TC128-Grade B steel plate is used in pressurized railroad tank cars, and has been normalized.
Weldability, Submerged Arc Welding, Normalizing, Stress Relieving. Abstract. Normalized AAR TC128-Grade B steel plate is used in pressurized railroad tank cars. This paper describes an alternative low-carbon steel plate product that conforms to ASTM A841- Grade F-Class 6 and has been produced via TMCP.