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238.0 Aluminum vs. EN AC-44400 Aluminum

Both 238.0 aluminum and EN AC-44400 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. There are 29 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 238.0 aluminum and the bottom bar is EN AC-44400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
71
Elongation at Break, % 1.5
4.1
Fatigue Strength, MPa 110
79
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 210
210
Tensile Strength: Yield (Proof), MPa 170
110

Thermal Properties

Latent Heat of Fusion, J/g 430
540
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 510
590
Specific Heat Capacity, J/kg-K 840
900
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33
Electrical Conductivity: Equal Weight (Specific), % IACS 67
110

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.6
Embodied Carbon, kg CO2/kg material 7.4
7.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
7.3
Resilience: Unit (Modulus of Resilience), kJ/m3 180
85
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 42
54
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 37
60
Thermal Shock Resistance, points 9.1
9.8

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
87.1 to 92
Copper (Cu), % 9.5 to 10.5
0 to 0.1
Iron (Fe), % 1.0 to 1.5
0 to 0.65
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.25
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 3.6 to 4.4
8.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 1.0 to 1.5
0 to 0.15
Residuals, % 0
0 to 0.15