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 760?C, hold for 5 minutes.
- Austenitise at 1040?C for 30 minutes.
- Plate quench with?Aluminium Quench Plates.
- Cold treatment; domestic freezer, dry ice slurry, liquid nitrogen ? the colder the better.
- Temper at 150?C for 2 hours, twice.
Recommended working hardness 58-61HRC.
