TA15 titanium alloy has excellent strength at both room temperature and high temperatures. Its thermal stability and weldability are close to those of α -type titanium alloys, and its processability is also similar to that of α -type titanium alloys. It has good overall performance. This material is widely used in the aviation field, mainly for manufacturing aircraft main load-bearing frames, joints, skins, large integral wall panels and engine booster cylinders, etc.