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Rulon Bearings
Titanium Ti-6Al-4V (Grade 5), STA
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Beta Titanium Alloy

Material Notes: Information provided by Allvac and the references. Solution Treated 900-955ºC, Aged 540ºC. Alpha-Beta Alloy.

Applications: Blades, discs, rings, airframe, fasteners, components. Vessels, cases, hubs, forgings. Biomedical implants.

Biocompatibility: Excellent, especially when direct contact with tissue or bone is required. Ti-6Al-4V's poor shear strength makes it undesirable for bone screws or plates. It has poor surface wear properties and tends to seize when in sliding contact with itself and other metals. Surface treatments such as nitriding and oxidizing can improve the surface wear properties.

4 other heat treatments of this alloy are listed in MatWeb.

Key Words: Ti-6-4; UNS R56400; ASTM Grade 5 titanium; Ti6Al4V, Ti64, biomaterials, biomedical implants, biocompatibility
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 0.1%
  • Creep Strength, strain 1%
  • Creep Strength, strain 0.1%
  • Creep Strength, strain 1%
  • Rupture Strength
  • Rupture Strength
  • Modulus of Elasticity, Average of tension and compression
  • Compressive Yield Strength
  • Notched Tensile Strength, Kt (stress concentration factor) = 6.7
  • Ultimate Bearing Strength, e/D = 2
  • Bearing Yield Strength, e/D = 2
  • Poissons Ratio
  • Fatigue Strength, Kt (stress concentration factor) = 3.3
  • Fatigue Strength, notched bar
  • Fatigue Strength, notched bar
  • Fatigue Strength, smooth bar
  • Fatigue Strength, Unnotched
  • Fatigue Strength, smooth bar
  • Fracture Toughness
  • Fracture Toughness
  • Shear Modulus
  • Shear Strength, Ultimate shear strength
  • Charpy Impact, V-notch
  • Electrical Resistivity
  • Magnetic Permeability, at 1.6 kA/m
  • Magnetic Susceptibility, cgs/g
  • CTE, linear
  • CTE, linear, average
  • CTE, linear, average
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
  • Beta Transus
  • Aluminum, Al
  • Carbon, C
  • Hydrogen, H
  • Iron, Fe
  • Nitrogen, N
  • Other, each
  • Other, total
  • Oxygen, O
  • Titanium, Ti, As Balance; Elemental Composition per ASTM B265
  • Vanadium, V
Property Data

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