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Type 4 Niobium vs. C95400 Bronze

Type 4 niobium belongs to the otherwise unclassified metals classification, while C95400 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 4 niobium and the bottom bar is C95400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 23
8.1 to 16
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 38
43
Tensile Strength: Ultimate (UTS), MPa 220
600 to 710
Tensile Strength: Yield (Proof), MPa 140
240 to 360

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 42
59
Thermal Expansion, µm/m-K 7.3
18

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.2
Embodied Water, L/kg 160
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
48 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 93
250 to 560
Stiffness to Weight: Axial, points 6.8
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.2
20 to 24
Strength to Weight: Bending, points 9.5
19 to 22
Thermal Diffusivity, mm2/s 18
16
Thermal Shock Resistance, points 21
21 to 25

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
83 to 87
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
3.0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.0050
0 to 1.5
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
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