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EN AC-45400 Aluminum vs. 2025 Aluminum

Both EN AC-45400 aluminum and 2025 aluminum are aluminum alloys. They have a very high 95% 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-45400 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
110
Elastic (Young's, Tensile) Modulus, GPa 72
72
Elongation at Break, % 6.7
15
Fatigue Strength, MPa 55
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 260
400
Tensile Strength: Yield (Proof), MPa 130
260

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 560
520
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
40
Electrical Conductivity: Equal Weight (Specific), % IACS 95
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 7.8
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
55
Resilience: Unit (Modulus of Resilience), kJ/m3 110
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 25
37
Strength to Weight: Bending, points 32
40
Thermal Diffusivity, mm2/s 54
58
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 88.4 to 92.9
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 2.6 to 3.6
3.9 to 5.0
Iron (Fe), % 0 to 0.6
0 to 1.0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.55
0.4 to 1.2
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 4.5 to 6.0
0.5 to 1.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15