Powder Metallurgy Steel
Intermediate
Mid-range

SRS-13

Heat Treatment Specifications

Austenitizing

Temperature1050°C(1922°F)
Soak Time15 minutes

Tempering

Temperature175°C(347°F)
Time120 minutes
Cycles2x

Quench Medium

air

Target Hardness

63 - 64 HRC

Performance Characteristics

Toughness7.5/10
Edge Retention7.5/10
Corrosion Resistance7.5/10
Ease of Sharpening6.5/10
Overall Score29/40

Interesting Facts

  • 1Nachi-Fujikoshi powder metallurgy steel
  • 2Created because Spyderco couldn't get SRS-15 (exclusive)
  • 3Slightly modified version of SRS-15 for broader availability
  • 4Can reach HRC 64 - very sharp and easier to sharpen than SG2
  • 5Less prone to chipping than SG2/R2

Famous Uses

Spyderco Seki sprint runs
Tsunehisa kitchen knives
Seisuke knives

Best For

Kitchen knives
Precision cutting tools

Similar Steels

Not Recommended For

  • Budget projects
  • Beginners
  • Rough work

Expert Tips

  • 1Lower carbon than SRS-15
  • 2Better corrosion resistance
  • 3PM technology
  • 4Substitute for SRS-15

Track Your SRS-13 Heat Treats

Start logging your heat treatment cycles with SRS-13. Track what works, compare results, and repeat your best blades.

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