... paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.Test:Chemical Component Analysis, ... and SteamASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessDIN ... 2458 WELDED STEEL PIPES AND TUBESEN10217 Welded steel tubes ... , 10F, 10, HG5, DF08 SPHC, M8 hot rolled q345 steel pipe