Material Properties Hayness 25 Cold Rolled And Annealed admin May 20, 2016 Material Properties for Hayness 25 Cold Rolled And Annealed Physical specifications of materials. Materials Hayness 25 Description Cold Rolled And Annealed Density g/cc 9.13 lb/in^3 0.33 Hardness Brinell unless specified Tensile Strength ultimate Mpa 1005 Ksi 145.725 Yield Strength MPa 475 Ksi 68.875 Modulus of Elasticity Gpa 225 10^6 Psi 32.6086956 Poisson’s Ratio 0.24 %Elongation at break 51 %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