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EN AC-42100 Aluminum vs. A390.0 Aluminum

Both EN AC-42100 aluminum and A390.0 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 A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 70
75
Elongation at Break, % 3.4 to 9.0
0.87 to 0.91
Fatigue Strength, MPa 76 to 82
70 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 280 to 290
190 to 290
Tensile Strength: Yield (Proof), MPa 210 to 230
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 500
640
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
580
Melting Onset (Solidus), °C 600
480
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
20
Electrical Conductivity: Equal Weight (Specific), % IACS 140
67

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
140
Embodied Water, L/kg 1110
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
240 to 580
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
52
Strength to Weight: Axial, points 30 to 31
19 to 30
Strength to Weight: Bending, points 37 to 38
27 to 36
Thermal Diffusivity, mm2/s 66
56
Thermal Shock Resistance, points 13
9.0 to 14

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
75.3 to 79.6
Copper (Cu), % 0 to 0.050
4.0 to 5.0
Iron (Fe), % 0 to 0.19
0 to 0.5
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

Comparable Variants