Cobalt-base alloy

  • Inventors:
  • Assignees: Hitachi Metals Ltd
  • Publication Date: December 04, 1974
  • Publication Number: GB-1376479-A


1376479 Co base alloy; coating steel cylinders HITACHI METALS Ltd 22 Nov 1972 [26 Nov 1971] 54064/72 Headings C7A and C7F A wear - and corrosion-resistant cobalt base alloy comprises:- B 2À5-4% Cr 5-10% Mn 0À2-2% Si 0À2-2% Fe up to 1% and Ni up to 2% the balance being cobalt. The alloy may be used to line the cylinders of moulders for plastics materials, pumps and compressors. In examples the alloy is powdered, the powder inserted in a steel cylinder capped with iron plates, which is heated to 1200 C and then put in a centrifuge where it is rotated to provide a 2mm. thick lining.




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