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Class Information
Number: 420/33
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 > Adding silicon
Description: Process which includes a step of adding silicon to the alloy or metallic composition.

Patents under this class:

Patent Number Title Of Patent Date Issued
8641962 Highly stiff and highly damping cast iron Feb. 4, 2014
8012410 High silicon niobium casting alloy and process for producing the same Sep. 6, 2011
7824605 As-cast carbidic ductile iron Nov. 2, 2010
7081172 Nodular graphite cast iron with high strength and high toughness Jul. 25, 2006
6800146 Magnetic circuit member Oct. 5, 2004
6793707 Inoculation filter Sep. 21, 2004
6760396 Coated metal articles and method of making Jul. 6, 2004
6533998 Process for producing nodular cast iron, and casting produced using this process Mar. 18, 2003
6508981 High temperature oxidation resistant ductile iron Jan. 21, 2003
6235075 Method and device for producing silicon-rich foundry iron May. 22, 2001
6102983 Cast iron inoculant and method for production of cast iron inoculant Aug. 15, 2000
5588982 Process for producing foudry iron Dec. 31, 1996
5328502 Method for controlling and regulating the primary nucleation of iron melts Jul. 12, 1994
5306329 Phosphorous deoxidation of metal Apr. 26, 1994
5284617 Process for dealuminizing molten cast iron Feb. 8, 1994
5240673 Process for dealuminizing molten cast iron Aug. 31, 1993
4642135 Process for treating cast iron melts with silicon carbide Feb. 10, 1987
4619696 Additive for metallurgical liquids, and method and device for the preparation thereof Oct. 28, 1986
4581068 Shaped body for feeding cupola furnaces Apr. 8, 1986
4401469 Manufacturing cast iron with pre-reduced iron ore pellets Aug. 30, 1983
4398946 Method of homogenizing cast iron melts and compacts for the carrying out thereof Aug. 16, 1983
4294610 Foundry coke Oct. 13, 1981
4231798 Alloy carrier for charging cupola furnaces Nov. 4, 1980
4171219 Use of silicon carbide as an addition to cupola furnaces Oct. 16, 1979
4108637 Sheathed wire feeding of alloy and inoculant materials Aug. 22, 1978
4072511 Method of producing silicon containing cast iron Feb. 7, 1978
4022615 Agglomerates of silicon and silicon base alloy particles May. 10, 1977
4017310 Method for making strontium additions to ferrosilicon Apr. 12, 1977

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