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390.0 Aluminum vs. EN AC-21200 Aluminum

Both 390.0 aluminum and EN AC-21200 aluminum are aluminum alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is 390.0 aluminum and the bottom bar is EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 75
71
Elongation at Break, % 1.0
3.9 to 6.2
Fatigue Strength, MPa 76 to 110
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 280 to 300
410 to 440
Tensile Strength: Yield (Proof), MPa 240 to 270
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 640
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 560
550
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
34
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 7.3
8.0
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 950
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
500 to 930
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
46
Strength to Weight: Axial, points 28 to 30
38 to 40
Strength to Weight: Bending, points 35 to 36
41 to 43
Thermal Diffusivity, mm2/s 56
49
Thermal Shock Resistance, points 14 to 15
18 to 19

Alloy Composition


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Aluminum (Al), % 74.5 to 79.6
93.3 to 95.7
Copper (Cu), % 4.0 to 5.0
4.0 to 5.0
Iron (Fe), % 0 to 1.3
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.45 to 0.65
0.15 to 0.5
Manganese (Mn), % 0 to 0.1
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 16 to 18
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0 to 0.2
0 to 0.1