A53/A53M Standard Specification for Pipe, Steel, Black and …
ASTM A53/A53M-22. Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless ... Grade A is the preferred grade; however, this is not intended to prohibit the cold bending of Grade B pipe. 1.3.3 Type E is furnished either nonexpanded or cold expanded at the option of the manufacturer.