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7049A Aluminum vs. C67000 Bronze

7049A aluminum belongs to the aluminum alloys classification, while C67000 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 C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
5.6 to 11
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 27
42
Shear Strength, MPa 340 to 350
390 to 510
Tensile Strength: Ultimate (UTS), MPa 580 to 590
660 to 880
Tensile Strength: Yield (Proof), MPa 500 to 530
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 370
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 430
850
Specific Heat Capacity, J/kg-K 850
410
Thermal Conductivity, W/m-K 130
99
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
22
Electrical Conductivity: Equal Weight (Specific), % IACS 120
25

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.2
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1100
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
560 to 1290
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 44
20
Strength to Weight: Axial, points 52 to 53
23 to 31
Strength to Weight: Bending, points 50 to 51
21 to 26
Thermal Diffusivity, mm2/s 50
30
Thermal Shock Resistance, points 25
21 to 29

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
3.0 to 6.0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
63 to 68
Iron (Fe), % 0 to 0.5
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
2.5 to 5.0
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
21.8 to 32.5
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5