Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
04/2007
04/04/2007CN1942599A Ferritic stainless steel
04/04/2007CN1942598A High-cr high-ni austenitic heat-resistant cast steel and exhaust system component produced from same
04/04/2007CN1942597A Nonoriented electromagnetic steel sheet excellent in blankability and magnetic characteristics after strain removal annealing, and method for production thereof
04/04/2007CN1942596A Austenitic stainless steel, method for producing same and structure using same
04/04/2007CN1942264A Process for producing alloy slab for rare-earth sintered magnet, alloy slab for rare-earth sintered magnet and rare-earth sintered magnet
04/04/2007CN1940375A Composite antiknocking material and its production
04/04/2007CN1940369A Low-strength external thickening oil pipe and its production
04/04/2007CN1940368A N80-1 external thickening oil pipe and its production
04/04/2007CN1940115A Weldable steel of high strenght and high toughness, and method of producing members using the same
04/04/2007CN1940114A High-hardenability die steel
04/04/2007CN1940113A Die steel
04/04/2007CN1940112A Low-alloy and superhigh carbon composite phase steel and its manufacture
04/04/2007CN1940111A Nano-crystal soft magnetic alloy material and its production
04/04/2007CN1940110A Excellent weldability 490mpa low yield ratio cold shaping steel pipe and its mfg. method
04/04/2007CN1940109A Steel for battery shell with excellent planar isotropism and its production
04/04/2007CN1940108A Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production
04/04/2007CN1308970C Magnetostriction material
04/04/2007CN1308477C Rich granule iron series stainless steel with good hot work ability and antibacterial effect
04/04/2007CN1308476C Chilled alloy and magnetic powder
04/04/2007CN1308475C Earth-iron-boron alloy, powder for magnet and sintered magnet made therefrom
04/03/2007US7198682 Process for the production of grain oriented electrical steel
03/2007
03/29/2007WO2007034911A1 Steel members, method for heat treatment of the same, and process for production thereof
03/29/2007WO2007034576A1 Steel product usable at low temperature and method for production thereof
03/29/2007WO2007033635A1 Process for manufacturing cold-formed precision steel pipes
03/29/2007WO2006126101A3 Manufacture of a magnetically readable medium from iron aluminide intermetallics
03/29/2007US20070072039 Metallic separator for fuel cell
03/29/2007US20070072006 Intermetallic magnetically readable medium
03/29/2007US20070071997 surface treatment; improved formability; for automobiles, motorcycles
03/29/2007US20070067990 Powder metal scrolls
03/29/2007DE10205403B4 Bimetall-Sägeband Bimetal bandsaw
03/29/2007CA2622410A1 Process for manufacturing cold-formed precision steel pipes
03/28/2007EP1766101A1 Austenitic stainless steel composition and use thereof for the production of structural parts for land transport means and containers
03/28/2007EP1390550B1 Method for producing a high permeability grain oriented electrical steel
03/28/2007EP1093673A4 Active electrode compositions comprising raney based catalysts and materials
03/28/2007CN1938798A Rare earth magnet, method for producing same and method for producing multilayer body
03/28/2007CN1938115A Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article
03/28/2007CN1936055A Low yield ratio high tension steel plate and its producing method
03/28/2007CN1936054A Electric resistance alloy and its preparing process
03/28/2007CN1936053A Alloy containing microelements and appliance thereof
03/28/2007CN1307380C Valve and its mfg. method
03/28/2007CN1307321C Parts for fluid
03/28/2007CN1307320C Titanium-added ferritic stainless steel sheet and production method therefor
03/28/2007CN1307319C Steel material for mechanical structure excellent in suitability for rolling, quenching crack resistance, and torsional property and drive shaft
03/27/2007US7195736 Lead-free steel for machine structural use with excellent machinability and low strength anisotropy
03/27/2007US7195680 Soft magnetic alloy for clock-making
03/22/2007WO2007032531A1 Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component
03/22/2007WO2007032439A1 Material for trilaminar stainless steel clad steel sheet, process for producing thick sheet or steel sheet for solid polymer type fuel cell separator, and solid polymer type fuel cell separator
03/22/2007US20070065717 Material of case for storage cell
03/22/2007US20070065666 Driving gear used to transmit power
03/22/2007US20070065330 Dynamic seal
03/22/2007DE102006027391A1 Gesinterter Ventilsitz und Verfahren zu dessen Herstellung The sintered valve seat and process for its preparation
03/21/2007EP1764238A1 Annular concentrically twisted bead cord
03/21/2007EP1040890B1 Powder material for powder plasma overlaying and powder plasma overlaying metal
