| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 11/19/2013 | US8586360 Method of producing erythrocytes without feeder cells |
| 11/14/2013 | WO2013169175A1 Selective oxidation |
| 11/14/2013 | WO2013012039A9 Method for smelting molten pig iron |
| 11/13/2013 | CN103390098A Desulfurization computing method and system applying same |
| 11/13/2013 | CN103388100A Method for controlling carbon equivalent of base iron and application of method |
| 11/13/2013 | CN103388040A Sulphur fixing agent for molten iron desulphurization and application method thereof |
| 11/06/2013 | CN102618781B Hot-rolled H-steel for low temperature-resistance structure and preparation method for hot-rolled H-steel |
| 11/06/2013 | CN102586547B Production method for low-cost clean steel |
| 11/06/2013 | CN102586516B Method for preparing slag conglomeration agent for iron steel |
| 10/30/2013 | CN203256293U Molten iron pretreatment device |
| 10/30/2013 | CN203253885U Funnel type nucleating agent feeding device |
| 10/30/2013 | CN102367503B Method for controlling contents of phosphorus, sulfur and hydrogen in molten steel |
| 10/24/2013 | DE102012016045B3 Verfahren zum Betrieb einer Aufblaslanzenanordnung, sowie Aufblaslanzenanordnung selbst Method for operating a Aufblaslanzenanordnung, and even Aufblaslanzenanordnung |
| 10/23/2013 | CN103370426A Method for desiliconizing and dephosphorizing hot metal |
| 10/23/2013 | CN103361538A Cylinder sleeve alloy cast iron medium-frequency induction furnace melting method and centrifugal casting method |
| 10/23/2013 | CN103361537A Production method of nodular cast iron |
| 10/23/2013 | CN103361459A Stirring connection device and stirring system for KR molten iron desulphurization method |
| 10/16/2013 | CN103352161A Ductile iron casting and casting process thereof |
| 10/16/2013 | CN103352098A Desulfuration spray gun |
| 10/15/2013 | US8557176 Method for influencing the properties of cast iron |
| 10/09/2013 | CN103343178A High-strength cast iron short-flow quick self-purification smelting technology |
| 10/08/2013 | US8551905 Metal-carbon compositions |
| 10/03/2013 | WO2013145686A1 Method for refining hot metal in converter |
| 10/02/2013 | CN103334047A Spheroidizing ladle cover provided with drainage device |
| 10/02/2013 | CN103331439A Turnover type balling ladle cover |
| 09/25/2013 | CN103328658A Method and nozzle for suppressing the generation of iron-containing vapor |
| 09/25/2013 | CN103320699A Rare earth-containing wet H2S corrosion resistance gas cylinder seamless steel pipe and production method thereof |
| 09/25/2013 | CN103320675A 300 DEG C-350 DEG C high-temperature resistant alloy material and casting method of 300 DEG C-350 DEG C high-temperature compressor pressure-containing member |
| 09/25/2013 | CN103320574A Molten iron dephosphorizing method |
| 09/24/2013 | US8541336 Metal-carbon compositions |
| 09/24/2013 | US8541335 Metal-carbon compositions |
| 09/19/2013 | US20130239751 Method for producing nodular cast iron |
| 09/18/2013 | CN203200288U Following-type automatic dust removal device for shaking ladle desulphurization |
| 09/18/2013 | CN103305651A Smelting process of alloy nodular cast iron roll |
| 09/18/2013 | CN103305639A Efficient recycling process of hot slag |
| 09/18/2013 | CN102888485B Modificator for changing growth morphology of primary austenite of gray cast irons, preparation method and application thereof |
| 09/18/2013 | CN102191350B Method for preparing cast tube molten iron |
| 09/12/2013 | WO2013132790A1 Hot metal ladle conveyance device and method for conveying hot metal ladle |
| 09/11/2013 | CN102690986B Smelting method for medium-thin wall cast-state nickel-free low-temperature ductile cast iron |
| 09/11/2013 | CN102534352B Production method of spheroidal graphite cast iron for hydraulic parts and prepared spheroidal graphite cast iron |
| 09/06/2013 | WO2013127869A1 A method of improving slag skimming performance in a hot metal desulphurisation process |
| 09/04/2013 | CN203174131U Spray hole arrangement structure of desulfuration spray gun |
| 09/04/2013 | CN203174130U Slagging-off plate for pretreatment of hot metal |
| 09/04/2013 | CN103276135A Hot metal desulfurization method |
| 09/04/2013 | CN102787199B Vermicularizing agent partner |
| 09/04/2013 | CN102029305B Production method of ultra-thick steel plate |
| 08/28/2013 | CN203159663U Electromagnetic induction desulphurization hot metal ladle |
| 08/21/2013 | CN103255334A Camshaft specialized inoculant |
| 08/21/2013 | CN103255256A Method for building reusable iron mixing furnace top |
| 08/15/2013 | WO2013057262A3 Desulfurization agent containing bitumen, method for the production thereof, and use thereof |
| 08/14/2013 | CN102443681B Granulated magnesium molten iron desulphurization spray gun |
| 08/14/2013 | CN101595382B Method for influencing properties of cast iron |
