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C87800 Brass vs. 7116 Aluminum

C87800 brass belongs to the copper alloys classification, while 7116 aluminum belongs to the aluminum 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 C87800 brass and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 25
7.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 590
370
Tensile Strength: Yield (Proof), MPa 350
330

Thermal Properties

Latent Heat of Fusion, J/g 260
380
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 820
520
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 28
150
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
46
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
28
Resilience: Unit (Modulus of Resilience), kJ/m3 540
790
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 20
35
Strength to Weight: Bending, points 19
39
Thermal Diffusivity, mm2/s 8.3
58
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0 to 0.15
91.5 to 94.5
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.010
0.8 to 1.4
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
0 to 0.15
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 12 to 16
4.2 to 5.2
Residuals, % 0
0 to 0.15