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Class Information
Number: 420/32
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 vanadium, titanium, niobium, or zirconium
Description: Process which includes a step of adding one or more of vanadium, titanium, niobium or zirconium to the alloy or metallic composition.

Patents under this class:

Patent Number Title Of Patent Date Issued
8012410 High silicon niobium casting alloy and process for producing the same Sep. 6, 2011
7824605 As-cast carbidic ductile iron Nov. 2, 2010
7354549 Cast iron member manufacturing method Apr. 8, 2008
7156929 Cast iron alloy Jan. 2, 2007
7081172 Nodular graphite cast iron with high strength and high toughness Jul. 25, 2006
6793707 Inoculation filter Sep. 21, 2004
5328502 Method for controlling and regulating the primary nucleation of iron melts Jul. 12, 1994
4891076 Gray cast iron having both increased wear resistance and toughness Jan. 2, 1990
4121925 Method of producing grey cast iron brake rotors with uniform friction and wear characteristics Oct. 24, 1978
3985546 Method of fluidizing acid cupola slag Oct. 12, 1976

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