1. Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification);API Spec 6A,2010
2. Análisis de Falla de Colgador de Casing de 5 pulg. – Pozo LLL 1405. Informe Final,2017
3. J404: Chemical Compositions of SAE Alloy Steels - SAE International,2000
4. Effects of Mn, P, S, Si & V on the Mechanical Properties of Steel;https://www.leonghuat.com/articles/elements.htm,2017
5. Effects of copper and sulfur additions on machinability behaviour of high performance austenitic stainless steel;Kim;Met. Mater. Int.,2009