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7049 Aluminum vs. C52100 Bronze

7049 aluminum belongs to the aluminum alloys classification, while C52100 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 7049 aluminum and the bottom bar is C52100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 510 to 530
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 370
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 480
880
Specific Heat Capacity, J/kg-K 860
370
Thermal Conductivity, W/m-K 130
62
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
13
Electrical Conductivity: Equal Weight (Specific), % IACS 110
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
34
Density, g/cm3 3.1
8.8
Embodied Carbon, kg CO2/kg material 8.1
3.4
Embodied Energy, MJ/kg 140
55
Embodied Water, L/kg 1110
370

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 46 to 47
12 to 25
Strength to Weight: Bending, points 46 to 47
13 to 22
Thermal Diffusivity, mm2/s 51
19
Thermal Shock Resistance, points 22 to 23
14 to 28

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
89.8 to 93
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.25
0
Tin (Sn), % 0
7.0 to 9.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0 to 0.2
Residuals, % 0
0 to 0.5