Cold-formed 1018 round bars are ideal for most machining techniques and feature a smooth dark grey oiled surface with accurate dimensions. 1018 is a mild steel with good case hardening properties, especially for cold forming and bending. 1045 Steel Round Bar, a medium-carbon engineering alloy, delivers exceptional strength, wear resistance, and machinability for demanding industrial applications. 50% carbon content, it achieves high tensile strength (โ570 MPa) and excellent shock absorption, ideal for axles, gears. Steel round bars are a versatile material used in a wide variety of industries, including construction, manufacturing, automotive, and aerospace.