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M390 vs Elmax

M390 vs Elmax knife steel comparison using sourced ratings and hardness data from Knife Steel Nerds and SteelHardnessLab.

Quick Take

Also searched as: M390 (204P, 20CV, Bohler M390, Bohler M390MK, CPM-20CV, CTS-204P)

Also searched as: Elmax (Bohler Elmax, Uddeholm Elmax)

Open Live Comparison M390 Detail Elmax Detail
Metric M390 Elmax
Toughness3.54
Edge Retention6.55.5
Corrosion Resistance98
Avg/Target HRC60.660.2
ManufacturerBohler-UddeholmBohler-Uddeholm
CategoryStainlessStainless

FAQ

Is M390 better than Elmax overall?

Toughness: Elmax leads (4/10 vs 3.5/10 for M390). Edge retention: M390 leads (6.5/10 vs 5.5/10 for Elmax). Corrosion resistance: M390 leads (9/10 vs 8/10 for Elmax).

Where do these values come from?

Ratings are attributed to Knife Steel Nerds; hardness measurements are attributed to SteelHardnessLab testing by u/679696 and u/Skylark427.