Tool Steel
Intermediate
Mid-range

K110

Heat Treatment Specifications

Austenitizing

Temperature1030°C(1886°F)
Soak Time20 minutes

Tempering

Temperature205°C(401°F)
Time120 minutes
Cycles2x

Quench Medium

plate

Target Hardness

61 - 62 HRC

Performance Characteristics

Toughness4.5/10
Edge Retention6/10
Corrosion Resistance4.5/10
Ease of Sharpening4.5/10
Overall Score19.5/40

Interesting Facts

  • 1Böhler Austrian equivalent of D2 steel (W-Nr 1.2379)
  • 2Name from 'Kaltarbeitstahl' (German for cold work steel)
  • 3Achieves 58-62 HRC
  • 41.55% carbon and 11.3% chromium
  • 5Mid-range tool steel popular with European makers

Famous Uses

European hunting knives
Custom tactical knives
Industrial cutting tools

Best For

Tool steels
High-wear applications
Utility blades
Punches and dies

Similar Steels

D2

American equivalent

X12MF

Russian D2

Not Recommended For

  • Marine environment
  • Beginners
  • Thin blades

Expert Tips

  • 1Careful heat treatment to avoid brittleness
  • 2Excellent carbide formation
  • 3Demands quality sharpening equipment

Track Your K110 Heat Treats

Start logging your heat treatment cycles with K110. Track what works, compare results, and repeat your best blades.

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