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5050 Aluminum vs. C85400 Brass

5050 aluminum belongs to the aluminum alloys classification, while C85400 brass belongs to the copper alloys. There are 29 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 5050 aluminum and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 36 to 68
55
Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 1.7 to 22
23
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 140 to 250
220
Tensile Strength: Yield (Proof), MPa 50 to 210
85

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 630
940
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 190
89
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
20
Electrical Conductivity: Equal Weight (Specific), % IACS 170
22

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
40
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
35
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 15 to 26
7.5
Strength to Weight: Bending, points 22 to 33
9.9
Thermal Diffusivity, mm2/s 79
28
Thermal Shock Resistance, points 6.3 to 11
7.6

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0 to 0.35
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
65 to 70
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0
1.5 to 3.8
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0 to 0.4
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0 to 0.25
24 to 32
Residuals, % 0
0 to 1.1