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5251 Aluminum vs. EN AC-46400 Aluminum

Both 5251 aluminum and EN AC-46400 aluminum are aluminum alloys. They have 89% 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 EN AC-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
77 to 120
Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 2.0 to 19
1.1 to 1.7
Fatigue Strength, MPa 59 to 110
75 to 85
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 180 to 280
170 to 310
Tensile Strength: Yield (Proof), MPa 67 to 250
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
520
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
1.7 to 4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
82 to 500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 18 to 29
18 to 32
Strength to Weight: Bending, points 26 to 35
26 to 38
Thermal Diffusivity, mm2/s 61
55
Thermal Shock Resistance, points 7.9 to 13
7.8 to 14

Alloy Composition


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Aluminum (Al), % 95.5 to 98.2
85.4 to 90.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0.8 to 1.3
Iron (Fe), % 0 to 0.5
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.7 to 2.4
0.25 to 0.65
Manganese (Mn), % 0.1 to 0.5
0.15 to 0.55
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
8.3 to 9.7
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.8
Residuals, % 0 to 0.15
0 to 0.25

Comparable Variants