| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 06/05/2013 | CN103131934A Method for improving uniformity of 30Cr2Ni4MoV steel casting structure |
| 06/05/2013 | CN103131933A Preparation method of high-speed steel |
| 06/05/2013 | CN103131932A Preparation method of nano A12O3 granule |
| 06/05/2013 | CN103131931A Producing method of high-purity silicon iron |
| 06/05/2013 | CN103131930A Method for preparing powdery high-speed steel piece |
| 06/05/2013 | CN103131929A Preparation method of powder high-speed steel material |
| 06/05/2013 | CN103131928A Preparation method of ultra-fine grain multihole iron alloy of micro-nano structure |
| 06/05/2013 | CN102586666B Special cleansing agent for short-flow high-strength cast iron and manufacturing process thereof |
| 06/05/2013 | CN102407292B Process for casting piston-ring blanks |
| 06/05/2013 | CN102373382B Standard sample for Young's modulus performance detection, and preparation method thereof |
| 06/05/2013 | CN102277535B Ridger tooth alloy material and preparation method thereof |
| 06/05/2013 | CN102259167B Method for casting turbocharger encloser casting |
| 06/05/2013 | CN101949311B Turbocharger shell and preparation method thereof |
| 06/05/2013 | CN101317238B Method for producing rare earth permanent magnet material |
| 05/30/2013 | WO2013077840A1 Alloying technique for fe-based bulk amorphous alloy |
| 05/29/2013 | EP2597660A2 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
| 05/29/2013 | EP2597659A2 Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy |
| 05/29/2013 | EP2596144A1 Piston ring having a thermally sprayed coating and method for producing same |
| 05/29/2013 | EP2596141A2 Amorphous metal alloy |
| 05/29/2013 | EP2596140A1 Watch-making or clock-making component comprising an amorphous metal alloy |
| 05/29/2013 | CN103122433A Ultrahigh-carbon type bearing steel |
| 05/29/2013 | CN103122432A Flaky graphite cast iron, and method for production thereof |
| 05/29/2013 | CN103122418A Method for preparing high-performance sintered neodymium-iron-boron by eliminating alpha-Fe |
| 05/29/2013 | CN102230134B Machining process of Qquaternary marine mooring chain steel with large specification and high performance |
| 05/29/2013 | CN102108473B Iron-based amorphous alloy and preparation method thereof |
| 05/29/2013 | CN101994054B Intermediate containing ultrafine oxide ferroalloy and preparation method thereof |
| 05/23/2013 | US20130126054 Amorphous metal alloy |
| 05/22/2013 | EP2595163A1 Method for producing r-t-b-based sintered magnets |
| 05/22/2013 | EP2593201A1 Iron copper compositions for fluid purification |
| 05/22/2013 | CN103114256A Low-temperature-resistant guide impeller and production method thereof |
| 05/22/2013 | CN103114252A Low-alloy wear-resistant steel for lining plate and preparation method thereof |
| 05/22/2013 | CN103114239A Rare-earth-containing 34Mn2V high-pressure gas bottle blank and production method thereof |
| 05/22/2013 | CN103114238A High-strength and high-hardness gray cast iron material and method for casting same into casting |
| 05/22/2013 | CN103114236A CeFeSiCa alloy added into steel and manufacturing method thereof |
| 05/22/2013 | CN103114235A Core-spun thread for increasing N and V in molten steel and use method thereof |
| 05/22/2013 | CN102618769B Manufacturing method of Mo2FeB2 based steel bonded hard alloy |
| 05/22/2013 | CN102586664B Production method of hot-rolled no-fold low carbon steel |
| 05/22/2013 | CN102477474B Sulfur feeding method for smelting molten steel in vacuum induction furnace |
| 05/22/2013 | CN102373387B Steel plate for large-strain cold-bent tube and manufacturing method thereof |
| 05/22/2013 | CN102251166B Manufacture method of slip sheet of air conditioner compressor |
| 05/22/2013 | CN102168230B 304 substituting nickel-saving austenitic stainless steel and preparation method thereof |
| 05/22/2013 | CN102162067B Steel for anticorrosion sucker rods in oil field and production method thereof |
| 05/15/2013 | EP2590764A1 Method for the production of an element subject to wear, element subject to wear and temporary aggregation structure to produce said element subject to wear |
| 05/15/2013 | CN103106992A High bending force resistant permanent magnet materials and preparation method thereof |
| 05/15/2013 | CN103103458A High strength weathering resistant steel and preparation method |
| 05/15/2013 | CN103103443A Bearing steel GCr15 production technology capable of preventing plugging of continuous casting water gap |
| 05/15/2013 | CN103103442A Method for preparing neodymium-iron-boron material through main-auxiliary alloy method |
| 05/15/2013 | CN103103441A Pressure container steel with high toughness at -140 DEG C and production method thereof |
| 05/15/2013 | CN103103434A LaFeSiCa alloy for steel and manufacturing method thereof |
| 05/15/2013 | CN103103433A New material for cylinder jacket and casting process thereof |
| 05/15/2013 | CN103103307A Method for producing steel for low-nitrogen stranded wire by use of non-vacuum process of converter |
| 05/15/2013 | CN103100829A Preparation method for cold rolls of super hardness wide width light gauge aluminum foils |
| 05/15/2013 | CN102400052B Preparation method of narrow-hardenability pinion steel |
