PIPES AND TUBES OF METAL; MOUNTINGS FOR PIPEWORK SYSTEMS, SUPPORTS AND HANGERS FOR PIPELINES AND VESSELS IN INDUSTRIAL PLANTS AND HANGERS AND HANGER PARTS, PIPE ATTACHMENTS AND PIPE SUPPORT ATTACHMENTS, NAMELY, WELD-ON EYE PLATES, WELD-ON LUGS, WELD-ON BRACKETS, CLEVISES, WELD-ON CLEVISES, TIE RODS, THREADED RODS, ROD COUPLINGS, TURNBUCKLES, THREADED STUDS, CONNECTING PLATES, CONSTANT SPRING HANGERS, CONSTANT SPRING SUPPORTS, VARIABLE SPRING HANGERS, VARIABLE SPRING SUPPORTS, STANCHIONS, PIPE...