Material Properties AISI 1020 Steel Hot Rolled admin May 20, 2016 Material Properties for AISI 1020 Steel Hot Rolled Physical specifications of materials. Materials AISI 1020 Steel Description Hot Rolled Density g/cc 7.87 lb/in^3 0.284 Hardness Brinell unless specified 111 Tensile Strength ultimate Mpa 380 Ksi 55.1 Yield Strength MPa 205 Ksi 29.725 Modulus of Elasticity Gpa 10^6 Psi Poisson’s Ratio 0.29 %Elongation at break 25 %Reduction of area 50 Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 51.9 Btu/ft-h-F 29.9999999958 Specific Heat Cpacity J/g-K 0.486 Btu/lb-F 0.11664 Coefficient of thermal expansion 1E-6/K 1E-6/F Electrical Resistivity Ohm-cm 0.0000159