| 05/08/2013 | EP2590181A1 R-t-b based rare earth permanent magnet, motor, automobile, power generator and wind energy conversion system |
| 05/08/2013 | EP2590180A1 R-t-b type rare earth permanent magnet, motor, automobile, power generator, and wind power generation system |
| 05/08/2013 | CN103098155A Method for producing rare-earth magnet |
| 05/08/2013 | CN103093916A Neodymium iron boron magnetic materials and preparation method of the same |
| 05/08/2013 | CN103093915A High tenacity magnetic materials and preparation method of the same |
| 05/08/2013 | CN103088265A High temperature resistant alloy and its preparation method |
| 05/08/2013 | CN103088263A Brake disc and preparation method thereof |
| 05/08/2013 | CN103088262A Silicon-magnesium alloy hot-press hollow slab and preparation method thereof |
| 05/08/2013 | CN103088250A High-carbon low-alloying high-strength gray pig iron and smelting method thereof |
| 05/08/2013 | CN103088249A Abrasion-resistant alloy cast iron material with high hardness for chute lining plate, and preparation method thereof |
| 05/08/2013 | CN103088247A Machining tool material |
| 05/08/2013 | CN103084547A Device and method of producing ductile iron casting of camshaft |
| 05/08/2013 | CN102392178B Nodular cast iron and centrifugal composite casting roller |
| 05/08/2013 | CN102383033B 600-MPa grade vanadium-containing high-strength hot-rolled steel bar and production method thereof |
| 05/08/2013 | CN102352469B Ultrahigh-strength vanadium-titanium composite microalloyed high carbon steel wire rod and preparation method thereof |
| 05/08/2013 | CN102061357B Dephosphorization refining process for phosphorus-containing coarse ferronickel |
| 05/08/2013 | CN102021488B Steel for nuclear-island seamless steel tube and production method thereof |
| 05/02/2013 | WO2013061744A1 R-t-b sintered magnet |
| 05/01/2013 | EP2586878A1 Method for controlling titanium content in ultra-low carbon killed steel |
| 05/01/2013 | CN103081041A Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 05/01/2013 | CN103081040A Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 05/01/2013 | CN103081038A Rare earth permanent magnet and production method for rare earth permanent magnet |
| 05/01/2013 | CN103081037A Rare earth permanent magnet and method for manufacturing rare earth permanent magnet |
| 05/01/2013 | CN103081036A Rare earth permanent magnet and production method for rare earth permanent magnet |
| 05/01/2013 | CN103080355A Alloy material for R-T-B-based rare earth permanent magnet, production method for R-T-B-based rare earth permanent magnet, and motor |
| 05/01/2013 | CN103080349A Iron-based mixture powder for sintering and iron-based sintered alloy |
| 05/01/2013 | CN103078121A Preparation method of chromium-nitrogen composite pole plate material for fuel cell |
| 05/01/2013 | CN103077796A Corrosion-resistant neodymium-iron-boron permanent magnet material and preparation method thereof |
| 05/01/2013 | CN103074548A High-anticorrosion high-strength Al-containing weather-proof steel plate and manufacturing method thereof |
| 05/01/2013 | CN103074544A Cr-Mo-RE low-alloy seamless steel pipe for high-pressure boiler and manufacturing method of pipe |
| 05/01/2013 | CN103074543A Manufacturing technology of steel containing molybdenum |
| 05/01/2013 | CN103074539A Centrifugal composite high-nickel-niobium wear-resisting cast iron roll and casting method thereof |
| 05/01/2013 | CN103074538A Production method for microalloyed ultra-high strength and high carbon equivalent gray pig iron |
| 05/01/2013 | CN103074537A Kamaz heavy truck cylinder liner smelting and forming casting process |
| 05/01/2013 | CN103074465A Molten steel purifying and casting method |
| 05/01/2013 | CN102618777B Method for improving high-speed machinability of cast iron |
| 05/01/2013 | CN102363855B Method for improving susceptibility of flake formation of wheel steel by using second phase in steel |
| 05/01/2013 | CN102260817B Cast iron with high strength, high temperature resistance and corrosion resistance and method for preparing same |
| 05/01/2013 | CN101962728B Spray gun for desulfurizing in molten iron by granular magnesium |
| 04/25/2013 | WO2012075486A3 Powder metal component impregnated with ceria and/or yttria and method of manufacture |
| 04/25/2013 | DE112009002701T5 Gesinterte Eisenlegierung und Verfahren zu deren Herstellung sowie Gegenstand aus gesinterter Eisenlegierung Sintered iron alloy and process for their preparation as well as article of sintered iron alloy |
| 04/24/2013 | EP2583089A1 Method for determining amounts of inoculant to be added to a cast-iron melt |
| 04/24/2013 | EP2582856A1 Method for manufacturing mechanical components made of particularly wear-resistant austempered spheroidal cast iron |
| 04/24/2013 | CN103068457A Iron copper compositions for fluid purification |
| 04/24/2013 | CN103065786A Manufacturing method of high permeability low power consumption Fe-Si-AI magnetic powder cores |
| 04/24/2013 | CN103060716A Alloy material for shaft seal static ring of air conditioning compressor and production method thereof |
| 04/24/2013 | CN103060711A Method for preparing stainless steel for boiler |