Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
05/2008
05/14/2008EP1921172A1 Method for production of steel material having excellent scale detachment property, and steel wire material having excellent scale detachment property
05/14/2008EP1920079A1 A maraging steel article and method of manufacture
05/14/2008EP1920078A1 Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same
05/14/2008EP1306456B1 Cold rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production
05/14/2008CN101180449A 径向扩张系统 Radial expansion of the system
05/14/2008CN101180413A Acier pour coques de sous-marins a soudabilite renforcee
05/14/2008CN101180411A Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
05/14/2008CN101177766A High-chromium alloy cast-iron concrete mixer lining board and method for manufacturing the same
05/14/2008CN101177765A Disk shearing blade and method for manufacturing the same
05/14/2008CN101177764A N-containing martensitic stainless steel wire for high-tension bolt and method for manufacturing the same
05/14/2008CN101177763A Super strength pumping rod steel
05/14/2008CN101177762A Liquid zinc corrosion resistant high-boron cast steel and preparation method thereof
05/14/2008CN101177761A Crane gib arm rack pipe and manufacturing method
05/14/2008CN101177760A High-strength shipbuilding section and production method thereof
05/14/2008CN101177754A Method for determining Ti addition amount of 550MPa grade Ti micro-alloying high-strength weathering steel
05/14/2008CN101177753A Melt treating method of high-vanadium high-speed steel roller material for various rolling machines
05/14/2008CN101176950A Method of preparing novel gradient functional material fine blanking die based on laser fusing-covering forming technique
05/14/2008CN100387747C Particle cutting knife material and its preparation method
05/14/2008CN100387746C Quasi bainitic steel and its application in rail way industry
05/14/2008CN100387745C Magnetostriction device
05/14/2008CN100387408C Granules cut moving knife and method for manufacturing the same
05/14/2008CA2593946A1 Iron powder for organic chlorinated compound decomposition and detoxifying treatment method using the same
05/13/2008US7371294 High-strength cold-rolled steel sheet having outstanding elongation and superior stretch flange formability and method for production therof
05/13/2008US7371293 Cold finished seamless steel tubes
05/13/2008US7371291 Hot rolling an inhibitor-free steel slab containing by 0.08% or less C, 1.0 to 8.0% Si, and 0.005 to 3.0% Mn, and Al and N each decreased to 0.020% or less and 50 ppm or less, respectively; annealing; cold rolling; recrystallization annealing; and low temperature final annealing; undercoating-free
05/13/2008CA2609829A1 Corrosion and wear resistant alloy
05/13/2008CA2325453C Cold work steel
05/08/2008WO2008054300A1 Duplex stainless steel alloy and use of this alloy
05/08/2008WO2008054166A1 Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same
05/08/2008WO2008053884A1 Steel wire for spring excellent in fatigue property and drawing property
05/08/2008WO2008053737A1 Sheet-form soft-magnetic material and process for producing the same
05/08/2008WO2008052921A1 Method for manufacturing flat steel products from a multiphase steel alloyed with silicon
05/08/2008WO2008052920A1 Method for manufacturing flat steel products from a multiphase steel alloyed with aluminum
05/08/2008WO2008052919A1 Method for manufacturing flat steel products from a multiphase steel microalloyed with boron
05/08/2008WO2008052918A1 Method for manufacturing flat steel products from a steel forming a martensitic structure
05/08/2008WO2008052917A1 Method for manufacturing flat steel products from a steel forming a complex phase structure
05/08/2008WO2008052851A1 Deep-drawn machine component, particularly a motor element, with at least one hardened bearing surface or guide surface
05/08/2008US20080107947 Ferritic steels for solid oxide fuel cells and other high temperature applications
05/08/2008US20080107559 Austenitic stainless steel
05/08/2008US20080105341 Heat treatment of inlaid pressure vessels
05/08/2008US20080105337 Low alloy steel for oil country tubular goods having high sulfide stress cracking resistance
05/08/2008DE4408114B4 Magnetisches Material Magnetic material
05/08/2008DE102006058917A1 Hochfeste Stahlbleche mit einer hervorragenden Verformbarkeit und Verfahren zum Herstellen derselben High-strength steel sheets with excellent formability and method of making same
05/08/2008DE102006051545A1 Tiefgezogenes Maschinenbauteil mit wenigstens einer gehärteten Lauf- oder Führungsfläche, insbesondere Motorenelement Deep-drawn machine component with at least a hardened running or guiding surface, in particular motor element
05/08/2008DE10014656B4 Kalt/Warmbearbeitungs- und Wärmebehandlungsverfahren für hochlegierten Stahl der Gruppe mit hohem Kohlenstoffgehalt Cold / Warmbearbeitungs- and heat treatment process for high-alloy steel of the group with high carbon content
05/08/2008CA2667436A1 Duplex stainless steel alloy and use of this alloy
05/07/2008EP1918408A2 Martensitic free cutting stainless steel
