1.API 5L PSL2 steel pipe oil pipeline . 2.OD:610mm-2820mm,WT:5mm-25mm,Length:6m- ... 18m. 3.API&ISO certification. 1.API 5L PSL2 Oil steel pipeline . 2.OD:610mm-2820mm,WT:5mm-25mm,Length ... prevent rust.4)Usage:For conveying gas,water,and oil in both the oil and natrual gas industries5)Sour service:Acc to ... SS330, SS440, SS490, SPHD, SPHE API 5L PSL2 steel pipe oil pipeline .