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392.0 Aluminum vs. C21000 Brass

392.0 aluminum belongs to the aluminum alloys classification, while C21000 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 392.0 aluminum and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
110
Elongation at Break, % 0.86
2.9 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 290
240 to 450
Tensile Strength: Yield (Proof), MPa 270
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 670
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 670
1070
Melting Onset (Solidus), °C 580
1050
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
56
Electrical Conductivity: Equal Weight (Specific), % IACS 90
57

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 2.5
8.8
Embodied Carbon, kg CO2/kg material 7.5
2.6
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 950
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 490
21 to 830
Stiffness to Weight: Axial, points 17
7.2
Stiffness to Weight: Bending, points 56
18
Strength to Weight: Axial, points 32
7.4 to 14
Strength to Weight: Bending, points 39
9.6 to 15
Thermal Diffusivity, mm2/s 60
69
Thermal Shock Resistance, points 15
8.1 to 15

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Copper (Cu), % 0.4 to 0.8
94 to 96
Iron (Fe), % 0 to 1.5
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 18 to 20
0
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
3.7 to 6.0
Residuals, % 0
0 to 0.2