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EN AC-42100 Aluminum vs. 390.0 Aluminum

Both EN AC-42100 aluminum and 390.0 aluminum are aluminum alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
120
Elastic (Young's, Tensile) Modulus, GPa 70
75
Elongation at Break, % 3.4 to 9.0
1.0
Fatigue Strength, MPa 76 to 82
76 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 280 to 290
280 to 300
Tensile Strength: Yield (Proof), MPa 210 to 230
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 500
640
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
650
Melting Onset (Solidus), °C 600
560
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 140
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 8.0
7.3
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1110
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
380 to 470
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
52
Strength to Weight: Axial, points 30 to 31
28 to 30
Strength to Weight: Bending, points 37 to 38
35 to 36
Thermal Diffusivity, mm2/s 66
56
Thermal Shock Resistance, points 13
14 to 15

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
74.5 to 79.6
Copper (Cu), % 0 to 0.050
4.0 to 5.0
Iron (Fe), % 0 to 0.19
0 to 1.3
Magnesium (Mg), % 0.25 to 0.45
0.45 to 0.65
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.5 to 7.5
16 to 18
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.070
0 to 0.1
Residuals, % 0
0 to 0.2