Specification:Casing Pipe 1)Size:OD 193.68 mm 2)Grade:J55,K55,N80,L80,P110 ... bundle or bulk Material grade: J55, K55, N80, L80, T95, 7" casing pipeCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2 ... bundle or bulk Material grade: J55, K55, N80, L80, T95, 7 5/8" oil casing pipeCasing and Tubing Standard: API 5CT ... grade: J55, K55, N80, L80, T95, API 5CT 2 7/8" N80/L80 Tubing and Casing Pipe