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A380.0 Aluminum vs. C87900 Brass

A380.0 aluminum belongs to the aluminum alloys classification, while C87900 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 C87900 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
0.31
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 290
480
Tensile Strength: Yield (Proof), MPa 160
240

Thermal Properties

Latent Heat of Fusion, J/g 510
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 590
930
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 96
120
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
15
Electrical Conductivity: Equal Weight (Specific), % IACS 78
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 2.9
8.1
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 1040
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 48
20
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 34
17
Thermal Diffusivity, mm2/s 38
37
Thermal Shock Resistance, points 13
16

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
63 to 69.2
Iron (Fe), % 0 to 1.3
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.5
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.35
0 to 0.25
Zinc (Zn), % 0 to 3.0
30 to 36
Residuals, % 0 to 0.5
0