TI-7AL-4MO
| Common Name | |
|---|---|
| Ti-7Al-4Mo | HA 146 |
| Ti-7-4 | C-135A Mo |
| UNS | |
| R56740 | |
| General Information | |
| Ti-7Al-4Mo bar and forgings are primarily used for jet engine discs, compressor blades, and spacers. This alpha-beta alloy is available in bar, billet, and extrusions. | |
| Common Specification | |
| Specification | Product Form |
| AMS 4970 | Bar and forgings |
| MIL-T-9047 | Bar and Stock, Reforged |
| MIL-T-81556 | Extrusions |
| MIL-T-83142 | Forgings |
| Chemistry Requirements | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | C | H | Fe | O | Al | Mo | Y | Residuals Each Max. | Residuals Max Total | Ti |
| 0.05 | 0.1 | 0.013 | 0.3 | 0.2 | 6.5-7.3 | 3.5-4.5 | 0.005 | 0.1 | 0.4 | Balance |
| Minimum Tensile Properties | |||||
|---|---|---|---|---|---|
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* | Size |
| STA Forgings | 170 (1172) | 160(1103) | 8 | 15 | <1” |
% Maximum unless given as a range.
| Typical Tensile Properties | |||||
|---|---|---|---|---|---|
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* | Size |
| Forged Annealed | 145(1000) | 135(931) | 10 | 20 | <1” |
Note: Typical properties are not to be utilized as a requirement, but are only listed for guidance. These properties may or may not be attainable in all circumstances.
* %Ra not required by all specifications
Trademark Notice: Some names are trade names and/or trademarks of specific manufacturers. Titan Singapore is not affiliated with any manufacturer(s). Orders will be filled to meet specifications from any available source(s). Names are listed solely for reference to help identify products consistent with listed specifications.