Corrosion Resistance vs Hardness - Is Softer MagnaCut Better?

I've seen several people online stating that the 60 Rc MagnaCut is more corrosion-resistant than higher hardness. It isn't true. Written version of this video: https://knifesteelnerds.com/2025/07/1... 00:00 Intro 01:08 What is a stainless steel? 01:55 Heat Treatment Variables 02:35 Austenitizing 04:24 Quenching 04:52 Cryo 06:30 Tempering 10:03 Comparing Steels 15:37 Summary