... Verious specifications and shapes boat,electrode,crucibles, funnels, barrel,special shape. Tungsten bars/rodsDimension: Φ(2.0-100)*L(mm)Main applications ... electrode and electric Vacuum parts, et 1. Tungsten bars Grade: W-1 W-42. Tungsten bars Appearance: Silver gray metallic luster.3 ... . Density is not less than 17.0g/cm35. Tungsten Rods Main applications: W-1 is used for making the ...