| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 06/18/2009 | WO2009075542A2 High strength steel plate for high heat input welding having welded joint with superior impact toughness in weld heat affected zone |
| 06/18/2009 | WO2009075494A1 High carbon steel sheet superior in tensile strength and elongation and method for manufacturing the same |
| 06/18/2009 | WO2009075351A1 R-t-b alloy, process for production of r-t-b alloy, fine powder for r-t-b rare earth permanent magnets, and r-t-b rare earth permanent magnets |
| 06/18/2009 | WO2009074736A1 Method for making stainless steel comprising fine carbonitrides and product obtained by said method |
| 06/18/2009 | WO2009074205A1 Line part of a nickel-poor steel for an exhaust system |
| 06/18/2009 | US20090155118 High Strength Steel |
| 06/18/2009 | US20090151824 High strength wire rod excellent in drawability and method of producing same |
| 06/18/2009 | DE202008015481U1 Schmucksachen aus Edelstahl mit einer martensitischen Randschicht Jewelry made of stainless steel with a martensitic surface layer |
| 06/18/2009 | DE102007061062A1 Verfahren zum Erzeugen einer bis zu 30% Mangan enthaltenden Stahlschmelze A method for generating a up to 30% manganese steel melt containing |
| 06/18/2009 | DE102007060133A1 Leitungsteil aus nickelarmem Stahl für eine Abgasanlage Line part of nickelarmem steel for an exhaust system |
| 06/18/2009 | DE102007059007A1 Producing hot-rolled strip from triplex structural steel for automobile industry, by casting melt in horizontal strip casting plant, free of bends and with killed-flow to form pre-strip and then rolling with deformation grade to give strip |
| 06/17/2009 | EP2071597A1 METHOD FOR PRODUCING SINTERED NdFeB MAGNET |
| 06/17/2009 | EP2071045A2 Method and device for producing hardened components from sheet metal with a closed profile or an open profile with an undercut |
| 06/17/2009 | EP2071044A1 A method for producing high-carbon steel rails excellent in wear resistance and ductility |
| 06/17/2009 | EP2070637A1 Product and method for low temperature fluxless brazing |
| 06/17/2009 | EP2069549A1 Steel preferably suitable for making shells of caster rolls for aluminium and its alloys and relevant heat treatment |
| 06/17/2009 | EP2069548A2 Metal gasket and method of making |
| 06/17/2009 | EP2069547A2 Steel composition for special uses, in particular in the automotive field |
| 06/17/2009 | CN101460647A High-strength steel sheets and processes for production of the same |
| 06/17/2009 | CN101460646A High-strength composite steel sheet having excellent moldability and delayed fracture resistance |
| 06/17/2009 | CN101460645A High-strength steel sheet excellent in stretchability, stretch flangeability, and weldability |
| 06/17/2009 | CN101460644A High-strength steel sheet and its production method |
| 06/17/2009 | CN101460643A Austenitic stainless steel |
| 06/17/2009 | CN101460642A Zn-coated steel sheet having excellent surface quality and the method for manufacturing the same |
| 06/17/2009 | CN101457330A Corrosion resistant low chromium oil casing tube used in CO2 and H2S coexistence environment |
| 06/17/2009 | CN101457329A Steel for boron micro-alloying waste heat treatment steel bar |
| 06/17/2009 | CN101457328A High chromium, high manganese and high nitrogen biphase stainless steel and preparation method thereof |
| 06/17/2009 | CN101457327A Ti adding low carbon CrMo steel lath and technique for producing the same |
| 06/17/2009 | CN101457326A Medium-carbon and low-alloy structural steel and its application in caterpillar machinery chassis member |
| 06/17/2009 | CN101457325A Hot rolling or hot piercing of high performance Fe-Cr-Co permanent magnetic alloy material |
| 06/17/2009 | CN101457324A Low density, high intensity and high performance powder metallurgy lining and preparation method thereof |
| 06/17/2009 | CN100502091C Battery and method of its manufacture |
| 06/17/2009 | CN100501881C Solid material for magnet |
| 06/17/2009 | CN100500922C Corrosion resistant structural steel with ultra high strength |
| 06/17/2009 | CN100500921C Two-phase stainless steel for urea-producing plant |
| 06/17/2009 | CN100500920C Heat resistance stainless steel and smelting method thereof |
| 06/17/2009 | CN100500919C Novel high carbon high tungsten hig speed steel rolling roller |
| 06/17/2009 | CN100500918C Steel for large diameter non-tempering petroleum sleeve |
| 06/17/2009 | CN100500917C Sulfur erosion resisting steel smelting method |
| 06/17/2009 | CN100500916C Boron-containing steel and preparation method thereof |
| 06/17/2009 | CN100500915C Dual phase steel of ferrite and bainite |
| 06/17/2009 | CN100500914C Method for rolling thick specification low-alloy structure steel plate by using middle and thin plate blank |
| 06/17/2009 | CN100500913C Low-manganese low- sulfur raw material ferroferrite for amorphous usage and method of production |
| 06/17/2009 | CN100500912C Steel sheet for flexible can, and its production method |
| 06/17/2009 | CN100500911C Steel plate excellent in resistance to fatigue crack expansibility and manufacturing method thereof |
| 06/17/2009 | CN100500910C Seamless steel pipe and method for production thereof |
| 06/17/2009 | CN100500909C Alloy tool steel |
| 06/17/2009 | CN100500361C Welded structure excellent in resistance to stress corrosion cracking |
| 06/16/2009 | US7547365 High productive and low cost for a nanocomposite magnet; measuring a coercivity of a solidified alloy prior to annealing, rapidly cooling, heating and crystallizing the solidified alloy, forming an amorphous alloy; metal working to obtain excellent magnetic properties; motors, meters, sensors, speakers |
