| Test Temperature |
Stress |
Average Rupture time, h |
Average Elongation % |
| °F |
°C |
psi |
As Welded |
Stress Relieved1 |
Stress Relieved1 |
| 1100 |
593 |
- |
- |
Hydrogen |
Argon |
Hydrogen |
Argon |
| 74,000 |
1.3 |
1.7 |
- |
14.1 |
- |
| 54,000 |
197.8 |
188.3 |
- |
2.5 |
- |
| 49,000 |
308.4 |
570.5 |
- |
2.2 |
- |
| 1300 |
704 |
45,000 |
3.7 |
6.4 |
5.5 |
3.9 |
5.4 |
| 24,000 |
158.4 |
337.8 |
185.4 |
3.7 |
7.4 |
| 20,000 |
472.3 |
936.7 |
4522.0 |
4.6 |
3.7 |
| 1500 |
816 |
22,000 |
12.7 |
12.1 |
- |
16.9 |
- |
| 13,000 |
172.1 |
117.5 |
- |
14.4 |
- |
| 10,000 |
446.9 |
314.5 |
- |
8.3 |
- |
1Stress-relieved at 1600°F for 2 hrs. in atmosphere specified