Physical and mechanical properties of tungstenMelting point °C 3410Density g/cm3 19.32Thermal conductivity W/(m·K) 166.2Coefficient of linear expansion 10-6/℃ 4.6Modulus of elasticity MPa 35316Hardness HBS 290~350Tensile strength MPa 981~1472Elongation% 35Tungsten is a refractory metal. It has the c