Specification:Casing Pipe 1)Size:OD 193.68 mm 2)Grade:J55 ... 5CT 4)Thread:BTC,STC,LTC The detail of the Casing Pipe Product NameBrief IntroductionMaterialAdditional Description 4 1/2" oil casingCasing ... or bulk Material grade: J55, K55, N80, L80, T95, 7" casing pipeCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2, R3 ... grade: J55, K55, N80, L80, T95, API 5CT 2 7/8" N80/L80 Tubing and Casing Pipe