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ATS-34 knife steel

ATS-34 is a stainless knife steel, typically hardened to HRC 58-61.

TypeStainless
HardnessHRC 58-61
Edge retentionhighhigher than 19 of 48, tied with 17
Corrosion resistancehighhigher than 22 of 48, tied with 16
Toughnessmediumhigher than 4 of 48, tied with 20
Ease of sharpeningmoderate to sharpeneasier to sharpen than 20 of 48, tied with 14
Price tierMid
Best forEDC / folders

ATS-34 chemical composition

CCrMoMnSi
1.051440.40.35

Nominal weight %. Source: Boker USA steel glossary.

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Knives in ATS-34

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

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