... , ladders and so on.2. materials1) Upright column:galvanised steel pipe with diameter of 114 mm, wall thickness of 2.2 ... diameter. Conforming to the European standards of EN11763) Iron part:galvanised steel pipe with diameter of 60 mm, 48mm, 38mm, 32mm, ... material: 1) static spray ,2)surface coated polyurethane7. galvanized pipe material, diameter 114mm , thickness2mm8. FLOW CHAT:8. More details: