Patents Assigned to Chavanne - Ketin
  • Hoops for continuous casting rolls
    Patent number: 4802528
    Abstract: The invention relates to hoops for rollers for the continuous casting of aluminium, characterized in that they are in the form of forged cylindrical casings which have undergone heat treatment and machining and consist of an alloy steel having the following composition in percentages by weight: C: 0.30 to 0.36; Mn: 0.30 to 0.60; Si: 0.15 to 0.45; Ni: Less than 0.40; Cr: 2.80 to 3.40; Mo: 0.85 to 1.25; V: 0.10 to 0.30; S:.ltoreq.0.020; P:.ltoreq.0.020; Cu:.ltoreq.0.30, the remainder being substantially iron and residual impurities.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: February 7, 1989
    Assignee: Chavanne - Ketin
    Inventors: Joseph J. Terrasse, Andre Boucher, Michel Seux