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MagnaCut vs M390

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

A common buyer question: MagnaCut often targets balanced toughness/corrosion, while M390 is often discussed for higher wear resistance at similar stainless expectations.

Quick Take

Also searched as: MagnaCut (CPM MagnaCut, CPM Magnacut, CPM-MagnaCut, CPM-Magnacut)

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

Open Live Comparison MagnaCut Detail M390 Detail
Metric MagnaCut M390
Toughness73.5
Edge Retention56.5
Corrosion Resistance9.59
Avg/Target HRC62.560.6
ManufacturerCrucible IndustriesBohler-Uddeholm
CategoryStainlessStainless

FAQ

Is MagnaCut better than M390 overall?

Toughness: MagnaCut leads (7/10 vs 3.5/10 for M390). Edge retention: M390 leads (6.5/10 vs 5/10 for MagnaCut). Corrosion resistance: MagnaCut leads (9.5/10 vs 9/10 for M390).

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.