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384.0 Aluminum vs. C83400 Brass

384.0 aluminum belongs to the aluminum alloys classification, while C83400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 384.0 aluminum and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
30
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
42
Tensile Strength: Ultimate (UTS), MPa 330
240
Tensile Strength: Yield (Proof), MPa 170
69

Thermal Properties

Latent Heat of Fusion, J/g 550
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
1040
Melting Onset (Solidus), °C 530
1020
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 96
190
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
44
Electrical Conductivity: Equal Weight (Specific), % IACS 69
46

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 2.9
8.7
Embodied Carbon, kg CO2/kg material 7.4
2.7
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 1010
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
55
Resilience: Unit (Modulus of Resilience), kJ/m3 190
21
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 32
7.7
Strength to Weight: Bending, points 37
9.9
Thermal Diffusivity, mm2/s 39
57
Thermal Shock Resistance, points 15
8.4

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 3.0 to 4.5
88 to 92
Iron (Fe), % 0 to 1.3
0 to 0.25
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 10.5 to 12
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.35
0 to 0.2
Zinc (Zn), % 0 to 3.0
8.0 to 12
Residuals, % 0
0 to 0.7