... for oil field1,Outer Diameter:73mm-630mm2,Thickness:5-30mm3,Application:For line pipe in petroleum ... )73mm-630mmWall Thickness(mm)5mm-30mmSurfaceBlack/brightBrand NamePetroleum, oil , gas, chemistry, electrical power, metallurgy,etcPackingBundles ... daysQualityHigh qualityProductivity1000MT/MonthMOQ5MTApplicationGenerally used in oil casing, conveying gas and oil,chemical industry,etc NoteThe quality ...