GI steel pipe Manufacture price Grade:Q195-Q235,Q345,20#,45# etc. ... in strip. Delivery time15-30 daysMOQ5 tonsStandard: BS1387-BS1385, BS1139,ASTM A53, SCH10-40, ASTM A500, API5L, API5CT, DIN2440 and EN10129 GI steel ... transmission pipelines, and also for projects.Tianjin Lange Steel Pipe Manufacturing Co., Ltd.Tel:86-22-59593382Fax:86-22-59516266 GI steel pipe