A53 Seamless & Welded (ERW) Steel Pipe | ASTM A53 …
2 and larger. +1%. -1%. Lengths of A53 steel pipe U. S. Steel Tubular Products A53 seamless and welded steel pipe is produced in random lengths 16' – 22' or 32' – 44', in multiple lengths, and in specific cut lengths. Marking Requirements Rolled, die-stamped, ink-printed, or stenciled (manufacturer's option).