Patents
Sitemap › C21 - Metallurgy of iron › C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steel; Treatment in molten state of ferrous alloys › C21C 1 - Refining of pig-iron; Cast iron
Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137)
12/2010
12/22/2010CN101921889A Manufacture method of low-phosphorus molten iron
12/15/2010CN101914721A Method for preparing megawatt wind power high-strength high-toughness and low-temperature spheroidal iron casting
12/15/2010CN101914657A Improvement of molten iron pretreatment elbow spray gun structure and optimization of used refractory material
12/08/2010CN101463446B Low-alloy white cast iron
12/07/2010US7846381 Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing
12/07/2010US7846380 Metal powder production apparatus and metal powder
12/07/2010US7846379 Industrial furnace
12/01/2010CN101899547A Manufacturing method and pouring device of nodular cast iron
11/2010
11/24/2010EP2253724A1 Method for treating spheroidal graphite iron and pouring device thereof
11/24/2010CN201648431U Novel side charging iron chute with slag discharge tank
11/24/2010CN101892417A As-cast hypereutectic high chromium cast iron and preparation method thereof
11/24/2010CN101892415A Method for producing castings by utilizing waste scrap iron and waste steel
11/24/2010CN101892341A Ductile iron rare earth Mg-Si nodularizer
11/17/2010EP2251443A1 Treatment ladle
11/17/2010CN101469357B Reverse V-shaped granule magnesium molten iron desulfuring spray gun
11/11/2010WO2010128273A1 Treatment ladle
11/11/2010CA2760249A1 Treatment ladle
11/10/2010EP2248916A1 Process for removal of copper contained in steel scraps
11/03/2010CN201620172U Blast furnace mixer with novel iron outlet
11/03/2010CN201620171U Mixer furnace
11/03/2010CN201620170U Novel lateral hot-iron pouring tank
10/2010
10/27/2010CN101874121A Method and apparatus for treating high-temperature slag
10/27/2010CN101549364B Method of using hot tandem rolling broad strip mill to produce steel plate for ship hull structure use
10/26/2010US7819940 based on liquid pig iron and FeCr solids, invention proposes the use of the AOD (Argon Oxygen Decarburization) process in which oxygen and inert gas together are blown into bath through nozzles and top-blown onto surface of bath by blowing lance; minimizes chromium losses
10/21/2010WO2010119987A1 Powder transport method
10/21/2010WO2010119777A1 Molten metal treatment facility, molten metal treatment method, and molten metal transport line using same
10/19/2010US7815846 Agitator and melting furnace with agitator
10/13/2010CN201605288U 铁水脱硫用复合钝化颗粒镁 Hot metal desulphurization with granulated magnesium composite passivation
10/13/2010CN101603146B Automobile spoke steel and smelting process
10/13/2010CN101117651B Converting process for converter low-silicon molten iron
10/12/2010US7811510 Continuous carburizing furnace
10/07/2010US20100256037 Polypeptides Having Cellobiohydrolase I Activity and Polynucleotides Encoding Same
09/2010
09/22/2010CN201587957U Metal mixer furnace mouth
09/22/2010CN101654760B Unalloyed structural steel S355J2 steel plate and production method thereof
09/16/2010WO2010104204A1 Method of desulfurizing molten iron
09/08/2010EP2226397A1 Aluminium alloy
09/08/2010CN101586175B Low magnesium type molten iron/semisteel desulfurizing agent and preparation method thereof
09/08/2010CN101305105B Method of hot metal dephosphorization treatment
09/01/2010CN101818226A Charge composition of synthetic cast iron and method for preparing cylinder head castings
09/01/2010CN101570803B Phosphorous pig iron desulfurizer used for casting pre-roasting anode
08/2010
08/31/2010US7785853 Comprises heat resistant enzymatic polypeptide for bioremediation of plant biomass and pollution control; reuse
08/25/2010CN201560208U Novel mixer furnace
08/25/2010CN101812626A Vermiculizer for thin-wall cast iron and melting method thereof
08/25/2010CN101445888B Method for producing ductile cast iron by taking iron slag taken out by molten iron when pretreating slag skimming as material
08/19/2010WO2010091486A1 Method to obtain a high resistance gray iron alloy for combustion engines and general casts
08/18/2010CN101805813A Stirring head for molten iron desulphurization
08/18/2010CN101603111B Stirrer for desulphurization of molten iron
08/12/2010WO2010089114A1 Device for expanding working space
