Metal HOME Metal Tubes Ceramic Metal Other Materials Metal Materials Plate & Sheet Bars & Rods Crucible Wires Electrodes Rods Tubes Metal Materials Plate & Sheet Bars & Rods Crucible Wires Electrodes Rods Tubes Product Awards Tubes and Their Capillary Tubes · Tantalum, Niobium, Nikel and Their Alloys Tantalum, Niobum, Nickel Tubes and Their Alloys Designation: Ta1, Ta2, Nb1, Nb2, N4, N6 Dimensions: D1.0~60x0.18~3.0 W.TxL mm