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354.0 Aluminum vs. C68800 Brass

354.0 aluminum belongs to the aluminum alloys classification, while C68800 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 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.4 to 3.0
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 360 to 380
570 to 890
Tensile Strength: Yield (Proof), MPa 280 to 310
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 530
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
960
Melting Onset (Solidus), °C 550
950
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
18
Electrical Conductivity: Equal Weight (Specific), % IACS 110
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1070
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
710 to 2860
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 37 to 39
19 to 30
Strength to Weight: Bending, points 42 to 44
19 to 25
Thermal Diffusivity, mm2/s 52
12
Thermal Shock Resistance, points 17 to 18
19 to 30

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
3.0 to 3.8
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 1.6 to 2.0
70.8 to 75.5
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0
0 to 0.050
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
21.3 to 24.1
Residuals, % 0 to 0.15
0 to 0.5