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CPM-S90V knife steel

CPM-S90V is a powder-metallurgy (PM) stainless knife steel, typically hardened to HRC 59-62.

TypeStainless · powder metallurgy
HardnessHRC 59-62
Edge retentionextremehigher than 43 of 48, tied with 5
Corrosion resistancehighhigher than 22 of 48, tied with 16
Toughnesslowamong the lowest of 49
Ease of sharpeninghard to sharpenamong the hardest to sharpen of 49
Price tierSuper / high-end
Best forEDC / folders

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Knives in CPM-S90V

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Last verified 2026-06-11 · properties are documented consensus tiers; real performance depends on heat treat & geometry (methodology)

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