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C34500 Brass vs. EN AC-43500 Aluminum

C34500 brass belongs to the copper alloys classification, while EN AC-43500 aluminum belongs to the aluminum alloys. There are 28 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 C34500 brass and the bottom bar is EN AC-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 12 to 28
4.5 to 13
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340 to 430
220 to 300
Tensile Strength: Yield (Proof), MPa 120 to 180
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 170
550
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
600
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
38
Electrical Conductivity: Equal Weight (Specific), % IACS 29
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.2
2.6
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
130 to 200
Stiffness to Weight: Axial, points 7.1
16
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 12 to 15
24 to 33
Strength to Weight: Bending, points 13 to 16
32 to 39
Thermal Diffusivity, mm2/s 37
60
Thermal Shock Resistance, points 11 to 14
10 to 14

Alloy Composition

Aluminum (Al), % 0
86.4 to 90.5
Copper (Cu), % 62 to 65
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 0
0.4 to 0.8
Silicon (Si), % 0
9.0 to 11.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 32 to 36.5
0 to 0.070
Residuals, % 0
0 to 0.15