WEDGE 623

Steel and metal pipes and tubing, including their parts and fittings therefor; metal pipe and tube joints; metal pipe collars; metal junctions for pipes; seamless metal line pipes; welded metal line pipe; metal mother pipes; petrochemical metal pipes; boiler metal pipes; metal exchanger pipes and metal tube exchanger pipes; metal drilling pipes; steel and metal pipes and vessels used for transporting oil and fuel in the nature of ridgid metal tubing; metal tubes used in autoparts and safety devices, excluding metal horseshoes for racing and running horses and excluding anchors