Ti-6Al-2Sn-4Zr-2Mo (Ti-6242) Titanium
Technical guide to Ti-6Al-2Sn-4Zr-2Mo (Ti-6242) — a high-temperature near-alpha titanium alloy for jet engine and aerospace applications. Properties, composition, and heat treatment guidelines.
| Property | Value |
|---|---|
| Density | 4.54 g/cm³ |
| Tensile Strength | 930 MPa |
| Yield Strength | 860 MPa |
| Hardness | 35 HRC |
| Max Temp | 540°C |
Quick Answer
What is Ti-6242 (Ti-6Al-2Sn-4Zr-2Mo)?
Ti-6242 is a near-alpha titanium alloy designed for high-temperature service up to 540°C. It offers excellent creep resistance, good tensile strength, and thermal stability, making it the material of choice for jet engine compressor discs, blades, and airframe components in high-temperature zones where standard titanium alloys like Ti-6Al-4V cannot operate.
Mechanical Properties
| Property | Value |
|---|---|
| Density | 4.54 g/cm³ |
| Tensile Strength | 930 MPa (min) |
| Yield Strength | 860 MPa (min) |
| Elongation | 10% |
| Hardness | 35 HRC |
| Max Service Temperature | 540°C |
| Creep Rupture (100h) | 540°C, 310 MPa |
Applications
- Jet engine compressor discs, blades, and vanes
- High-temperature airframe structures
- Rocket engine components
- Power generation turbine components
- Defence propulsion systems