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5051A Aluminum vs. 2017 Aluminum

Both 5051A aluminum and 2017 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5051A aluminum and the bottom bar is 2017 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 18 to 21
12 to 18
Fatigue Strength, MPa 51 to 61
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110
130 to 260
Tensile Strength: Ultimate (UTS), MPa 170
190 to 430
Tensile Strength: Yield (Proof), MPa 56
76 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
38
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
24 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 23
41 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 17 to 18
17 to 40
Strength to Weight: Bending, points 25
24 to 42
Thermal Diffusivity, mm2/s 63
56
Thermal Shock Resistance, points 7.6
7.9 to 18

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
91.6 to 95.5
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.050
3.5 to 4.5
Iron (Fe), % 0 to 0.45
0 to 0.7
Magnesium (Mg), % 1.4 to 2.1
0.4 to 0.8
Manganese (Mn), % 0 to 0.25
0.4 to 1.0
Silicon (Si), % 0 to 0.3
0.2 to 0.8
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants