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EN AC-51300 Aluminum vs. 2618A Aluminum

Both EN AC-51300 aluminum and 2618A aluminum are aluminum alloys. They have a very high 96% 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-51300 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
72
Elongation at Break, % 3.7
4.5
Fatigue Strength, MPa 78
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
27
Tensile Strength: Ultimate (UTS), MPa 190
440
Tensile Strength: Yield (Proof), MPa 110
410

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 600
560
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 24
23

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
3.0
Embodied Carbon, kg CO2/kg material 9.1
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
19
Resilience: Unit (Modulus of Resilience), kJ/m3 87
1180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 20
41
Strength to Weight: Bending, points 28
44
Thermal Diffusivity, mm2/s 45
59
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 91.4 to 95.5
91.5 to 95.2
Copper (Cu), % 0 to 0.1
1.8 to 2.7
Iron (Fe), % 0 to 0.55
0.9 to 1.4
Magnesium (Mg), % 4.5 to 6.5
1.2 to 1.8
Manganese (Mn), % 0 to 0.45
0 to 0.25
Nickel (Ni), % 0
0.8 to 1.4
Silicon (Si), % 0 to 0.55
0.15 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15