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354.0 Aluminum vs. C68700 Brass

354.0 aluminum belongs to the aluminum alloys classification, while C68700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, 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 C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 360 to 380
390
Tensile Strength: Yield (Proof), MPa 280 to 310
140

Thermal Properties

Latent Heat of Fusion, J/g 530
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
970
Melting Onset (Solidus), °C 550
930
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
23
Electrical Conductivity: Equal Weight (Specific), % IACS 110
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1070
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
90
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 37 to 39
13
Strength to Weight: Bending, points 42 to 44
14
Thermal Diffusivity, mm2/s 52
30
Thermal Shock Resistance, points 17 to 18
13

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 1.6 to 2.0
76 to 79
Iron (Fe), % 0 to 0.2
0 to 0.060
Lead (Pb), % 0
0 to 0.070
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
17.8 to 22.2
Residuals, % 0 to 0.15
0 to 0.5