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R56401 Titanium vs. Type 1 Niobium

R56401 titanium belongs to the titanium alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 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 R56401 titanium and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.1
29
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 940
140
Tensile Strength: Yield (Proof), MPa 850
82

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Specific Heat Capacity, J/kg-K 560
270
Thermal Conductivity, W/m-K 7.1
52
Thermal Expansion, µm/m-K 9.6
7.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.6
Embodied Water, L/kg 200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
35
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
32
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 59
4.6
Strength to Weight: Bending, points 48
7.1
Thermal Diffusivity, mm2/s 2.9
23
Thermal Shock Resistance, points 67
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 0.012
0 to 0.0015
Iron (Fe), % 0 to 0.25
0 to 0.0050
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0 to 0.050
0 to 0.010
Oxygen (O), % 0 to 0.13
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 88.5 to 91
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Vanadium (V), % 3.5 to 4.5
0
Zirconium (Zr), % 0
0 to 0.020