Standard Method of Test for Comparative Qualitative Corrosion Characterization of Uncoated Chromium-Alloyed Steel Bar Used for Concrete Reinforcement (Tombstone Test) standard by American Association of State and Highway Transportation Officials, 2017
AASHTO T 374M/T 374-17, the tombstone test, provides a procedure for evaluating and comparing therelative corrosion resistance of different types of steel reinforcement. This test is designed forassessing the corrosion resistance of uncoated chromium-alloyed reinforcing steel bars ascompared to carbon steel bars or other selected reference bars if indicated by the purchaser.
