Material Properties American Redwood Wood admin May 20, 2016January 17, 2017 Material Properties for American Redwood Wood Physical specifications of materials. Materials American Redwood Wood Description Density g/cc 0.4 lb/in^3 0.0145 Hardness Brinell unless specified 2.1 (Wood Indentation) Tensile Strength ultimate Mpa 2 Ksi 0.29 Yield Strength MPa Ksi Modulus of Elasticity Gpa 9.24 10^6 Psi 1.33913043264 Poisson’s Ratio 0.36 %Elongation at break %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K Btu/ft-h-F Specific Heat Cpacity J/g-K Btu/lb-F Coefficient of thermal expansion 1E-6/K 1E-6/F Electrical Resistivity Ohm-cm