Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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12/16/2009 | CN101603158A Large-diameter centrifugal casting furnace roller |
12/16/2009 | CN101603157A Chromium-tungsten-rare earth-boron series air cooling medium-high carbon bainite steel and preparation method thereof |
12/16/2009 | CN101603156A Manufacture method for manufacturing cantilever steel pipe with high strength and high toughness by using hot-rolling coiled plate |
12/16/2009 | CN101603155A Microalloy non quenched and tempered steel for automobile axle head |
12/16/2009 | CN101603154A New material of hot perforation top head of steel pipe |
12/16/2009 | CN101603153A Hot-rolled ferrite-bainite dual-phase steel and production method thereof |
12/16/2009 | CN101603152A Centrifugation device high-temperature alloy used for glass wool production |
12/16/2009 | CN101603151A NbTi composite microalloyed free-cutting pinion steel |
12/16/2009 | CN101603150A Flexible rolling production method for high-strength hot-rolled dual-phase steel |
12/16/2009 | CN101603149A Low-alloy high-speed steel |
12/16/2009 | CN101603148A Method for producing economic low-temperature heating oriented electrical steel |
12/16/2009 | CN101603147A Hard tinned plate suitable for stamping processing and production process thereof |
12/16/2009 | CN101603146A Automobile spoke steel and smelting process |
12/16/2009 | CN101603145A Method for manufacturing high-efficiency non-oriented electrical steel for motor |
12/16/2009 | CN101603144A 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate and manufacturing method thereof |
12/16/2009 | CN101603140A Method for smelting nickel-containing molten iron by use of laterite ore |
12/16/2009 | CN101603119A Method for manufacturing steel plate with high strength and high toughness by using hot-rolling coiled plate |
12/16/2009 | CN101602079A Method for manufacturing wear-resistant steel pipe by using hot-rolling coiled plate |
12/16/2009 | CN101602078A Method for manufacturing section steel with high strength and high toughness by using hot-rolling steel plate |
12/16/2009 | CN100570762C Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof |
12/16/2009 | CN100570167C Machine element and method for manufacture thereof |
12/16/2009 | CN100569983C Preparation of Cr-Mn-Ti gear steel |
12/16/2009 | CN100569982C Manufacturing method for seamless steel pipe |
12/16/2009 | CN100569981C High strength low-carbon alloy structural steel used for centrifugal compressor impeller and preparation method thereof |
12/16/2009 | CN100569980C Sieve plate for sorting middle high manganese steel stone material and its making method |
12/16/2009 | CN100569979C Sieve plate for sorting ultra-high manganese steel stone material and its making method |
12/16/2009 | CN100569404C Method of rolled high niobium pipeline steel |
12/15/2009 | US7632775 Two dissimilar elemental metals/ metal oxides and dispersant form a complex ormodified polymer and bind to a catalyst support; iron/platinum-modifiedpolyacrylates; oxalic acid comples; carbon black support; antiagglomerants; stability; uniform dispersion; heterogeneous nanocatalysts; selectivity |
12/15/2009 | US7632053 Method for the production of a screw, and screw produced according to said method |
12/15/2009 | CA2486352C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
12/15/2009 | CA2480651C Bulk steel for the production of injection moulds for plastic material or for the production of pieces for working metals |
12/15/2009 | CA2441720C Highly impact-resistant steel pipe and method for producing the same |
12/15/2009 | CA2377398C Use of a stainless steel for umbilicals in seawaters |
12/10/2009 | WO2009148193A1 Steel plate excellent in sour resistance and steel pipe for linepipes |
12/10/2009 | US20090304543 Steel for nitrocarburizing use, steel product for nitrocarburizing use and crankshaft |
12/10/2009 | US20090304542 Method for the production of pigs,and pigs |
12/10/2009 | US20090301615 Method for producing an internal combustion engine valve and valve obtained in this manner |
12/10/2009 | US20090301613 Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance |
12/10/2009 | US20090301609 High-Strength Non-Oriented Electrical Steel Sheet |
12/10/2009 | US20090300902 Cold-rolled steel sheet and process for producing the same |
12/10/2009 | DE102005030413C5 Hochfester austenitisch-martensitischer Leichtbaustahl und seine Verwendung High-strength austenitic-martensitic lightweight steel and its use |
12/09/2009 | EP2130938A1 High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same |
12/09/2009 | EP2130937A1 High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same |
12/09/2009 | EP2130936A1 Soft magnetic ribbon, magnetic core, magnetic part and process for producing soft magnetic ribbon |
12/09/2009 | EP2129808A2 Austenitic iron-nickel-chromium-copper alloy |
12/09/2009 | CN101600812A High tensile steel products excellent in the resistance to delayed fracture and process for production of the same |
12/09/2009 | CN101598172A Eccentric shaft and manufacturing method thereof |
12/09/2009 | CN101597900A Metal tubular pile buttplate and production process thereof |
12/09/2009 | CN101597725A Free-machining chromium stainless steel for ball pen head |
12/09/2009 | CN101597724A Alloy structural steel and production method thereof |
12/09/2009 | CN101597723A Low inner stress and high strength and magnetic induction property steel and manufacturing method thereof |
12/09/2009 | CN101597722A Multielement ferroboron resisting zinc liquid corrosion and preparation method thereof |
12/09/2009 | CN101597721A Steel for non-magnetic drilling tool and production method thereof |
12/09/2009 | CN101597720A High temperature resistance and high strength alloy steel and heat treatment process thereof |
12/09/2009 | CN101597719A Low Cr connector alloy of flat plate type intermediate temperature solid oxide fuel cell |
12/09/2009 | CN101597718A Wear resistance steel medium alloy lining board |
12/09/2009 | CN101597717A Wear resistance steel medium alloy lining board |
12/09/2009 | CN101597716A Low carbon bainite type cold work reinforced non-hardened/tempered steel |
12/09/2009 | CN101597715A Iron-based high-temperature alloy material for guide roller and preparation method thereof |
12/09/2009 | CN101597714A High strength steel strip |
12/09/2009 | CN101597713A Micro alloying SWRH87B hot rolled wire rod and manufacturing method thereof |
12/09/2009 | CN101597674A Continuous annealing method of DC01 steel plate with low yield and high tensile strength for automobiles |
12/09/2009 | CN101596553A High speed steel roll collar applied to high speed wire rolling mill and manufacture method thereof |
12/09/2009 | CN101596551A Binary alloy coating seamless steel tube top and manufacture method thereof |
12/09/2009 | CN100567550C Austenic stainless steel and method for manufacturing same |
12/09/2009 | CN100567549C Carbides-free bainite wear resistant steel plate and production process thereof |
12/09/2009 | CN100567548C Method for manufacturing high-vanadium, high-cobalt high speed steel |
12/09/2009 | CN100567547C Thick armor plate with high tension and method for manufacturing the same |
12/09/2009 | CN100567546C Thick steel plate having excellent toughness and reduced softening in weld heat-affected zone |
12/09/2009 | CN100567545C High grade non-oriented silicon steel and method for manufacturing same |
12/09/2009 | CN100567544C Oriented electrical sheet containing trace amount depressor and method for manufacturing same |
12/09/2009 | CN100567543C Magnetic refrigeration material and method of manufacturing thereof |
12/09/2009 | CN100567542C Stainless steel for high pressure hydrogen, container and hardware made of such steel |
12/09/2009 | CN100567540C Method for determining Ti addition amount of 550MPa grade Ti micro-alloying high-strength weathering steel |
12/09/2009 | CN100567519C Technique for producing deep-drawing cold-rolled plate based on CSP technique |
12/09/2009 | CN100566922C Process for manufacturing corrosion resistant low-chromium tubing in CO2 and H2S coexisted environment |
12/09/2009 | CN100566873C Abrasion-proof cast iron roll collar for straightening steel rail and preparation method thereof |
12/08/2009 | US7628869 Flange of steel consisting of iron and carbon for towers for electricity-generating windmills, where operating conditions include extreme wind conditions and extremely cold temperatures; flange will desirably have low temperature performance to provide defect-free operation over lifetime of windmill |
12/08/2009 | CA2433626C High strength hot-dip galvanized or galvannealed steel sheet having improved plating adhesion and press formability and process for producing the same |
12/08/2009 | CA2264977C Use of low alloy steel in applications where anti-coking properties are required |
12/03/2009 | WO2009145563A2 Ultra high strength steel sheet with an excellent heat treatment property for hot press forming, quenched member, and manufacturing method for same |
12/03/2009 | WO2009145562A2 High-strength steel sheet with excellent ductility and crackless edge portion, hot-dip galvanized steel sheet, and manufacturing method thereof |
12/03/2009 | WO2009145347A1 Flux-cored wire for welding of duplex stainless steel which enables the miniaturization of solidified crystal particles |
12/03/2009 | WO2009145328A1 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same |
12/03/2009 | WO2009145168A1 Manufacturing method for machine parts having superior rolling-contact fatigue life |
12/03/2009 | WO2007024114A9 Steel sheet for galvanizing with excellent workability, and method for manufacturing the same |
12/03/2009 | US20090297872 High-Tensile Steel Plate, Welded Steel Pipe or Tube, and Methods of Manufacturing Thereof |
12/03/2009 | US20090297387 Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof |
12/03/2009 | US20090293998 Oil-Tempered Wire and Method of Producing the Same |
12/03/2009 | DE112008000426T5 Heisskanalsystem mit Verbunddüsenspitze Hot runner system with composite nozzle tip |
12/03/2009 | DE102008026154A1 Steel alloy with alloying element for the protection against corrosion and/or embrittlement effect, useful in automotive engineerings |
12/02/2009 | EP2128295A1 High-strength hot dip zinc plated steel sheet having excellent moldability, and method for production thereof |
12/02/2009 | EP2128294A1 Base metal for clad steel plate having high strength and excellent toughness in welding heat-affected zone, and method of producing the same |
12/02/2009 | EP2128293A1 Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof |
12/02/2009 | EP2128292A1 Iron-based soft magnetic alloy, thin ribbon of amorphous alloy, and magnetic part |
12/02/2009 | EP2128291A1 Magnetic alloy, amorphous alloy ribbon, and magnetic part |
12/02/2009 | EP2128290A1 R-t-b base alloy, process for production thereof, fine powder for r-t-b base rare earth permanent magnet, and r-t-b base rare earth permanent magnet |
12/02/2009 | EP2128289A1 Steel sheet for cans, hot-rolled steel sheet to be used as the base metal and processes for production of both |
12/02/2009 | EP2128288A1 High tensile steel products excellent in the resistance to delayed fracture and process for production of the same |
12/02/2009 | EP2128278A1 Process for producing bend pipe for line pipe and bend pipe for line pipe |