Galvanized steel pipe 1)Diameter: 20-273mm 2)Thickness: 0.9-14mm 3) Material: Q195, Q215, Q235, Q345 galvanized steel pipe1)Diameter: 20-273mm2)Thickness: 0.9-14mm3) Material: Q195, Q215, Q235, Q3454)Standard: ASTM-A53A, BS1387-85, JIS-G3444, GB/T3091-20015)Packing: in bundle,or as your respect galvanized steel pipe