08/11/2010CN201545868U Novel baking device used for iron-adding groove of blast furnace mixer
08/11/2010CN201545867U Novel blast furnace mixer
08/11/2010CN201545866U Multi-nozzle spray gun for removing sulfur in molten iron
08/11/2010CN101250604B Alterant for producing high-strength cast-iron nutrient frying-disc by furnace cupola and method for manufacturing same
07/2010
07/29/2010WO2010084822A1 Process for manufacturing granular iron
07/29/2010CA2745763A1 Process for manufacturing granular iron
07/28/2010CN201534858U 一种改进的混铁炉 Improved Mixer
07/28/2010CN101210296B Low-chromium copper alloy gray cast iron and preparation method thereof
07/21/2010CN201529756U Mobile stream inoculation device
07/14/2010CN201525856U Metal mixer furnace
07/14/2010CN201525855U Side hot metal charging iron runner of metal mixer
07/14/2010CN201525854U Anti-slag-splashing protective structure of extreme cable
07/14/2010CN101778959A Flaky graphite cast iron, and method for production thereof
07/14/2010CN101775457A Yttrium rare earth magnesium composite nodulizer
07/14/2010CN101775452A Method for smelting ultra-low sulfur, silicon and titanium grey nodular cast iron by pig iron
07/14/2010CN101773990A Low-temperature fast-casting and riser-free casting process of wheel hub of megawatt wind generator
07/14/2010CN101773989A Process for producing ductile cast iron by short-flow melting and sodium silicate sand molding
07/14/2010CN101492753B Mechanical agitation desulfuration method for hot metal
07/01/2010WO2010074309A1 Method for reclaiming iron and phosphorus from steelmaking slag
06/2010
06/30/2010CN101760690A Subcontracting magnesium-injection spheroidizing process
06/24/2010WO2010049161A3 Robotized iron and steel plant
06/23/2010CN201514097U Carbon bed natural gas cupola
06/23/2010CN201512550U Tilting system for hot metal mixer
06/16/2010EP1957219B1 Method for adaptively controlling processes for the production of cast iron
06/16/2010CN201506802U Movable injection blowing device
06/08/2010CA2437224C Method for oxidizing treatment of steel plant slag to obtain cement-based materials
05/2010
05/26/2010CN101713009A Method for improving pass percent of medium plate flaw detection
05/19/2010CN101709348A Method for casting low-temperature casting-state Ni-free spheroidal graphite cast iron
05/19/2010CN101709347A Method for producing passive metal particle, metal powder or passive lime
05/12/2010EP2184372A1 Austenitic cast iron, process for manufacturing the same, austenitic cast iron castings, and exhaust system parts
05/12/2010CN201459176U Nodulized powder spray gun
05/12/2010CN201459175U Complete set of granulated magnesium injection melted iron desulfuration device
05/12/2010CN101705429A Wire rod of high-speed railroad no-slag sleeper slab steel wire and production method thereof
05/12/2010CN101705326A Repair method of mixer furnace
05/12/2010CN101704170A High-toughness gas shielded welding wire and preparation method and use method thereof
05/11/2010CA2348436C Sulfatisation process for metal extraction from sulfide ores
05/05/2010CN101701277A Method for smelting steel round blank of air cylinder by convertor process
05/05/2010CN101701276A Method for smelting steel round blank of pipeline with hydrogen sulfide corrosion resistance by convertor process
04/2010
04/28/2010CN101698925A Low-carbon phosphorus-added high-yield-strength cold rolled steel sheet and manufacturing method thereof
04/28/2010CN101698895A Low-cost preparation method for high-elongation ductile iron castings
04/14/2010CN101693934A Nodulant for alloying nodular cast iron
04/06/2010US7691178 Production of iron
03/2010
03/24/2010EP2166119A1 Flaky graphite cast iron, and method for production thereof
03/24/2010CN100595287C Metallurgical reactor for the production of cast iron
03/18/2010WO2010029564A1 Nodulizer for the production of spheroidal graphite iron
03/17/2010CN201424485Y Hot-metal groove for blast furnace mixer
03/17/2010CN201424484Y Vibrating casting platform of fireproof materials
03/17/2010CN101671755A Ductile cast iron smelting furnace external recarburization process
03/17/2010CN101671754A Method for smelting ductile cast iron
03/17/2010CN101671753A Method for preparing gray cast iron
03/17/2010CN100594242C Slag diluent for molten iron desulphurization slag
03/16/2010US7678176 for handling pellet, lump, and/or briquette charge materials for use in steelmaking industry
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