... titanium tube, zirconium tubes, and book-walled pipe, seamless steel tubes, welded gas and oil pipelines, nonferrous metals, ferrous metals and some non-metallic pipes, rods, plates and ... for titanium tubes, zirconium tubes, and book-walled pipe, seamless steel tubes, welded gas and oil pipelines, nonferrous metals, ferrous metals and some non-metallic pipes, rods, plates and ...