Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2005
05/17/2005CA2292713C Improved multi-component refrigeration process for liquefaction of natural gas
05/12/2005US20050098240 steel ingots having corrosion resistance and machinability used in maintenance-free electronics
05/12/2005DE3942722B4 Ferromagnetische Fasern zur Verwendung in der elektronischen Artikelüberwachung und Verfahren zur Herstellung derselben Ferromagnetic fibers for use in electronic article surveillance and process for producing same
05/12/2005DE10160644B4 Nichtorientiertes Elektrostahlblech mit ultrahoher magnetischer Flußdichte und Herstellungsverfahren dafür Non-oriented electrical steel sheet with ultra-high magnetic flux density and manufacturing method thereof
05/12/2005DE10130308B4 Kornorientiertes Elektroblech mit einer elektrisch isolierenden Beschichtung A grain-oriented electrical steel sheet with an electrically insulating coating
05/12/2005DE10025458B4 Magnet und Verfahren zu dessen Herstellung Magnet and method of manufacturing the
05/11/2005EP1529853A2 Steel for chemistry - Devices - Components
05/11/2005EP1529852A1 Material for sliding parts having self-lubricity and wire material for piston ring
05/11/2005EP1528995A1 Spring element made from a ferritic chrome steel
05/11/2005CN1615528A Powder magnetic core and HF reactor therewith
05/11/2005CN1615204A Alloy composition and method for low temperature fluxless brazing
05/11/2005CN1615203A Improvements in fluxless brazing
05/11/2005CN1614069A Abrasive resistant alloy steel
05/11/2005CN1614068A Steel for rock drilling bits
05/11/2005CN1614067A Superfine crystal particle hot-rolling steel plate with thick specification and production thereof
05/11/2005CN1614050A Preparation of block nanometer Fe3Al intermetallic compound
05/11/2005CN1613579A Guiding blade of electric slag casting dissimilar steel water turbine
05/11/2005CN1201028C High manganese deplex stainless steel having superior hot workabilities and method for manufacturing thereof
05/11/2005CN1201027C Hydraulic shaped welded steel pipe and mfg. method thereof
05/11/2005CN1201026C 轴承材料 Bearing Materials
05/11/2005CN1200979C Anti-oxidation coat, its correlated product and method
05/11/2005CN1200791C Submerged-arc welding point, producing method of the same welding point, and used solder wire and flux
05/10/2005US6890665 .15-.22% carbon, .18-1% silicon, .05-1% manganese, 10.5- 14% chromium, iron as substantial residual, < .2% nickel, < .05% aluminum, < .1% nitrogen, < .015% sulfur and < .02% phos-phorus, a scale layer of iron chromate and an antirust oil
05/10/2005US6890393 Thermal mechanical treatment and strengthened with a uniform dispersion of coarsening resistant; iron based
05/10/2005US6890368 Selected from martensitic stainless steel containing particles of boron nitride, a cobalt based alloy containing particles of boron nitride and/or graphite, nickel or alloy containing particles of graphite; bushing, pivot, spindle
05/10/2005CA2262288C Martensitic stainless steel having oxide scale layers and method of manufacturing the same
05/10/2005CA2252569C Stainless steel alloy for pulp refiner plate
05/10/2005CA2220255C Steel material with high thermal resistance for producing engine piston upper parts
05/07/2005CA2486902A1 Steel for components of chemical installations
05/06/2005WO2005040443A1 Stainless steel wire, spring, and method for producing spring
05/06/2005WO2005040442A1 Two-side enamelable hot-rolled band or sheet metal made of steel, more particularly if steel
05/05/2005US20050095165 Welding two components using a modified filler metal of martensite of Carbon, Silicon, Manganese, Chrromium, Nickel, molybdenum, copper, iron, titanium, niobium, vanadium, nitrogen, sulfur, and phosphorus; increasing the volume of the weld partially offsetting shrinkage of the weld upon cooling
05/05/2005US20050095163 Production method for sintered component made of stainless steel with high corrosion resistance
05/05/2005US20050092396 Rolling bearing for a belt-type continuously variable transmission
05/05/2005US20050092131 Magnetostriction device
05/04/2005EP1528610A2 Magnetostriction device with impregnated composite material
05/04/2005EP1528115A1 Very thin, high carbon steel wire and method of producing same
05/04/2005EP1528114A1 Free-cutting steel and fuel injection system component using the same
05/04/2005EP1528113A1 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength
05/04/2005EP1528112A1 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof
05/04/2005EP1526936A1 Method of making rapidly solidified alloy for magnet
05/04/2005EP1356127B1 Process for the production of grain oriented electrical steel strips
05/04/2005EP1291447B1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
05/04/2005CN1612947A Zinc-plated steel sheet excellent in corrosion resistance after coating and clarity of coating thereon
05/04/2005CN1612946A Valve guide for internal combustion engine made from iron base sintered alloy
05/04/2005CN1611628A Rolling bearing part and method for manufacturing the same
05/04/2005CN1611627A Rich granule iron series stainless steel with good hot work ability and antibacterial effect
05/04/2005CN1611626A Free-cutting steel and fuel injection system component using the same
05/04/2005CN1611625A Cr-Mo alloy steel for change gear
