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EN AC-51500 Aluminum vs. C69400 Brass

EN AC-51500 aluminum belongs to the aluminum alloys classification, while C69400 brass belongs to the copper alloys. There are 28 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 EN AC-51500 aluminum and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 5.6
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 280
570
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 430
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
920
Melting Onset (Solidus), °C 590
820
Specific Heat Capacity, J/kg-K 910
410
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 88
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.6
8.3
Embodied Carbon, kg CO2/kg material 9.0
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 36
18
Thermal Diffusivity, mm2/s 49
7.7
Thermal Shock Resistance, points 13
20

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Copper (Cu), % 0 to 0.050
80 to 83
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 1.8 to 2.6
3.5 to 4.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
11.5 to 16.5
Residuals, % 0
0 to 0.5