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7116 Aluminum vs. C34500 Brass

7116 aluminum belongs to the aluminum alloys classification, while C34500 brass 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 7116 aluminum and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 7.8
12 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 220
220 to 260
Tensile Strength: Ultimate (UTS), MPa 370
340 to 430
Tensile Strength: Yield (Proof), MPa 330
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 640
910
Melting Onset (Solidus), °C 520
890
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 790
69 to 160
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 35
12 to 15
Strength to Weight: Bending, points 39
13 to 16
Thermal Diffusivity, mm2/s 58
37
Thermal Shock Resistance, points 16
11 to 14

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
0
Copper (Cu), % 0.5 to 1.1
62 to 65
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
32 to 36.5
Residuals, % 0
0 to 0.4