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C67600 Bronze vs. Type 1 Niobium

C67600 bronze belongs to the copper alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. 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 C67600 bronze and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 13 to 33
29
Poisson's Ratio 0.31
0.4
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 430 to 570
140
Tensile Strength: Yield (Proof), MPa 170 to 380
82

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Specific Heat Capacity, J/kg-K 380
270
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 21
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.6
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
32
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
4.6
Strength to Weight: Bending, points 16 to 19
7.1
Thermal Diffusivity, mm2/s 35
23
Thermal Shock Resistance, points 14 to 19
13

Alloy Composition

Carbon (C), % 0
0 to 0.010
Copper (Cu), % 57 to 60
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0.4 to 1.3
0 to 0.0050
Lead (Pb), % 0.5 to 1.0
0
Manganese (Mn), % 0.050 to 0.5
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.1
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zinc (Zn), % 35.2 to 41.6
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0