API 5CT Casing and Tubing 1.OD 60.32 - 508mm 2.WT: ... : R1, R2, R3 4.Gread: J55K55N80L80C90P110 API 5CT Casing and Tubing 1. On sale seamless API-5CT Casing pipe, Tubing pipe, Coupling, OCTG, ... pipe, Tubing pipe, OCTG, Oil pipe for oilfield: According to API SPEC 5CT.3. Steel grade: J55, K55, L80, N80, C95, P1104 ... , Coupling, OCTG, Oil pipe, feel free to contact with me. API 5CT Casing and Tubing P110