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5056 Aluminum vs. C43500 Brass

5056 aluminum belongs to the aluminum alloys classification, while C43500 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 5056 aluminum and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Elongation at Break, % 4.9 to 31
8.5 to 46
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
42
Shear Strength, MPa 170 to 240
220 to 310
Tensile Strength: Ultimate (UTS), MPa 290 to 460
320 to 530
Tensile Strength: Yield (Proof), MPa 150 to 410
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 570
970
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
28
Electrical Conductivity: Equal Weight (Specific), % IACS 99
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 9.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
65 to 1040
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 30 to 48
10 to 17
Strength to Weight: Bending, points 36 to 50
12 to 17
Thermal Diffusivity, mm2/s 53
37
Thermal Shock Resistance, points 13 to 20
11 to 18

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
79 to 83
Iron (Fe), % 0 to 0.4
0 to 0.050
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 0 to 0.1
15.4 to 20.4
Residuals, % 0
0 to 0.3