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TIMETAL® 6-2-4-2 (Ti-6Al-2Sn-4Zr-2Mo-0.08Si) Titanium Alloy

 

Subcategory: Titanium Alloy; Nonferrous Metal; Alpha/Near Alpha Titanium Alloy

Key Words: UNS R54620

Material Notes:
Titanium content above is calculated as the remainder and may not reflect the actual range.

Medium-Strength, Elevated Temperature Alloy

Industry Specifications: USA Aerospace: AMS 4919.

Features: TIMETAL 6-2-4-2 has good tensile creep and fatigue properties up to 540°C. It is the most commonly used high temperature alloy in jet engine compressors and airframe structures. It is also used in sheet melt form for engine afterburner structure and for various hot airframe skin applications. It is nonmagnetic.

Typical heat treatment for this alloy: Rough forging: 1038°C. Stress relief anneal: 482-649°C for 1-4 hrs, air cool. Solution treatment: 15-30°C below beta transus for 1 hour, water quench. Aging: 538-593°C for 8 hrs, air cool.

Data provided by TIMET.

Available Properties
  • Density
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Reduction of Area
  • Modulus of Elasticity
  • Fatigue Strength
  • Bend Radius, Minimum
  • Electrical Resistivity
  • CTE, linear 20°C
  • Thermal Conductivity
  • Melting Point
  • Liquidus
  • Maximum Service Temperature, Air
  • Beta Transus
   
Property Data

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