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C37100 Brass vs. 5449 Aluminum

C37100 brass belongs to the copper alloys classification, while 5449 aluminum belongs to the aluminum 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 C37100 brass and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 8.0 to 40
4.0 to 17
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 260 to 300
130 to 190
Tensile Strength: Ultimate (UTS), MPa 370 to 520
210 to 330
Tensile Strength: Yield (Proof), MPa 150 to 390
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 900
650
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
35
Electrical Conductivity: Equal Weight (Specific), % IACS 30
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.0
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
60 to 480
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 13 to 18
22 to 33
Strength to Weight: Bending, points 14 to 18
29 to 39
Thermal Diffusivity, mm2/s 39
56
Thermal Shock Resistance, points 12 to 17
9.4 to 15

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 58 to 62
0 to 0.3
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0.6 to 1.2
0
Magnesium (Mg), % 0
1.6 to 2.6
Manganese (Mn), % 0
0.6 to 1.1
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 36.3 to 41.4
0 to 0.3
Residuals, % 0
0 to 0.15