... Material grade: J55, K55, N80, L80, T95, , 5" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2, R3.Application: serves as walls ... bulk Material grade: J55, K55, N80, L80, T95, 7" casing pipeCasing and Tubing Standard: API 5CT,Carbon SteelLength: R2, R3.Application: serves as walls ... : bundle or bulk Material grade: J55, K55, N80, L80, T95, API 5CT Tubing and Casing Pipe