Patents Assigned to Youngstown Sheet and Tube Company
  • Recovery-annealed cold-reduced plain carbon steels and methods of producing
    Patent number: 3950190
    Abstract: A plain carbon, cold-reduced flat rolled steel product with yield strengths in an intermediate range and exhibiting good ductility, as well as a method of processing to attain said yield strength and good ductility characteristics without reliance upon the purposeful addition of precipitation strengthening agents.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: April 13, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventor: Peter B. Lake
  • Process for producing rimmed enameling steel
    Patent number: 3939013
    Abstract: A cold-rolled rimmed steel composition including vanadium and nitrogen, and process for producing the same with a preferred grain structure, which steel is particularly adapted for one-coat vitreous enameling.
    Type: Grant
    Filed: June 6, 1973
    Date of Patent: February 17, 1976
    Assignee: Youngstown Sheet and Tube Company
    Inventors: Larry E. Gardner, John J. Grenawalt, Adolph John Birkle