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C82700 Copper vs. C63020 Bronze

Both C82700 copper and C63020 bronze are copper alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 1.8
6.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
44
Tensile Strength: Ultimate (UTS), MPa 1200
1020
Tensile Strength: Yield (Proof), MPa 1020
740

Thermal Properties

Latent Heat of Fusion, J/g 240
230
Maximum Temperature: Mechanical, °C 300
230
Melting Completion (Liquidus), °C 950
1070
Melting Onset (Solidus), °C 860
1020
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 180
58
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
63
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
2320
Stiffness to Weight: Axial, points 7.8
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 38
34
Strength to Weight: Bending, points 29
27
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 41
35

Alloy Composition


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Aluminum (Al), % 0 to 0.15
10 to 11
Beryllium (Be), % 2.4 to 2.6
0
Chromium (Cr), % 0 to 0.090
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 94.6 to 96.7
74.7 to 81.8
Iron (Fe), % 0 to 0.25
4.0 to 5.5
Lead (Pb), % 0 to 0.020
0 to 0.030
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 1.0 to 1.5
4.2 to 6.0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0 to 0.5
0 to 0.5