Salojee, Muhammed YusufAnnan, Kofi AhomkahSiyasiya, Charles WitnessMoema, Joseph2022-10-202022-10-202021-01-24Salojee, Muhammed, Annan, Kofi, Siyasiya, Charles & Moema, Joseph. (2022). Effect of hot rolling parameters on recovery mechanism in 436 (17%Cr, Nb-Mo) ferritic stainless steel. Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie. 40. 1-7. 10.36303/SATNT.2021cosaami.01.0254-3486 (print)2222-4173 (online)10.36303/SATNT.2021cosaami.01https://repository.up.ac.za/handle/2263/87848Ferritic stainless steel (FSS) grades are widely used for applications that require high strength and corrosion resistance. Their cost and versatility in the steel market have attracted a lot of interest from both industry and academic research. Despite their desirable properties, these steels grades experience surface defects as a result of microstructural evolution that evolves due to softening mechanism. The current study simulated the roughing hot rolling processes of AISI 436 (17%Cr, Nb-Mo) FSS to study the effects of inter-pass time and strain on the precipitation behaviour and the softening mechanisms in 436 FSS. The softening mechanisms and the resulting microstructures were investigated using SEM-EBSD technique. The results revealed Particle Stimulated Nucleation of new grains during the simulated roughing rolling which promoted recrystallisation due to strain accumulation. Stored deformation energy was found to increase with an increase in interpass time and strain.en© 2021, Suid-Afrikaanse Akademie vir Wetenskap en Kuns. All rights reserved.MicrostructureFerritic stainless steel (FSS)Hot rolling processesDynamic recrystallisation (DRX)Electron backscatter diffraction (EBSD)Scanning electron microscopy (SEM)Engineering, built environment and information technology articles SDG-09SDG-09: Industry, innovation and infrastructureEngineering, built environment and information technology articles SDG-12SDG-12: Responsible consumption and productionArticle