| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 06/01/2011 | CN102084010A Treatment ladle |
| 06/01/2011 | CN101649421B Manufacturing method of niobium microalloyed steel continuous casting thick plate blank |
| 06/01/2011 | CN101613837B Manufacturing method of titanium micro-alloyed steel continuous casting heavy slab |
| 06/01/2011 | CN101608285B Interstitial free (IF) hot rolled strip and manufacturing method thereof |
| 05/31/2011 | US7951325 Methods of implementing a water-cooling system into a burner panel and related apparatuses |
| 05/25/2011 | CN102071276A Method for reducing silicon content of molten iron |
| 05/25/2011 | CN101643828B Production method of anti-aging tinning black plate |
| 05/25/2011 | CN101541980B Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 05/25/2011 | CN101358261B Masonry method of mixer |
| 05/24/2011 | US7947217 Metallurgical processing installation |
| 05/18/2011 | EP2322671A1 Prediction system for the graphitization index in specific areas of vermicular graphitic cast iron pieces |
| 05/18/2011 | CN1965093B Heat exchanger system |
| 05/18/2011 | CN101550475B Method for producing ultra-low-carbon steel |
| 05/18/2011 | CN101466850B Method of cooling slag generated during preliminary treatment of molten iron |
| 05/17/2011 | CA2563035C Heat exchanger system used in steel making |
| 05/11/2011 | CN1665942B Metallurgical treatment method on a metal bath |
| 05/11/2011 | CN102051432A Method for controlling ductile iron casting ferrite |
| 05/11/2011 | CN102049485A Method for composite centrifugal casting high-chromium steel roller |
| 05/11/2011 | CN101389774B Blowing lance for refining, blowing lance apparatus for refining, method of desiliconizing of molten iron, and method of pretreatment of molten iron |
| 05/11/2011 | CN101323014B Method for processing alloy chilled nodular cast iron cylinder rod |
| 05/05/2011 | WO2011051792A1 System for predicting the percentage of graphitization in specific areas of pieces of vermicular graphite cast iron |
| 05/04/2011 | CN102041427A Grey cast iron production process |
| 05/04/2011 | CN102041353A Desulfurizer, preparation method thereof and desulfurization method adopting desulfurizer |
| 05/04/2011 | CN102041342A Method for preparing cast high-strength high-toughness nodular cast iron |
| 05/04/2011 | CN102041341A Components and preparation process of spheroidizing agent |
| 04/28/2011 | WO2011049240A1 Top lance for refining and method for refining molten iron using same |
| 04/27/2011 | CN201809373U Side iron mixing groove of iron mixing furnace |
| 04/27/2011 | CN102031447A Boron-containing high carbon steel wire rod for manufacturing wires and production method thereof |
| 04/27/2011 | CN102031336A Particle magnesium desulfurizer/particle magnesium alloy desulfurizer based on magnesium, magnesium alloy and waste materials thereof and preparation method |
| 04/27/2011 | CN102031327A Chill casting additive |
| 04/27/2011 | CN102029305A Production method of ultra-thick steel plate |
| 04/27/2011 | CN101705326B Repair method of mixer furnace |
| 04/27/2011 | CN101660021B Method for desulfurizing ultra-low carbon pure steel in circulating vacuum degassing method |
| 04/27/2011 | CN101649423B Niobium micro-alloying gap-free hot rolled strip and manufacture method thereof |
| 04/27/2011 | CN101603144B Manufacturing method of 700 MPa level high-strength cold rolling carbon-aluminum-manganese steel plate |
| 04/27/2011 | CN101514379B Hot metal ladle car on-line molten iron desulphurization pretreatment system |
| 04/26/2011 | CA2422253C Refining agent and refining method |
| 04/20/2011 | CN201801537U Single blow grain magnesium desulfurizing device for molten iron |
| 04/20/2011 | CN102021494A Weather resistant thick steel plate and manufacturing method thereof |
| 04/20/2011 | CN102021493A Hot rolled steel plate for precision stamping and manufacturing method thereof |
| 04/20/2011 | CN102021467A Nodular cast iron nodulizer |
| 04/20/2011 | CN102019392A Process for smelting and continuously casting boron-containing high carbon steel for wire production |
| 04/20/2011 | CN101775452B Method for smelting ultra-low sulfur, silicon and titanium grey nodular cast iron by pig iron |
| 04/20/2011 | CN101698895B Low-cost preparation method for high-elongation ductile iron castings |
| 04/20/2011 | CN101555536B Production technique for smelting low-manganese pig iron |
| 04/13/2011 | CN201793611U Durable spray gun for hot metal pretreatment |
| 04/13/2011 | CN102016081A Slag foaming killing material, and slag foaming killing method |
