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EN AC-42000 Aluminum vs. EN AC-44400 Aluminum

Both EN AC-42000 aluminum and EN AC-44400 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN AC-42000 aluminum and the bottom bar is EN AC-44400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 59 to 91
61
Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 1.1 to 2.4
4.1
Fatigue Strength, MPa 67 to 76
79
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 170 to 270
210
Tensile Strength: Yield (Proof), MPa 95 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 500
540
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.6
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
7.3
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
85
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
54
Strength to Weight: Axial, points 18 to 28
23
Strength to Weight: Bending, points 26 to 35
31
Thermal Diffusivity, mm2/s 66
60
Thermal Shock Resistance, points 7.9 to 12
9.8

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
87.1 to 92
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.55
0 to 0.65
Lead (Pb), % 0 to 0.15
0 to 0.050
Magnesium (Mg), % 0.2 to 0.65
0 to 0.1
Manganese (Mn), % 0 to 0.35
0 to 0.5
Nickel (Ni), % 0 to 0.15
0 to 0.050
Silicon (Si), % 6.5 to 7.5
8.0 to 11
Tin (Sn), % 0 to 0.050
0 to 0.050
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.15