... Order QuantityUnitAdditional Description4 1/2" oil casingCasing and Tubing Standard: API 5CT,Carbon Steel4 1/2"CM300MeterLength: R2, R3.Application: ... as walls of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95,7" casing pipeCasing and Tubing ... as walls of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95,2,Characteristic & Application: •Widely used ...