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Type 3 Niobium vs. C54400 Bronze

Type 3 niobium belongs to the otherwise unclassified metals classification, while C54400 bronze belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Type 3 niobium and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
40
Tensile Strength: Ultimate (UTS), MPa 220
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Specific Heat Capacity, J/kg-K 270
370
Thermal Conductivity, W/m-K 42
86
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.9
Embodied Water, L/kg 160
340

Common Calculations

Stiffness to Weight: Axial, points 6.8
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.2
10 to 22
Strength to Weight: Bending, points 9.5
12 to 20
Thermal Diffusivity, mm2/s 18
26
Thermal Shock Resistance, points 21
12 to 26

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
85.4 to 91.5
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
3.5 to 4.5
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0
Niobium (Nb), % 98.6 to 99.2
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0.010 to 0.5
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
3.5 to 4.5
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
1.5 to 4.5
Zirconium (Zr), % 0.8 to 1.2
0
Residuals, % 0
0 to 0.5