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3V vs 4V

3V vs 4V knife steel comparison using sourced ratings and hardness data from Knife Steel Nerds and SteelHardnessLab.

Quick Take

Also searched as: 3V (CPM 3V, CPM-3V)

Also searched as: 4V (CPM 4V, CPM-4V)

Open Live Comparison 3V Detail 4V Detail
Metric 3V 4V
Toughness97
Edge Retention4.55
Corrosion Resistance5.54
Avg/Target HRC60.763.9
ManufacturerCrucible IndustriesCrucible Industries
CategoryHigh Alloy Tool SteelHigh Alloy Tool Steel

FAQ

Is 3V better than 4V overall?

Toughness: 3V leads (9/10 vs 7/10 for 4V). Edge retention: 4V leads (5/10 vs 4.5/10 for 3V). Corrosion resistance: 3V leads (5.5/10 vs 4/10 for 4V).

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.