straight seam steel pipe 1.OD:310-813mm 2.WT:6.5-630mm 3.Material:Q235/Q345 4.MOQ:10tons Straight seam steel pipe :1.OD:310-813mm2.W.T:6.5-30mm3.Standard:GB/T3091-2008,BS1387,ASTM A534.Material:Q195,Q235,Q215,Q345,20#,30#,45#5.Application:gas,oil,fluid,construction,structure.6.Packaging:standard seaworthy export package.7.Payment term:30%TT,70%TT or LC8.Delivery time: within 30 days after ...