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354.0 Aluminum vs. C21000 Brass

354.0 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 354.0 aluminum and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.4 to 3.0
2.9 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 360 to 380
240 to 450
Tensile Strength: Yield (Proof), MPa 280 to 310
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 530
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 550
1050
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
56
Electrical Conductivity: Equal Weight (Specific), % IACS 110
57

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1070
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
21 to 830
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 52
18
Strength to Weight: Axial, points 37 to 39
7.4 to 14
Strength to Weight: Bending, points 42 to 44
9.6 to 15
Thermal Diffusivity, mm2/s 52
69
Thermal Shock Resistance, points 17 to 18
8.1 to 15

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
0
Copper (Cu), % 1.6 to 2.0
94 to 96
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 8.6 to 9.4
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
3.7 to 6.0
Residuals, % 0 to 0.15
0 to 0.2