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Type 1 Niobium vs. C65500 Bronze

Type 1 niobium belongs to the otherwise unclassified metals classification, while C65500 bronze belongs to the copper alloys. 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 Type 1 niobium and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 29
4.0 to 70
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 140
360 to 760
Tensile Strength: Yield (Proof), MPa 82
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Specific Heat Capacity, J/kg-K 270
400
Thermal Conductivity, W/m-K 52
36
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.6
Embodied Water, L/kg 160
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 32
62 to 790
Stiffness to Weight: Axial, points 6.8
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 4.6
12 to 24
Strength to Weight: Bending, points 7.1
13 to 21
Thermal Diffusivity, mm2/s 23
10
Thermal Shock Resistance, points 13
12 to 26

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
91.5 to 96.7
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.5 to 1.3
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 0.6
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
2.8 to 3.8
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.5
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5