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  1. C

    Polishing metal

    what about good ol' stainless, perhaps one of the better grades. The trim onmy 57 Chev has a lot of stainless, been good for years Stay Hep Greg
  2. C

    Broken Steel

    When a metal is plastically deformed it absorbs energy. (the area inder the stress strain curve is a measure of this). This energy is dissipated as heat and as new surface energy when the metal breaks. A brittle cast iron (that is little plastic deformation) will not get as warm Stay Hep Greg