Patents Assigned to Kloster Speedsteel AB
  • Tool steel
    Patent number: 4780139
    Abstract: A vanadium-containing power tool steel is disclosed. The steel is compacted to full density at high temperature and presence and contains M.sub.6 C or M.sub.7 C.sub.3 carbides. The carbides have an effective maximal size of 4 to 15 microns.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: October 25, 1988
    Assignee: Kloster Speedsteel AB
    Inventors: Per I. Hellman, Henry L. Wisell