... oil casing pipe 2.Mainly export to Southeast Asia,Africa,Mid East,Eastern Asia,North America etc. 3.Standard : GB ,API ... SCH10-SCH80(0.5-140mm)SurfaceBlack/brightBrand NamePetroleum, oil , gas, chemistry, electrical power, metallurgy, ... / WeekMOQ10MTApplication Generally used in oil casing, conveying gas and oil,chemical industry,etc NoteWe are ... for more pofessional information. API 5L oil casing pipe