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5042 Aluminum vs. EN AC-21000 Aluminum

Both 5042 aluminum and EN AC-21000 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5042 aluminum and the bottom bar is EN AC-21000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 3.4
6.7
Fatigue Strength, MPa 97 to 120
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 340 to 360
340
Tensile Strength: Yield (Proof), MPa 270 to 310
240

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 570
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
34
Electrical Conductivity: Equal Weight (Specific), % IACS 110
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
21
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 35 to 37
32
Strength to Weight: Bending, points 40 to 42
36
Thermal Diffusivity, mm2/s 53
49
Thermal Shock Resistance, points 15 to 16
15

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
93.4 to 95.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
4.2 to 5.0
Iron (Fe), % 0 to 0.35
0 to 0.35
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.0 to 4.0
0.15 to 0.35
Manganese (Mn), % 0.2 to 0.5
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.1
0.15 to 0.3
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.1