Titanium (commercially pure)

Commonly used for airframe skins, heat exchangers, cryogenic vessels, components for CPI equipment, condenser tubing, exhaust pipe shrouds.

Also known as:

  • Grade 3 Titanium

Materials Science

components:

Element Minimum Percent Maximum Percent
  • 0.1 %
  • 0.01 %
  • 0.3 %
  • 99.1 %
  • 0.05 %
  • 0.35 %
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Density:

  • 4.5 g/cc (4500 kg/m³ )

Specific Heat Capacity:

  • 0.523 J/(g·K)

Heat of Fusion:

  • 325 J (2030000000000000 MeV )

Thermal conductivity:

  • 19.9 W/(m·K)
  • 16.4 W/(m·K)

Coefficient of Thermal Expansion:

  • 8.6 1/K

Modulus of Elasticity:

  • 105 GPa (1050000 bar )
  • 104 GPa (1040000 bar )

Ultimate Tensile Strength:

strength condition
  • 440 MPa (4400 bar )
  • 520 MPa (5200 bar )
  • annealed
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Elongation at Break:

percentage condition
  • 18 %
  • 25 %
  • annealed
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Tensile Yield Strength:

strength condition
  • 450 MPa (4500 bar )
  • annealed
  • 337 MPa (3370 bar )
  • min
  • 520 MPa (5200 bar )
  • max
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Compressive Yield Strength:

  • 450 MPa (4500 bar )

Ultimate Bearing Strength:

strength condition
  • 920 MPa (9200 bar )
  • annealed
  • 1,000 MPa (10000 bar )
  • cold-worked
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Bearing Yield Strength:

strength condition
  • 650 MPa (6500 bar )
  • annealed
  • 900 MPa (9000 bar )
  • cold-worked
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Fatigue Strength:

strength condition
  • 250 MPa (2500 bar )
  • annealed
  • Kt (stress concentration factor) = 2.7
  • 340 MPa (3400 bar )
  • annealed
  • unnotched
  • 240 MPa (2400 bar )
  • R = -1
  • 289 MPa (2890 bar )
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Reduction of Area:

  • 35 %

Poissons Ratio:

  • 0.37

Shear Modulus:

  • 45 GPa (450000 bar )
  • 39 GPa (390000 bar )

Hardness, Brinell:

measure condition
  • 225
  • annealed
  • 266
  • annealed, estimated from Rockwell C
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Hardness, Knoop:

measure condition
  • 220
  • welded
  • 289
  • estimated from Rockwell C
  • annealed
  • 175
  • unwelded sample
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Hardness, Rockwell B:

measure condition
  • 90
  • annealed

Hardness, Rockwell C:

measure condition
  • 26
  • annealed
  • 16
  • estimated from Brinell
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Hardness, Vickers:

measure condition
  • 280
  • annealed
  • estimated from Rockwell C

Charpy Impact Strength:

impact strength condition
  • 66 J (410000000000000 MeV )
  • max, V-notch
  • 30 J (190000000000000 MeV )
  • min, V-notch
  • 27 J (170000000000000 MeV )
  • annealed, V-notch
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Electrical Resistivity:

  • 0.00005

Reflectivity:

measurement condition
  • 0.56
  • visible light
  • high purity Ti

Emmisivity:

measurement condition
  • 0.3
  • at 710 degrees celsius
  • high purity Ti
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