Material Properties Hayness 25 Hot Rolled And Annealed admin May 20, 2016January 17, 2017 Material Properties for Hayness 25 Hot Rolled And Annealed Physical specifications of materials. Materials Hayness 25 Description Hot Rolled And Annealed Density g/cc 9.13 lb/in^3 0.33 Hardness Brinell unless specified Tensile Strength ultimate Mpa 1015 Ksi 147.175 Yield Strength MPa 505 Ksi 73.225 Modulus of Elasticity Gpa 225 10^6 Psi 32.6086956 Poisson’s Ratio 0.24 %Elongation at break 60 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 9.4 Btu/ft-h-F 5.4335260108 Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K 12.3 1E-6/F 6.8436090171 Electrical Resistivity Ohm-cm 0.0000886