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2014 Aluminum vs. C66900 Brass

2014 aluminum belongs to the aluminum alloys classification, while C66900 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 2014 aluminum and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.5 to 16
1.1 to 26
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
45
Shear Strength, MPa 130 to 290
290 to 440
Tensile Strength: Ultimate (UTS), MPa 190 to 500
460 to 770
Tensile Strength: Yield (Proof), MPa 100 to 440
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 630
860
Melting Onset (Solidus), °C 510
850
Specific Heat Capacity, J/kg-K 870
400
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
460 to 2450
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 18 to 46
15 to 26
Strength to Weight: Bending, points 25 to 46
16 to 23
Thermal Shock Resistance, points 8.4 to 22
14 to 23

Alloy Composition

Aluminum (Al), % 90.4 to 95
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
62.5 to 64.5
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.4 to 1.2
11.5 to 12.5
Silicon (Si), % 0.5 to 1.2
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
22.5 to 26
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.2