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Class Information
Number: 420/28
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) > Over .1 percent aluminum containing
Description: Alloy or metallic composition which additionally contains more than 0.1 percent of aluminum.

Patents under this class:

Patent Number Title Of Patent Date Issued
8641962 Highly stiff and highly damping cast iron Feb. 4, 2014
8454764 Ni-25 heat-resistant nodular graphite cast iron for use in exhaust systems Jun. 4, 2013
8309178 Corrosion resistant coating for steel Nov. 13, 2012
6508981 High temperature oxidation resistant ductile iron Jan. 21, 2003
6444055 Composite material with a high proportion of intermetallic phases, preferably for friction bodies Sep. 3, 2002
6033792 Soft magnetic thin film, and magnetic head and magnetic recording device using the same Mar. 7, 2000
5873955 Soft magnetic thin film, and magnetic head and magnetic recording device using the same Feb. 23, 1999
5858548 Soft magnetic thin film, and magnetic head and magnetic recording device using the same Jan. 12, 1999
5777828 Magnetic alloy and magnetic head having at least a part made of the magnetic alloy Jul. 7, 1998
5503475 Method for determining the carbon equivalent, carbon content and silicon content of molten cast iron Apr. 2, 1996
5478416 Magnetic alloy Dec. 26, 1995
5236660 Heat-resistant vermicular or spheroidal graphite cast iron Aug. 17, 1993
5209796 Method of making a burned pattern May. 11, 1993
4517018 Cast iron alloy and method for producing same May. 14, 1985
4501612 Compacted graphite cast irons in the iron-carbon-aluminum system Feb. 26, 1985

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