... K55, N80, L80, T95, 7 5/8" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel7 5/8"ZS300MeterLength: R2, R3.Application: serves ... , K55, N80, L80, T95, 9 5/8" oil casingCasing and Tubing Standard: API 5CT,Carbon Steel9 5/8"ZS300MeterLength: R2, R3.Application: serves as ... and natural gasHydraulic prop pipe27SiMnGB/T17396-199870-377*9-40Hydraulic support and prop steel casing pipe