11/16/1994CN1026597C Ferro-mognetically-solt steel
11/15/1994US5364588 Double stabilized stainless-type steel die block
11/10/1994WO1994025764A1 A screw
11/10/1994WO1994025636A1 Ferritic stainless steel excellent in high-temperature oxidation resistance and scale adhesion
11/10/1994WO1994025635A1 Sheet steel excellent in flanging capability and process for producing the same
11/10/1994CA2160793A1 A screw
11/09/1994EP0623416A1 Welding composition
11/09/1994EP0489160B1 Shape-memory stainless steel excellent in stress corrosion cracking resistance
11/09/1994CN1094756A Roller sleeve steel for aluminium casting-rolling mill
11/09/1994CN1026534C Method for preparing rare earth permanent-magnetic material
11/09/1994CN1026502C Tube joiner of iron base marmem and its production method
11/09/1994CN1026499C Heat treatment of corrosion resistant steels
11/08/1994US5362439 Containing malleaable oxides, compositions of which are on ternary diagram alumina-silica-calcium oxide in the zone of triple point anorthite, gehlenite and psudo-wollostonite
11/08/1994US5362338 Steels with silicon, manganese, chromium, molybdenum, aluminum and vanadium with nitrogen
11/08/1994US5362337 Free-machining martensitic stainless steel
11/08/1994US5362336 Permanent magnet material
11/02/1994EP0622791A1 Composite magneto-optic memory and media
11/02/1994EP0375784B1 Flexible fluid transport pipe
11/02/1994CN1094454A Iron-base anti-corrosion alloy
11/02/1994CN1094453A Wear and corrosion-resistant non-magnetic steel
11/02/1994CN1026421C Austenite high temp, anti-oxidation steel
11/01/1994US5360676 Tin mill black plate for canmaking, and method of manufacturing
11/01/1994US5360493 Ductility; automobiles
11/01/1994US5360318 Compressor for gas turbine and gas turbine
11/01/1994US5359773 Manufacturing method of the roll main body of a caliber roll
10/1994
10/31/1994CA2122524A1 Welding composition
10/27/1994DE4337148C1 Use of a high-grade steel alloy for chains and chain component parts
10/26/1994EP0620865A1 Railway-track elements and method of manufacturing them.
10/26/1994CN1094184A Permanent magnet alloy having improved resistance to oxidation
10/26/1994CN1094096A Corrosionproof alloy for sealing with soft glass
10/26/1994CN1094095A Method for improving medium-temperature constancy of rolling ferri-trialuminum based intermetallic compound alloy
10/25/1994US5358577 High strength and high toughness martensitic stainless steel and method of manufacturing the same
10/25/1994CA1332673C Tough weldable duplex stainless steel
10/20/1994DE4413564A1 High-strength stainless steel for use as a material of fuel injection nozzle or needle for internal combustion engine, fuel injection nozzle fabricated from the stainless steel, and method for fabricating the fuel injection nozzle
10/19/1994EP0620571A2 Soft magnetic multilayer films for magnetic head
10/19/1994EP0620289A1 High-strength hot-rolled steel sheet excellent in uniform elongation after cold working and process for producing the same
10/19/1994EP0620286A1 Ceramic-particle-dispersed metallic member, manufacturing method of same and use of same
10/19/1994EP0620284A2 Process for producing patented steel wire
10/19/1994EP0619845A1 Solid metal-carbon matrix of metallofullerites and method of forming same
10/19/1994CN1093758A Technology for casting 1300-1350 deg.C iron-base refractory steel and fusion-cast process
10/19/1994CN1026252C Medium silicon wear-resistant manganese steel
10/18/1994US5356494 High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same
10/18/1994US5356493 Sheet of extremely low carbon steel with specified composition
10/18/1994CA1332520C Cold-rolled steel sheets and method for producing cold-rolled steel sheets
10/13/1994WO1994023086A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994WO1994023085A1 Non-heat-treated steel for hot forging, process for producing non-heat-treated hot forging, and non-heat-treated hot forging
10/13/1994WO1994023084A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994WO1994023083A1 Bainite rod wire or steel wire for wire drawing and process for producing the same
10/13/1994CA2098160A1 Process for producing patented steel wire
10/12/1994EP0619585A1 FeRhGaSi soft magnetic materials for inductive magnetic heads
10/12/1994EP0619376A1 Method for manufacturing grain oriented electrical sheets with improved core loss
10/12/1994EP0455752B1 Iron aluminide alloys with improved properties for high temperature applications
10/12/1994CN1093413A Al-Fe alloy using for aluminum steel deoxidation and method for prepn. of same
10/11/1994US5354389 Controlling temperature during hot rolling, cold rolling; annealing in a reducing or non-oxidizing atmosphere
10/05/1994EP0618304A1 Nitrided stainless steel
10/05/1994EP0618067A1 Stainless steel and carbon steel composite, and method of producing the same
10/05/1994CN1093123A Low-alloy steel and method of producing high-strength reinforcing bar with it
10/05/1994CN1093112A Processing technology for microcarbon ferrosilicon
10/04/1994US5352522 Composite material comprising metallic alloy grains coated with a dielectric substance
10/04/1994US5352406 Containing specified amounts of carbon, chromium, nickel, molybdenum, tungsten, copper, nitrogen, manganese, phosphorus, sulfur, silicon
10/04/1994US5352304 High strength low alloy steel
10/04/1994US5352303 Rolling bearing
09/1994
09/29/1994WO1994021836A1 Ferritic stainless steel excellent in oxidation resistance
09/29/1994DE4309558A1 Martensite-hardenable steel