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    • May

      11

      2017
    • 232
    Pickling And Passivation

    Pickling And Passivation

    Stainless steel can corrode in service if there is contamination of the surface. Pickling and passivation are two forms of chemical metal finishing that provide protective properties to the metal especially against rust. In other words, pickling and passivation are the names of the two processes where the metal is submerged in a bathing liquid

    • February

      23

      2017
    • 286
    Understanding the Pickle Line

    Understanding the Pickle Line

    Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, rust or scale from ferrous metals, copper, precious metals and aluminum alloys.  A solution called pickle liquor, which contains strong acids, is used to remove the surface impurities. It is commonly used to descale or clean steel in various steelmaking

    • October

      13

      2016
    • 1952
    Temper Pass or Skin Pass Rolling

    Temper Pass or Skin Pass Rolling

    Material can be reduced accurately while skin passing.  Hot rolled steel coming from a steel mill or pickle line may need to be reduced 1% to 2% in thickness.  This can be done on a coil-to-coil temper pass mill or in line on a cut-to length line.  Many automobile and truck blanks made from hot

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