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Class Information
Number: 420/39
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Cobalt containing > Molybdenum or tungsten containing > Copper containing
Description: Alloy or metallic composition which additionally contains copper.

Patents under this class:

Patent Number Title Of Patent Date Issued
7892366 Duplex stainless steel alloy and use thereof Feb. 22, 2011
7820098 High Cr ferritic heat resistance steel Oct. 26, 2010
6881280 Iron-based alloy for internal combustion engine valve seat inserts and the like Apr. 19, 2005
6760396 Coated metal articles and method of making Jul. 6, 2004
6592685 Transformation controlled nitride precipitation hardening heat treatable steel Jul. 15, 2003
6527877 Iron-based alloy containing bonded and free carbon and method of manufacturing the same Mar. 4, 2003
6485679 Heat resistant austenitic stainless steel Nov. 26, 2002
6479013 Casting components made from a tool steel Nov. 12, 2002
6426039 Ferritic stainless steel Jul. 30, 2002
6290904 Welding materials for high-Cr steels Sep. 18, 2001
6007767 High chromium heat resistant cast steel material Dec. 28, 1999
5575972 FE-CR alloy and nozzle for diesel engines Nov. 19, 1996
5340534 Corrosion resistant austenitic stainless steel with improved galling resistance Aug. 23, 1994
3990892 Wear resistant and heat resistant alloy steels Nov. 9, 1976

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