galvanized steel pipe a. Outer Diameter: 1/2" to 8"(21.3mm to 219.1mm)b. Wall Thickness: 0.03" to 0.322"(0.8mm to 8.18mm)c.
Standard: BS 1387-1985, ASTM A53, GB/T 3091d. Steel Grade: Q195, Q215 ,Q235, Q345
Both side with thread