API 5CT J55 Casing and Tubing 1.OD 60.32 - 508mm 2.WT: ... Casing and Tubing 1. On sale seamless API-5CT Casing pipe, Tubing pipe, Coupling, OCTG, Oil pipe.2. Our factory manufacture Casing pipe, Tubing pipe, OCTG ... O. D. Range Tubing pipe: From 2-3/8"to 4-1/2"(EUE/NU)5. Casing pipe: From 4 ... , R2, R38. If you interested in our Casing pipe, Tubing pipe, Coupling, OCTG, Oil pipe, feel free to contact with me ...