Specifications: 1) Sizes (O.D. x T): 8 x 1mm to 114 x 10mm 2) Standards: GB/T8162 ASTM 3) Surface: oiled or black painted to prevent rust 4) Marking: as per customer\'\'s requirement Inner packing: Caps on two ends of every pipe Outer packing: In hexagonal shape bundles wrapped with strong steel trip 2MT/bundle