seamless oil pipe 1.OD:114.3- ... K55, API N80, API L80, API ... seamless oil pipeThickness1.24-100mmOuter diameter114.3-508.4mmApplicationOil,gas ... packing or as the customers' requirementCertificationISO , API, Mill Test CertificateMain marketUSA, Canada, Turkey,Europe,Asia.and ... the customers requirementCompanyTianjin Cheng Gang Xing Ye Steel Pipe Sales Co.,LTDContactContact person :Ms ClaireMobile:86- ...