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2618 Aluminum vs. EN AC-21000 Aluminum

Both 2618 aluminum and EN AC-21000 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 2618 aluminum and the bottom bar is EN AC-21000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
100
Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 5.8
6.7
Fatigue Strength, MPa 110
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 420
340
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
21
Resilience: Unit (Modulus of Resilience), kJ/m3 850
390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 40
32
Strength to Weight: Bending, points 42
36
Thermal Diffusivity, mm2/s 62
49
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
93.4 to 95.5
Copper (Cu), % 1.9 to 2.7
4.2 to 5.0
Iron (Fe), % 0.9 to 1.3
0 to 0.35
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 1.3 to 1.8
0.15 to 0.35
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.9 to 1.2
0 to 0.050
Silicon (Si), % 0.1 to 0.25
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0.040 to 0.1
0.15 to 0.3
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.1