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M390

Heat Treatment Specifications

Austenitizing

Temperature1130°C(2066°F)
Soak Time25 minutes

Tempering

Temperature200°C(392°F)
Time120 minutes
Cycles2x

Quench Medium

plate

Target Hardness

62 - 64 HRC

Performance Characteristics

Toughness5/10
Edge Retention7.5/10
Corrosion Resistance9/10
Ease of Sharpening4/10
Overall Score25.5/40

Similar Steels

Not Recommended For

  • Budget projects (very expensive)
  • Field sharpening (difficult without diamonds)
  • Impact loads (not the toughest)

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Start logging your heat treatment cycles with M390. Track what works, compare results, and repeat your best blades.

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