Material Properties AISI 8630 Steel Annealed admin May 20, 2016 Material Properties for AISI 8630 Steel Annealed Physical specifications of materials. Materials AISI 8630 Steel Description Annealed Density g/cc 7.85 lb/in^3 0.284 Hardness Brinell unless specified 156 Tensile Strength ultimate Mpa 565 Ksi 81.925 Yield Strength MPa 370 Ksi 53.65 Modulus of Elasticity Gpa 205 10^6 Psi 29.71014488 Poisson’s Ratio 0.29 %Elongation at break 29 %Reduction of area 53 Izod Impact J 95 Ft-lb 70.091 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