Patents Assigned to Sandusky Foundry & Machine Co.
  • Pitting resistant duplex stainless steel alloy
    Patent number: 4740254
    Abstract: A highly pitting resistant duplex stainless steel alloy is provided which comprises, in weight percentage, C: 0.10% and below; Si: 1.5% and below; Mn: 2.0% and below; Cr: 25.0% to 27.0%; Ni: 5.0% to 7.5%; Cu: 1.5% to 3.5%; N: 0.15% and below; Mo: 0.5% and below; and the remaining portion being substantially Fe to form the material of the highly pitting resistant duplex stainless steel alloy.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: April 26, 1988
    Assignee: Sandusky Foundry & Machine Co.
    Inventors: Charles W. Rainger, Allan P. Castillo, John C. Rogers