Specifications:1) Sizes (O.D. x T): 8 x 1mm to 114 x 10mm2) Standards: GB/T8163, ASTM A53, ASTM A106, API5L3) Surface: oiled or black painted to prevent rust4) Marking: as per customer's requirementsInner packing:Caps on two ends of every pipeOuter packing:In hexagonal shape bundles wrapped with strong steel trip2MT/bundle producing area:China payment:30% T/T deposit, L/C supplying capacity:2,500MT/month