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Elmet Technologies
Titanium Ti-5Al-2.5Sn, ELI, Annealed
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy

Material Notes: Annealed 700-870°C for 15 min-4 hr.

Characteristics: High service temperatures (480°C), Intermediate strength, Improved high temperature strength compared to unalloyed Ti, Excellent weld fabricability, Oxidation resistance, Microstructure stability, Nonheat-treatable (contains only iron impurity as a beta-stablizing element)

Applications: Gas turbine engine casings and rings, Aerospace structural members, Chemical processing equipment

Microstructure: Equiaxed alpha - when treated/worked below beta transus, Acicular alpha - when treated/worked above beta transus, Beta (bcc) - small amounts may be present

Forms typically available: Billet, bar, rod, plate, sheet, extrusions, and wire.

1 other heat treatment of this alloy is in MatWeb.

Key Words: UNS R54521 (ELI); Ti-5-2.5
Vendors:
Available Properties
  • Density
  • Hardness, Brinell, Estimated from Rockwell C.
  • Hardness, Knoop, Estimated from Rockwell C.
  • Hardness, Rockwell C
  • Hardness, Vickers, Estimated from Rockwell C.
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Creep Strength, strain 0.2%
  • Tensile Modulus
  • Notched Tensile Strength, Kt (stress concentration factor) = 6.3
  • Poissons Ratio, Typical for alpha titanium alloy.
  • Fatigue Strength
  • Fracture Toughness, KIC
  • Shear Modulus, Standard Ti-5-2.5
  • Charpy Impact, V-notch
  • Electrical Resistivity
  • CTE, linear
  • CTE, linear, average
  • Specific Heat Capacity
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Liquidus
  • Maximum Service Temperature, Air
  • Beta Transus
  • Aluminum, Al
  • Iron, Fe
  • Oxygen, O
  • Tin, Sn
  • Titanium, Ti
  
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