... *600mm 3) L:2~11.8m 4) Material:Q195,Q weight of gi square pipe 1.size:10*10mm-600*600mm2.thickness ... ,ASTM A53, ASTM A106, EN10219MaterialQ195,Q215,Q235,Q345, 20#, A53 A/B, A106 B/C, St37, St52Outer diameter10*10~600*600mmWall ... ,making, tread , or as customers’ requestsProcessing technologyThreading ,coupling and with plastic caps protectedPackageBe packed in bundles, in loose or seaworthy packing ...