Titanium 6-2-4-2 (6Al-2Sn-4Zr-2Mo) is an alpha-beta titanium alloy that is capable of being heat treated to higher strengths in larger section sizes than 6Al-4V Grade 5. Typically found in forged components, 6Al-2Sn-4Zr-2Mo forged material demonstrates greater strength, ductility and a good combination of low-cycle fatigue and fatigue-crack growth resistance. 6Al-2Sn-4Zr-2Mo is normally used in the intermediate compressor stages of turbine engines for disks, blades, seals and other airframe parts.
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Titanium 6Al-2Sn-4Zr-2Mo Applications:
- High-temperature jet engines
- Gas turbine compressor components
- Blades, Discs, Spacers and Seals
- High performance automotive valves
- Sheet metal parts in afterburners and hot airframe sections
DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.
| Chemical Composition | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ti 83.785 鈥� 87.24% | Al 5.5 鈥� 6.5% | Zr 3.6 鈥� 4.4% | Sn 1.8 鈥� 2.2% | Mo 1.8 鈥� 2.2% | |||||||
| Fe 鈮� 0.25% | O 鈮� 0.15% | Si听 0.060 鈥� 0.10% | C 鈮� 0.050% | N 鈮� 0.050% | |||||||
| H 鈮� 0.015% | Other, each 鈮� 0.10% | Other, total鈮� 0.30% | |||||||||
| PHYSICAL PROPERTIES | ||||||
|---|---|---|---|---|---|---|
| Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft虏-掳F) | Thermal expansion (1/掳F) | Melting Point (掳F) | ||
| 0.164 | 鈥� | 48.6 | 0.00000428 | 3101 | ||
| Mechanical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Property | Minimum | Maximum | |||||||
| Yield Strength Range (Rp0.2 Offset) (ksi) | 鈥� | 152 | |||||||
| Tensile Strength Range (Rm) (ksi) | 鈥� | 161 | |||||||
| Elongation (AL=5 x 脴) | 鈥� | 13.0% | |||||||
| Brinell Hardness (H) | 鈥� | 318 | |||||||
| Modulus of Elasticity (ksi) (E): 17100 | |||||||||
| Machineability General Index: 鈥� | |||||||||
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