Patents for C22C 33 - Making ferrous alloys (11,268)
10/2008
10/08/2008EP1976652A1 Lubricant for powder metallurgical compositions
10/08/2008CN101280397A Composite low-carbon leaded steels and preparation thereof
10/08/2008CN101280394A High-silicon low-carbon high-heat resistance hot work die steel
10/08/2008CN101280385A Manufacturing process of boiler tube for hydrocracking unit
10/08/2008CN101280382A Globe mill austenitic-bainitic nodular cast iron grinding ball and manufacturing method thereof
10/08/2008CN100424211C Modified steel and its production method
10/08/2008CN100424189C Method for reclaiming and cyclic utilizing residue molten steel slag in steel making
10/02/2008US20080241583 High Chromium Ferritic Steel With 0.5 Atomic % Hafnium, Part Of Which Is Ion Implanted
10/01/2008EP1974067A1 Bimodal and multimodal dense boride cermets with superior erosion performance
10/01/2008EP1974062A1 Process for production of compacted graphite iron
10/01/2008CN101275567A Powder metal scrolls
10/01/2008CN101275208A Austenitic free-cutting stainless steel
10/01/2008CN101275204A Cr-Mn-Ti gear steel and preparation thereof
10/01/2008CN101275195A Method for realizing direct nickel alloying in stainless steel smelting process by electric arc furnace
10/01/2008CN101275174A Nitrogen content control method for smelting stainless steel by vacuum oxygen decarburization device
09/2008
09/25/2008WO2008114571A1 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
09/24/2008EP1971462A1 Binder for the fabrication of diamond tools
09/24/2008CN101270452A Connection material for flashing light jointing of hadfield steel cross frog and carbon steel rails, and production method thereof
09/24/2008CN101270450A Ferro-nickel alloy and smelting method
09/24/2008CN101270441A Economy type X80 pipeline steel and producing method thereof
09/24/2008CN101270440A Economy type X70 pipeline steel and producing method thereof
09/24/2008CN101270433A Method for producing alloy nodular cast iron material
09/24/2008CN101270432A Technique for directly melting vanadium steel in ladle liquid with inert gas inject V2O5 powder
09/24/2008CN100420768C Low-alloy cast steel and method for preparing same
09/24/2008CN100420766C Cast steel and method for preparing same
09/24/2008CN100420763C Production process for grade II screw thread reinforced bar
09/23/2008CA2401968C Intermetallic compound superconductors and alloy superconductors, and methods of making them
09/23/2008CA2261235C Process for the preparation of an iron-based powder
09/18/2008WO2008086088A3 Enhancement of material properties by infiltration of powder metal part: formulation and method of application thereof
09/17/2008EP1968761A1 Metallurgical powder composition
09/17/2008CN101265556A Method for producing ultra-high strength chromium series cast iron board band
09/17/2008CN101265547A High-chromium-manganese cast iron roller and preparation method thereof
09/17/2008CN101265546A Method for producing spheroidal graphite cast iron from waste steel
09/17/2008CN101265545A Method for smelting middle-vanadium iron
09/17/2008CN100419113C High-strength deformed steel bar and method of manufacturing same
09/10/2008CN201111512Y Steel strip type heating furnace active and passive wheels clearance self-adjusting transmission device
09/10/2008CN101260499A Boron-containing casting die steel and preparation method thereof
09/10/2008CN101260497A Boron-containing high-chromium abrasion-proof cast iron and preparation method thereof
09/10/2008CN101260496A Wear-resistant sintered member and producing method therefor
09/10/2008CN101260495A Method for manufacturing 590MPa stage low yield ratio low carbon equivalent weight steel plate for building
09/10/2008CN100417740C Heat source material of high frequency electromagnetic wave heat generating device and its manufacturing method
09/09/2008US7422697 Composite sintered magnetic material, its manufacturing method, and magnetic element using composite sintered magnetic material
09/03/2008EP1405928B1 Method for production of a sintered alloy
09/03/2008CN101258259A A maraging steel article and method of manufacture
09/03/2008CN101258258A Powder metallurgically manufactured high speed steel
09/03/2008CN101255773A H-shaped steel for electrified railroad contact network pillar as well as preparation technique thereof
09/03/2008CN101255533A High-carbon low-chromium rare earth alloy and method for preparing same
09/03/2008CN101255531A Production method of low-Ti pinion steel
09/03/2008CN101255526A Rear earth fe-b alloy strip cast having texture and preparation thereof
09/03/2008CN101255525A Method for producing high-strength gray cast iron
09/03/2008CN101255524A Method for producing nodular graphite cast iron
09/03/2008CN101255523A Hydrogen storage alloy, hydrogen storage film and hydrogen storage tank
