... , ring, wire, foil, sheet, rod, strip, plate, tube, alloys Niobium tube UNS Designation R05400 -- non-alloyed Tantalum,powder metallurgy,concretion ... screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys according to Standard ASTM AMS ASME MIL DMS JIS ... our customers around the world. Our customers are in aerospace industry, chemical equipment industry, medical industry and civilian industry ...