| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
|---|
| 06/04/2008 | CN101191174A Hot-rolling phase change induction plasticity steel with 750MPa-level extension strength and preparation method thereof |
| 06/04/2008 | CN101191172A Producing method for preventing aluminum-manganese-iron alloy pulverizing |
| 06/04/2008 | CN101191170A Method for smelting stainless steel oxidizing slag by using argon oxygen furnace |
| 06/04/2008 | CN101190493A Method for preparing solid borer for pile driving |
| 06/04/2008 | CN100392777C Method for preparing aeolotropic R-Fe-B-M permanent magnet material |
| 06/04/2008 | CN100392141C Improved composite high-chromium iron-cast roller |
| 06/04/2008 | CN100392140C Tungsten aluminium containing bainite forged steel special for railroad frog and its production method |
| 06/04/2008 | CN100392139C Alloy half steel composite roll collar and preparation process thereof |
| 06/04/2008 | CN100392138C Half high speed steel composite roller and preparation process thereof |
| 06/04/2008 | CN100392137C Iron-base anticorrosive alloy |
| 06/04/2008 | CN100392136C Surface non-adhered steel material of auxiliary roller of winder |
| 06/04/2008 | CN100392135C Ultra-high strength strip steel and its production process |
| 06/04/2008 | CN100392134C Production method of 450MPa grade cold rolled magnetic pole steel |
| 06/04/2008 | CN100392133C Production method of 350 MPa grade cold rolled magnetic pole steel |
| 06/04/2008 | CN100392132C Steel for low temperature and high tenacity structure use and its production method |
| 06/04/2008 | CN100392131C Hot rolled steel sheet for working and its manufacturing method |
| 06/04/2008 | CN100392120C Subcritical steam turbine bolting steel fine grain processing method |
| 06/04/2008 | CN100392118C Duplex stainless steels |
| 06/04/2008 | CN100391658C Fecral-alloy for use as electrical heating elements |
| 06/03/2008 | US7381478 Hot rolled steel sheet for processing and method for manufacturing the same |
| 06/03/2008 | US7381369 Free cutting alloy |
| 05/29/2008 | WO2008062985A1 Cold rolled steel sheet having excellent in-plane anisotropy and workability and method of manufacturing the same |
| 05/29/2008 | WO2008062984A1 Steel excellent in resistance to corrosion by sulfuric acid and method for manufacturing the same |
| 05/29/2008 | WO2008062901A1 Steel plate having high gathering degree of {222} plane and process for production thereof |
| 05/29/2008 | WO2008062853A1 Unidirectionally grain oriented electromagnetic steel sheet having excellent film adhesion, and method for manufacturing the same |
| 05/29/2008 | WO2008062757A1 Process for producing oriented object, molded object, and sintered object and process for producing permanent magnet |
| 05/29/2008 | WO2008062650A1 Surface-treated stainless-steel sheet excellent in salt damage/corrosion resistance and weld reliability for automotive fuel tank and for automotive fuel pipe and surface-treated stainless-steel welded pipe with excellent suitability for pipe expansion processing for automotive petrol pipe |
| 05/29/2008 | WO2008061925A2 Housing material of an exhaust treatment component |
| 05/29/2008 | WO2008061452A1 Roller for welding pipe mill |
| 05/29/2008 | WO2008041961A3 Austenitic stainless steel |
| 05/29/2008 | US20080124240 electromagnetic stainless steel excellent in machinability, corrosion resistance, hot and cold workability |
| 05/29/2008 | CA2636327A1 Surface treated stainless steel sheet for automobile fuel tank and for automobile fuel pipe with excellent salt corrosion resistance and weld zone reliability and surface treated stainless steel welded pipe for automobile fuel inlet pipe excellent in pipe expandability |
| 05/28/2008 | EP1925686A1 Nanocrystalline magnetic alloy, method for producing same, alloy thin band, and magnetic component |
| 05/28/2008 | CN101187316A Exhaust guide assembly for variable giometry shape turbocharger with improved high-temperature endurance |
