Alloy Composition:
Element | % |
Carbon: | 1.00% |
Manganese: | 0.50% |
Silicon: | 0.30% |
Chromium: | 17.50% |
Molybdenum: | 0.50% |
Recommended Heat Treatment
- Seal blade in double crimped high temperature 309 Heat Treating Foil / Tool Wrap or coat in ATP-641 Anti Scale Compound.
- Preheat to 760C, hold for 5 minutes.
- Austenitise at 1040C for 30 minutes.
- Plate quench with Aluminium Quench Plates.
- Cold treatment; domestic freezer, dry ice slurry, liquid nitrogen, the colder the better.
- Temper at 150C for 2 hours, twice.
Recommended working hardness 58-61HRC.
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