| 06/16/2009 | CA2444175C Reinforced durable tool steel, method for the production thereof, method for producing parts made of said steel, and parts thus obtained |
| 06/11/2009 | WO2009072753A1 High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof |
| 06/11/2009 | WO2009072663A1 Steel with weld heat-affected zone having excellent ctod properties and process for producing the steel |
| 06/11/2009 | WO2009072559A1 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding |
| 06/11/2009 | WO2009072445A1 Steel for fracture split connecting rods |
| 06/11/2009 | WO2009072394A1 Non-oriented electromagnetic steel plate having low high-frequency iron loss and process for producing the non-oriented electromagnetic steel plate |
| 06/11/2009 | WO2009072303A1 High-strength steel sheet, automotive strengthening member comprising the same, and process for producing automotive strengthening member |
| 06/11/2009 | WO2009071752A1 Method for selecting composition of steel and its use |
| 06/11/2009 | WO2009071046A1 Steel for high-strength components comprising bands, sheets or tubes having excellent formability and particular suitability for high-temperature coating processes |
| 06/11/2009 | WO2009044135A3 Duplex stainless steel casting alloy composition |
| 06/11/2009 | WO2008054300A9 Duplex stainless steel alloy and use of this alloy |
| 06/11/2009 | US20090148336 Cast-in cemented carbide components |
| 06/11/2009 | US20090148335 Process for surface treatment of metals |
| 06/11/2009 | US20090148334 Nanophase dispersion strengthened low cte alloy |
| 06/11/2009 | US20090145525 Induction hardened hollow driving shaft |
| 06/11/2009 | US20090145523 Method for manufacturing heat resisting member applicable to an exhaust gas guide assembly with improved heat resistance for VGS turbocharger |
| 06/11/2009 | CA2674197A1 Steel plate superior in ctod properties of weld heat-affected zone and method of production of same |
| 06/10/2009 | EP2067870A1 Enameling steel sheet highly excellent in unsusceptibility to fishscaling and process for producing the same |
| 06/10/2009 | CN101454471A Ferritic stainless steel sheet having excellent heat resistance |
| 06/10/2009 | CN101454470A DR steel sheet and process for manufacturing the same |
| 06/10/2009 | CN101454469A Unidirectionally grain oriented electromagnetic steel sheet having excellent iron loss properties |
| 06/10/2009 | CN101451221A High-strength steel plate and method for producing the same |
| 06/10/2009 | CN101451220A High-strength abrasion-proof steel plate and method for producing the same |
| 06/10/2009 | CN101451219A High intensity wear-resistant steel plate and preparation method thereof |
| 06/10/2009 | CN101451218A Quenching and tempering type abrasion resistant steel and heat treating method thereof |
| 06/10/2009 | CN101451217A Steel for pipeline and method for producing the same |
| 06/10/2009 | CN101451216A Thick specification hot-rolled steel sheet for roll forming high intensity metal sheet pile and manufacturing technology |
| 06/10/2009 | CN101451215A Nanocrystalline composite NdFeB permanent magnetic alloy and preparation method thereof |
| 06/10/2009 | CN101451214A Large thickness novel anti-hydrogen sulfide steel and method for producing the same |
| 06/10/2009 | CN101451213A Method for producing large thickness and high intensity steel plate for boiler drum |
| 06/10/2009 | CN101451212A High intensity steel plate and preparation method thereof |
| 06/10/2009 | CN101451211A Method for smelting tire cord steel by electric arc |
| 06/10/2009 | CN100497711C Steel material for steam turbine final blade and heat treating process thereof |
| 06/10/2009 | CN100497710C High intensity corrosion resistant antibiotic type stainless steel wire for brassieres and manufacturing method thereof |
| 06/10/2009 | CN100497709C Alloy steel powder for metal injection molding improved in sintering characteristics and sintered article |
| 06/10/2009 | CN100497708C Low-alloy super-strength steel and heat treatment technique for the same |
| 06/10/2009 | CN100497707C Metal material and process for producing various accessories therefrom |
| 06/10/2009 | CN100497706C Steel for welded structures excellent in low temperature toughness of weld heat affected zone and method of production of same |
| 06/10/2009 | CN100497705C High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof |
| 06/10/2009 | CN100497704C Duplex stainless steel |
| 06/09/2009 | US7544255 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance |
| 06/04/2009 | WO2009070345A1 Lean austenitic stainless steel |
| 06/04/2009 | WO2009069762A1 Steel products for piston rings and piston rings |
| 06/04/2009 | WO2009069703A1 Combination structure of piston ring and cylinder liner of internal combustion engine |
| 06/04/2009 | WO2009069547A1 Machine component and rolling bearing |
| 06/04/2009 | WO2009069283A1 Steel for high-frequency quenching with excellent cold workability, rotary member made of said steel, and motion guiding apparatus using said rotary member |
| 06/04/2009 | WO2009068722A1 Heat-resistant steel alloy and coiler drum |
| 06/04/2009 | WO2009067861A1 Fe-based amorphous soft magnetic alloy powder, magnetic powder core comprising the powder and manufacturing method of the same |
| 06/04/2009 | WO2009067773A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 06/04/2009 | US20090142220 Sinter-hardening powder and their sintered compacts |
| 06/04/2009 | US20090142219 Sinter-hardening powder and their sintered compacts |