Patents for C22C 33 - Making ferrous alloys (11,268)
08/2009
08/13/2009WO2009076923A3 Method for producing a steel melt containing up to 30% of manganese
08/12/2009EP2087250A1 Bearing having improved consume resistivity and manufacturing method thereof
08/12/2009EP2087142A2 Improved processing method for the production of amorphous/nanoscale/near nanoscale steel sheet
08/12/2009CN101506401A Powder forged member, powder mixture for powder forging, method for producing powder forged member, and fracture split type connecting rod using the same
08/12/2009CN101506398A High carbon surface densified sintered steel products and method of production therefor
08/12/2009CN101504249A Multifunctional vacuum-positive pressure smelting solidification equipment
08/12/2009CN101503784A High magnetostriction iron based amorphous alloy and preparation thereof
08/12/2009CN101503783A High nitrogen die steel for single crystal diamond turning and manufacturing method hereof
08/12/2009CN101503778A Preparation of giant magnetostriction alloy wire
08/12/2009CN101503777A Ductile iron for heavy type vehicle integrated axle housing
08/12/2009CN101503776A Method for producing alloy iron roll
08/12/2009CN101503746A Method for producing boron steel by converter
08/12/2009CN100526495C Boron-containing casting die steel and preparation method thereof
08/05/2009CN101501232A Bimodal and multimodal dense boride cermets with superior erosion performance
08/05/2009CN101497969A High-performance weather-resisting anti-seismic steel for building and production method thereof
08/05/2009CN101497968A Steel for microalloying lorry axle and technique for producing the same
08/05/2009CN101497965A Steel for cutting edge of shovel of loader and digger and production method thereof
08/05/2009CN101497959A Cold rolling baking hardened steel with yield strength 220MPa and production method thereof
08/05/2009CN101497956A Big section ferrite magnesium iron and preparation technique thereof
08/05/2009CN100523263C Iron-base shape memory alloy locked key and its manufacturing and using method
08/05/2009CN100523262C Meta-bainite steel and application of the same in railway
08/05/2009CN100523255C Soldering steel plate in high intensity in use for ocean by large line energy, and manufacturing method
08/05/2009CN100523254C Soldering not quenching and tempering steel plate in high intensity by large line energy, and manufacturing method
08/05/2009CN100523253C Soldering low alloy steel plate in high intensity by large line energy, and manufacturing method
08/05/2009CN100523252C Soldering boat deck steel in high intensity by large line energy, and manufacturing method
08/05/2009CN100523251C High-cleanliness steel and processes for producing the same
08/05/2009CN100522420C Metal powder composition including a bonding lubricant and a bonding lubricant comprising glyceryl stearate
07/2009
07/29/2009EP2082072A2 Prealloyed metal powder, process for obtaining it, and cutting tools produced with it
07/29/2009CN101492784A Novel process for smelting silicon-manganese steel for coal mine
07/29/2009CN100519802C Method for melting high-alumina weakly magnetic metal material by medium frequency induction furnace
07/29/2009CN100519801C Method for using electrode in nickel-iron smelting mine heat furnace
07/29/2009CN100519800C Method for producing low-oxygen high-carbon and high-chromium bearing steel by revolving furnace continuous casting technology
07/22/2009EP2080936A2 Sintered gear
07/22/2009EP1611586A4 Magnetic implement having a linear bh loop
07/22/2009CN100515612C Alloy steel powder for powder metallurgy
07/15/2009CN101481768A High nickel austenite ductile iron spheroidizing process
07/15/2009CN101481767A Preparation of magnetostriction alloy with excellent combination property
07/15/2009CN100513608C Composite rear earth alterant used for thermal fatigue resisting steel
07/15/2009CA2612959A1 High strength, high toughness, corrosion resistant martensitic steel alloy
07/14/2009US7559969 Methods and apparatuses for producing metallic compositions via reduction of metal halides
07/14/2009CA2371320C Pm high-speed steel tool having high-temperature resistance
07/09/2009WO2009085001A1 Low alloyed steel powder
07/09/2009WO2009085000A1 Low alloyed steel powder
07/09/2009CA2710748A1 Low alloyed steel powder
07/09/2009CA2710513A1 Low alloyed steel powder
07/08/2009EP1548148B1 Iron silicide sputtering target and method for production thereof
07/08/2009CN101476078A Method for manufacturing super two-phase stainless steel large-sized sea water pump shaft
07/08/2009CN101476077A Production method of ferroboron
07/08/2009CN100510139C Method for determining Ti addition amount of 700MPa grade Ti micro-alloying high-strength weathering steel
07/02/2009WO2009081978A1 Permanent magnet manufacturing method
07/01/2009CN101469388A Hard-particle powder for sintered body and sintered body
