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5082 Aluminum vs. 5042 Aluminum

Both 5082 aluminum and 5042 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is 5082 aluminum and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
68
Elongation at Break, % 1.1
1.1 to 3.4
Fatigue Strength, MPa 110 to 130
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Shear Strength, MPa 210 to 230
200
Tensile Strength: Ultimate (UTS), MPa 380 to 400
340 to 360
Tensile Strength: Yield (Proof), MPa 300 to 340
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 560
570
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.9
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
550 to 720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 39 to 41
35 to 37
Strength to Weight: Bending, points 43 to 45
40 to 42
Thermal Diffusivity, mm2/s 54
53
Thermal Shock Resistance, points 17 to 18
15 to 16

Alloy Composition

Aluminum (Al), % 93.5 to 96
94.2 to 96.8
Chromium (Cr), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.15
0 to 0.15
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 4.0 to 5.0
3.0 to 4.0
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants