Tungsten Heavy Alloy
ASTM B 777 Class 1 Class 2 Class 3 Class 4 Tungsten Nominal % 90 92.5 95 97 Density (g/cc) 16.85-17.25 17.15-17.85 17.75-18.35 18.25-18.85 Hardeness (HRC) 32 33 34 35 Utimate Tensile Strength ksi 110 110 105 100 Mpa 758 758 724 689 Yield Strength at 0.2% off-set ksi 75 75 75 75 Mpa 517 517 517 517 Elongation (%) 5 5 3 2