| 04/13/2011 | CN101643813B Method for producing high-strength automotive brake hub and casting thereof |
| 04/06/2011 | CN102002625A Compound nodulizer for ductile cast iron |
| 04/06/2011 | CN102002548A Nodularizer for nodular iron with thick section |
| 04/06/2011 | CN102000797A Method for producing nodular cast iron pipe fittings with vanadium-bearing titanomagnetite as raw material |
| 04/06/2011 | CN101649368B Method for integrally pouring mixer furnace |
| 04/06/2011 | CN101643806B Method for producing molten iron with high-phosphorus and low-iron refractory iron ore |
| 04/06/2011 | CN101519708B Production method of spheroidal graphite cast iron with high tenacity and corrosion resistance |
| 03/31/2011 | US20110074073 Method of producing cast iron |
| 03/30/2011 | CN101994053A Nodular cast iron ultrafine particle nodularizer |
| 03/30/2011 | CN101993974A Method for preparing pure iron with extremely low gas content |
| 03/30/2011 | CN101993973A Method for producing high-purity pure iron |
| 03/30/2011 | CN101643820B Fluid active lime powder with low surface energy and production method thereof |
| 03/23/2011 | EP2298868A2 Polypeptides having cellobiohydrolase I activity and polynucleotides encoding same |
| 03/23/2011 | CN101988171A Jet continuous spheroidizing process |
| 03/23/2011 | CN101987350A Gray cast-iron sintered inoculant |
| 03/23/2011 | CN101643821B Active lime powder surface modifier and production method thereof |
| 03/16/2011 | EP2295544A2 Polypeptides having cellobiohydrolase I activity and polynucleotides encoding same |
| 03/16/2011 | CN201762360U Splashproof hot metal charging trolley of blast furnace mixer |
| 03/16/2011 | CN201762359U Fire stop door of iron mixing furnace |
| 03/09/2011 | CN101984086A Method for reducing titanium content in molten nodular cast iron |
| 03/09/2011 | CN101984085A Air-cooling desulfurization spray gun |
| 03/09/2011 | CN101984084A Stirring head for desulphurizing liquid iron |
| 03/09/2011 | CN101984083A Long-life molten iron desulfurization stirring head |
| 03/09/2011 | CN101984082A Air-cooled single-blow desulphurization spray gun |
| 03/09/2011 | CN101984081A Desulfurization spray gun |
| 03/09/2011 | CN101983854A Vibration forming machine of desulfurization spray gun |
| 03/09/2011 | CN101983853A Vibration forming machine of desulfurization stirring head |
| 03/09/2011 | CN101983803A Environment-friendly granular magnesium passivation system |
| 03/08/2011 | US7901482 Removal method of nitrogen in molten steel |
| 02/16/2011 | CN201746568U Metal mixer headwall nozzle maintenance device |
| 02/10/2011 | WO2011015005A1 Method for casting planet carrier made of ductile cast-iron |
| 02/10/2011 | US20110030507 Process and apparatus for producing liquid pig iron or liquid primary steel products |
| 02/09/2011 | CN101643887B Super-thick high-level boat plate steel and production process thereof |
| 02/02/2011 | CN101509084B Method for producing nodulizing agent |
| 01/26/2011 | EP2277997A2 Polypeptides having cellobiohydrolase I activity and polynucleotides encoding same |
| 01/26/2011 | CN101960023A Process for removal of copper contained in steel scraps |
| 01/26/2011 | CN101956122A Smelting process for manufacturing gray cast iron |
| 01/26/2011 | CN101956039A Pipe die powder for centrifugally casting nodular cast iron pipe and preparation process thereof |
| 01/26/2011 | CN101565792B Method for smelting boron steel |
| 01/19/2011 | CN101949311A Turbocharger shell and preparation method thereof |
| 01/13/2011 | DE102006024414B4 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 01/06/2011 | WO2011002094A1 Method of desulfurization of molten iron |
| 01/05/2011 | CN101649367B Technology for mixed blowing and desulfuration of iron mixing vehicle |
| 01/05/2011 | CN101643811B Method for producing low-phosphorous molten iron by high-phosphorous reduced iron |
| 12/29/2010 | EP2265734A2 Molten aluminum refining and gas dispersion system |
| 12/29/2010 | CN101928885A Hydrothion corrosion resistant pipe steel and production method thereof |
| 12/29/2010 | CN101928802A Slag conglomeration method for nodulizing ladle |
| 12/29/2010 | CN101928801A Blowing slag-removing equipment for molten iron pretreatment |
| 12/29/2010 | CN101693934B Nodulant for alloying nodular cast iron |
| 12/29/2010 | CN101643888B Low welding crack sensitivity steel with tensile strength at 700MPa level and production 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 | CN101921945A Liquid iron inoculation process for ductile iron pipes |