Titanium 6-7 (R56700)
Titanium Alloys
Property Overview
Density5.1g/cm³
Elastic Modulus120GPa
Tensile Strength1020MPa
Yield Strength900MPa
Brinell HardnessUnknown
Maximum Service Temperature300°C
Chemical Composition
C
0 to 0.080%
MO
6.5 to 7.5%
N
0 to 0.050%
NB
6.5 to 7.5%
TI
84.9 to 88%
AL
5.5 to 6.5%
H
0 to 0.0090%
O
0 to 0.2%
TA
0 to 0.5%
FE
0 to 0.25%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
11 %
Fatigue Strength
530 MPa
Poisson's Ratio
0.33
Reduction in Area
29 %
Shear Modulus
45 GPa
Shear Strength
610 MPa
Tensile Strength: Ultimate (UTS)
1020 MPa
Tensile Strength: Yield (Proof)
900 MPa
Physical
Density
5.1 g/cm 3
Thermal
Latent Heat of Fusion
410 J/g
Maximum Temperature: Mechanical
300 °C
Melting Completion (Liquidus)
1700 °C
Melting Onset (Solidus)
1650 °C
Specific Heat Capacity
520 J/kg-K
Thermal Expansion
9.3 µm/m-K
Thermal Shock Resistance
66 points
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
3460 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
32 points
Strength to Weight: Axial
56 points
Strength to Weight: Bending
44 points
Environmental
Base Metal Price
75 % relative
Embodied Carbon
34 kg CO 2 /kg material
Embodied Energy
540 MJ/kg
Embodied Energy
540 MJ/kg 230 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 23 gal/lb
Registered Designations & Aliases
R56700Titanium 6-7 (R56700)
Standards
ASTM F1295 ASTM F1295: Standard Specification for Wrought Titanium-6 Aluminum-7 Niobium Alloy for Surgical Implant Applications (UNS R56700)
ASTM F1295 ASTM F1295: Standard Specification for Wrought Titanium-6 Aluminum-7 Niobium Alloy for Surgical Implant Applications (UNS R56700) Titanium and Titanium Alloys: Fundamentals and Applications, Christoph Leyens and Manfred Peters (editors), 2003 Titanium, 2nd ed., G. Lutjering and J. C. Williams, 2007