| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 06/19/1997 | DE19546235A1 Entschwefelungsmittel zur Koinjektions-Behandlung von Roheisenschmelzen Desulfurization for coinjection treatment of pig iron melts |
| 06/18/1997 | EP0779368A1 Process for desulphurization of hot metal |
| 06/17/1997 | US5639420 Method of manufacturing compacted graphite cast iron |
| 06/11/1997 | EP0633817B1 The determination of the carbon equivalent in structure modified cast iron |
| 06/05/1997 | DE19544961A1 Improving molten cast iron@ nucleation and alloying processes |
| 05/28/1997 | CN1150837A Process for melting metal charge in rotary kiln, and rotary kiln for implementing such process |
| 05/28/1997 | CN1150604A Control method of oxygen concentration for vertical quick melting furnace |
| 05/27/1997 | US5632937 Method of installing a refractory lining |
| 05/22/1997 | WO1997018337A1 Method for producing pre-treated molten metal castings |
| 05/07/1997 | EP0553188B1 A method for the production of compacted graphite cast iron |
| 05/07/1997 | EP0553165B1 Method for the production of ductile cast iron |
| 04/23/1997 | EP0769125A1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
| 04/22/1997 | CA2062697C Method and apparatus for manufacturing and repairing molten metal containment vessels |
| 04/16/1997 | CN1034590C Production of steel-smelting metal raw materials by use of pig iron solid decarbonization method |
| 04/02/1997 | CN1146491A Thermal-insulating method for melten iron in hot-metal mixer and apparatus |
| 02/18/1997 | US5603373 Process for treating molten metal during a casting operation using a filter and filter for implementing the process |
| 01/29/1997 | EP0755736A1 Improvements in metallurgical conversion |
| 01/08/1997 | CN1139889A Improvments in metallurgical conversion |
| 12/31/1996 | US5588982 Process for producing foudry iron |
| 12/27/1996 | EP0750168A1 Method of installing a refractory lining |
| 12/25/1996 | CN1033664C Determination of the carbon equivalent in structure modified cast iron |
| 12/12/1996 | WO1996039544A1 Cast iron indefinite chill roll produced by the addition of niobium |
| 12/05/1996 | WO1996038595A1 On-line production control of cast irons by measuring the surface tension of the base treated iron |
| 12/04/1996 | EP0745143A1 Agent for treating pig or cast iron melts for desulphurisation purposes |
| 11/27/1996 | CN1136828A Process control of compacted graphite cast iron production in pouring furnaces |
| 11/26/1996 | US5577545 Determination of the carbon equivalent in structure-modified cast iron |
| 11/20/1996 | CN2240530Y Rotary arm positioning mechanism of inner liner disintegrate machine for metal-mixing trolley |
| 11/13/1996 | CN1033277C Solidified molten pig iron melting method for mixer car |
| 11/07/1996 | WO1996034988A1 Process for producing foundry iron |
| 10/23/1996 | EP0738333A1 Process control of compacted graphite iron production in pouring furnaces |
| 10/09/1996 | CN1132797A Waste iron filings smelting process for direct prodn of ductile iron casting |
| 10/02/1996 | CN2236497Y Floss barrier of iron material mixing apparatus |
| 09/19/1996 | WO1996028572A1 Apparatus and process for transporting molten metal |
| 09/04/1996 | CN1130212A Technology for dephospyhorizing and forced desulfurating in cupola |
| 09/03/1996 | CA1338567C Method of recycling steel belted tires |
| 08/27/1996 | US5549732 Immersing molten metal droplets in fluidized bed of particles; freezing |
| 08/15/1996 | WO1996024451A1 A method of manufacturing cast products which are cast in a single-piece having controlled variations of compacted graphite iron and grey cast iron |
| 08/15/1996 | CA2211804A1 A method of manufacturing cast products which are cast in a single-piece having controlled variations of compacted graphite iron and grey cast iron |
| 08/14/1996 | EP0726327A1 Sole for brake shoes and process for manufacturing the same |
| 08/14/1996 | CN1032549C Additive for iron-base material |
| 08/13/1996 | US5544867 Apparatus and process for transporting molten metal |
| 07/31/1996 | EP0724018A1 Agent for desulphurisation of hot iron melts |
| 07/31/1996 | CN1128050A Steel manufacturing method using converter |
| 07/24/1996 | CN1127303A Method for improving pretreating effect of melten iron in iron mixing trolley |
| 07/24/1996 | CN1127302A Turning and bearing rolling ring for ladle of iron mixing trolley |
| 07/24/1996 | CN1127176A Melten iron mixing trolley |
| 07/17/1996 | CN1126961A Microstructurally refined multiphase castings |
| 07/11/1996 | WO1996021046A1 Method and equipment for treatment in molten cast iron baths with reaction materials having a low or high production of gas |
