1.Material:ASTM A106/A53/A179 2.Size:1/2", ... steel pipe: Q195, Q215, Q235, Q345, X52, X60 STK500, or per the buyers demand.2) Standards: BS1387, ASTM ... X52,X605.8m,6m,5m to 12m randomERW Steel pipe1" to 28"SCH20,30,40,60 ... A53GR.B5.8m,6m,5m to 12m randomSpiral steel pipe8" to 36"SCH20,30,40,60 ... ,6m,5m to 12m randomRemarksPacking:Painting and pipe caps,hexagon bundle with waterproof packingProduct Quality: ...