Austenitizing
Belt furnace. Time in furnace according to the table.
Thickness, mm | Thickness, in. | Time, minutes |
---|---|---|
2.5 | 0.100 | 5 |
3.0 | 0.118 | 6 |
3.25 | 0.128 | 7 |
3.5 | 0.138 | 8 |
3.75 | 0.148 | 10 |
4.0 | 0.157 | 12 |
4.9 | 0.192 | 25 |
Quenching
Quench as rapidly as possible. For optimal results 600°C (1110°F) should be reached within 2 minutes or less.
Hardness | Temperature |
---|---|
57 HRC | 175°C (345°F) |
55 HRC | 225°C (435°F) |
53 HRC | 350°C (660°F) |