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C27200 Brass vs. EN AC-42200 Aluminum

C27200 brass belongs to the copper alloys classification, while EN AC-42200 aluminum belongs to the aluminum 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 C27200 brass and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 10 to 50
3.0 to 6.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 370 to 590
320
Tensile Strength: Yield (Proof), MPa 150 to 410
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 170
500
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 920
610
Melting Onset (Solidus), °C 870
600
Specific Heat Capacity, J/kg-K 390
910
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
40
Electrical Conductivity: Equal Weight (Specific), % IACS 31
140

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
410 to 490
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 13 to 20
34 to 35
Strength to Weight: Bending, points 14 to 19
40 to 41
Thermal Diffusivity, mm2/s 37
66
Thermal Shock Resistance, points 12 to 20
15

Alloy Composition

Aluminum (Al), % 0
91 to 93.1
Copper (Cu), % 62 to 65
0 to 0.050
Iron (Fe), % 0 to 0.070
0 to 0.19
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 34.6 to 38
0 to 0.070
Residuals, % 0
0 to 0.1