... :BS1387/1985,ASTM A53/A36,EN39/EN10219,API 5L 6)Certificate:ISO9001-2008,EN10210,API,Raw material cert,Mill cert,Reap on ... ±1%Length1-12M , according to customers' requirementsCertificate ISO9001-2008,EN10210,API,Raw material cert,Mill cert,Reap on site inspection report ... quantity of order:20MT4)Delivery period :15 to 30 Days High Quality Galvanized steel pipe/tube