AASHTO M 169-09

1. SCOPE

1.1. This specification covers cold-finished carbon and alloy steel bars produced in straight length andcoil to chemical compositions. Cold-finished bars are suitable for heat treatment, for machininginto components, or for use in the as-finished condition as shafting, or in constructionalapplications, or for other similar purposes (Note 1). Grades of steel are identified by gradenumbers or by chemical composition.
Note 1--A guide for the selection of steel bars is contained in ASTM A 400.

1.2. Some end uses may require one or more of the available designations shown under SupplementaryRequirements. Supplementary requirements shall apply only when specified individually by thepurchaser.

1.3. The values stated in SI units are to be regarded as the standard. The values given in parenthesesare for information only.

This product replaces:AASHTO M 169-06 - Standard Specification for Steel Bars, Carbon, and Alloy, Cold-Finished