Charpy Requirements
| Grade | Foot-Lbs (Ave-min) | Temperature |
|---|---|---|
| F1554 grade 55 | 15 | +40F |
| F1554 grade 105 | 15 | -20F or +40F |
| A320 grade L7 | 20 | -150F |
| A320 gradeL43 | 20 | -150F |
| Grade | Foot-Lbs (Ave-min) | Temperature |
|---|---|---|
| F1554 grade 55 | 15 | +40F |
| F1554 grade 105 | 15 | -20F or +40F |
| A320 grade L7 | 20 | -150F |
| A320 gradeL43 | 20 | -150F |