Ti-5-8al-4-0sn-3-5zr-0-7nb-0-5mo-0-35si-0-06c
| Common Name | |
|---|---|
| Ti-5.8Al-4.0Sn-3.5Zr-0.7Nb-0.5Mo-0.35Si-0.06C | |
| Ti-834 | |
| UNS | |
| None assigned | |
| General Information | |
| Ti 834 possesses the highest temperature capability of any commercial titanium alloy (up to 1112°F (600°C)) and is primarily used in aircraft engine applications. This “near alpha” alloy is weldable and possesses a fine grained alpha/beta microstructure that confers the best combination of tensile strength, fatigue and creep resistance. Furthermore, in comparison with other creep resistant Ti alloys, Ti 834 can be stress relieved at temperatures up to 1292°F (700°C). | |
| Common Specification | |
| Specification | Product Form |
| CP5238 | Bar |
| CPW534 | Billet |
| DMD 9003 | Sheet |
| MSRR8679 | Billet |
| MSRR8681 | Bar |
| MTS1267 | Bar/Billet |
| Chemistry Requirements | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N | C | H | Fe | O | Al | Sn | Zr | Nb | Mo | Si | Ti |
| 0.03 | 0.04-0.08 | 0.006 | 0.05 | 0.075-0.15 | 5.5-6.1 | 3.0-5.0 | 3.0-5.0 | 0.5-1.0 | 0.25-0.75 | 0.25-0.75 | Balance |
% Maximum unless given as a range.
| Minimum Tensile Properties | ||||
|---|---|---|---|---|
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* |
| Forgings | 149 (10300) | 132 (910) | 7.5 | 15 |
| Forgings tested @1112°F | 85 (585) | 65(450) | 11 | 20 |
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* |
| Typical Tensile Properties | ||||
|---|---|---|---|---|
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* |
| Forgings | 155 (91067) | 135(931) | 14 | 30 |
| Forgings tested @1112°F | 102(701) | 78(541) | 20 | 58 |
| Condition | UTS ksi (Mpa) | >0.2%YS ksi (MPA) | % El. | % RA* |
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
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