... High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion. 1. Grade: W1,W2,WAL, ... point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion..Tungsten wire is produced by ... of hardness, low mechanical abrasion and melting resistance, Tungsten rod/bar is widely applied to electrical contacts which can ...