TA15 (Ti-6.5Al-2Zr-1Mo-1V) Titanium
Technical guide to TA15 titanium alloy — a near-alpha titanium alloy with high strength and excellent weldability, widely used in aerospace and defense applications. Properties, composition, and heat treatment guidelines.
| Property | Value |
|---|---|
| Density | 4.45 g/cm³ |
| Tensile Strength | 930 MPa |
| Yield Strength | 855 MPa |
| Hardness | 35 HRC |
| Max Temp | 500°C |
Quick Answer
What is TA15 titanium?
TA15 (Ti-6.5Al-2Zr-1Mo-1V) is a near-alpha titanium alloy developed for high-strength welded aerospace structures. It offers excellent thermal stability up to 500°C, superior weldability compared to Ti-6Al-4V, and good creep resistance. TA15 is widely specified for Chinese aerospace programs including airframe structural components, engine ducts, and rocket motor casings.
Mechanical Properties
| Property | Value |
|---|---|
| Density | 4.45 g/cm³ |
| Tensile Strength | 930 MPa (min) |
| Yield Strength (0.2% offset) | 855 MPa (min) |
| Elongation | 10% |
| Hardness | 35 HRC |
| Max Service Temperature | 500°C |
Applications
- Aerospace welded structural assemblies
- Engine ducts and casings
- Rocket motor casings and pressure vessels
- High-temperature fasteners
- Additive manufactured aerospace components