... 4mm Standard length: 6mtr let's talk more details Scaffolding steel pipeDue to their strength, scaffolding tubes are frequently used where ... in the construction or repair of buildings and other large structures.Standard: BS 1139, EN 39, JIS G 3444,GB15831, ... in waterproof paper or PVC sleeve, and sackcloth with several steel strips Usage: Material Storage Racks, Pallets, Hydraulic Platforms, Trusses, ...