Cold Rolled Steel Round Bar Tolerances

With one of the largest size and length capabilities in the industry we produce sizes from 0 158 4mm through 16 round and lengths up to 75.

Cold rolled steel round bar tolerances.

15 5 17 4 303 304 316 321 416 cold finish. Standard tolerances for cold rolled steel bar stock usually choosing material thickness is one of the first steps a designer takes when starting a project. Precision shafting ground to a tolerance finer than a human hair 888 278 4682. 1018 cold rolled steel round bars have a smooth dark grey oiled surface and accurate dimensions throughout.

Below is a chart for reference on hot rolled bar tolerances. Specified sizes rounds or squares over under out of round or square machining allowance minimum stock removal to 5 16 included 0 005 0 005 0 008 0 016. 1018 cold rolled steel round bars are an excellent candidate for most processing techniques. Steel bars 1 2 cold finished carbon bars cold finished bars are produced from special bar quality hot rolled bars by cold drawing turning or grinding or by a combination of these methods.

The cross sectional area of the hot rolled bar is cold reduced resulting in accurate size smooth surface increased mechanical properties and machinability. We work with nominal thicknesses so it s important to know the thickness tolerance on the material you chose in order to know if the final product will be suitable for your application. 0 008 0 008 0 012 over 7 8 to 1 incl. The cold reduction of the bar results in significantly improved mechanical properties with a smooth surface finish to close tolerances.

Width governs the tolerances both width and thickness for rectangle bars. 0 0625 to 0 3125 excl 0 001. 1018 is a low carbon steel with good case hardening qualities. The cold working of the bar likewise improves machinability usually rated at 76.

1018 cold roll bars have a higher tensile and yield strength compared to hot rolled bars. Cold finished carbon steel bar tolerances all tolerances in inches to the minus. Sizeinches maximum of carbon range0 28 or less maximum ofcarbon rangeover 0 28 to0. Most cold finished bars are produced by cold drawing oversize hot rolled bars through a die.