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354.0 Aluminum vs. C69400 Brass

354.0 aluminum belongs to the aluminum alloys classification, while C69400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.4 to 3.0
17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 360 to 380
570
Tensile Strength: Yield (Proof), MPa 280 to 310
270

Thermal Properties

Latent Heat of Fusion, J/g 530
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
920
Melting Onset (Solidus), °C 550
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 130
26
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1070
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
80
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
340
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 37 to 39
19
Strength to Weight: Bending, points 42 to 44
18
Thermal Diffusivity, mm2/s 52
7.7
Thermal Shock Resistance, points 17 to 18
20

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
0
Copper (Cu), % 1.6 to 2.0
80 to 83
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 8.6 to 9.4
3.5 to 4.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
11.5 to 16.5
Residuals, % 0 to 0.15
0 to 0.5