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EN AC-21100 Aluminum vs. C26200 Brass

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C26200 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 C26200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 6.2 to 7.3
3.0 to 180
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 340 to 350
330 to 770
Tensile Strength: Yield (Proof), MPa 210 to 240
110 to 490

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 670
950
Melting Onset (Solidus), °C 550
920
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
31

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
19 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
62 to 1110
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
11 to 26
Strength to Weight: Bending, points 36 to 37
13 to 23
Thermal Diffusivity, mm2/s 48
38
Thermal Shock Resistance, points 15
11 to 26

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
67 to 70
Iron (Fe), % 0 to 0.19
0 to 0.050
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.55
0
Silicon (Si), % 0 to 0.18
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
29.6 to 33
Residuals, % 0 to 0.1
0 to 0.3