07/01/2009CN100507047C Cr-Mo alloyed steel round billet produced by arc continuous casting machine and technique thereof
06/2009
06/30/2009US7553445 Forming a mixed powder of copper or copper alloy and iron powder of specified surface area and particle size into a green compact, and sintering to obtain a porous alloy
06/25/2009WO2009076923A2 Method for producing a steel melt containing up to 30% of manganese
06/25/2009WO2009010445A3 Iron-based powder combination
06/24/2009EP1769096A4 Method and composition for dispersing extra-fine nickel powder
06/24/2009EP1556871B1 Heat treatment of soft magnetic components
06/24/2009CN100503843C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings
06/18/2009DE102007061062A1 Verfahren zum Erzeugen einer bis zu 30% Mangan enthaltenden Stahlschmelze A method for generating a up to 30% manganese steel melt containing
06/17/2009EP2071043A1 Method for the detersion of cast iron in liquid state
06/17/2009CN101457323A Smelting process of Fe-Cr-Co deformable permanent magnetic alloy material
06/17/2009CN100500908C Technique for alloying steel making directly from tungsten ore
06/16/2009US7547365 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
06/10/2009EP2066823A1 Metallurgical powder composition and method of production
06/10/2009CN101451210A High efficiency composite inoculant
06/10/2009CN101451209A Method for adding ferroboron during steel smelting process
06/03/2009EP2064359A1 Metallurgical powder composition and method of production
06/03/2009EP1601801A4 Corrosion and wear resistant alloy
06/03/2009CN101447331A Sintered R-Fe-B permanent magnet and its production method
06/03/2009CN101445888A Method for producing ductile cast iron by taking iron slag taken out by molten iron when pretreating slag skimming as material
06/03/2009CN100494446C Ductile cast iron inoculator, method for preparing product and application as smelting cast iron
06/03/2009CN100494445C Method for determining smelting nickel-iron reducer dosage for ore smelting furnace
06/03/2009CN100494444C Process of producing Ni-Cr-Fe alloy in ore-smelting furnace
06/03/2009CN100494443C Low-temperature titanium addition method for preparing TiCp/Fe composite material by in situ reaction casting method
06/03/2009CN100494442C Smelting method for ferrite stainless steel mother solution
05/2009
05/27/2009EP2061914A1 Steel alloy, a holder or a holder detail for a plastic moulding tool, a tough hardened blank for a holder or holder detail, a process for producing a steel alloy
05/27/2009EP1735121B1 Powder metallurgical compositions and methods for making the same
05/27/2009CN101440462A Economical long service life material for mechanical press forging die and manufacturing method thereof
05/27/2009CN101440461A Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof
05/27/2009CN101439351A Centrifugal casting production method of high-boron high-speed steel composite roller
05/27/2009CN100491577C FeZrNdYB nano block alloy having hard magnetism and method for preparing same
05/27/2009CN100491574C C-Mn-Ti-Nb series hot-rolled high strength high magnetic induction performance steel and manufacturing method thereof
05/27/2009CN100491572C Manufacture method for front brake disc cast for use in car
05/27/2009CN100491571C Method for improving low-alloy high-strength steel structure and performance
05/20/2009EP2059624A1 Thin cast strip with controlled manganese and low oxygen levels and method for making same
05/20/2009CN101435055A Casting type austenite stainless steel and manufacturing method thereof
05/20/2009CN100489143C High-chromium alloy cast-iron concrete mixer lining board and method for manufacturing the same
05/20/2009CN100489140C Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process
05/20/2009CN100489139C High-strength abrasion-proof cast steel lining board and manufacturing method thereof
05/20/2009CN100489137C Rare earth-iron-silicon base compound having primary magnetic phase change characteristics and its preparation method
05/20/2009CN100488667C Lubricants for insulated soft magnetic iron-based powder compositions
05/14/2009US20090123324 Iron-Base Alloy Containing Chromium-Tungsten Carbide And a Method Of Producing It
05/13/2009EP2057297A1 Improved powder metallurgy composition
05/13/2009EP1920079B1 A maraging steel article and method of manufacture
05/13/2009EP1706234A4 Metallurgical powder compositions and articles and methods utilizing the same
05/13/2009CN101429627A Austenite valve steel and technique for producing the same
05/13/2009CN101429626A Martensite air valve alloy and process for producing the same
05/13/2009CN101429613A Hard alloy steel production method
05/13/2009CN100487145C Method for smelting metal-based nano composite material
05/06/2009CN101423914A Creeping agent for pearlite type vermicular cast iron member
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