Material Properties Stainless Steel 17-7 PH Precipitation Hardened admin May 20, 2016 Material Properties for Stainless Steel 17-7 PH Precipitation Hardened Physical specifications of materials. Materials Stainless Steel 17-7 PH Description Precipitation Hardened Density g/cc 7.8 lb/in^3 0.282 Hardness Brinell unless specified 433 Tensile Strength ultimate Mpa 1650 Ksi 239.25 Yield Strength MPa 1590 Ksi 230.55 Modulus of Elasticity Gpa 204 10^6 Psi 29.565217344 Poisson’s Ratio 0.27 %Elongation at break 1 %Reduction of area Izod Impact J 115 Ft-lb 84.847 Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 16.4 Btu/ft-h-F 9.4797687848 Specific Heat Cpacity J/g-K 0.46 Btu/lb-F 0.1104 Coefficient of thermal expansion 1E-6/K 11 1E-6/F 6.120300747 Electrical Resistivity Ohm-cm 0.000083