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  2. Pickling (metal) - Wikipedia

    en.wikipedia.org/wiki/Pickling_(metal)

    Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, and rust or scale from ferrous metals, copper, precious metals and aluminium alloys. [1] A solution called pickle liquor , which usually contains acid , is used to remove the surface impurities.

  3. Eco pickled surface - Wikipedia

    en.wikipedia.org/wiki/Eco_Pickled_Surface

    Eco pickled surface (EPS) is a process applied to hot rolled sheet steel to remove all surface oxides and clean the steel surface.Steel which has undergone the EPS process acquires a high degree of resistance to subsequent development of surface oxide (rust), so long as it does not come into direct contact with moisture.

  4. Hydrogen embrittlement - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_embrittlement

    Hydrogen embrittles a variety of metals including steel, [19] [20] aluminium (at high temperatures only [21]), and titanium. [22] Austempered iron is also susceptible, though austempered steel (and possibly other austempered metals) displays increased resistance to hydrogen embrittlement. [23]

  5. Worthington Acquires Majority Stake in Samuel Steel Pickling

    www.aol.com/news/worthington-acquires-majority...

    Worthington's (WOR) buyout of a majority stake in JV, Samuel Steel Pickling, and subsequent integration of Heidtman Steel's Cleveland facility to the venture will likely enhance growth opportunities.

  6. Marcegaglia - Wikipedia

    en.wikipedia.org/wiki/Marcegaglia

    One example of the technology installed in the Marcegaglia Group's production plants is the stainless steel pickling plant and the five-year “Ravenna 2000” project, which resulted in the Ravenna plant becoming the second largest iron and steel centre in Italy, with over 4 million tonnes of semi-finished materials per year, thanks to its new ...

  7. Hot-dip galvanization - Wikipedia

    en.wikipedia.org/wiki/Hot-dip_galvanization

    The steel is pickled in an acidic solution to remove mill scale. The pickling solution is rinsed off. A flux, often zinc ammonium chloride is applied to the steel to inhibit oxidation of the cleaned surface upon exposure to air. The flux is allowed to dry on the steel and aids in the process of the liquid zinc wetting and adhering to the steel.