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5050 Aluminum vs. C85700 Brass

5050 aluminum belongs to the aluminum alloys classification, while C85700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 1.7 to 22
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 140 to 250
310
Tensile Strength: Yield (Proof), MPa 50 to 210
110

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 650
940
Melting Onset (Solidus), °C 630
910
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 190
84
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
22
Electrical Conductivity: Equal Weight (Specific), % IACS 170
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
41
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
59
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 15 to 26
11
Strength to Weight: Bending, points 22 to 33
13
Thermal Diffusivity, mm2/s 79
27
Thermal Shock Resistance, points 6.3 to 11
10

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0 to 0.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
58 to 64
Iron (Fe), % 0 to 0.7
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
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
32 to 40
Residuals, % 0
0 to 1.3