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7076 Aluminum vs. C62400 Bronze

7076 aluminum belongs to the aluminum alloys classification, while C62400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 7076 aluminum and the bottom bar is C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.2
11 to 14
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
42
Shear Strength, MPa 310
420 to 440
Tensile Strength: Ultimate (UTS), MPa 530
690 to 730
Tensile Strength: Yield (Proof), MPa 460
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 380
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 630
1040
Melting Onset (Solidus), °C 460
1030
Specific Heat Capacity, J/kg-K 860
440
Thermal Conductivity, W/m-K 140
59
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
12
Electrical Conductivity: Equal Weight (Specific), % IACS 100
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
3.2
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1110
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
320 to 550
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 49
23 to 25
Strength to Weight: Bending, points 48
21 to 22
Thermal Diffusivity, mm2/s 54
16
Thermal Shock Resistance, points 23
25 to 26

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
10 to 11.5
Copper (Cu), % 0.3 to 1.0
82.8 to 88
Iron (Fe), % 0 to 0.6
2.0 to 4.5
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
0 to 0.3
Silicon (Si), % 0 to 0.4
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
0
Residuals, % 0
0 to 0.5