Cold Rolled Steel Bar Tolerances

C1018 cold finished flat aka crs flat or cold roll flat bar is a steel product with closer dimensional accuracy tolerances and smoother surface finish than hot rolled bar c1018 cold finish flat is a general purpose low carbon steel with good case hardening qualities and is especially suited for cold forming and bending.

Cold rolled steel bar tolerances. Out of section is the difference between the maximum and minimum diameter or across flats measured at the same cross section. Width governs the tolerances both width and thickness for rectangle bars. Maximum of carbon range 0 28 or less. 0 004 alloy steel.

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. This is 2 per side on re rolled round bar taken from minimum permissible diameter. 0 006 0 006 0 009 over 7 16 to 5 8 incl. 0 007 0 007 0 010 over 5 8 to 7 8 incl.

Tolerances hot rolled carbon and alloy bars size tolerances rounds and squares sec. It is used for parts requiring cold forming such as crimping swaging or bending. O page 2 specified size size tolerance inches out of round inches over under or square in. Hot rolled steel is used in situations where precise shapes and tolerances are not required.

Cold finished carbon steel bar tolerances all tolerances in inches to the minus. 1018 cold roll bars conforms to astm a29 a108. 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. Cold rolled steel is essentially hot rolled steel that has had further processing.

1018 has a wide variety of applications. More finished surfaces with closer tolerances. If the bar is 1 5 thick x 3 5 wide the width tolerance of 0 006 will be the tolerance for the thickness as well which is 0 006. Bars are true and square with well defined edges and corners.

Maximum of carbon range over 0 28 to 0 55 inclusive. Stress relieved after cold finishing maximum of. Up to 1 5 incl. Tolerances may be specified all plus or all minus but are generally accepted to be all plus.

Cold finished carbon steel bar tolerances adminchi1 2019 06 10t14 43 10 05 00.