Material Properties AISI 4027 Steel Normalized admin May 20, 2016 Material Properties for AISI 4027 Steel Normalized Physical specifications of materials. Materials AISI 4027 Steel Description Normalized Density g/cc 7.85 lb/in^3 0.284 Hardness Brinell unless specified 179 Tensile Strength ultimate Mpa 640 Ksi 92.8 Yield Strength MPa 420 Ksi 60.9 Modulus of Elasticity Gpa 205 10^6 Psi 29.71014488 Poisson’s Ratio 0.29 %Elongation at break 25.8 %Reduction of area 60.2 Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 44.5 Btu/ft-h-F 25.722543349 Specific Heat Cpacity J/g-K 0.475 Btu/lb-F 0.114 Coefficient of thermal expansion 1E-6/K 1E-6/F Electrical Resistivity Ohm-cm 0.0000245