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K390 vs D2

K390 vs D2 knife steel comparison using sourced ratings and hardness data from Knife Steel Nerds and SteelHardnessLab.

Quick Take

Also searched as: K390 (Bohler K390, K390 PM)

Open Live Comparison K390 Detail D2 Detail
Metric K390 D2
Toughness5.53.5
Edge Retention7.55
Corrosion Resistance44.5
Avg/Target HRC64.059.8
ManufacturerBohler-UddeholmVarious
CategoryHigh Alloy Tool SteelHigh Alloy Tool Steel

FAQ

Is K390 better than D2 overall?

Toughness: K390 leads (5.5/10 vs 3.5/10 for D2). Edge retention: K390 leads (7.5/10 vs 5/10 for D2). Corrosion resistance: D2 leads (4.5/10 vs 4/10 for K390).

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.