steel scaffolding pipe for construction 1.O.D.:20 - 720 mm ... 75 mm 3.Technique:ERW 4.Length:1-12m erw scaffolding steel pipes/tubes Standard:GB/T8162-1999,GB/T8163-1999 ... Can Be ProvidedSteel materialQ195, Q215, Q235, Q345(Chinese Standard, Other Material Can Also Be Provided)StandardBS,GB,ASTM, ASME, DINUsageUsed For ... Quality But Low Price.Wish You Contact Us. steel scaffolding pipe for construction