| 08/13/2013 | US8507238 Polypeptides having cellobiohydrolase 1 activity and polynucleotides encoding same |
| 08/07/2013 | CN203112852U Online slag iron separating device |
| 08/07/2013 | CN203109215U Spheroidizing bag device with cover |
| 08/01/2013 | US20130195712 Method for removing impurities in molten cast iron, and cast iron raw material |
| 07/31/2013 | DE202013006152U1 Ruhrstahl-Heraeus-Anlage Ruhrstahl-Heraeus-conditioning |
| 07/31/2013 | CN203096107U Blowing desulfurization spray gun for torpedo ladle |
| 07/31/2013 | CN101993974B Method for preparing pure iron with extremely low gas content |
| 07/25/2013 | WO2013108810A1 Method for preliminary treatment of molten iron |
| 07/24/2013 | CN203080000U Torsion spring type spring roller |
| 07/24/2013 | CN103215405A Method for dephosphorization treatment on molten iron by using stainless steel self-produced dedusting ash ball |
| 07/24/2013 | CN103215404A Molten iron pretreatment apparatus and method thereof |
| 07/17/2013 | CN203065557U Nodulizing ladle cover |
| 07/17/2013 | CN103205522A Method for smelting plain carbon steel from semi-steel |
| 07/17/2013 | CN103205521A Application method of slag conglomeration agent for desulphurization pre-treatment of molten iron |
| 07/17/2013 | CN102094099B Ferronickel refining system |
| 07/10/2013 | CN203048978U Desulphurization spray gun for refining molten iron |
| 07/10/2013 | CN203048974U Air-cooled cyclonic magnesium agent desulphurization spray gun |
| 07/10/2013 | CN203048973U Granulated magnesium molten iron desulphurization spray gun |
| 07/10/2013 | CN103194664A High-strength high-toughness winch nodular cast iron winding drum and casting method thereof |
| 07/10/2013 | CN103194562A Nodulizing agent for nodular cast iron and preparation method of nodulizing agent |
| 07/10/2013 | CN103194561A Device for directly adding sintering returned dust into ladle |
| 07/10/2013 | CN102168218B Low-silicon nodularizer and preparation method of the low-silicon nodularizer |
| 07/04/2013 | DE102011116501B4 Bitumen enthaltendes Entschwefelungsmittel Bitumen containing desulfurization |
| 07/03/2013 | CN203034042U Knotted reactor (KR) stirring paddle |
| 07/03/2013 | CN203034029U Recycling system for steelmaking desulfuration slag |
| 07/03/2013 | CN102418036B 15MnNiDR low alloy steel plate for low temperature pressure vessel and production method thereof |
| 06/27/2013 | WO2013094652A1 Process for producing spheroidal-graphite cast iron, and spheroidal-graphite cast iron member obtained from said spheroidal-graphite cast iron |
| 06/27/2013 | WO2013094634A1 Converter steelmaking method |
| 06/26/2013 | CN203021593U Cantilever-type stirring desulphurization device with lifting rotation |
| 06/26/2013 | CN103173589A Blow-boiling-type slag gathering device |
| 06/26/2013 | CN103172393A Pouring production method of converter molten iron desulphurization stirring paddle |
| 06/26/2013 | CN102505084B High-strength aluminum alloy added with TaC and preparation method for high-strength aluminum alloy |
| 06/26/2013 | CN102443675B Production method of low-sulfur steel |
| 06/19/2013 | CN203003088U Cover plate for preventing under-nodularizing of nodular cast iron |
| 06/19/2013 | CN103160752A High strength seamless steel pipe with excellent low temperature toughness and manufacturing method thereof |
| 06/19/2013 | CN103160728A High-yield-strength S890QL structural steel medium plate and production method thereof |
| 06/19/2013 | CN103160727A Low-temperature high-tenacity nodular cast iron bearing block and manufacturing method thereof |
| 06/19/2013 | CN103160632A Quasi-crystal alloy nodulizer for nodular cast iron and preparation method thereof |
| 06/19/2013 | CN103160631A Operation method for molten iron silicon reduction |
| 06/19/2013 | CN102230049B Molten iron desulfurizing agent, preparation method thereof and desulfurization method using molten iron desulfurizing agent |
| 06/19/2013 | CN102144038B Method for desulfurizing molten pig iron |
| 06/12/2013 | CN103146990A High-silicon-molybdenum-chromium spheroidal graphite cast iron material for automobile turbine housings and preparation method thereof |
| 06/12/2013 | CN103146988A Highly thermal-fatigue resistant alloy and spheroidal graphite cast iron glass mold material and preparation method thereof |
| 06/12/2013 | CN103146987A Processing method for improving mechanical property of casting |
| 06/12/2013 | CN103146986A Spheroidal graphite cast iron low-silicon spheroidizing agent and application thereof |
| 06/12/2013 | CN103146985A Inoculant for ferritic nodular cast iron and preparation method of inoculant |
| 06/12/2013 | CN103146984A High-intensity gray pig iron inoculator and preparation method thereof |
| 06/12/2013 | CN103146981A Method for smelting ferritic stainless steel by dephosphorized molten iron |