Patents Assigned to Sandusky Foundry & Machine Company
  • Pitting resistant duplex stainless steel alloy
    Patent number: 4612069
    Abstract: A high pitting resistant duplex stainless steel alloy is provided which comprises, in weight percentage, C: 0.08% and below; Si: 2.0% and below; Mn: 2.0% and below; Cr: 23.0% to 29.0%; Ni: 5.0% to 9.0%; Cu: 0.5% to 3.5%; N: 0.2% and below; Mo: 1.0% and below; P: 0.1% and below; S: 0.1% and below and the remaining portion being substantially Fe to form the material of the high pitting resistant duplex stainless steel alloy.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: September 16, 1986
    Assignee: Sandusky Foundry & Machine Company
    Inventors: Charles W. Rainger, Allan P. Castillo, John C. Rogers