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C63020 Bronze vs. CC767S Brass

Both C63020 bronze and CC767S brass are copper alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.8
34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 1020
430
Tensile Strength: Yield (Proof), MPa 740
150

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 1070
840
Melting Onset (Solidus), °C 1020
790
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 18
21

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
100
Stiffness to Weight: Axial, points 8.0
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 34
15
Strength to Weight: Bending, points 27
16
Thermal Diffusivity, mm2/s 11
34
Thermal Shock Resistance, points 35
14

Alloy Composition


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Aluminum (Al), % 10 to 11
0.1 to 0.8
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
58 to 64
Iron (Fe), % 4.0 to 5.5
0 to 0.5
Lead (Pb), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 4.2 to 6.0
0 to 1.0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0 to 0.25
0 to 0.1
Zinc (Zn), % 0 to 0.3
32.8 to 41.9
Residuals, % 0 to 0.5
0