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C36200 Brass vs. 7108 Aluminum

C36200 brass belongs to the copper alloys classification, while 7108 aluminum belongs to the aluminum 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 C36200 brass and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 20 to 53
11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
26
Shear Strength, MPa 210 to 240
210
Tensile Strength: Ultimate (UTS), MPa 340 to 420
350
Tensile Strength: Yield (Proof), MPa 130 to 360
290

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 900
630
Melting Onset (Solidus), °C 890
530
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
39
Electrical Conductivity: Equal Weight (Specific), % IACS 28
120

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 140
38
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 630
620
Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 11 to 14
34
Strength to Weight: Bending, points 13 to 15
38
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 11 to 14
16

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.7
Copper (Cu), % 60 to 63
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 3.5 to 4.5
0
Magnesium (Mg), % 0
0.7 to 1.4
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 32.4 to 36.5
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15