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C23400 Brass vs. A357.0 Aluminum

C23400 brass belongs to the copper alloys classification, while A357.0 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 C23400 brass and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 370 to 640
350

Thermal Properties

Latent Heat of Fusion, J/g 190
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 970
610
Melting Onset (Solidus), °C 930
560
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 27
12
Density, g/cm3 8.5
2.6
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1110

Common Calculations

Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 12 to 21
38
Strength to Weight: Bending, points 13 to 19
43
Thermal Diffusivity, mm2/s 36
68
Thermal Shock Resistance, points 12 to 22
17

Alloy Composition

Aluminum (Al), % 0
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Copper (Cu), % 81 to 84
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
6.5 to 7.5
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 15.7 to 19
0 to 0.1
Residuals, % 0
0 to 0.15