SPECIFICATIONS API 5CT latest edition OCTG from 1.660″ to 30” + respective couplings, crossovers and pup joints API Grades from H40 to Q125 and 13% CR ALL API Standard Weights API and Premium Joint Connections Special SS and HC grades CRA Grades SEAMLESS & WELDED Standards: API Specification 5CT latest edition at time of manufacture (PSL-1, … Continue reading OCTG