Patents for C22C 33 - Making ferrous alloys (11,268)
12/2008
12/17/2008CN201165544Y Reverse V-shaped granule magnesium molten iron desulfuring spray gun
12/17/2008CN201165534Y Granule magnesium molten iron desulfuring spray gun
12/17/2008CN101325109A High-strength tenacity agglomeration neodymium-iron-boron magnet reconstructed by crystal boundary phase and preparation method thereof
12/17/2008CN101323929A High strength steel plate for big thickness tall building structure and production method thereof
12/17/2008CN101323927A Method for producing high-temperature alloy by induction heating vacuum refining
12/17/2008CN101323926A Method for producing ultra-low carbon corrosion resisting alloy by using plasma refining
12/17/2008CN100443616C Fast microwave crystallizing process for preparing nanometer crystalline iron-base soft magnetic alloy
12/17/2008CN100443615C Weldable high-strength microalloyed medium carbon steel oil well pipe and its making process
12/17/2008CN100443612C Technological method for improving comprehensive performance of M42 high speed steel
12/10/2008EP1350762B1 Intermetallic compound superconductor and alloy superconductor, and method for their preparation
12/10/2008EP0913220B1 Iron base powder mixture for powder metallurgy excellent in fluidity and moldability
12/10/2008CN101319290A Gray cast iron nucleating agent, method for producing product and application of the gray cast iron nucleating agent for smelting cast iron
12/10/2008CN101319289A Smelting method for high manganese steel casting
12/10/2008CN100441720C Process for producing anti-corrosion carbon constructional steel
12/10/2008CN100441719C Abrasion resistance sintered body and method for producing same
12/10/2008CN100441341C Samarium-iron-nitrogen and iron-platinum double phase nano magnetic material and its preparing method
12/03/2008EP1740333B1 Iron-based powder composition
12/03/2008CN101317238A Method for producing rare earth permanent magnet material
12/03/2008CN101316674A Process for producing rare-earth permanent magnet material
12/03/2008CN101314835A Low-cost non-magnetoelectricity roll body and manufacturing process thereof
12/03/2008CN101314834A Low carbon nichrome reduced iron
12/03/2008CN100439543C Hot-rolled super-strength martensitic steel and method for manufacturing same
12/03/2008CN100439539C Process of producing iron alloy with low carbon and chromium
12/03/2008CN100439538C Process of producing iron alloy with low carbon and manganese
12/03/2008CN100439012C Iron based soft magnetic powder
12/02/2008US7459219 Items made of wear resistant materials
12/02/2008CA2361014C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel
11/2008
11/27/2008WO2008143091A1 Sintered soft magnetic powder molded body
11/27/2008US20080292488 Method for preparing a metallic article having an other additive constituent, without any melting
11/27/2008CA2686285A1 Enhanced alloy recovery in molten steel baths utilizing cored wires doped with deoxidants
11/26/2008CN101311293A Large-scale mold module and method for manufacturing same
11/26/2008CN101311290A Nonmagnetic Strength-toughen stainless steel and method for manufacturing same
11/26/2008CN101311289A Steel for stamping die and method of manufacture
11/26/2008CN101311288A Wire rod for producting1770Mpa bridge cable galvanized steel wire and method for manufacturing same
11/26/2008CN101311286A Process for producing nickel iron from low catarinite
11/26/2008CN100436633C Low carbon high alloy steel for ball mill lining and its making process
11/26/2008CN100436632C Vanadium treated bake hardening type deep drew steel plates of saloon sedan, and preparation method
11/26/2008CN100436627C Process for producing C-Mn-Al killed steel
11/26/2008CN100436005C Powder metal mixture including micronized starch
11/26/2008CN100436001C Process for manufacturing rare earth high-carbon low-alloy steel liner
11/20/2008WO2008139690A1 Process for production of ndfeb sintered magnets
11/20/2008CA2685790A1 Method for making ndfeb sintered magnet
11/19/2008EP1992709A1 Metal powder for use in additive method for the production of three-dimensional objects and method using such metal powder
11/19/2008EP1991715A1 A powder and a process for the production of a sintered body, and a sintered body
11/19/2008EP1360340B1 Iron-cobalt-vanadium alloy
11/19/2008CN101308718A Rare earth ¿C iron super magnetostriction material and preparing method thereof
11/19/2008CN101307416A Homogeneous free machining steel and production process thereof
11/19/2008CN101307410A Smelting method of furnace tube for hydrocracking device
11/19/2008CN101307409A Material of furnace tube for hydrocracking device and stock method
11/19/2008CN100434561C Steel in use for soldering pressure pipe in hydraulic power station under large line energy, and manufacturing method
11/19/2008CN100434558C High-boron cast steel containing granular boride and preparing method thereof
