name:OIL PIPE APIJ55 grade:J55,N80,L80,P110,H40 WT(wall thickness):3.18~16mm OD:1.660~4.5inch standard: API SPC 5CT ame:OIL PIPE APIJ55grade:J55,N80,L80,P110,H40WT(wall thickness):3.18~16mmOD:1.660~4.5inchstandard: API SPC 5CT, ISO11960delivery time: within 45 dayspayment: T/T or L/C, T/T is preferable.TPCO is the biggest manufacture in chaina, we can provide the prime product.