Straightening Tungsten bar 1.Grade W-1 W-2 W-3 W-4 2.Purity 99.95% 3. ... ingredient of material, cutter and heads, tungsten wire for lights instruments and conductor of heat, ... of kinds of heat-resistant steel. We supply tungsten wire, tungsten bar, tungsten plate, tungsten sheet, tungsten ... copper alloy, tungsten heavy alloy.Please contact with our sales department for more details. Straightening Tungsten ...