OD48.3mm BS1139 Galvanized Scaffolding Pipe Steel Tube Product Name OD48.3mm BS1139 Galvanized Scaffolding Pipe Steel Tube Size OD 20~406mm(1/2inch~16inch) in theory Thickness 1.2~15.7mm Length Any Length Below 16 Meter Standard GB/T3091-2008 ASTM A53 BS1387 BS EN39 ASTM A500 BS ...