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7022 Aluminum vs. CC494K Bronze

7022 aluminum belongs to the aluminum alloys classification, while CC494K 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 7022 aluminum and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.3 to 8.0
7.6
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 490 to 540
210
Tensile Strength: Yield (Proof), MPa 390 to 460
94

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 640
970
Melting Onset (Solidus), °C 480
890
Specific Heat Capacity, J/kg-K 870
360
Thermal Conductivity, W/m-K 140
63
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
16
Electrical Conductivity: Equal Weight (Specific), % IACS 65
16

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.9
9.1
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1130
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
13
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
43
Stiffness to Weight: Axial, points 13
6.4
Stiffness to Weight: Bending, points 47
17
Strength to Weight: Axial, points 47 to 51
6.5
Strength to Weight: Bending, points 47 to 50
8.8
Thermal Diffusivity, mm2/s 54
19
Thermal Shock Resistance, points 21 to 23
7.8

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0.5 to 1.0
78 to 87
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.5
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 4.3 to 5.2
0 to 2.0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0