API 5CT Casing, Tubing
Dec 31, 2009
The implemental standards for the oil casings are API ﹠5CT; the specifications include from 60.3 to 508 mm, the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merchantable claspers are STC , LC, BC , etc.
Dongying East International Trading Co., Ltd.