... .5-120mm Standard:ASTM Tungsten rods:Usage: Manufacture tungsten wire, frame of grid, elicit wire, bracket, mould rods in high temperature, ... eradiate cathode, electrodes, bracket of heating surface: black and polishedPurity:99.95%(min)Density:19 ... please let us know the diameter, length and surface of tungsten rod you need.We can manufacture according to your ...