Steel Library/W1 Tool Steel
Carbon Steel
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W1 Tool Steel

Heat Treatment Specifications

Austenitizing

Temperature788°C(1450°F)
Soak Time30 minutes

Tempering

Temperature204°C(399°F)
Time120 minutes
Cycles2x

Quench Medium

water

Target Hardness

60 - 64 HRC

Performance Characteristics

Toughness6/10
Edge Retention5.5/10
Corrosion Resistance0.5/10
Ease of Sharpening9/10
Overall Score21/40

Interesting Facts

  • 1Water-hardening tool steel, predecessor to W2
  • 2One of best performing steels according to ABS members
  • 3Used in Bill Moran's 1970s Damascus work

Famous Uses

Traditional Damascus
Forged knives

Best For

Custom knives
Kitchen knives
Folders
Bushcraft knives

Similar Steels

W2

With vanadium, finer grain

1095

Easier HT

Not Recommended For

  • Wet environments
  • Beginners (difficult HT)
  • Thick blades

Expert Tips

  • 1Wide carbon range 0.70-1.50%
  • 2Lower C for tougher blades
  • 3Higher C for edge retention
  • 4Easy for beginners

Track Your W1 Tool Steel Heat Treats

Start logging your heat treatment cycles with W1 Tool Steel. Track what works, compare results, and repeat your best blades.

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