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Type 1 Niobium vs. C40500 Penny Bronze

Type 1 niobium belongs to the otherwise unclassified metals classification, while C40500 penny 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 C40500 penny bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
3.0 to 49
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 140
270 to 540
Tensile Strength: Yield (Proof), MPa 82
79 to 520

Thermal Properties

Latent Heat of Fusion, J/g 320
200
Specific Heat Capacity, J/kg-K 270
380
Thermal Conductivity, W/m-K 52
160
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.8
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
16 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 32
28 to 1200
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 4.6
8.5 to 17
Strength to Weight: Bending, points 7.1
10 to 17
Thermal Diffusivity, mm2/s 23
48
Thermal Shock Resistance, points 13
9.5 to 19

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
94 to 96
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.050
Lead (Pb), % 0
0 to 0.050
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
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0.7 to 1.3
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
2.1 to 5.3
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.5