Material Properties AISI 1020 Steel Cold Rolled admin May 20, 2016 Material Properties for AISI 1020 Steel Cold Rolled Physical specifications of materials. Materials AISI 1020 Steel Description Cold Rolled Density g/cc 7.87 lb/in^3 0.284 Hardness Brinell unless specified 121 Tensile Strength ultimate Mpa 420 Ksi 60.9 Yield Strength MPa 350 Ksi 50.75 Modulus of Elasticity Gpa 205 10^6 Psi 29.71014488 Poisson’s Ratio 0.29 %Elongation at break 15 %Reduction of area 40 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 11.7 1E-6/F 6.5097744309 Electrical Resistivity Ohm-cm 0.0000159