... Order QuantityUnitAdditional Description 4 1/2" oil casingCasing and Tubing Standard: API 5CT,Carbon Steel4 1/2"ZS300MeterLength: R2, ... N80, L80, T95, , 5" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel5"ZS300MeterLength: R2, R3.Application: serves as ... K55, N80, L80, T95, 7" casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel7"ZS300MeterLength: R2, R3.Application: serves as ...