This specification covers carbon and high-strength low-alloy steel structural shapes, plates, and bars and quenched-and-tempered alloy steel for structural plates intended for use in bridges. Nine grades are available in four yield strength levels.
AASHTO M 270M/M 270-10
Original price was: $50.00.$25.00Current price is: $25.00.
Standard Specification for Structural Steel for Bridges (ASTM Designation: A 709/A 709M-09a)
American Association of State Highway and Transportation Officials , 2010