| Conditions | Hardness |
| T (°C) | Treatment | Method | Value |
| 25 |
cold drawn (round bar (25 mm)) |
HB |
277 |
| 25 |
oil quenched from 845°C, tempered at 540°C (round specimen (100 mm)) |
HB |
270 |
| 25 |
oil quenched from 845°C, tempered at 540°C (round specimen (50 mm)) |
HB |
310 |
| 25 |
oil quenched from 845°C, tempered at 540°C (round specimen (75 mm)) |
HB |
283 |
| 25 |
oil quenched from 845°C, tempered at 540°C (round specimen (25 mm)) |
HB |
342 |
| 25 |
oil quenched from 845°C, tempered at 650°C (round specimen (25 mm)) |
HB |
280 |
| 25 |
oil quenched from 845°C, tempered at 650°C (round specimen (75 mm)) |
HB |
211 |
| 25 |
oil quenched from 845°C, tempered at 650°C (round specimen (100 mm)) |
HB |
219 |
| 25 |
oil quenched from 845°C, tempered at 650°C (round specimen (50 mm)) |
HB |
221 |
