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EN AC-21100 Aluminum vs. CC750S Brass

EN AC-21100 aluminum belongs to the aluminum alloys classification, while CC750S 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-21100 aluminum and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
54
Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
13
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 340 to 350
200
Tensile Strength: Yield (Proof), MPa 210 to 240
80

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 670
860
Melting Onset (Solidus), °C 550
810
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
24
Electrical Conductivity: Equal Weight (Specific), % IACS 100
26

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
22
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
30
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
6.8
Strength to Weight: Bending, points 36 to 37
9.3
Thermal Diffusivity, mm2/s 48
35
Thermal Shock Resistance, points 15
6.7

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0 to 0.1
Copper (Cu), % 4.2 to 5.2
62 to 67
Iron (Fe), % 0 to 0.19
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0 to 0.55
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.18
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
26.3 to 36
Residuals, % 0 to 0.1
0