AMS 4909

Titanium Alloy, Sheet, Strip, and Plate 5Al – 2.5Sn, Extra Low Interstitial, Annealed PER AMS 4909


The AMS 4909 specification covers 5Al-2.5Sn titanium alloy in the form of sheet, strip, and plate.


Grade 6 Ti-5Al-2.5Sn alloy has high service temperature of 480°C (896°F), medium strength, and excellent weldability and fabricability. This alloy has good oxidation resistance and microstructure stability; however it is not heat-treatable.