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7022 Aluminum vs. C37100 Brass

7022 aluminum belongs to the aluminum alloys classification, while C37100 brass 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 7022 aluminum and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.3 to 8.0
8.0 to 40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 290 to 320
260 to 300
Tensile Strength: Ultimate (UTS), MPa 490 to 540
370 to 520
Tensile Strength: Yield (Proof), MPa 390 to 460
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 480
890
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
27
Electrical Conductivity: Equal Weight (Specific), % IACS 65
30

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 2.9
8.0
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
110 to 750
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 47 to 51
13 to 18
Strength to Weight: Bending, points 47 to 50
14 to 18
Thermal Diffusivity, mm2/s 54
39
Thermal Shock Resistance, points 21 to 23
12 to 17

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0.5 to 1.0
58 to 62
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0
Silicon (Si), % 0 to 0.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 4.3 to 5.2
36.3 to 41.4
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.4