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EN AC-44400 Aluminum vs. C66900 Brass

EN AC-44400 aluminum belongs to the aluminum alloys classification, while C66900 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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-44400 aluminum and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 4.1
1.1 to 26
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 210
460 to 770
Tensile Strength: Yield (Proof), MPa 110
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 540
190
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 600
860
Melting Onset (Solidus), °C 590
850
Specific Heat Capacity, J/kg-K 900
400
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.6
8.2
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1080
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 85
460 to 2450
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 54
20
Strength to Weight: Axial, points 23
15 to 26
Strength to Weight: Bending, points 31
16 to 23
Thermal Shock Resistance, points 9.8
14 to 23

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
62.5 to 64.5
Iron (Fe), % 0 to 0.65
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.050
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
11.5 to 12.5
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
22.5 to 26
Residuals, % 0
0 to 0.2