ERW (Electric Resistance Welded) Quality standard: BS1387, BS ... A53 (A, B), st37, st52, Q235, Q195, Q345 Outer Diameter: 6mm-610mm (1/16"-24") Wall Thickness: 0.3mm- ... both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped ... in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps. Test: Chemical Component Analysis, ...