| 05/28/2008 | CN101187315A Exhaust gas guide assembly, heat resisting component and method for manufacturing shaped material for adjustable blade applicable thereto |
| 05/28/2008 | CN101187314A Exhaust guide assembly for variable giometry shape turbocharger with improved high-temperature endurance |
| 05/28/2008 | CN101187313A Exhaust guide assembly for variable giometry shape turbocharger with improved high-temperature endurance |
| 05/28/2008 | CN101187295A Super high intensity anti-corrosion pumping rod production method |
| 05/28/2008 | CN101187294A Super H grade pumping rod |
| 05/28/2008 | CN101186995A Medium carbon bearing steel and its preparation method |
| 05/28/2008 | CN101186994A Micro-alloying steel for oil gas transport seamless pipeline and its preparation method |
| 05/28/2008 | CN101186993A Hydrogen embrittlement resistant roller and method for preparing same |
| 05/28/2008 | CN101186992A Nitrizing quenching product and its preparation method |
| 05/28/2008 | CN101186960A Method for producing wear-resisting hot-rolling steel plate by using furnace rolling machine and steel plate prepared by the same method |
| 05/28/2008 | CN101185940A Production technology of Q370qD bridge plate |
| 05/28/2008 | CN101185939A Production technology of Q420qD bridge plate |
| 05/28/2008 | CN100390415C Oil pump plunger |
| 05/27/2008 | US7377989 Steel tube excellent in exfoliation resistance of scale on inner surface |
| 05/27/2008 | CA2359188C High-hardness powder metallurgy tool steel and article made therefrom |
| 05/22/2008 | WO2008059759A1 Method for quenching steel product |
| 05/22/2008 | WO2008059669A1 Refractory steel material with excellent welded-joint toughness and process for producing the same |
| 05/22/2008 | WO2008058530A1 Process for producing a steel strip comprising a relatively high strength dual phase steel |
| 05/22/2008 | WO2008058410A1 Method for the continuous production of steel wire or bar |
| 05/22/2008 | US20080118766 Mixed powder for powder metallurgy and green compact using the same |
| 05/22/2008 | US20080118390 High-Stiffness High-Strength Thin Steel Sheet and Method For Producing the Same |
| 05/22/2008 | US20080118389 Nonoriented Electrical Steel Sheet Excellent In Core Loss |
| 05/22/2008 | US20080118388 Fluid or Drinking Water Ducting Systems |
| 05/22/2008 | US20080115864 Method of texturing polycrystalline iron/gallium alloys and compositions thereof |
| 05/21/2008 | EP1923477A1 Highly strong, thick electric resistance-welded steel pipe excellent in quenching property, hot forming processability and fatigue strength, and method for manufacture thereof |
| 05/21/2008 | EP1922430A1 Powder metallurgically manufactured high speed steel |
| 05/21/2008 | EP1264910B1 Steel pipe having excellent formability and method for production thereof |
| 05/21/2008 | DE112006001709T5 Einmal kalt gewaltztes Stahlband für eine Lochmaske und Verfahren zu dessen Herstellung Once cold gewaltztes steel strip for shadow mask and method for its manufacture |
| 05/21/2008 | CN101185144A Low magnetostriction body and dust core using same |
| 05/21/2008 | CN101184860A Carburized induction-hardened component |
| 05/21/2008 | CN101184859A Low carbon sulfur free-machining steel |
| 05/21/2008 | CN101184858A Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same |
| 05/21/2008 | CN101183594A Magnet and motor using magnet |
| 05/21/2008 | CN101182836A Sintered composite machine part and manufacturing method thereof |
| 05/21/2008 | CN101182757A Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof |
| 05/21/2008 | CN101182624A Tisco manganese steel casting surface alloying process method |
| 05/21/2008 | CN101182622A High intensity, corrosion resistant and high ductility steel for mooring chain and production process thereof |
| 05/21/2008 | CN101182621A High intensity corrosion resistant antibiotic type stainless steel wire and mfg. process for brassieres and manufacturing method thereof |
| 05/21/2008 | CN101182620A Corrosion and wear resistant alloy |
