oil casing pipe 1.OD:114.3-508.4mm 2.WT: ... .standard:API J55, API K55, API N80, API L80, API ... oil casing pipeThickness1.24-100mmOuter diameter114.3-508.4mmApplicationOil,gas,water ... as the customers requirementCompanyTianjin Cheng Gang Xing Ye Steel Pipe Sales Co.,LTDContactContact person :Ms ClaireMobile:86-15022175682Fax: 86- 26621633Tel: 86 ...