Galvanized steel pipe material: Q195,Q235,Q345,20#,45# etc. OD: 10-275MM ... -2001, ASTM A53, ASTM A106 EN10216,EN10219Manufacture Technique high frequency welded Packagingin bundles or in loose or seaworthy packing at sellers ... MTSupply Ability10,000Ton/MonthContactName: Dan LvMobile :86-13920276850 Tianjin Lange steel pipe manufacturing CO,. LTD.Tel:86-22-59516111Fax:86-22-59516266Update ...