Andirons; Angle irons of metal; Collapsible tubes of metal; Furniture casters of metal; Furniture fittings of metal; Gutter brackets of metal; Hinges of metal; Metal braces for handling loads; Metal brackets for use in the construction and assembly of decking; Metal pipe supports; Metal pipes; Metal pipes and metal fittings therefor; Metal pipes and tubes; Steel pipes and tubes; Steel plates and sheets