The implemental standards for oil casings are API 5CT; and the specifications range from 60.3 to 508mm. Steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, and T-95; and the merchantable claspers are STC, LC, BC, and VAM.
The implemental standards for oil pipelines are API 5L; and the specifications range from 219.1 to 2032mm. The steel grades include Gr.B, X42, X46, X56, X60, X70, and X80 |