What are the Properties of structural steel (Reinforcement)? January 03, 2013 Basic Properties of steel Unit mass of steel = 7850 kg/m3 Modulus of elasticity = 2.0 x 10^5 N/mm2 Poisson ratio = 0.3 Modulusof rigidity G = 0.769 x 10^5 N/mm2 Co-efficient of thermal expansion = 12 x 10^-5 /degree celcius Read more