... Thickness(mm)SCH10-SCH80(0.5-140mm)SurfaceBlack/brightBrand NamePetroleum, oil , gas, chemistry, electrical power, metallurgy,etcPackingBundles,sea-worthy ... 25 after orderQualityHigh qualityProductivity1000MT/ WeekMOQ10MTApplication Generally used in oil casing, conveying gas and oil,chemical industry,etc NoteWe are Tianjin Hong ... to contact us for more pofessional information. seamless oil casing pipe