... -60±0.1<650±1±0.5%Application Be used for drawing tungsten wires, electrodes, heaters in high temperature vacuum ... used to found ingredient of material, cutter and heads, tungsten wire for lights instruments and conductor of heat, crankshaft and cylinder barrel ... , ingredient of kinds of heat-resistant steel. We supply tungsten wire, tungsten bar, tungsten plate, tungsten sheet, tungsten rod, tungsten ...