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EN AC-44000 Aluminum vs. C66700 Brass

EN AC-44000 aluminum belongs to the aluminum alloys classification, while C66700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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-44000 aluminum and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 7.3
2.0 to 58
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 180
340 to 690
Tensile Strength: Yield (Proof), MPa 86
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 560
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 590
1090
Melting Onset (Solidus), °C 590
1050
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 140
97
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
17
Electrical Conductivity: Equal Weight (Specific), % IACS 130
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
8.2
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1070
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 51
49 to 1900
Stiffness to Weight: Axial, points 16
7.3
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 20
11 to 23
Strength to Weight: Bending, points 28
13 to 21
Thermal Diffusivity, mm2/s 61
30
Thermal Shock Resistance, points 8.4
11 to 23

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Copper (Cu), % 0 to 0.050
68.5 to 71.5
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.8 to 1.5
Silicon (Si), % 10 to 11.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
26.3 to 30.7
Residuals, % 0 to 0.1
0 to 0.5