KnifeSteelDBknife steels, by spec

Vanadis 4 Extra knife steel

Vanadis 4 Extra is a powder-metallurgy (PM) tool & high-speed knife steel, typically hardened to HRC 60-63.

TypeTool & high-speed · powder metallurgy
HardnessHRC 60-63
Edge retentionhigh
Corrosion resistancelow
Toughnessvery high
Ease of sharpeninghard
Price tierPremium
Best forHard-use / survivalEDC / folders

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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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