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7049A Aluminum vs. C67500 Bronze

7049A aluminum belongs to the aluminum alloys classification, while C67500 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 7049A aluminum and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 5.0 to 5.7
14 to 33
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 27
40
Shear Strength, MPa 340 to 350
270 to 350
Tensile Strength: Ultimate (UTS), MPa 580 to 590
430 to 580
Tensile Strength: Yield (Proof), MPa 500 to 530
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 370
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
890
Melting Onset (Solidus), °C 430
870
Specific Heat Capacity, J/kg-K 850
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
27

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.1
8.0
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
130 to 650
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 44
20
Strength to Weight: Axial, points 52 to 53
15 to 20
Strength to Weight: Bending, points 50 to 51
16 to 19
Thermal Diffusivity, mm2/s 50
34
Thermal Shock Resistance, points 25
14 to 19

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0 to 0.25
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
57 to 60
Iron (Fe), % 0 to 0.5
0.8 to 2.0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0.050 to 0.5
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0.5 to 1.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
35.1 to 41.7
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5