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EN AC-21000 Aluminum vs. CC755S Brass

EN AC-21000 aluminum belongs to the aluminum alloys classification, while CC755S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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-21000 aluminum and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
110
Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 6.7
9.5
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 340
390
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 670
820
Melting Onset (Solidus), °C 550
780
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
30

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
33
Resilience: Unit (Modulus of Resilience), kJ/m3 390
290
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 32
14
Strength to Weight: Bending, points 36
15
Thermal Diffusivity, mm2/s 49
38
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0.4 to 0.7
Copper (Cu), % 4.2 to 5.0
59.5 to 61
Iron (Fe), % 0 to 0.35
0.050 to 0.2
Lead (Pb), % 0 to 0.050
1.2 to 1.7
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0 to 0.050
Nickel (Ni), % 0 to 0.050
0 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.050
Tin (Sn), % 0 to 0.050
0 to 0.3
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
35.8 to 38.9
Residuals, % 0 to 0.1
0