05/04/2005CN1611624A 磁致伸缩器件 Magnetostrictive devices
05/04/2005CN1611617A Method for manufacturing oriented silicon steel plate
05/04/2005CN1200131C Non-tempered superhigh carbon steel production
05/04/2005CN1200130C Thin alloy sheet of low thermal expansion and shadow mask using the same
05/04/2005CN1200129C Material for shadow mask, method for rpoduction thereof, shadow mask comprising the material and picture tube using the shadow mask
05/04/2005CN1200128C Method for preparing Fe-6.5 wt% Si compound block material with plasticity deformability
05/04/2005CN1199933C Device and method for producing (methyl) propenoic acid
05/04/2005CN1199750C Metal sintered body composite material and method for reproducing the same
05/03/2005US6887590 Hot strip is produced from IF (interstitial-free) steel; hot strip is coiled; cold strip is rolled from the coiled hot strip; recrystallisation-annealed in an annealing furnace; cold strip is provided with a zinc coating; post-annealing
04/2005
04/28/2005WO2005038068A1 Steel alloy for injection molds
04/28/2005WO2005038065A1 Fe-Al-C SINTERED ALLOY VALVE SHEET HAVING EXCELLENT OXIDATION RESISTANCE AT HIGH TEMPERATURE AND HIGH STRENGTH
04/28/2005WO2005037480A1 High heat input butt welding joint exhibiting excellent characteristics in resistance to occurrence of brittle fracture
04/28/2005US20050089437 Free-cutting steel and fuel injection system component using the same
04/28/2005US20050087270 Alloy composed of carbon, silicon, manganese and iron; exothermic peak in 60 to 130 degree temperature range on a differential scanning thermal analysis curve; delamination prevention in high speed stranding; high strength and ductility
04/27/2005EP1525289A1 Method and ribbed tube for thermally cleaving hydrocarbons
04/27/2005EP1370704B1 Process of production of a sintered ferrous material containing copper
04/27/2005EP1304394B1 Ferritic heat-resistant steel
04/27/2005EP1207213B1 High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
04/27/2005EP1204778A4 Air-side solid oxide fuel cell components
04/27/2005EP1200637B1 Powder metallurgy manufactured high speed steel
04/27/2005CN1610762A Steel sheet for vitreous enameling and method for producing the same
04/27/2005CN1610141A Method for producing magnetostriction elements, container for sintering and magnetostriction elements
04/27/2005CN1610021A Magnetic metal particle aggregate and method of producing the same
04/27/2005CN1609257A Acicular constituent high strength weathering resistant steel and producing method thereof
04/27/2005CN1609256A Powder metallurgy steel rolling guide roll and producing method thereof
04/27/2005CN1609255A Process for producing rotary drill creeper tread material
04/27/2005CN1609254A Micro alloyed steel and application thereof
04/27/2005CN1609253A Micro-alloyed high-carbon steel and application thereof
04/27/2005CN1609252A Very thin, high carbon steel wire and method of producing same
04/27/2005CN1609251A Fe-Mn-Si-C memory alloy material and technology and application for producing pipe joint thereof
04/27/2005CN1199204C High weathing magnet powder prepn. method and products therefrom
04/27/2005CN1199202C Mfg. method of magnet material, thin strip magnet material, powdered magnet material and adhered magnet
04/27/2005CN1198952C Rare-earth alloy material, its preparing process and its application as cathode in electrolysis industry
04/27/2005CN1198947C Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy
04/26/2005US6884388 For use in disc brakes; heat resistance/workability
04/26/2005US6884363 Forming ingot, hot/cold rolling, annealing to form sheet, then etching to form carbide inclusion, washing; protruding/ preventing fall off of conductive inclusions to reduce contact resistance on surface
04/26/2005US6884306 Heat treating a steel of .6-1.1% carbon, 1.5-2% silicon, 1.8-4% manganese, 1.2-1.4% chromium, 0-3% nickel, .2-.5% molybdenum, .1-.2% vanadium and balance iron, homogenizing, air cooling and isothermally transforming
04/26/2005CA2340680C High carbon steel wire excellent in wire drawability and in fatigue resistance after wire drawing
04/21/2005WO2005035816A1 Stainless steel for solid polymer fuel cell separator and solid polymer type fuel cell using the stainless steel
04/21/2005WO2005035814A1 Rolling bearing
04/21/2005US20050084406 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels
04/21/2005US20050084405 Strengthening oxide dispersion and reducing oxygen content in steel, adjusting titanium amount, heating to react with Y2O3 and excess oxygen to form the complex oxide Y2Ti2O7 or Y2TiO5; alloying; irradiation resistance, finely dispersed and high density
04/21/2005US20050083480 Spectacle frame
04/21/2005US20050081962 Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region
04/20/2005EP1524459A2 Piston ring comprising a wear-resistant composition
04/20/2005EP1524326A1 Zinc-base hot dip galvanized steel sheet excellent in retention of gloss
04/20/2005EP1524323A1 Process for producing oil tempered wire
04/20/2005EP1523584A1 FABRICATION OF B/C/N/O/Si DOPED SPUTTERING TARGETS
04/20/2005EP1446509A4 Duplex stainless steels
04/20/2005CN1607990A Fluxless brazing method and compositions of layered material systems for brazing aluminum or dissimilar metals
04/20/2005CN1197986C Titaniferous ultra high strength metastable austenitic stainless steel and its manufacture