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2017 Aluminum vs. 2124 Aluminum

Both 2017 aluminum and 2124 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is 2017 aluminum and the bottom bar is 2124 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 12 to 18
5.7
Fatigue Strength, MPa 90 to 130
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 130 to 260
280
Tensile Strength: Ultimate (UTS), MPa 190 to 430
490
Tensile Strength: Yield (Proof), MPa 76 to 260
430

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
500
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
38
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
27
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 17 to 40
45
Strength to Weight: Bending, points 24 to 42
46
Thermal Diffusivity, mm2/s 56
58
Thermal Shock Resistance, points 7.9 to 18
21

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
91.3 to 94.7
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 3.5 to 4.5
3.8 to 4.9
Iron (Fe), % 0 to 0.7
0 to 0.3
Magnesium (Mg), % 0.4 to 0.8
1.2 to 1.8
Manganese (Mn), % 0.4 to 1.0
0.3 to 0.9
Silicon (Si), % 0.2 to 0.8
0 to 0.2
Titanium (Ti), % 0 to 0.15
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15