MakeItFrom.com
Menu (ESC)

2024 Aluminum vs. 5251 Aluminum

Both 2024 aluminum and 5251 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 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 2024 aluminum and the bottom bar is 5251 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
68
Elongation at Break, % 4.0 to 16
2.0 to 19
Fatigue Strength, MPa 90 to 180
59 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 130 to 320
110 to 160
Tensile Strength: Ultimate (UTS), MPa 200 to 540
180 to 280
Tensile Strength: Yield (Proof), MPa 100 to 490
67 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 500
610
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
37
Electrical Conductivity: Equal Weight (Specific), % IACS 90
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 68
5.4 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 1680
33 to 450
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 18 to 50
18 to 29
Strength to Weight: Bending, points 25 to 49
26 to 35
Thermal Diffusivity, mm2/s 46
61
Thermal Shock Resistance, points 8.6 to 24
7.9 to 13

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
95.5 to 98.2
Chromium (Cr), % 0 to 0.1
0 to 0.15
Copper (Cu), % 3.8 to 4.9
0 to 0.15
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 1.2 to 1.8
1.7 to 2.4
Manganese (Mn), % 0.3 to 0.9
0.1 to 0.5
Silicon (Si), % 0 to 0.5
0 to 0.4
Titanium (Ti), % 0 to 0.15
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.15
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15

Comparable Variants