Wrought iron was used in the creation of antique fixtures because of its strength but also because it was relatively easy and soft for a blacksmith to work with as they hammered and shaped the metal. 

 

Tole is painted, enameled or lacquered tinplate. Tinplate is a thin sheet of steel coated with tin to keep the steel from rusting.  The tin coating also provides a metallic luster.  Tole pieces often bear decorative designs.