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2117 Aluminum vs. C66200 Brass

2117 aluminum belongs to the aluminum alloys classification, while C66200 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 2117 aluminum and the bottom bar is C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 26
8.0 to 15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Shear Strength, MPa 200
270 to 300
Tensile Strength: Ultimate (UTS), MPa 300
450 to 520
Tensile Strength: Yield (Proof), MPa 170
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 650
1070
Melting Onset (Solidus), °C 550
1030
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
35
Electrical Conductivity: Equal Weight (Specific), % IACS 120
36

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 190
760 to 1030
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 28
14 to 17
Strength to Weight: Bending, points 33
15 to 16
Thermal Diffusivity, mm2/s 59
45
Thermal Shock Resistance, points 12
16 to 18

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
86.6 to 91
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
0.3 to 1.0
Phosphorus (P), % 0
0.050 to 0.2
Silicon (Si), % 0.2 to 0.8
0
Tin (Sn), % 0
0.2 to 0.7
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
6.5 to 12.9
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5