Description
Overview of TA18 (Ti-3A1-2.5V/ASTM Grade 9) Titanium Alloy Welding Wire
TA18 is a high-strength a+β titanium alloy welding wire, equivalent to ASTM Grade9 (UNS R56320).It offers a balanced combination of strength, corrosion resistance, and weldability, With excellent ductility and stable welding performance, TA18 is widely used in chemical processing, aerospace,and marine applications.
Chemical Composition(wt,-%)
| Grade | Al | Pd | V | Mo | Sn | Fe |
| GR.9 | 2.5~3.5 | – | 2.0~3.0 | 0.2~0.4 | – | ≤0.20 |
| Grade | C | O | N | H | Ti | |
| GR.9 | ≤0.03 | 0.06~0.12 | ≤0.012 | ≤0.005 | Bal | – |
Advantages of TA18 Welding Wire
1. High strength-to-weight ratio and easy formability Excellent weld quality and stability.
2. Strong corrosion resistance in marine and industrial use.
3. Used for aerospace tubing and marine structures.
Applications of TA18 Welding Wire
1. Aircraft hydraulic and fuel systems
2. Marine tubing and structural parts
3. Lightweight transportation components
4. Industrial piping and pressure vessels
