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EN AC-21100 Aluminum vs. 5110A Aluminum

Both EN AC-21100 aluminum and 5110A aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-21100 aluminum and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 6.2 to 7.3
4.5 to 28
Fatigue Strength, MPa 79 to 87
37 to 77
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
100 to 190
Tensile Strength: Yield (Proof), MPa 210 to 240
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 130
220
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
57
Electrical Conductivity: Equal Weight (Specific), % IACS 100
190

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
7.6 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 31 to 33
10 to 19
Strength to Weight: Bending, points 36 to 37
18 to 27
Thermal Diffusivity, mm2/s 48
91
Thermal Shock Resistance, points 15
4.5 to 8.4

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
98.5 to 99.8
Copper (Cu), % 4.2 to 5.2
0 to 0.2
Iron (Fe), % 0 to 0.19
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 0.55
0 to 0.2
Silicon (Si), % 0 to 0.18
0 to 0.15
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.030
Residuals, % 0 to 0.1
0 to 0.1