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C63020 Bronze vs. C72900 Copper-nickel

Both C63020 bronze and C72900 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.8
6.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
45
Shear Strength, MPa 600
540 to 630
Tensile Strength: Ultimate (UTS), MPa 1020
870 to 1080
Tensile Strength: Yield (Proof), MPa 740
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1070
1120
Melting Onset (Solidus), °C 1020
950
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 40
29
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
39
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 3.6
4.6
Embodied Energy, MJ/kg 58
72
Embodied Water, L/kg 390
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
2030 to 3490
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
27 to 34
Strength to Weight: Bending, points 27
23 to 27
Thermal Diffusivity, mm2/s 11
8.6
Thermal Shock Resistance, points 35
31 to 38

Alloy Composition

Aluminum (Al), % 10 to 11
0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
74.1 to 78
Iron (Fe), % 4.0 to 5.5
0 to 0.5
Lead (Pb), % 0 to 0.030
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 1.5
0 to 0.3
Nickel (Ni), % 4.2 to 6.0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Tin (Sn), % 0 to 0.25
7.5 to 8.5
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.3