ironwork

from WordNet (r) 3.0 (2006)

ironwork
    n 1: work made of iron (gratings or rails or railings etc); "the
         houses had much ornamental ironwork"

from The Collaborative International Dictionary of English v.0.48

Ironwork \I"ron*work`\, n.
   Anything made of iron; -- a general name of such parts or
   pieces of a building, vessel, carriage, etc., as consist of
   iron.
   [1913 Webster]