| AISI S1 | |
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| Conditions | Impact Energy (J) | ||
| T (°C) | Treatment | Method | Value |
| 25 | oil quenched from 930°C, single tempered at 205°C | Charpy unnotched | 249 |
| 25 | oil quenched from 930°C, single tempered at 315°C | Charpy unnotched | 233 |
| 25 | oil quenched from 930°C, single tempered at 425°C | Charpy unnotched | 203 |
| 25 | oil quenched from 930°C, single tempered at 540°C | Charpy unnotched | 230 |
