03/21/2007CN1934660A Corrosion-resistant rare earth magnets and process for production thereof
03/21/2007CN1934283A R-Fe-B-based rare earth permanent magnet material
03/21/2007CN1934282A 滚动轴承 Rolling
03/21/2007CN1934279A Process for producing low-alloy steel excelling in corrosion resistance
03/21/2007CN1933042A Method for reducing rear-earth permanent magnetic temperature coefficient and raising corrosion resisting and mechanical property
03/21/2007CN1932070A Heat resistant steel without Ni and Cr for furnace and its production process
03/21/2007CN1932066A Low carbon high alloy steel for ball mill lining and its making process
03/21/2007CN1932065A Weldable high-strength microalloyed medium carbon steel oil well pipe and its making process
03/21/2007CN1932064A Thick steel plate with great line energy and low welding crack sensitivity and its production process
03/21/2007CN1932063A Thick steel plate with high strength and low welding crack sensitivity and its production process
03/21/2007CN1932062A Steel having improved toughness in welding heat-affected zone and its production
03/21/2007CN1306527C Rare earth magnetic alloy sheet, its manufacturing method, sintered rare earth magnetic alloy powder, sintered rare earth magnet, metal powder for bonded magnet, and bonded magnet
03/21/2007CN1306475C Thin film magnetic head, head gimbal assembly, and hard disk device
03/21/2007CN1306190C Two piece oil control ring with nitrided surface layers
03/21/2007CN1306117C Welding of an element of a track unit and a rail section without adding any material
03/21/2007CN1306057C Trace rare earth element-containing iron-based nanocrystalline alloy
03/21/2007CN1306056C Low-carbon free cutting steel
03/21/2007CN1306055C Production process of high-strength cold heading rivet and screw steel
03/21/2007CN1306054C Alloy for electrode of electron gun
03/21/2007CN1306047C Process for producing high tensile hot-dip zinc-coated steel sheet of excellent ductility and antifatigue properties
03/21/2007CN1306046C High-resistant, low-density hot laminated sheet steel and method for the production thereof
03/20/2007US7193822 Thin film magnetic head, head gimbal assembly, and hard disk drive
03/20/2007CA2280923C High-tensile-strength steel and method of manufacturing the same
03/15/2007WO2007030256A1 A maraging steel article and method of manufacture
03/15/2007WO2007030079A1 Powder metallurgically manufactured high speed steel
03/15/2007WO2007029772A1 Transition metal nitride, fuel cell separator, fuel cell stack, fuel cell vehicle, method for producing transition metal nitride, and method for producing fuel cell separator
03/15/2007WO2007029736A1 Porous iron powder, process for producing the same and radio wave absorber
03/15/2007WO2007029687A1 Low alloy steel
03/15/2007WO2007029626A1 Martensitic stainless steel sheet for heat-resistant disc brake having excellent hardenability
03/15/2007WO2007029515A1 High-toughness wear-resistant steel exhibiting little hardness change in service and process for production thereof
03/15/2007WO2005118904A3 Case hardened stainless steel oilfield tool
03/15/2007US20070056657 Corrosion and wear resistant alloy
03/15/2007US20070056401 Process of making metal containing iron oxide and iron sulfide based nanoparticle materials
03/15/2007DE202007000892U1 Verschleißbüchse Wear bushing
03/15/2007DE102005030413B3 Hochfester austenitisch-martensitischer Leichtbaustahl und seine Verwendung High-strength austenitic-martensitic lightweight steel and its use
03/15/2007CA2621772A1 Transition metal nitride, separator for fuel cells, fuel cell stack, fuel cell vehicle, method of manufacturing transition metal nitride, and method of manufacturing separator forfuel cells
03/15/2007CA2620209A1 A maraging steel article and method of manufacture
03/14/2007EP1762632A1 Iron-based rare-earth-containing nanocomposite magnet and process for producing the same
03/14/2007EP1762316A1 Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered article
03/14/2007CN1930402A 车轮用轴承装置 Wheel bearing device
03/14/2007CN1930401A Machine element and method for manufacture thereof
03/14/2007CN1930316A Zinc hot dip galvanized composite high strength steel plate excellent in formability and bore-expanding characteristics and method for production thereof
03/14/2007CN1928377A Stainless steel solid bearing holder and its making method
03/14/2007CN1928143A High strength anti-corrosion easy processing and low magnetic cast steel for manufacturing ship weldable structure
03/14/2007CN1928142A Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same
03/14/2007CN1928140A Method for adding Mn into high Mn content stainless steel in smelting process
03/14/2007CN1928130A Process for manufacturing low yield strength ultrafine grain belt steel