1.Casing and Tubing 2. As per API 5CT 3. OD:48.3 -533 mm. WT: 4 - 40mm 4.Origin : Jiangsu, China. aCasing and tubing1.The size from 48.3mm to 533 mm. Casing according to API Spec 5CT standard .2.Steel grade: J55,K55,C95,N80-1,N80Q,P1103.Type of thread: STC,LTC,BTC4.Length range: R1,R2,R3 Oilfield API 5CT Casing and Tubing