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EN AC-45100 Aluminum vs. C24000 Brass

EN AC-45100 aluminum belongs to the aluminum alloys classification, while C24000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 EN AC-45100 aluminum and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 300 to 360
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 470
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 630
1000
Melting Onset (Solidus), °C 550
970
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
32
Electrical Conductivity: Equal Weight (Specific), % IACS 95
34

Otherwise Unclassified Properties

Base Metal Price, % relative 10
27
Density, g/cm3 2.8
8.5
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1100
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 30 to 35
10 to 21
Strength to Weight: Bending, points 35 to 39
12 to 20
Thermal Diffusivity, mm2/s 54
43
Thermal Shock Resistance, points 14 to 16
10 to 22

Alloy Composition

Aluminum (Al), % 88 to 92.8
0
Copper (Cu), % 2.6 to 3.6
78.5 to 81.5
Iron (Fe), % 0 to 0.6
0 to 0.050
Lead (Pb), % 0 to 0.1
0 to 0.050
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 4.5 to 6.0
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
18.2 to 21.5
Residuals, % 0
0 to 0.2