Specification for Structural Duplex Stainless Steel Bridge Plate Materials
Published 23 April 2026
This publication is one of a unified set of specifications developed for duplex stainless steel plate girder bridges. Based on the framework of AASHTO M 270M/M 270 (ASTM A709/A709M), the specification establishes the material requirements for duplex stainless steel plates used in bridge construction.