... wire,lead-in wire,printer pin,various electrodes. Tungsten rod(tungsten bar,tugnsten electrode) is for the application of emission cathode, high-temperature forming ... 1600mmApplications: 1) For making cathodes, high temperature setting rods, electrodes2) Leads, supports and typing needles3) Electrode of WTh20, WCe20, Pure tungsten for TIG welding Tungsten Rod, tungsten bar,Tungsten Electrode