... the Casing Pipe Product NameBrief IntroductionMaterialAdditional Description 4 1/2" oil casingCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2, ... bulk Material grade: J55, K55, N80, L80, T95, , 5" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2 ... bulk Material grade: J55, K55, N80, L80, T95, 13 3/8"oil casingCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2 ...