Study of the mechanical properties of low carbon content HSLA steels

Authors

  • S. Illescas Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, Facultat de Química, Universitat de Barcelona
  • J. Fernández Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, Facultat de Química, Universitat de Barcelona
  • J. Asensio Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica, E.T.S. de Ingenieros de Minas, Universidad de Oviedo
  • M. Sánchez-Soto Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, E.T.S.E. Industrial i Aeronàutica, Universitat Politècnica de Catalunya
  • J. M. Guilemany Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, Facultat de Química, Universitat de Barcelona

DOI:

https://doi.org/10.3989/revmetalm.0902

Keywords:

HSLA steel, Microalloying, Bainite, Acicular ferrite, Mechanical properties

Abstract


Two high strength low alloy steels (HSLA) with the same bulk composition and slight microalloying content differences were studied. The main purpose of the study was to determine the effect of different heat treatments and the influence of vanadium (V) on the microstructure and mechanical properties of the bainite present in each steel. For that purpose, standard tests were conducted to determine the hardness, toughness, tensile and yield stress of the different bainite-acicular ferrite structures found in both steels. The results show how the V content promoted the formation of acicular ferrite, resulting in a decrease in hardness and tensile strength while improving toughness.

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Published

2009-12-30

How to Cite

Illescas, S., Fernández, J., Asensio, J., Sánchez-Soto, M., & Guilemany, J. M. (2009). Study of the mechanical properties of low carbon content HSLA steels. Revista De Metalurgia, 45(6), 424–431. https://doi.org/10.3989/revmetalm.0902

Issue

Vol. 45 No. 6 (2009)

Section

Articles

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