For sale is a Lot of 24, 1117 Steel Rounds 12 ft, 2.37" OD. We weighed them at 4,500 lbs, which may not be exact, but is close. Shipping by freight truck. Properties of 1117 Steel. C1117 is a low-carbon, high manganese steel with high mechanical properties and high machinability. 1117 is best suited for machined parts that must subsequently be case carburized. In addition to good surface hardness, the carburized part retains a ductile core. 1117 is ideal for use in the manufacture of parts subject to shock or vibrating stresses.