Casing Size: OD: 4-1/2" - 20" (114.3 mm - 508 mm) Tubing Size: OD: 2-3/8" - 4-1/2" (60.3 mm - 114.3 mm) WT: 0.205" - 0.635 mm; Length: R1 (4.88 m - 7.62 m), R2 (7.62 m - 10.36 m), R3 (10.36 m - longer). Standard: API 5CT, JIS G3439, BS EN ISO 11960, NF M87-207 Material: H40, J55, K55, N80, C75, L80, C90, T95, Q125 Usage: Conveying gas, water, oil, natural gas For price, specification and other details please contact us