05/07/2008EP1918407A1 Iron-cobalt based soft magnetic alloy and method for its manufacture
05/07/2008EP1918406A1 Process for manufacturing steel flat products from boron microalloyed multi phase steel
05/07/2008EP1918405A1 Process for manufacturing steel flat products from silicon alloyed multi phase steel
05/07/2008EP1918404A1 Process for manufacturing steel flat products from aluminium alloyed multi phase steel
05/07/2008EP1918403A1 Process for manufacturing steel flat products from a steel forming martensitic structure
05/07/2008EP1918402A1 Process for manufacturing steel flat products from a steel forming a complex phase structure
05/07/2008EP1918401A2 Steel alloy for machining tools
05/07/2008EP1918400A1 Seamless steel pipe for line pipe and method for producing same
05/07/2008EP1918399A1 Ferritic stainless-steel sheet with excellent corrosion resistance and process for producing the same
05/07/2008EP1918398A1 Seamless steel pipe for line pipe and method for producing same
05/07/2008EP1918397A1 Seamless steel pipe for line pipe and method for producing same
05/07/2008EP1918396A1 High-tension steel sheet and process for producing the same
05/07/2008EP1918395A1 Seamless steel pipe and method for producing same
05/07/2008EP1918388A1 High-strength steel pipe and method of heat treatment therefor
05/07/2008EP1917376A1 Powder metallurgically manufactured steel, a tool comprising the steel and a method for manufacturing the tool
05/07/2008EP1917375A1 Steel alloy and tools or components manufactured out of the steel alloy
05/07/2008EP1917120A1 Amorphous iron-nickel-based brazing foil and brazing method
05/07/2008EP1740734A4 Nano-crystalline steel sheet
05/07/2008CN101173641A TiC dispersion strengthening cylinder cover
05/07/2008CN101173343A High-strength abrasion-proof cast steel lining board and manufacturing method thereof
05/07/2008CN101173342A As-cast state bainite vehicle cylinder cover
05/07/2008CN101173341A Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof
05/07/2008CN101173339A Steel, iron wheel balancing device and manufacturing method thereof
05/07/2008CN100386464C Rare earth low-nickel CrMnN stainless steel
05/07/2008CN100386463C Improved composite high chromium steel roller and preparation process thereof
05/07/2008CN100386462C Boron contg. multi-element low alloyed wearable cast steel and preparation method thereof
05/07/2008CN100386461C Ferrite antibacterial stainless steel for low-chrome copper-containing dishware and manufacturing method thereof
05/07/2008CN100386449C Controlled warm-rolling method
05/07/2008CN100386174C Bainite welding rod dedicated for repairing rail and assembled frog
05/06/2008CA2324603C Steel material and method for its manufacturing
05/02/2008WO2008050628A1 Seamless steel tube for airbag accumulators and process for production thereof
05/02/2008WO2008050597A1 Method for manufacturing non-oriented electrical sheet having excellent magnetic properties
05/02/2008WO2008049189A1 Component of metal molding system
05/02/2008WO2008029011A3 Steel plate for producing light structures and method for producing said plate
05/02/2008WO2008015643A3 Nickel-based brazing alloy and method for brazing
05/02/2008WO2006097112A3 Use of a steel composition for the production of an armouring layer of a flexible pipe and the flexible pipe
05/02/2008CA2667534A1 Seamless steel tube for an airbag accumulator and a process for its manufacture
05/01/2008US20080101980 comprises C, Si, Mn, Cr, Mo, W, V, Al, P, S and N; cutting tool may comprise a microstructure which is formed of tempered martensite
05/01/2008US20080101979 Hexagonal z-type ferrite sintered body and manufacturing method thereof
05/01/2008US20080100410 Soft magnetic alloy powder, compact, and inductance element
05/01/2008US20080099109 High-strength steel sheets with excellent formability and method for manufacturing the same
04/2008
04/30/2008EP1293581B1 Steel pipe for use in reinforcement of automobile and method for production thereof
04/30/2008DE102006056124A1 Wärmebeständiges Ferrit-Gußeisen mit hohem Siliziumgehalt mit Hochtemperaturfestigkeit und hoher Oxidationsbeständigkeit Heat resistant ferritic cast iron with high silicon content with high-temperature strength and high resistance to oxidation
04/30/2008DE102006014291B4 Verschleissfestes Sinterelement und Herstellungsverfahren hierfür Abrasion resistant sintered element and manufacturing method thereof
04/30/2008CN101171511A Method for evaluating the reliability of steel
04/30/2008CN101171356A Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same
04/30/2008CN101171355A Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same
04/30/2008CN101171354A Heat-resistant steel product and method for production thereof
04/30/2008CN101171353A Ferritic stainless steel sheet for original pipe of bellows
04/30/2008CN101171352A Ferrite stainless steel sheet for bellows stock pipe
04/30/2008CN101171351A Stainless steel pipe for oil well excellent in enlarging characteristics
04/30/2008CN101169984A Million-kilowatts-class nuclear power pressure container safe end manufacture process
04/30/2008CN101168826A High-performance low-carbon bainite construction steel and producing method thereof