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238.0 Aluminum vs. EN AC-21200 Aluminum

Both 238.0 aluminum and EN AC-21200 aluminum are aluminum alloys. 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-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
71
Elongation at Break, % 1.5
3.9 to 6.2
Fatigue Strength, MPa 110
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 210
410 to 440
Tensile Strength: Yield (Proof), MPa 170
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 430
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 510
550
Specific Heat Capacity, J/kg-K 840
880
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 67
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 3.4
3.0
Embodied Carbon, kg CO2/kg material 7.4
8.0
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 180
500 to 930
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
46
Strength to Weight: Axial, points 17
38 to 40
Strength to Weight: Bending, points 23
41 to 43
Thermal Diffusivity, mm2/s 37
49
Thermal Shock Resistance, points 9.1
18 to 19

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
93.3 to 95.7
Copper (Cu), % 9.5 to 10.5
4.0 to 5.0
Iron (Fe), % 1.0 to 1.5
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0 to 0.25
0.15 to 0.5
Manganese (Mn), % 0
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 3.6 to 4.4
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
0 to 0.1
Residuals, % 0
0 to 0.1