Patents Assigned to Electicite de France (Service National)
  • Structural parts of austenitic nickel-chromium-iron alloy
    Patent number: 4877465
    Abstract: A structural part for use in high temperature aqueous medium consists of an austenitic nickel-chromium-iron alloy containing by wt. 5 to 10% of iron, 18 to 20% of chromium and more than 60% of nickel. All components of the alloy, but chromium, may be in the standard ranges of well-known and proven alloys, typically 600 and X750 alloy.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: October 31, 1989
    Assignee: Electicite de France (Service National)
    Inventors: Jean R. Donati, Daniele Guttmann, Yves Rouillon, Pierre S. Paul, Guy Zacharie