Allvac® Ti-17

General Characteristics of Allvac® Ti-17

Allvac® Ti-17 is a beta-rich, alpha-beta alloy appropriately used in beta and alpha-beta applications. Often referred to as grade 17, Allvac® Ti-17 offers improved tensile and creep strengths than Ti-6Al-4V.

Chemical Composition of Allvac® Ti-17

Aluminum 4.6-5.5
Chromium 3.5-4.5
Molybdenum 3.5-4.5
Tin 1.5-2.5
Oxygen 0.08-0.13
Zirconium 1.5-2.5
Iron 0.3 max
Nitrogen 0.04 max
Hydrogen 0.0125
Titanium balance

Heat Treatment of Allvac® Ti-17

Alpha-beta
- First treatment: 1501° to 1580°F (815° to 860°C), then rapidly air cool
- Second solution treatment: 1472°F (800°C), then water quenching
Beta
- Anneal by holding at 1472°F (800°C) for 4 hours
Aging treatment for beta and alpha-beta is 1148° to 1213°F (620° to 656°C) for 8 hours