What is the Best Hardness for MagnaCut Knives?

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References in no particular order:

[1] Verhoeven, J.D. “Experiments on Knife Sharpening.” (2004).

[2] https://knifesteelnerds.com/2018/08/06/sharpness-vs-cutting-ability/

[3] https://knifesteelnerds.com/2021/03/25/cpm-magnacut/

[4] Sharpening Supplies: https://www.youtube.com/watch?v=gnPLi7GuqsE

[5] Sharpens Best: https://www.youtube.com/watch?v=cAfe8ZYnlSU

[6] Outdoors55: https://www.youtube.com/watch?v=9ed9HesiwQc

[7] Walter Sorrells: https://www.youtube.com/watch?v=D4aFy3tRpI4

[8] Cox Workshop: https://www.youtube.com/watch?v=G8Tpi6HDqwM

[9] Outdoors55: https://www.youtube.com/watch?v=9Ygp4AoUUO8

[10] bhadeshia123 martensite formation: https://www.youtube.com/watch?v=OQ5lVjYssko

[11] hayden jin: https://www.youtube.com/watch?v=yiWXDA0KKZw

[12] Chuck Richards Knives: https://www.youtube.com/watch?v=OvC4M_JrJlw

[13] Verhoeven, John D., Alfred H. Pendray, and Howard F. Clark. “Wear tests of steel knife blades.” Wear 265, no. 7-8 (2008): 1093-1099.

[14] https://forum.spyderco.com/viewtopic.php?f=2&t=91530

[15] Kevin Raposo: https://www.youtube.com/watch?v=9pkY8e73of8

[16] https://knifesteelnerds.com/2018/06/18/maximizing-edge-retention/

[17] https://knifesteelnerds.com/2020/05/01/testing-the-edge-retention-of-48-knife-steels/

[18] https://knifesteelnerds.com/2019/05/26/new-micrographs-of-42-knife-steels/

[19] Moore, M. A., F. S. King, P. F. Davis, and T. C. D. Manby. “The effect of knife geometry on cutting force and fracture in sugar beet topping.” Journal of Agricultural Engineering Research 24, no. 1 (1979): 11-27.

[20] Landes, R. “Messerklingen und Stahl.” Aufl. Bad Aibling: Wieland Verlag (2006).

[21] https://knifesteelnerds.com/2019/01/21/does-acidic-food-affect-edge-retention/

[22] S30V datasheet: http://www.crucible.com/PDFs/DataSheets2010/dsS30Vv1%202010.pdf

[23] https://nsm-ny.com/wp-content/uploads/2021/07/CPM-MagnaCut-datasheet15.pdf

[24] Rehan, Muhammad Arbab, Anna Medvedeva, Berne Högman, Lars‐Erik Svensson, and Leif Karlsson. “Effect of Austenitization and Tempering on the Microstructure and Mechanical Properties of a 5 wt% Cr Cold Work Tool Steel.” steel research international 87, no. 12 (2016): 1609-1618.

[25] Park, W., M. R. Hilton, A. R. Leveille, and P. C. Ward. “Microstructure, fatigue life and load capacity of PM tool steel REX20 for bearing applications.” Tribology & Lubrication Technology 55, no. 6 (1999): 20.

[26] https://knifesteelnerds.com/2022/01/11/how-cold-for-cryo/

[27] https://knifesteelnerds.com/2019/04/08/does-sharpening-with-a-grinder-ruin-your-edge/

[28] S5 yield strength: Roberts, G A, and Robert A. Cary. Tool Steels. Beachwood, Ohio: American Society for Metals, 1980.

[29] Z-Wear toughness: https://knifesteelnerds.com/2018/06/04/toughness-testing-cru-wear-z-wear/

[30] https://knifesteelnerds.com/2020/01/13/s35vn-steel-properties-and-how-to-heat-treat/

[31] https://knifesteelnerds.com/2019/11/01/crucible-s45vn-steel/

[32] https://knifesteelnerds.com/2020/03/02/cpm-spy27-experiments-toughness-corrosion-resistance-and-more/

[33] https://knifesteelnerds.com/2019/04/22/a2-steel-history-and-properties/

[34] https://knifesteelnerds.com/2018/10/22/silicon-additions-for-improving-steel-toughness/

[35] https://knifesteelnerds.com/2018/04/23/what-happens-during-tempering-of-steel/

[36] https://www.stoneandsteel.net/services/knife-repair/

[37] https://www.eseeknives.com/warranty