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EN AC-44400 Aluminum vs. C46400 Brass

EN AC-44400 aluminum belongs to the aluminum alloys classification, while C46400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 4.1
17 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 210
400 to 500
Tensile Strength: Yield (Proof), MPa 110
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 540
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 600
900
Melting Onset (Solidus), °C 590
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
26
Electrical Conductivity: Equal Weight (Specific), % IACS 110
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1080
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 85
120 to 500
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 54
20
Strength to Weight: Axial, points 23
14 to 17
Strength to Weight: Bending, points 31
15 to 17
Thermal Diffusivity, mm2/s 60
38
Thermal Shock Resistance, points 9.8
13 to 16

Alloy Composition

Aluminum (Al), % 87.1 to 92
0
Copper (Cu), % 0 to 0.1
59 to 62
Iron (Fe), % 0 to 0.65
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.2
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
0
Tin (Sn), % 0 to 0.050
0.5 to 1.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
36.3 to 40.5
Residuals, % 0
0 to 0.4