Material Properties AISI 8630 Steel Water Quenched admin May 20, 2016 Material Properties for AISI 8630 Steel Water Quenched Physical specifications of materials. Materials AISI 8630 Steel Description Water Quenched Density g/cc 7.85 lb/in^3 0.284 Hardness Brinell unless specified 293 Tensile Strength ultimate Mpa 1015 Ksi 147.175 Yield Strength MPa 910 Ksi 131.95 Modulus of Elasticity Gpa 205 10^6 Psi 29.71014488 Poisson’s Ratio 0.29 %Elongation at break 16.2 %Reduction of area 54 Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 46.6 Btu/ft-h-F 26.9364161812 Specific Heat Cpacity J/g-K 0.475 Btu/lb-F 0.114 Coefficient of thermal expansion 1E-6/K 12.2 1E-6/F 6.7879699194 Electrical Resistivity Ohm-cm 0.0000234