Galvanized Scaffolding Steel Tube 48.3mm 1.Material:Q195-Q345 ... .Zinc coated:300-400g/m2 Scaffolding Steel Pipe 1.Material:Q195-Q345 2.W.T: ... Special design according to your requirementTypeScaffolding steel tube/scaffolding tube/scaffold pipe48.3mm*4.0mmThickness1. ... ASTM, ASME, EN, DIN, GB, JISMaterialQ195, Q215, Q235, Q345ApplicationPetroleum, power, gas metallurgy, papermaking, chemical, medical ...