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Type 1 Niobium vs. C62400 Bronze

Type 1 niobium belongs to the otherwise unclassified metals classification, while C62400 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
11 to 14
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
42
Tensile Strength: Ultimate (UTS), MPa 140
690 to 730
Tensile Strength: Yield (Proof), MPa 82
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 52
59
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.2
Embodied Water, L/kg 160
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 32
320 to 550
Stiffness to Weight: Axial, points 6.8
7.6
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 4.6
23 to 25
Strength to Weight: Bending, points 7.1
21 to 22
Thermal Diffusivity, mm2/s 23
16
Thermal Shock Resistance, points 13
25 to 26

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
82.8 to 88
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
2.0 to 4.5
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0
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
0 to 0.25
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5