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5254 Aluminum vs. 5042 Aluminum

Both 5254 aluminum and 5042 aluminum are aluminum alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is 5254 aluminum and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 3.4 to 22
1.1 to 3.4
Fatigue Strength, MPa 110 to 160
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 150 to 200
200
Tensile Strength: Ultimate (UTS), MPa 240 to 350
340 to 360
Tensile Strength: Yield (Proof), MPa 100 to 270
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
570
Specific Heat Capacity, J/kg-K 900
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 8.8
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 41
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 73 to 550
550 to 720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
50
Strength to Weight: Axial, points 25 to 37
35 to 37
Strength to Weight: Bending, points 32 to 41
40 to 42
Thermal Diffusivity, mm2/s 52
53
Thermal Shock Resistance, points 10 to 16
15 to 16

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
94.2 to 96.8
Chromium (Cr), % 0.15 to 0.35
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.15
Iron (Fe), % 0 to 0.45
0 to 0.35
Magnesium (Mg), % 3.1 to 3.9
3.0 to 4.0
Manganese (Mn), % 0 to 0.010
0.2 to 0.5
Silicon (Si), % 0 to 0.45
0 to 0.2
Titanium (Ti), % 0 to 0.050
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants