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5251 Aluminum vs. EN AC-44100 Aluminum

Both 5251 aluminum and EN AC-44100 aluminum are aluminum alloys. They have 88% 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-44100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
59
Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 2.0 to 19
4.9
Fatigue Strength, MPa 59 to 110
64
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 180 to 280
180
Tensile Strength: Yield (Proof), MPa 67 to 250
87

Thermal Properties

Latent Heat of Fusion, J/g 400
570
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
590
Melting Onset (Solidus), °C 610
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.5
Embodied Carbon, kg CO2/kg material 8.5
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
53
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 50
55
Strength to Weight: Axial, points 18 to 29
19
Strength to Weight: Bending, points 26 to 35
27
Thermal Diffusivity, mm2/s 61
58
Thermal Shock Resistance, points 7.9 to 13
8.2

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
84.4 to 89.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.15
Iron (Fe), % 0 to 0.5
0 to 0.65
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.7 to 2.4
0 to 0.1
Manganese (Mn), % 0.1 to 0.5
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.4
10.5 to 13.5
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.15