| 05/21/2008 | CN101182619A High-strength toughness cold working die steel and method of producing the same |
| 05/21/2008 | CN101182618A Tenacity excellent high intensity steel for welding heat influenced part |
| 05/21/2008 | CN101182617A Middle high manganese steel sieve plate for sorting stone material and its making method |
| 05/21/2008 | CN101182616A Ultra-high manganese steel sieve plate for sorting stone material and its making method |
| 05/21/2008 | CN100389223C Self-lubricating alloy material and method for preparing the same |
| 05/21/2008 | CN100389222C Production method for improving electromagnetic performance and bottom layer quality of copper containing orientation silicium steel |
| 05/20/2008 | US7374623 Metallurgical product of carbon steel, intended especially for galvanization, and processes for its production |
| 05/20/2008 | US7374622 enhanced strength and wear resistance; suitable for railway and tramway structures; chrome-nickel-molybdenum steel suitable for frogs (intersecting point of a railway switch); casting, austempering |
| 05/20/2008 | US7374597 Fe3Pd phase and Mn in fcc form; for a rigid carbon composition; from melting an ethynyl organic compound and a metallic compound; in bulk; |
| 05/20/2008 | CA2342817C Duplex stainless steel |
| 05/15/2008 | WO2008056812A1 High young's modulus steel plate and process for production thereof |
| 05/15/2008 | WO2008056552A1 Process for producing high-concentration carburized steel |
| 05/15/2008 | WO2008056428A1 Steel for high-strength spring and heat-treated steel wire for high-strength spring |
| 05/15/2008 | WO2008055391A1 A thin slab continuous casting and rolling process for manufacturing a 700mpa-grade high-strength and weather- resistance ti-microalloyed steel plate |
| 05/15/2008 | US20080114198 Partially alloyed nickel, carbon and iron; can be mixed with nickel free iron powder without deteriorating performance; soil treatment |
| 05/15/2008 | US20080113210 Rare earth element-iron-boron alloy, and magnetically anisotropic permanent magnet powder and method for production thereof |
| 05/15/2008 | US20080112841 Atmospheric corrosion resistance can be improved in iron cobalt based target materials without impairing superior magnetic properties, such as high saturation magnetic flux density, by adopting an iron:cobalt atomic ratio in the range of 10:90 and 70:30 |
| 05/15/2008 | US20080112840 Includes chromium of 19.5-22.5%, molybdenum of 0.5-2.5%, nickel of 1.0-3.0%, manganese of 1.5-4.5%, nickel of 0.15%-0.25%, carbon of 0.03% and less, phosphorus of 0.03% and less, silicon of 2% and less, iron and un-avoidable elements; incidence of edge crack is decreased while being hot-rolled |
| 05/15/2008 | US20080112839 655 Mpa Grade Martensitic Stainless Steel Having High Toughness and Method for Manufacturing the Same |
| 05/15/2008 | US20080112838 Non-Oriented Electrical Steel Superior In Core Loss |
| 05/15/2008 | US20080112837 Ferritic heat resistant steel |
| 05/15/2008 | US20080110535 High Tensile Strength Steel Material Having Excellent Delayed Fracture Resistance Property, and Method of Manufacturing the Same |
| 05/15/2008 | US20080110533 Non heat treated; high toughness and having preferable weldability; rolling is completed without lowering temperature during manufacturing process; precipitates are fine because of no reheating; low carbon; tensile strength is not less than 640 Mpa and the yield stress is not less than 490 Mpa |
| 05/15/2008 | DE102006054300A1 Höherfester Dualphasenstahl mit ausgezeichneten Umformeigenschaften High-strength dual-phase steel with excellent forming properties |
| 05/15/2008 | DE102006053819A1 Production of a steel component used in the chassis construction comprises heating a sheet metal part and hot press quenching the heated sheet metal part |
| 05/15/2008 | DE102006052834A1 Verfahren zum Herstellen eines Wälzlagerringes und Wälzlagerring A method of producing a rolling bearing ring and rolling bearing ring |
| 05/14/2008 | EP1921175A1 Corrosion and wear resistant alloy |