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5251 Aluminum vs. EN AC-51300 Aluminum

Both 5251 aluminum and EN AC-51300 aluminum are aluminum alloys. They have a very high 96% 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-51300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
65
Elastic (Young's, Tensile) Modulus, GPa 68
67
Elongation at Break, % 2.0 to 19
3.7
Fatigue Strength, MPa 59 to 110
78
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 180 to 280
190
Tensile Strength: Yield (Proof), MPa 67 to 250
110

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 610
600
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

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
9.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
87
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 18 to 29
20
Strength to Weight: Bending, points 26 to 35
28
Thermal Diffusivity, mm2/s 61
45
Thermal Shock Resistance, points 7.9 to 13
8.6

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
91.4 to 95.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.55
Magnesium (Mg), % 1.7 to 2.4
4.5 to 6.5
Manganese (Mn), % 0.1 to 0.5
0 to 0.45
Silicon (Si), % 0 to 0.4
0 to 0.55
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15