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C99750 Brass vs. 7116 Aluminum

C99750 brass belongs to the copper alloys classification, while 7116 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C99750 brass and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
69
Elongation at Break, % 20 to 30
7.8
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 48
26
Tensile Strength: Ultimate (UTS), MPa 450 to 520
370
Tensile Strength: Yield (Proof), MPa 220 to 280
330

Thermal Properties

Latent Heat of Fusion, J/g 200
380
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 840
640
Melting Onset (Solidus), °C 820
520
Specific Heat Capacity, J/kg-K 410
880
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
46
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.1
2.9
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
28
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
790
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 21
47
Strength to Weight: Axial, points 15 to 18
35
Strength to Weight: Bending, points 16 to 18
39
Thermal Shock Resistance, points 13 to 15
16

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
91.5 to 94.5
Copper (Cu), % 55 to 61
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0.5 to 2.5
0
Magnesium (Mg), % 0
0.8 to 1.4
Manganese (Mn), % 17 to 23
0 to 0.050
Nickel (Ni), % 0 to 5.0
0
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 17 to 23
4.2 to 5.2
Residuals, % 0
0 to 0.15