... such as Pipe Piling, Fabrication, Utility & Oil, Sign Poles, Offshore Drilling and Production, Road Casing, Road Boring, ... in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.Test:Chemical Component Analysis, Mechanical ... Zinc-Coated, Welded and SeamlessDIN 2458 WELDED STEEL PIPES AND TUBESEN10217 Welded steel tubes for pressure purposes. Technical delivery ...