Method for producing bright stainless steel

  • US 5,830,291 A
  • Filed: 10/08/1996
  • Issued: 11/03/1998
  • Est. Priority Date: 04/19/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for producing bright stainless steel comprising:

  • a) forming a hot mill band having a dull oxide free surface;

    b) cold reducing the hot mill band to form a full hard coil having a shiny surface;

    c) subjecting said full hard coil to a continuous anneal at a temperature of 1500°

    -1950°

    F. in an oxygen containing atmosphere sufficient to form a protective FeCr2 O3 scale;

    d) subjecting said annealed coil to a mild non-etching pickling process to remove the scale; and

    e) rolling said annealed coil on a temper mill having specially finished rolls configured to impart a surface pattern that replicates an abrasively polished surface.

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