09/03/2008CN100415926C Microalloyed nickel chromium high-temperature alloy material and method for preparing the same
09/03/2008CN100415924C High carbon high-speed steel of containing granular carbide, and preparation method thereof
09/03/2008CN100415923C High-strength casted air-colled bainite wear-resisting steel and preparing method thereof
09/03/2008CN100415920C Intermediate alloy in use for wear resisting steel iron material, and usage
08/2008
08/27/2008EP1961506A1 Rare earth sintered magnet and method for producing same
08/27/2008CN201106061Y Scrap preheater for charging electric stove
08/27/2008CN101251152A Oil impregnated sintered bearing and method for manufacturing same
08/27/2008CN101250666A Wind electric gear steel and manufacture method thereof
08/27/2008CN101250662A Method for smelting high-nitrogen steel
08/27/2008CN101250661A Method for producing low carbon ferromanganese
08/27/2008CN101250660A Method for vacuum smelting titanium alloy containing titanor metal
08/27/2008CN101250659A Method for improving and stabilising boron recovery rate for vacuum smelting steel containing boron
08/27/2008CN100413990C Dedicated tungsten-containing bainite forged steel for railway frog crossing and manufacturing method thereof
08/27/2008CN100413989C Producing isotropic steel by continuously annealing process and its producing method
08/27/2008CN100413987C High nitrogen alloy smelting process with cathode glow region to cover melt surface
08/26/2008US7416697 Method for preparing a metallic article having an other additive constituent, without any melting
08/26/2008CA2318214C Process of preparing an iron-based powder in a gas-tight furnace
08/21/2008WO2008013581A3 High carbon surface densified sintered steel products and method of production therefor
08/20/2008EP1957219A1 Method for adaptively controlling processes for the production of cast iron
08/20/2008EP1513638B1 Metal powder composition including a bonding lubricant and a bonding lubricant comprising glyceryl stearate.
08/20/2008CN201102977Y Environment-friendly nickel/cobalt/iron alloy producing system
08/20/2008CN101248204A Steel alloy and tools or components manufactured out of the steel alloy
08/20/2008CN101245437A High collapse-resistance and hydrogen sulphide-corrosion-resistant low alloy petroleum case pipe and method of manufacturing the same
08/20/2008CN101245436A High-strength toughness steel for continuous sucker rod and method for manufacturing same
08/20/2008CN101245434A Vehicle wheel steel and smelting method
08/20/2008CN101245433A Wire rod for prestressed concrete steel stick and manufacturing process
08/20/2008CN100412223C Ultra-high strength steel with excellent corrosion resistance and fatigue resistance and its making process
08/20/2008CN100412221C High temperature self-lubrication alloyed steel, smelting method and application thereof
08/20/2008CN100412219C Production method of III threading reinforcing bar
08/14/2008WO2008096621A1 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
08/14/2008DE112006000070T5 Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung Rare earth sintered magnet, and method for its preparation
08/13/2008EP1558776B1 High temperature resistant alloys
08/13/2008CN101243199A Powder metallugically manufactured steel, a tool comprising the steel and a method for manufacturing the tool
08/13/2008CN101240404A High-carbon high-boron wear-resisting alloy and preparation method thereof
08/13/2008CN101240398A Intermetallic compound anisotropy magnetic powder, preparation method and special device
08/13/2008CN101240397A Converter-RH-LF-continuous casting technique for producing pipe line steel
08/13/2008CN101240392A Rare earth alloy
08/13/2008CN101240361A Core-spun yarn core layer composition
08/13/2008CN100410408C Alterant
08/12/2008CA2426665C Nanosized intermetallic powders
08/07/2008WO2008069696A3 Method for processing ore concentrates containing iron, titanium and vanadium oxides and a device for carrying out said method
08/06/2008EP1951923A2 Steel compositions, methods of forming the same, and articles formed therefrom
08/06/2008CN101236818A Making method for soft magnetic alloy compound material with high magnetic conductivity
08/06/2008CN101236817A Magnetic sensitive material and its making method
08/06/2008CN101236813A Making method for high saturated and magnetized intensity cobalt adulterated Fe\|Si\|Al alloy
08/06/2008CN101236812A Making method for electromagnetic wave interference resisting iron ,silicon, aluminum and nickel alloy
08/06/2008CN101235465A In-situ synthesis of boride/iron-base composite material and manufacturing method thereof
08/06/2008CN101235464A Copper and nickel alloying twin crystal inducing plasticity steel material and preparation technique
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