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C63020 Bronze vs. C72500 Copper-nickel

Both C63020 bronze and C72500 copper-nickel are copper alloys. They have 84% of their average alloy composition in common. There are 22 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 C63020 bronze and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 1020
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1070
1130
Melting Onset (Solidus), °C 1020
1060
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 40
54
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.6
Embodied Energy, MJ/kg 58
55
Embodied Water, L/kg 390
320

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
13 to 24
Strength to Weight: Bending, points 27
14 to 21
Thermal Diffusivity, mm2/s 11
16
Thermal Shock Resistance, points 35
14 to 27

Alloy Composition


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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
85.2 to 89.7
Iron (Fe), % 4.0 to 5.5
0 to 0.6
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.2
Nickel (Ni), % 4.2 to 6.0
8.5 to 10.5
Tin (Sn), % 0 to 0.25
1.8 to 2.8
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.2