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C87600 Bronze vs. 7050 Aluminum

C87600 bronze belongs to the copper alloys classification, while 7050 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C87600 bronze and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 18
2.2 to 12
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 470
490 to 570
Tensile Strength: Yield (Proof), MPa 230
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 280
370
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 970
630
Melting Onset (Solidus), °C 860
490
Specific Heat Capacity, J/kg-K 410
860
Thermal Conductivity, W/m-K 28
140
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
100

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.5
3.1
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 300
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1110 to 1760
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 16
45 to 51
Strength to Weight: Bending, points 16
45 to 50
Thermal Diffusivity, mm2/s 8.1
54
Thermal Shock Resistance, points 17
21 to 25

Alloy Composition

Aluminum (Al), % 0
87.3 to 92.1
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 88 to 92.5
2.0 to 2.6
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 3.5 to 5.5
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 4.0 to 7.0
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15