... tungsten electrode bar purity 99.95% Density:19.35g/cm3 Standard:ASTM B760 GB4187-84 size Dia)0.5~100mm or asrequested tungsten electrode bar tungsten ... process: sintering , forging ,rolling and machining6.application: tungsten products are mainly used in high-temperature furnace, aerospace, ... , ingredient of kinds of heat-resistent steel and electrode, mainly used to guns, artillery,rockets, satellite, ...