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A380.0 Aluminum vs. C87800 Brass

A380.0 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 (5, 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 A380.0 aluminum and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 3.3
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 290
590
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 510
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 590
920
Melting Onset (Solidus), °C 550
820
Specific Heat Capacity, J/kg-K 870
410
Thermal Conductivity, W/m-K 96
28
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 78
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
27
Density, g/cm3 2.9
8.3
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 1040
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
540
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 34
19
Thermal Diffusivity, mm2/s 38
8.3
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 3.0 to 4.0
80 to 84.2
Iron (Fe), % 0 to 1.3
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0 to 0.1
0 to 0.010
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.5
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.35
0 to 0.25
Zinc (Zn), % 0 to 3.0
12 to 16
Residuals, % 0
0 to 0.5