Effect of Post Weld Heat Treatment on High-temperature Wear Resistance of Martensitic Stainless Steel AWS A5.9 ER420 Weldment by GMAW Process

DOI: 10.14416/j.ind.tech.2023.06.001


  • Pisak Lertvijitpun Department of Welding Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok
  • Nutta Bourniew Department of Welding Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok


Hardfacing, ER420, Post Weld Heat Treatment, Wear Resistance


This research studies the effect of post weld heat treatment (PWHT) on microstructure, mechanical properties, and high-temperature wear resistance of AWS A5.9 ER420 deposited filler metal. The gas metal arc welding process (GMAW) was performed by using the welding parameters: current range 190-230 A., Arc voltage 21.5 V, and welding speed 6.4 mm/s. After welding, the specimens were carried out into the PWHT at 500 °C and 700 °C for 2 hrs. According to ASTM G99, the abrasive wear test was performed at room temperature, 100°C, 200°C, and 300°C respectively. The experimental result shows that the hardness of weld metal increased when the PWHT at 500°C was performed, conducting a decrease in wear rate. On the contrary, the wear rate increases when the hardness of deposited metal reduces caused by PWHT at 700°C. However, it was found that the high-temperature wear rate decreases when the test temperature increase due to the modification of mechanical properties and oxide formation of iron and chromium on the deposited metal surface.


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A. Calik and M.S. Karaka, Effect of heat treatment on the microstructure and mechanical properties of martensitic stainless-steel joints welded with austenitic stainless-steel fillers, Materials and Technology, 2013, 47, 403-407.

R. Kumar, P.K. Ghosh and S. Kumar, Thermal and metallurgical characteristics of surface modification of AISI 8620 steel produced by TIG arcing process, Journal of Materials Processing Technology, 2017, 240, 420-431.

Y. Shen, S.M. Moghadam, F. Sadeghi, K. Paulson and R.W. Trice, Effect of retained austenite – Compressive residual stresses on rolling contact fatigue life of carburized AISI 8620 steel, International Journal of Fatigue, 2015, 75, 135-144.

A. Ray, K.S. Arora, S. Lester and M. Shome, Laser cladding of continuous caster lateral rolls: Microstructure, wear and corrosion characterisation and on-field performance evaluation, Journal of Materials Processing Technology, 2014, 214(8), 1566-1575.

J.C. Lippold and D.J. Kottecki, Welding metallurgy and weldability of stainless steels, John Wiley & Sons Inc., NJ, USA, 2005.

K. Yang, Z. Zhang, W. Hu, Y. Bao and Y. Jiang, A new type of submerged-Arc flux-cored wire used for hardfacing continuous casting rolls, Journal of Iron and Steel Research International, 2011, 18(11), 74-79.

A.V. Nemani, M. Ghaffari, S. Salahi, and A. Nasiri, Effects of post-printing heat treatment on the microstructure and mechanical properties of a wire arc additive manufactured 420 martensitic stainless steel part, Materials Science and Engineering: A, 2021, 813, 141167.

A.N. de Moura, C.M. de Alcântara, E.A. Vieira, W.S. Labiapari, M.A. da Cunha, T.R. de Oliveira and M.T.D. Orlando, Microstructure, crystallographic aspects andmechanical properties of AISI 420 martensitic stainless steel after different thermomechanical process routes, Materials Chemistry and Physics, 2023, 305, 127723.

A.N. Isfahany, H. Saghafian and G. Borhani, The effect of heat treatment on mechanical properties and corrosion behavior of AISI420 martensitic stainless steel, Journal of Alloys and Compounds, 2011, 509, 3931-3936.

K. Lokesh, M.M. Gandhi, S.R. Sekhar, N. Sateesh and Ram Subbiah, Wear behavior analysis of AISI440 martensitic steel by annealing and tempering process, International Journal of Engineering and Advanced Technology, 2019, 9, 1012-1017.

E.O. Correa, N.G. Alcântara, L.C. Valeriano, N.D. Barbedo and R.R. Chaves, The effect of microstructure on abrasive wear of a Fe–Cr–C–Nb hardfacing alloy deposited by the open arc welding process, Surface and Coatings Technology, 2015, 276, 479-484.

A. Bain, K. Reddy, S. Jagadeesan, A.A. Lakshmi, N. Sateesh, S.K. Singh and R. Subbiah, Wear and microstructure analysis on AISI420 stainless steel by annealing & tempering process under dry sliding conditions, Advances in Materials and Processing Technologies, 2022, 8, 445-455.

J. Kuan, Effects of heat treatment on microstructure and wear resistance of stainless steels and superalloys, Thesis, University of Ottawa, Canada, 2013.

D.A. Ahmed and M.M. Mulapeer, Differentiation of specific wear rates of AISI 304 austenitic and AISI 2205 duplex stainless steels at room and high temperatures, Heliyon, 2022, 8(11), e11807.






บทความวิจัย (Research article)