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7049A Aluminum vs. C95200 Bronze

7049A aluminum belongs to the aluminum alloys classification, while C95200 bronze belongs to the copper alloys. There are 28 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 7049A aluminum and the bottom bar is C95200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
29
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 580 to 590
520
Tensile Strength: Yield (Proof), MPa 500 to 530
190

Thermal Properties

Latent Heat of Fusion, J/g 370
230
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 430
1040
Specific Heat Capacity, J/kg-K 850
430
Thermal Conductivity, W/m-K 130
50
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
170
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 52 to 53
17
Strength to Weight: Bending, points 50 to 51
17
Thermal Diffusivity, mm2/s 50
14
Thermal Shock Resistance, points 25
19

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
8.5 to 9.5
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
86 to 89
Iron (Fe), % 0 to 0.5
2.5 to 4.0
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 1.0