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7108A Aluminum vs. C37100 Brass

7108A 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 7108A aluminum and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 11 to 13
8.0 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 210
260 to 300
Tensile Strength: Ultimate (UTS), MPa 350
370 to 520
Tensile Strength: Yield (Proof), MPa 290 to 300
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 630
900
Melting Onset (Solidus), °C 520
890
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
30

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 2.9
8.0
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
110 to 750
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 33 to 34
13 to 18
Strength to Weight: Bending, points 38
14 to 18
Thermal Diffusivity, mm2/s 59
39
Thermal Shock Resistance, points 15 to 16
12 to 17

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
58 to 62
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
36.3 to 41.4
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.4