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EN AC-42000 Aluminum vs. C87800 Brass

EN AC-42000 aluminum belongs to the aluminum alloys classification, while C87800 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-42000 aluminum and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 2.4
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 170 to 270
590
Tensile Strength: Yield (Proof), MPa 95 to 230
350

Thermal Properties

Latent Heat of Fusion, J/g 500
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
920
Melting Onset (Solidus), °C 600
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 160
28
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.6
8.3
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
130
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
540
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 18 to 28
20
Strength to Weight: Bending, points 26 to 35
19
Thermal Diffusivity, mm2/s 66
8.3
Thermal Shock Resistance, points 7.9 to 12
21

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 0 to 0.2
80 to 84.2
Iron (Fe), % 0 to 0.55
0 to 0.15
Lead (Pb), % 0 to 0.15
0 to 0.15
Magnesium (Mg), % 0.2 to 0.65
0 to 0.010
Manganese (Mn), % 0 to 0.35
0 to 0.15
Nickel (Ni), % 0 to 0.15
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.050
0 to 0.25
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
12 to 16
Residuals, % 0
0 to 0.5