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EN AC-45400 Aluminum vs. EN AC-45500 Aluminum

Both EN AC-45400 aluminum and EN AC-45500 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-45400 aluminum and the bottom bar is EN AC-45500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
110
Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 6.7
2.8
Fatigue Strength, MPa 55
80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 260
320
Tensile Strength: Yield (Proof), MPa 130
250

Thermal Properties

Latent Heat of Fusion, J/g 470
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 560
600
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
33
Electrical Conductivity: Equal Weight (Specific), % IACS 95
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.6
Embodied Carbon, kg CO2/kg material 7.8
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 110
430
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
53
Strength to Weight: Axial, points 25
34
Strength to Weight: Bending, points 32
40
Thermal Diffusivity, mm2/s 54
65
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
90.6 to 93.1
Copper (Cu), % 2.6 to 3.6
0.2 to 0.7
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0.2 to 0.45
Manganese (Mn), % 0 to 0.55
0 to 0.15
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 4.5 to 6.0
6.5 to 7.5
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.070
Residuals, % 0
0 to 0.1