| Patents for C22C 33 - Making ferrous alloys (11,268) |
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| 12/29/2010 | CN101927344A Method for producing soft magnetic metal powder coated with mg-containing oxidized film and method for producing composite soft magnetic material using said powder |
| 12/29/2010 | CN101693934B Nodulant for alloying nodular cast iron |
| 12/29/2010 | CN101580914B Mn series non-magnetic ductile cast iron material |
| 12/29/2010 | CN101560629B Hot rolling strip steel having yield strength being higher than 800MPa and preparation method thereof |
| 12/29/2010 | CN101538675B Method for producing tough iron-chromium-aluminium ferritic electrothermal alloy |
| 12/29/2010 | CN101517111B Metallurgical powder composition and method of production |
| 12/29/2010 | CN101413084B Silicon-chromium-boron alloy wear resistant ball and manufacturing method thereof |
| 12/29/2010 | CN101341262B Process for production of compacted graphite iron |
| 12/22/2010 | CN201678694U Spray gun used for desulfuration of single blowing grain magnesium molten iron |
| 12/22/2010 | CN1988065B Powdered-iron magnet and rotating machine using the same |
| 12/22/2010 | CN101925684A Low alloyed steel powder |
| 12/22/2010 | CN101925683A Low alloyed steel powder |
| 12/22/2010 | CN101921967A Novel austenitic heat-resistance stainless steel |
| 12/22/2010 | CN101921966A Production method of sulfuric acid dew-point corrosion resistance hot rolled sheet |
| 12/22/2010 | CN101921953A Production method of anti-corrosion and high strength ultra-thick steel plates |
| 12/22/2010 | CN101921952A Steel for petroleum casing pipe, electric resistance welding petroleum casing pipe and manufacture methods thereof |
| 12/22/2010 | CN101921948A Novel piston ring and preparation method thereof |
| 12/22/2010 | CN101921947A Nodular cast iron bent axle waste heat air cooling and normalizing method |
| 12/22/2010 | CN101921945A Liquid iron inoculation process for ductile iron pipes |
| 12/22/2010 | CN101921944A High-vanadium anti-wear alloy and production method thereof |
| 12/22/2010 | CN101921931A Method for manufacturing precision alloy semicircular steel wires |
| 12/22/2010 | CN101920216A Wear-resistant hammer head of hammer crusher with movable installation position and manufacturing method thereof |
| 12/22/2010 | CN101487103B Vanadium niobium composite alloying cold working die steel and preparation thereof |
| 12/22/2010 | CN101270450B Ferro-nickel alloy and smelting method |
| 12/22/2010 | CN101029367B Spheroidizing treater |
| 12/21/2010 | CA2488504C Metal powder composition including a bonding lubricant and a bonding lubricant comprising glyceryl stearate |
| 12/15/2010 | CN101914725A Low-carbon ultra-deep punching cold-rolling steel sheet and production method thereof |
| 12/15/2010 | CN101914724A Substrate for strapping band |
| 12/15/2010 | CN101914722A Electromagnetic wave absorption material |
| 12/15/2010 | CN101914718A Method for carrying out liquid steel vanadium alloying by pelletizing by using vanadium iron fine powder |
| 12/15/2010 | CN101914717A Method for alloying vanadium in molten steel by using ferrovanadium fine powder in RH station |
| 12/15/2010 | CN101914716A Smelting method of steel and production method of reinforcing steel bars |
| 12/15/2010 | CN101914715A Method for smelting stainless steel mother liquor |
| 12/15/2010 | CN101914666A Method for improving transverse impact toughness of seamless steel tube |
| 12/15/2010 | CN101381845B High-purity ferrite stainless steel material and manufacturing method thereof |
| 12/15/2010 | CN101285151B Petroleum case pipe with high strength and toughness and producing method thereof |
| 12/08/2010 | EP2258501A2 Iron-based powder mixture for powder metallurgy and sintered body made of the composition |
| 12/08/2010 | EP1554071B1 Method of preparing iron-based components by compaction with elevated pressures |
| 12/08/2010 | CN1948535B Rare earth improving antibacterial performance silver containing stainless steel |
| 12/08/2010 | CN1721562B Direct melting method and device |
| 12/08/2010 | CN101911226A Permanent magnet manufacturing method |
| 12/08/2010 | CN101908398A Nano-phase material silicon steel sheet |
| 12/08/2010 | CN101908396A Nanocrystal composite NdFeB permanent magnet alloy with higher temperature stability and preparation method thereof |
| 12/08/2010 | CN101906591A Ultra high strength ship plate steel and production method thereof |
| 12/08/2010 | CN101906586A Steel for high-strength straight-seam welded pipe and manufacturing method thereof |
| 12/08/2010 | CN101906585A High-performance building structure refractory steel plates and manufacturing method thereof |
| 12/08/2010 | CN101906583A Heat resistance fiber material of catalyst carrier for purifying automobile exhaust and manufacturing method thereof |
| 12/08/2010 | CN101906578A Iron series soft magnetic alloy containing rare earth La and preparation technology thereof |
| 12/08/2010 | CN101906573A Alloy wire with wiedemann effect and preparation method thereof |
| 12/08/2010 | CN101906572A Method for synthesizing in-situ formed ceramic particle reinforced iron-aluminum-based composites by laser combustion |
