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7050 Aluminum vs. C62400 Bronze

7050 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 (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 7050 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, % 2.2 to 12
11 to 14
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
42
Shear Strength, MPa 280 to 330
420 to 440
Tensile Strength: Ultimate (UTS), MPa 490 to 570
690 to 730
Tensile Strength: Yield (Proof), MPa 390 to 500
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 370
230
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 630
1040
Melting Onset (Solidus), °C 490
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 10
27
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1120
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
320 to 550
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 45 to 51
23 to 25
Strength to Weight: Bending, points 45 to 50
21 to 22
Thermal Diffusivity, mm2/s 54
16
Thermal Shock Resistance, points 21 to 25
25 to 26

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
10 to 11.5
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 2.0 to 2.6
82.8 to 88
Iron (Fe), % 0 to 0.15
2.0 to 4.5
Magnesium (Mg), % 1.9 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.12
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.080 to 0.15
0
Residuals, % 0
0 to 0.5