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C61500 Bronze vs. 7075 Aluminum

C61500 bronze belongs to the copper alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C61500 bronze and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 3.0 to 55
1.8 to 12
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
26
Shear Strength, MPa 350 to 550
150 to 340
Tensile Strength: Ultimate (UTS), MPa 480 to 970
240 to 590
Tensile Strength: Yield (Proof), MPa 150 to 720
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 220
380
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 1030
480
Specific Heat Capacity, J/kg-K 430
870
Thermal Conductivity, W/m-K 58
130
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
33
Electrical Conductivity: Equal Weight (Specific), % IACS 13
98

Otherwise Unclassified Properties

Base Metal Price, % relative 29
10
Density, g/cm3 8.4
3.0
Embodied Carbon, kg CO2/kg material 3.2
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 380
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 200
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 2310
110 to 1870
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 16 to 32
22 to 54
Strength to Weight: Bending, points 16 to 26
28 to 52
Thermal Diffusivity, mm2/s 16
50
Thermal Shock Resistance, points 17 to 34
10 to 25

Alloy Composition

Aluminum (Al), % 7.7 to 8.3
86.9 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 89 to 90.5
1.2 to 2.0
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.015
0
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 1.8 to 2.2
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15