... , artillery,rockets, satellite,airplanes and ships. High purity Tungsten Bar Specification(%) Main Comp.W≥99.98Other Content≤Fe0.0026Al0.0006Si0.001Ca0.001Ni0.0009O0 ... .0001Sb0.001As0.001Cd0.0001Mg0.0006C0.002Bi0.0001Mo0.003--Some Pure Tungsten Bar PhotosIf you wonder more, pls contact me, I will reply ...