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EN AC-51300 Aluminum vs. 2218 Aluminum

Both EN AC-51300 aluminum and 2218 aluminum are aluminum alloys. They have a moderately high 94% 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 EN AC-51300 aluminum and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
95 to 110
Elastic (Young's, Tensile) Modulus, GPa 67
73
Elongation at Break, % 3.7
6.8 to 10
Fatigue Strength, MPa 78
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 190
330 to 430
Tensile Strength: Yield (Proof), MPa 110
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
510
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
37
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 9.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 87
450 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 20
30 to 39
Strength to Weight: Bending, points 28
34 to 41
Thermal Diffusivity, mm2/s 45
52
Thermal Shock Resistance, points 8.6
15 to 19

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
3.5 to 4.5
Iron (Fe), % 0 to 0.55
0 to 1.0
Magnesium (Mg), % 4.5 to 6.5
1.2 to 1.8
Manganese (Mn), % 0 to 0.45
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.55
0 to 0.9
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15