This document provides a detailed guide to the tubular products manufactured by TAMSA for the oil and gas industry. It emphasizes their proprietary "TAC" steel for high collapse applications and "TRC" steel for sour environments. The guide includes lists of OCTG products with specifications for grade, thickness, collapse resistance, internal pressure and tension. It also contains dimensional information, connection details, formulas and supplemental information. Tables are included to identify steel codes for API and proprietary products.