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5051A Aluminum vs. C32000 Brass

5051A aluminum belongs to the aluminum alloys classification, while C32000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 5051A aluminum and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 18 to 21
6.8 to 29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
41
Shear Strength, MPa 110
180 to 280
Tensile Strength: Ultimate (UTS), MPa 170
270 to 470
Tensile Strength: Yield (Proof), MPa 56
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
1020
Melting Onset (Solidus), °C 610
990
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
36
Electrical Conductivity: Equal Weight (Specific), % IACS 130
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.5
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 23
28 to 680
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 17 to 18
8.8 to 15
Strength to Weight: Bending, points 25
11 to 16
Thermal Diffusivity, mm2/s 63
47
Thermal Shock Resistance, points 7.6
9.5 to 16

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.050
83.5 to 86.5
Iron (Fe), % 0 to 0.45
0 to 0.1
Lead (Pb), % 0
1.5 to 2.2
Magnesium (Mg), % 1.4 to 2.1
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
10.6 to 15
Residuals, % 0
0 to 0.4