ASTM B53 UNS R60901
Chemical Properties
| Niobium (columbium) | Oxygen |
|---|---|
| 2.40–2.80 | 0.09–0.15 |
Note A : When so specified in the purchase order, oxygen shall be determined and reported. Maximum, minimum, or both, permissible values should be specified in the purchase order.
Mechanical Properties
| Material Condition | Test TemperatureC,F | Minimum Ultimate Tensile Strength psi (MPa) | Minimum 0.2 % Yield Strength psi (MPa) | Minimum Elongation, % | |
|---|---|---|---|---|---|
| °F | (°C) | ||||
| R60901 |
RT |
(RT) |
65 000 (450) | 45 000 (310) | 20 |
| Recrystallized | 572 | (300) | B | B | B |
