Tensile Strength 20,000 p.s.i. — 60,000 p.s.i.
(21,000 p.s.i.)
Elastic Modulus 10 - 23 x 106 p.s.i.
(Young’s modulus)
Hardness (Brinell) 150 - 250 BHN
Thermal Conductivity 0.110 - 0.137
calories/cm2/Sec/cm/ °C
Thermal Expansion 10 x 10-6 / °C
6 x 10-6 / °F
Density 0.25 - 0.28 lb./in3
6.95 - 7.35 gm/cm3
Specific Heat 0.13 BTU / lb / °F
0.13 cal / gm / °C