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Type 4 Niobium vs. C95800 Bronze

Type 4 niobium belongs to the otherwise unclassified metals classification, while C95800 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is Type 4 niobium and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 23
22
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
44
Tensile Strength: Ultimate (UTS), MPa 220
660
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 42
36
Thermal Expansion, µm/m-K 7.3
17

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.3
Embodied Water, L/kg 160
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
110
Resilience: Unit (Modulus of Resilience), kJ/m3 93
310
Stiffness to Weight: Axial, points 6.8
7.9
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.2
22
Strength to Weight: Bending, points 9.5
20
Thermal Diffusivity, mm2/s 18
9.9
Thermal Shock Resistance, points 21
23

Alloy Composition

Aluminum (Al), % 0
8.5 to 9.5
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
79 to 83.2
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
3.5 to 4.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.0050
4.0 to 5.0
Niobium (Nb), % 98.1 to 99.2
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Silicon (Si), % 0 to 0.0050
0 to 0.1
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.050
0
Zirconium (Zr), % 0.8 to 1.2
0
Residuals, % 0
0 to 0.5