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Rulon Bearings
TIMET TIMETAL® 6-2-4-2 (Ti-6Al-2Sn-4Zr-2Mo-0.08Si) Titanium Alloy
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy

Material Notes: 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.

Key Words: UNS R54620
Available Properties
  • Density, Typical
  • Tensile Strength, Ultimate, Typical
  • Tensile Strength, Yield, Typical
  • Elongation at Break, Typical
  • Reduction of Area
  • Modulus of Elasticity, Typical
  • Fatigue Strength, Limit; test specifics not reported
  • Fatigue Strength, Limit; test specifics not reported
  • Bend Radius, Minimum, Typical; on 0.078 in (2 mm) sheet
  • Electrical Resistivity
  • CTE, linear
  • Thermal Conductivity
  • Melting Point
  • Liquidus
  • Maximum Service Temperature, Air, Long Term
  • Beta Transus
  • Aluminum, Al
  • Carbon, C
  • Hydrogen, H
  • Iron, Fe
  • Molybdenum, Mo
  • Nitrogen, N
  • Oxygen, O
  • Silicon, Si
  • Tin, Sn
  • Titanium, Ti, Calculated as remainder
  • Zirconium, Zr
Property Data

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