1.EN 39 Galvanized scaffolding pipe 2.ERW steel pipe 3. OD:21.3-273mm 4: W.T:0.3- ... coated: 300g, 350g, 400g/square meter Length: Max: 16meter Sdandard: ASTM, BS, EN, GB, Material: Mild steel Delivery: Leadtime: 10-20days ... diameter42mm, 42.3mm, 48mm, 48.3mm, 48.6mm, 60mmLengthMax 12metersStandardBS, ASTM, ASME, EN, DIN, GB, JISMaterialQ195, Q215, Q235, Q345ApplicationPetroleum, power, gas ...