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EN AC-42100 Aluminum vs. 2017A Aluminum

Both EN AC-42100 aluminum and 2017A aluminum are aluminum alloys. They have a moderately high 94% 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-42100 aluminum and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 3.4 to 9.0
2.2 to 14
Fatigue Strength, MPa 76 to 82
92 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 280 to 290
200 to 460
Tensile Strength: Yield (Proof), MPa 210 to 230
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 500
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 610
650
Melting Onset (Solidus), °C 600
510
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
34
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
90 to 570
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 30 to 31
19 to 42
Strength to Weight: Bending, points 37 to 38
26 to 44
Thermal Diffusivity, mm2/s 66
56
Thermal Shock Resistance, points 13
8.9 to 20

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
91.3 to 95.5
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.050
3.5 to 4.5
Iron (Fe), % 0 to 0.19
0 to 0.7
Magnesium (Mg), % 0.25 to 0.45
0.4 to 1.0
Manganese (Mn), % 0 to 0.1
0.4 to 1.0
Silicon (Si), % 6.5 to 7.5
0.2 to 0.8
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 0.070
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15