Carbon Seamless Steel Pipes A106/A53 GRB, 20#Seamless Steel Pipe Standard: ASTM A106/A53 GRB, JIS, DIN, GB8163-1999, ASME B36.10M-1996.O.D.: 13.7mm-610mmApplication: pipe used for mechanical structure, hydraulic pressure, pneumatic linear actuatorMaterial: 10#, 20#, 35#, 45#, 16Mn, A106Gr.A,...