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EN AC-44400 Aluminum vs. C69430 Brass

EN AC-44400 aluminum belongs to the aluminum alloys classification, while C69430 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-44400 aluminum and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.1
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 210
570
Tensile Strength: Yield (Proof), MPa 110
280

Thermal Properties

Latent Heat of Fusion, J/g 540
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
920
Melting Onset (Solidus), °C 590
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 140
26
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
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 7.8
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1080
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
80
Resilience: Unit (Modulus of Resilience), kJ/m3 85
340
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 54
19
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 31
18
Thermal Diffusivity, mm2/s 60
7.7
Thermal Shock Resistance, points 9.8
20

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 0 to 0.1
80 to 83
Iron (Fe), % 0 to 0.65
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 8.0 to 11
3.5 to 4.5
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
11.4 to 16.5
Residuals, % 0
0 to 0.5