| 12/08/2010 | CN101906568A High-grade large-strain pipeline steel and manufacturing method of steel pipe |
| 12/08/2010 | CN101906566A Preparation method of low temperature spherical iron casting for 3 MW wind power wheel hub as well as additive, nodulizing agent, inoculant and instantaneous inoculant for founding |
| 12/08/2010 | CN101906565A Carbide-containing ausferrite spheroidal graphite cast iron grinding ball and manufacturing method thereof |
| 12/08/2010 | CN101905411A Method for manufacturing coupler for distributor of automobile engine |
| 12/08/2010 | CN101905312A Process for casting U-shaped frame of wind power generation equipment |
| 12/08/2010 | CN101613811B Fe-Ga alloy deep undercooling cleaning agent and preparation method thereof |
| 12/08/2010 | CN101602105B Metal-based powder metallurgy brake lining material and preparation methods thereof |
| 12/08/2010 | CN101545066B Method for smelting H2S corrosion resistant petroleum casing pipe steel 110S |
| 12/08/2010 | CN101463446B Low-alloy white cast iron |
| 12/08/2010 | CN101418411B Low nickel cast iron and preparation method thereof and use thereof in impeller |
| 12/08/2010 | CN101289723B Novel composite modifier for austenitic manganese steel |
| 12/08/2010 | CN101248204B Steel alloy and tools or components manufactured out of the steel alloy |
| 12/07/2010 | US7845918 Powder metal scrolls |
| 12/01/2010 | CN101899630A Quenching steel plate for engineering machinery with 900MPa-grade yield strength and production method thereof |
| 12/01/2010 | CN101899629A Abrasion-resistant alloy cast steel and manufacturing equipment thereof |
| 12/01/2010 | CN101899628A Abrasion-resistant alloy cast steel and manufacturing method thereof |
| 12/01/2010 | CN101899627A Abrasion-resistant alloy cast steel and smelting and heat treatment processes |
| 12/01/2010 | CN101899622A Alloy steel for high-pressure container and preparation method thereof |
| 12/01/2010 | CN101899613A Method for reducing surface cracks of medium carbon niobium-containing steel |
| 12/01/2010 | CN101899609A Heat-resistant spherical graphite cast iron for steel ladle slide gate mechanism slide and processing method thereof |
| 12/01/2010 | CN101899608A Casting method of bearing seat of steam turbine |
| 12/01/2010 | CN101899607A Smelting technology of wear-resistant alloy cast steel and equipment system thereof |
| 12/01/2010 | CN101899606A Smelting device system of wear-resistant alloy cast steel |
| 12/01/2010 | CN101899605A Smelting process of abrasion-resistant alloy cast steel |
| 12/01/2010 | CN101899604A Direct alloying steelmaking process for manganese oxide composite briquettes used for re-blowing revolving furnace |
| 12/01/2010 | CN101899603A Method for preparing stainless steel |
| 12/01/2010 | CN101509109B FeNbBDy metallic glass magnetic materials and method of producing the same |
| 12/01/2010 | CN101508009B Instant inoculation method of large-section magnesium iron |
| 12/01/2010 | CN101503778B Preparation of giant magnetostriction alloy wire |
| 12/01/2010 | CN101440461B Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof |
| 12/01/2010 | CN101418416B Low welding crack sensitivity steel plate with yield strength of 800MPa grade and method for producing the same |
| 12/01/2010 | CN101418413B Niobium alloy cast iron brake disk material and technique for producing the same |
| 12/01/2010 | CN101397636B High toughness ring chain steel for mine and method for producing the same |
| 12/01/2010 | CN101397635B 12Cr2Mo1R thick steel plate for equipment contacting hydrogen and method for producing the same |
| 12/01/2010 | CN101381842B High chromium content ferrite stainless steel and manufacturing method thereof |
| 12/01/2010 | CN101363098B Austenite ductile iron with low nickle content and high manganses and chromium content and technology thereof |
| 12/01/2010 | CN101298646B Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/25/2010 | WO2010134886A1 High strength low alloyed sintered steel |
| 11/24/2010 | EP2253398A1 Wear-resistant material |
| 11/24/2010 | EP2252420A1 Method for producing a sintered, iron-based workpiece |
| 11/24/2010 | EP2066823B1 Metallurgical powder composition and method of production |
| 11/24/2010 | CN201644794U Sintering and tempering feed box for NdFeB material preparation processes |
| 11/24/2010 | CN101896625A Method for producing a steel melt containing up to 30% of manganese |
| 11/24/2010 | CN101893033A Bulb ferroalloy crankshaft |
| 11/24/2010 | CN101892439A Sulfuric acid dew point corrosion resistant steel |
| 11/24/2010 | CN101892436A Fe-Ni-Cr-Al system electrothermal alloy and manufacturing method and application thereof |
| 11/24/2010 | CN101892434A Ultra-high temperature electrothermal alloy and preparation method thereof |
| 11/24/2010 | CN101892431A Hot rolled weatherproof bridge steel with yield strength of 500 MPa level and manufacturing method thereof |
| 11/24/2010 | CN101892427A High manganese steel and manufacturing method |
| 11/24/2010 | CN101892425A Soft magnetic alloy powder, magnetic powder core and preparation methods of soft magnetic alloy powder, magnetic powder core |