... 6.5-630mm 3.Material:Q235/Q345 4.MOQ:10tons Straight seam steel pipe :1.OD:310-813mm2.W.T: ... 2008,BS1387,ASTM A534.Material:Q195,Q235,Q215,Q345,20#,30#,45#5.Application:gas,oil,fluid,construction,structure.6. ... export package.7.Payment term:30%TT,70%TT or LC8.Delivery time: within 30 days after received your deposit. ... time or visit our webside !tina wang Tianjin q235 straight seam steel pipe manufacture