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EN AC-44000 Aluminum vs. C85700 Brass

EN AC-44000 aluminum belongs to the aluminum alloys classification, while C85700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 7.3
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 180
310
Tensile Strength: Yield (Proof), MPa 86
110

Thermal Properties

Latent Heat of Fusion, J/g 560
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 590
940
Melting Onset (Solidus), °C 590
910
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 140
84
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
22
Electrical Conductivity: Equal Weight (Specific), % IACS 130
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.5
8.0
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1070
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
41
Resilience: Unit (Modulus of Resilience), kJ/m3 51
59
Stiffness to Weight: Axial, points 16
7.2
Stiffness to Weight: Bending, points 55
20
Strength to Weight: Axial, points 20
11
Strength to Weight: Bending, points 28
13
Thermal Diffusivity, mm2/s 61
27
Thermal Shock Resistance, points 8.4
10

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0 to 0.8
Copper (Cu), % 0 to 0.050
58 to 64
Iron (Fe), % 0 to 0.19
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 10 to 11.8
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
32 to 40
Residuals, % 0 to 0.1
0 to 1.3