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Class Information
Number: 420/20
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > 1.7 percent or more carbon containing > 2.7 percent or more carbon equivalent containing (i.e., cast iron) > Processes of adding magnesium > Flowing molten iron alloy onto solid magnesium containing agent, or adding solid magnesium containing agent to molten stream of iron alloy
Description: Process wherein a molten stream of iron alloy is poured onto a solid magnesium containing agent, e.g., in the bottom of a vessel, or wherein a solid magnesium containing agent is added to a molten stream of iron alloy, e.g., by continuously adding particles of agent to the molten stream.










Patents under this class:

Patent Number Title Of Patent Date Issued
8712750 Molten alloy solidification analyzing method and solidification analyzing program for performing the same Apr. 29, 2014
8557176 Method for influencing the properties of cast iron Oct. 15, 2013
5639420 Method of manufacturing compacted graphite cast iron Jun. 17, 1997
5178826 Method and apparatus for the production of nodular or compacted graphite iron castings Jan. 12, 1993
5167916 Method for spherodizing molten cast iron and ladle for use in the spherodizing Dec. 1, 1992
5098651 Magnesium treatment process and apparatus for carrying out this process Mar. 24, 1992
4889688 Process of producing nodular cast iron Dec. 26, 1989
4791033 Fuel cell system Dec. 13, 1988
4690385 Method for storing and maintaining the temperature of molten metal Sep. 1, 1987
4657588 Method of keeping inductor spouts, downgates and outlet channels free of deposits in connection with a cast iron melt Apr. 14, 1987
4652299 Process for treating metals and alloys for the purpose of refining them Mar. 24, 1987
4517019 Method for continuously treating molten metal May. 14, 1985
4509979 Method and apparatus for the treatment of iron with a reactant Apr. 9, 1985
4472197 Alloy and process for producing ductile and compacted graphite cast irons Sep. 18, 1984
4396427 Method of and tiltable ladle for the treatment of cast iron melt Aug. 2, 1983
4337816 Process for producing spherical graphite castings Jul. 6, 1982
4312668 Apparatus for the treatment of molten metal Jan. 26, 1982
4238231 Apparatus for treatment of molten metal Dec. 9, 1980
4230490 Process for producing cast iron Oct. 28, 1980
4210195 Method of treating cast iron using packaged granular molten metal treatment mold inserts Jul. 1, 1980
4199353 Molten metal treatment Apr. 22, 1980
4191563 Continuous stream treatment of ductile iron Mar. 4, 1980
4189315 Process for the desulphurization of molten cast iron and treating agent Feb. 19, 1980
4188210 Iron and/or steel treatment with magnesium and refractory coated composite shot Feb. 12, 1980
4134757 Method of treating molten metal Jan. 16, 1979
4111691 Crushable low reactivity nickel-base magnesium additive Sep. 5, 1978
4108637 Sheathed wire feeding of alloy and inoculant materials Aug. 22, 1978
4088477 Sheathless wire feeding of alloy and inoculant materials May. 9, 1978
4040821 Nodularizing catalyst for cast iron and method of making same Aug. 9, 1977
4034970 Method and device for nodularizing cast iron Jul. 12, 1977
4028099 Continuous stream - inclined trough treatment of ductile iron Jun. 7, 1977
3955974 Apparatus and method for treating a metal melt with a vaporizable substance May. 11, 1976











 
 
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