Influence of heat treatment and nickel content on the properties of GX4CrNi13-4 steel

For the EN GX4CrNi13-4 martensitic stainless steel, research was conducted to investigate the impact of the quenching intensity and the content of nickel on the mechanical properties and amount of retained austenite. It was found that the amount of retained austenite significantly increases with growing nickel concentration. On the other hand, the cooling rate at quenching makes a difference only if the cooling is intensive, then amount of retained austenite decrease. A higher nickel content improves the mechanical properties. With more intensive cooling, the tensile strength decreases while the yield strength increases. The ductility is not significantly affected by the cooling intensity.

Keywords

Martensitic steel, Retained austenite, Mechanical properties, Heat treatment

Citation

ARCHIVES OF METALLURGY AND MATERIALS. 2020, vol. 66, issue 1, p. 37-41.
http://www.imim.pl/files/archiwum/Vol1_2021/05.pdf

Document type

Peer-reviewed

Document version

Published version

Language of document

en

Document licence

Creative Commons Attribution-NonCommercial 4.0 International
http://creativecommons.org/licenses/by-nc/4.0/