Pre-galvanized Rectangular / Square Steel Pipe Thin Wall Bs1387

Pre-galvanized Rectangular / Square Steel Pipe Thin Wall Bs1387 Specifications galvanized steel pipe Square Pipe: 12*12-400*400mm Rectangular Pipe: 20*40-400*200mm Wall Thickness: 0.6-16 mm Q195-Q345 square and rectangular galvanized steel pipe 1. Specification: Square Pipe: 12*12-400*400mm Size Tolerence:+/-0.3mm Rectangular Pipe: 20*40-400*200mm Wall Thickness: 0.6-16 mm Length: 5.8-11.8m 2. Standard: BS, GB, ASTM, DIN EN 3. Material: Square and Rectangular Pipe: Q195, Q215