... .0-100mm 3.Thk: 0.2-5.0mm Material: Tantalum Tube, Tantalum Pipe Grade: RO5200, RO5252(Ta-2.5W), RO5255(Ta ... , sheets, wires, rods, bars, plates, seamless tubes, targets, crucibles capillary tube, welded tubing sputtering target etc. in conformity with ASTM. For ...