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5251 Aluminum vs. EN AC-45300 Aluminum

Both 5251 aluminum and EN AC-45300 aluminum are aluminum alloys. They have a moderately high 94% 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-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 44 to 79
94 to 120
Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 2.0 to 19
1.0 to 2.8
Fatigue Strength, MPa 59 to 110
59 to 72
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 180 to 280
220 to 290
Tensile Strength: Yield (Proof), MPa 67 to 250
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 610
590
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
36
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 27
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 450
160 to 390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 18 to 29
23 to 29
Strength to Weight: Bending, points 26 to 35
30 to 35
Thermal Diffusivity, mm2/s 61
60
Thermal Shock Resistance, points 7.9 to 13
10 to 13

Alloy Composition


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Aluminum (Al), % 95.5 to 98.2
90.2 to 94.2
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
1.0 to 1.5
Iron (Fe), % 0 to 0.5
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 1.7 to 2.4
0.35 to 0.65
Manganese (Mn), % 0.1 to 0.5
0 to 0.55
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0 to 0.4
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.15
0 to 0.15
Residuals, % 0 to 0.15
0 to 0.15