11/19/2008CN100434556C Method for adding Mn into high Mn content stainless steel in smelting process
11/18/2008CA2302698C Lubricant for metallurgical powder composition
11/13/2008WO2008136277A1 Process for production of ferromolybdenum and ferromolybdenum
11/13/2008WO2008134822A1 Improvements in the production of ferro-alloys
11/13/2008CA2685210A1 Improvements in the production of ferro-alloys
11/12/2008EP1989338A2 Porous body containing mixed oxides made from an iron/chrome alloy for fuel cells
11/12/2008CN101302602A Rare earth austenite hot work die steel and preparation thereof
11/12/2008CN101302601A High-strength tough large-cross section non-quenched and tempered steel rod and preparation thereof
11/12/2008CN101302600A Boron micro-alloying low-carbon two-phase steel produced by hot continuous rolling process
11/12/2008CN101302599A Niobium microalloyed high strength hot work die steel and preparation thereof
11/12/2008CN101302597A Hypereutectic high-chromium white cast iron and preparation thereof
11/12/2008CN100432271C Iron-based bulk amorphous alloy having hard magnetism and method for preparing same
11/12/2008CN100432268C Fe-based bulk amorphous alloy and method for preparing same
11/12/2008CN100432264C Thermostable antiwear oxidation resistant alloyed steel and preparation method thereof
11/12/2008CN100432263C Ultrahigh-strength and high-toughness welded cast steel
11/12/2008CN100432262C Rare earth-containing high-nitrogen ultralow-nickel super-duplex stainless steel alloy materials and method for preparing same
11/05/2008EP1988183A1 R-t-b alloy, method for producing the same, fine powder for r-t-b rare earth permanent magnet, and r-t-b rare earth permanent magnet
11/05/2008EP1799875A4 Production of ferro-alloys
11/05/2008CN101298648A Molybdenum-titanium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique
11/05/2008CN101298647A Iron-chromium-cobalt permanent magnetic alloy of composite microelements and deformation processing technique thereof
11/05/2008CN101298646A Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique
11/05/2008CN100431062C Sintered R-Fe-B series permanent magnet and its manufacturing method
11/05/2008CN100430509C Low-alloy and superhigh carbon composite phase steel and its manufacture
11/05/2008CN100430507C 700MPa grade high ductility low-yield ratio thick steel plate and manufacture method thereof
11/05/2008CN100430506C Nickel-free micro-alloy low-temperature pressure vessel steel and manufacturing method thereof
10/2008
10/30/2008US20080268275 Method of Controlling the Oxygen Content of a Powder
10/30/2008DE20122873U1 Metallpulver-Verbundwerkstoff und Ausgangsmaterial Metal powder composite material and feedstock
10/29/2008EP1985393A1 Iron-base mixed powders and processes for production of iron-base powder compacts and sintered iron-base powder compacts
10/29/2008CN101294258A Low-chromium high purity ferritic stainless steel and method for manufacturing same
10/28/2008US7442261 Cemented carbide is added to iron alloy melt; casting; wear and chemical resistance
10/22/2008CN101289731A CrMnTi narrow hardenability strip pinion steels and method of manufacture
10/22/2008CN101289726A Biphase antibiotic stainless steel and method for making same
10/22/2008CN101289725A Process for producing gray cast iron with high carbon equivalent, low alloy and middle-high strength
10/22/2008CN101289724A Novel composite inoculant for austenitic manganese steel
10/22/2008CN101289723A Novel composite modifier for austenitic manganese steel
10/22/2008CN101289722A Double- modification method for advanced austenitic manganese steel
10/22/2008CN101289718A Metallic glass material synthesized from metallic elements
10/22/2008CN101289713A Production process of vanadium-nitrogen alloy
10/22/2008CN100427630C High strength atmospheric corrorsion resistant section steel and production method thereof
10/22/2008CN100427626C Phosphorous pig iron carbon increasing method for aluminum electrolysis
10/16/2008WO2008124243A1 Shaped articles made from low temperature carburized metal powder
10/16/2008US20080251159 Methods for Producing Raw Material Alloy for Rare Earth Magnet, Powder and Sintered Magnet
10/15/2008CN101285151A Petroleum case pipe with high strength and toughness and producing method thereof
10/15/2008CN101285149A Process for smelting special alloy steel
10/15/2008CN101285148A Method for preparing high nitrogen and nickel-less austenitic stainless steel
10/15/2008CN100425722C Method for improving property of TiAI intermetallic compound based composite material
10/15/2008CN100425718C Low-nitrogen ferrotitanium, its manufacturing method and cored wire
10/15/2008CN100425392C Preparation method for cold rolling sheet of duriron
10/09/2008WO2008120784A1 Process for producing magnet
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