Metal pipes and metal pipe fittings including horizontal upset forgings, mechanical press forgings, hydraulic press extrusions, and alloy and carbon steel nuclear grade pipe and pipe fittings; engineered metal products for use in the oil, gas and chemical industries; namely, hinged closures, T-bolt closures, yoke closures, swivel ring flanges, expander flanges, insulated joints, lap joint stub ends, baffle plates, elbows, crosses, anchor forgings, flued heads, flexible steel and closures for pressure testing of piping assemblies, in-line pipe assembly component in the nature of a removable, metal frame, non-magnifying sight glass window for viewing of chemical, mechanical or thermal process operations.
