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Titanium 6-7 vs. Type 1 Niobium

Titanium 6-7 belongs to the titanium alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 11
29
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 45
38
Tensile Strength: Ultimate (UTS), MPa 1020
140
Tensile Strength: Yield (Proof), MPa 900
82

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Specific Heat Capacity, J/kg-K 520
270
Thermal Expansion, µm/m-K 9.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 5.1
8.6
Embodied Water, L/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
32
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 32
18
Strength to Weight: Axial, points 56
4.6
Strength to Weight: Bending, points 44
7.1
Thermal Shock Resistance, points 66
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.010
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0 to 0.0090
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.0050
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 6.5 to 7.5
99.7 to 100
Nitrogen (N), % 0 to 0.050
0 to 0.010
Oxygen (O), % 0 to 0.2
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0 to 0.5
0 to 0.1
Titanium (Ti), % 84.9 to 88
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.020