... pipeThickness1.0-4.0mmOuter diameter42mm,48mmLengthMax 16metersZinc coated300g,350g,400g/square meterStandardBS, ASTM , ASME , EN , DIN ,GB, JISMaterialQ195 , Q215 ,Q235 , Q345ApplicationPetroleum ... contact cathy 0086-138-2198-3141 Scaffolding steel tube from factory price!!! 2