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5251 Aluminum vs. A384.0 Aluminum

Both 5251 aluminum and A384.0 aluminum are aluminum alloys. They have 84% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5251 aluminum and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
74
Elongation at Break, % 2.0 to 19
2.5
Fatigue Strength, MPa 59 to 110
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Shear Strength, MPa 110 to 160
200
Tensile Strength: Ultimate (UTS), MPa 180 to 280
330
Tensile Strength: Yield (Proof), MPa 67 to 250
170

Thermal Properties

Latent Heat of Fusion, J/g 400
550
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 610
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
96
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
73

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.5
7.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 18 to 29
32
Strength to Weight: Bending, points 26 to 35
38
Thermal Diffusivity, mm2/s 61
39
Thermal Shock Resistance, points 7.9 to 13
15

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
79.3 to 86.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
3.0 to 4.5
Iron (Fe), % 0 to 0.5
0 to 1.3
Magnesium (Mg), % 1.7 to 2.4
0 to 0.1
Manganese (Mn), % 0.1 to 0.5
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0 to 0.4
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.5