... pipe, seamless tubing manufacturers and suppliers. API 5CT Tubing Features: 1)Sizes: OD 2-3/8"~4-1/2" 2)Grade: H40, J55 ... , N80, L80, C90, T95, P110 3)Length: R1, R2, R3 4)Standard: API SPEC 5CT 5)Application :Tubing is ... (Standard API Spec 5CT) Tubing Technical Specification (Standard API Spec 5CT) OD Wall Thickness Mass ID Ends Grade inch mm inch mm ...