| 07/10/1996 | EP0561805B1 Method and device for the late addition of a particulate alloy during casting of liquid metal |
| 07/02/1996 | US5531805 Mixing with sewage sludge carbon material; pelletization, chemical reduction, and carburization |
| 06/19/1996 | EP0548182B1 Metal-melting furnaces |
| 06/13/1996 | WO1996017963A1 Agent for treating pig or cast iron melts for desulphurisation purposes |
| 06/05/1996 | EP0714989A1 Steel manufacturing method using converter |
| 05/21/1996 | CA2005769C Handling molten materials |
| 05/09/1996 | WO1996013351A1 Production of granules of reactive metals, for example magnesium and magnesium alloy |
| 04/30/1996 | US5511762 Consumable form with degradable lining |
| 04/09/1996 | US5505893 Method for manufacturing and repairing molten metal containment vessels |
| 04/02/1996 | CA1338198C Method of desulfurizing molten metal in a plasma fired cupola |
| 03/27/1996 | EP0703297A1 Container for plunging pure magnesium into a treating ladle and use of said container |
| 03/20/1996 | EP0701494A1 Microstructurally refined multiphase castings |
| 03/14/1996 | WO1996007760A1 Smelting ferrous materials |
| 03/06/1996 | CN1118018A Method for smelting high-quality cast iron by using filings of steel and iron |
| 03/06/1996 | CN1031207C Technology for directly pouring cast while smelting iron using waste iron scurf |
| 02/07/1996 | EP0695811A1 High heat-resisting iron-base alloy |
| 01/10/1996 | EP0691410A1 Additive for treating molten metal, in particular for treating molten iron or steel |
| 01/10/1996 | EP0531418B1 A method of manufacturing compacted graphite cast iron |
| 01/09/1996 | US5482248 Mold for manufacturing metal containment vessels |
| 12/27/1995 | CN1113958A Thermal treating technology for cold bending roller |
| 12/21/1995 | WO1995034791A1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
| 12/21/1995 | CA2192953A1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
| 12/20/1995 | CN1030532C Process for metallurgy of iron and steel with aluminum cinder |
| 12/19/1995 | CA2011785C Passivation of pyrophoric metals |
| 12/14/1995 | WO1995033859A1 Desulphurizing agent for crude-iron and casting-iron melts, and method of producing it |
| 11/14/1995 | US5466275 Method and apparatus for desulphurizing iron with minimal slag formation |
| 10/19/1995 | WO1995027801A1 Vaporisation bell for metallurgical treatment in molten baths |
| 10/17/1995 | US5458671 Suppression of fume in metal pouring |
| 10/11/1995 | CN1029943C Method for avoiding generation of flue gas in metallurgical process and during transportation of melted metal from metallurgical vessel to pouring vessel |
| 10/04/1995 | EP0437618B1 Method of dephosphorizing chromium-containing hot metal with lowered oxidation loss of chromium |
| 10/03/1995 | CA1337148C Production process of spheroidal graphite cast irons |
| 09/14/1995 | WO1995024508A1 Cast iron inoculant and method for production of cast iron inoculant |
| 09/08/1995 | WO1995023660A1 Improvements in metallurgical conversion |
| 09/08/1995 | CA2183262A1 Improvements in metallurgical conversion |
| 07/25/1995 | US5435527 Apparatus for the late introduction of particulate alloy when casting a liquid metal |
| 07/13/1995 | WO1995018869A1 Process control of compacted graphite iron production in pouring furnaces |
| 07/13/1995 | CA2177597A1 Process control of compacted graphite iron production in pouring furnaces |
| 05/24/1995 | CN1028545C infinite chill hardening V-Ti nodular graplite cast iron roller and casting process thereof |
| 05/23/1995 | US5417772 Method for producing a magnetic steel strip by direct casting |
| 05/18/1995 | DE4338985A1 Device for smelting ferrous material in hearth-type blast furnaces |
| 05/18/1995 | DE4331159C1 Utilisation of waste products in the mfr. of additives for metal casting industries |
| 05/17/1995 | EP0653495A1 Process for graphitizing cast iron |
| 05/17/1995 | EP0517770B1 A method for controlling and regulating the primary nucleation of iron melts |
| 04/27/1995 | WO1995011318A1 Process for obtaining cast iron |
| 04/26/1995 | CN1101947A Method for recovering Fe-and V-slag from molten Fe containing V |
| 04/05/1995 | CN1028116C Strong graphitizer |
| 03/22/1995 | CN2192627Y Flexible gas supply device for blast furnace mixer |
| 03/22/1995 | CN1100471A Solidified molten pig iron melting method for mixer car |
| 03/01/1995 | CN1099419A External treatment process of iron melting furnace |
| 02/23/1995 | DE4328164A1 Process for producing pig iron in a coke-fired shaft furnace |
| 02/07/1995 | US5387275 Process for extracting zinc present in liquid cast iron, means for the implementation of the process, and products thus obtained |
| 02/01/1995 | EP0506901B1 Device for rendering inert casting vessels for transporting molten metals |