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C87800 Brass vs. EN AC-46400 Aluminum

C87800 brass belongs to the copper alloys classification, while EN AC-46400 aluminum belongs to the aluminum 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 C87800 brass and the bottom bar is EN AC-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 25
1.1 to 1.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 590
170 to 310
Tensile Strength: Yield (Proof), MPa 350
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 260
520
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
610
Melting Onset (Solidus), °C 820
570
Specific Heat Capacity, J/kg-K 410
890
Thermal Conductivity, W/m-K 28
130
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 2.7
7.8
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
1.7 to 4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 540
82 to 500
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
52
Strength to Weight: Axial, points 20
18 to 32
Strength to Weight: Bending, points 19
26 to 38
Thermal Diffusivity, mm2/s 8.3
55
Thermal Shock Resistance, points 21
7.8 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.15
85.4 to 90.5
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
0.8 to 1.3
Iron (Fe), % 0 to 0.15
0 to 0.8
Lead (Pb), % 0 to 0.15
0 to 0.1
Magnesium (Mg), % 0 to 0.010
0.25 to 0.65
Manganese (Mn), % 0 to 0.15
0.15 to 0.55
Nickel (Ni), % 0 to 0.2
0 to 0.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
8.3 to 9.7
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 12 to 16
0 to 0.8
Residuals, % 0
0 to 0.25