Patents Assigned to Granges Metallverken AB
  • Corrosion resisting copper alloy
    Patent number: 4531980
    Abstract: A corrosion resisting copper alloy, especially suitable for use in fabricating heat exchangers, comprises 25 to 38% by weight zinc, 0.005 to 0.04% by weight phosphorus, the remainder of the alloy being copper, the alloy having a recrystallized grain size within the range of 2.mu. to 10.mu..
    Type: Grant
    Filed: October 27, 1983
    Date of Patent: July 30, 1985
    Assignee: Granges Metallverken AB
    Inventors: Tatsuo Miura, Kazuhiro Ohta, Yoshiharu Hasegawa, Takao Yoneyama