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Blade Steels

Zero Tolerance blades are made only of premium, high-performance stainless steels that provide the characteristics most desirable in pocketknives.

CPM 20CV

This Crucible powdered metallurgy tool steel has a high volume of vanadium carbides for exceptional wear resistance and edge retention. The highest level of chromium of any high-vanadium steel gives it excellent corrosion resistance.

HRC: 59–61

TOUGHNESS: 6/10

EDGE RETENTION: 7/10

CORROSION RESISTANCE: 7/10

SHARPENING EASE: 5/10

CPM S30V      

Large carbides in this all-around premium knife steel make it take and hold an edge extremely well; it is also very tough and wear resistant.

HRC: 59.5–61

TOUGHNESS: 5/10

EDGE RETENTION: 7/10

CORROSION RESISTANCE: 7/10

SHARPENING EASE: 5/10

CPM S35VN        

Crucible's S35VN modifies the formula of S30V for enhanced toughness and resistance to edge chipping with no loss of wear resistance. Its formula promotes the formation of niobium carbides along with the vanadium and chromium carbides. It provides a sharper, longer lasting edge.

HRC: 60-62

TOUGHNESS: 6/10

EDGE RETENTION: 8/10

CORROSION RESISTANCE: 7/10

SHARPENING EASE: 5/10

Steel Elements

Carbon (C) Chromium (Cr) Molybddenum (Mo) Vanadium (V) Tungsten (W) Cobalt (Co) Nickel (Ni) Manganese (Mn) Silicon (Si) Sulphur (S) Phosphous (P) Copper (Cu)  Niobium (Nb) Nitrogen (N)
CPM S30V 1.45% 14% 2.0% 4.0% 0.2%
CPM 154 1.05% 14% 4.0%
CPM S35VN 1.4% 14% 2.0% 3.0% 0.5%