... Pre-galvanized (80g-120/sqm) Technique: ERWSection Shape: roundDimensions: 1/2"-2"Length: 5.8m, 6m, 11.8m, 12m (or as ... SGS, BVApplication: Widely used in construction, bridge, highway, windows of model steel door, machinery, chemical industry, supermarket goods shelf and ... the standard, thickness and length, please indicate the material of the pipe and your specified requirement. Because it is ...