Steel Library/CTS-40CP
Powder Metallurgy Steel
Intermediate
Mid-range

CTS-40CP

Heat Treatment Specifications

Austenitizing

Temperature1060°C(1940°F)
Soak Time30 minutes

Tempering

Temperature205°C(401°F)
Time120 minutes
Cycles2x

Quench Medium

oil

Target Hardness

58 - 59 HRC

Performance Characteristics

Toughness5.5/10
Edge Retention6/10
Corrosion Resistance7.5/10
Ease of Sharpening6.5/10
Overall Score25.5/40

Interesting Facts

  • 1Carpenter's budget powder metallurgy steel
  • 2Similar to 440C but PM processed
  • 3Better uniformity than conventional 440C
  • 4Spyderco used in budget-friendly models
  • 5Good balance of corrosion resistance and edge retention
  • 6Entry point to PM steels

Famous Uses

Spyderco Delica/Endura variants
Budget production knives

Best For

General-purpose cutting
Kitchen knives
Wet environments

Similar Steels

154CM

Similar class, more known

CTS-XHP

Harder, better wear

Not Recommended For

  • Extreme wear
  • Heavy work

Expert Tips

  • 1440C-based composition
  • 2Good corrosion resistance
  • 3Balanced properties
  • 4Ingot manufacturing

Track Your CTS-40CP Heat Treats

Start logging your heat treatment cycles with CTS-40CP. Track what works, compare results, and repeat your best blades.

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