... ,10#,20#,A106,A53 competitive price Specificationsscaffolding steel tube Thickness:1.0-4.0mm Length:6m,5.8m. Material:Q195,Q235 ... diameter42mm,48mmLengthMax 16metersZinc coated300g,350g,400g/square meterStandardBS, ASTM , ASME , EN , DIN ,GB, JISMaterialQ195 , Q215 ,Q235 , Q345ApplicationPetroleum, power,gas metallurgy, papermaking ... 0086-138-2198-3141 Scaffolding steel tube from factory price!!! 1