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EN AC-45000 Aluminum vs. EN AC-51300 Aluminum

Both EN AC-45000 aluminum and EN AC-51300 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-45000 aluminum and the bottom bar is EN AC-51300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
65
Elastic (Young's, Tensile) Modulus, GPa 73
67
Elongation at Break, % 1.1
3.7
Fatigue Strength, MPa 75
78
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
25
Tensile Strength: Ultimate (UTS), MPa 180
190
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 520
600
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
31
Electrical Conductivity: Equal Weight (Specific), % IACS 81
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 7.7
9.1
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1070
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 80
87
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
51
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 47
45
Thermal Shock Resistance, points 8.0
8.6

Alloy Composition


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Aluminum (Al), % 82.2 to 91.8
91.4 to 95.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0 to 0.55
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
4.5 to 6.5
Manganese (Mn), % 0.2 to 0.65
0 to 0.45
Nickel (Ni), % 0 to 0.45
0
Silicon (Si), % 5.0 to 7.0
0 to 0.55
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 2.0
0 to 0.1
Residuals, % 0 to 0.35
0 to 0.15