Titanium 6-6-2
Titanium 6-6-2, AMS 4918, is a high-performance titanium alloy, specifically Ti-6Al-6V-2Sn, known for its exceptional strength, toughness, and resistance to elevated temperatures. With a composition that includes aluminum, vanadium, and tin, AMS 4918 offers a tensile strength of 145-155 ksi and a yield strength of 135-170 ksi, making it ideal for demanding aerospace applications, jet engine components, and other high-performance structural uses. Its balanced combination of elements ensures reliability and durability in critical environments.
Titanium 6-6-2 Inventory Size Ranges
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Standard Inventory Specifications
- AMS 4918
- UNS R56620
- MMS 1203
- MIL-T-9046 AB-3
- DMS 1879
Common Trade Names
- Ti-6-6-2
Common Applications of Titanium 6-6-2
- Aircraft structural components
- Engine components
- Landing gear parts
- Heat exchangers
- Pressure valves
Chemical Composition
| Element | Percent by Weight | |
|---|---|---|
| Al | Aluminum | 5-6% |
| C | Carbon | 0.05% max |
| V | Vanadium | 5-6% |
| N | Nitrogen | 0.04% max |
| Sn | Tin | 1.5-2.5% |
| H | Hydrogen | 0.015% max |
| Fe | Iron | 0.35 – 1.0% |
| Y | Yttrium | 0.005% max |
| Cu | Copper | 0.35 – 1.0% |
| O | Oxygen | 0.20% max |
| Ti | Titanium | Balance |
| - | Other | 0.40% |
Physical Properties of Ti-6-6-2
| Density |
0.164 lb/in³ (4.54 g/cm³) |
| Melting Point |
~3,040 – 3,080 °F (1,670 – 1,690 °C) |
|
Modulus of Elasticity |
117 GPa (17 x 106 psi) |
| Thermal Conductivity |
~6.7 W/m·K |
Mechanical Properties of Ti-6-6-2
| Tensile Strength | Yield Strength | Elongation Percent |
|---|---|---|
|
145-155ksi |
135-170 ksi |
6-10% |
*The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.