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EN AC-51300 Aluminum vs. 5251 Aluminum

Both EN AC-51300 aluminum and 5251 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 EN AC-51300 aluminum and the bottom bar is 5251 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 9.1
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

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

Alloy Composition

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