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5042 Aluminum vs. 1085 Aluminum

Both 5042 aluminum and 1085 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 5042 aluminum and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 1.1 to 3.4
4.5 to 39
Fatigue Strength, MPa 97 to 120
22 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
48 to 79
Tensile Strength: Ultimate (UTS), MPa 340 to 360
73 to 140
Tensile Strength: Yield (Proof), MPa 270 to 310
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
61
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

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
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
2.1 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 35 to 37
7.5 to 14
Strength to Weight: Bending, points 40 to 42
14 to 22
Thermal Diffusivity, mm2/s 53
94
Thermal Shock Resistance, points 15 to 16
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
99.85 to 100
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.35
0 to 0.12
Magnesium (Mg), % 3.0 to 4.0
0 to 0.020
Manganese (Mn), % 0.2 to 0.5
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.1
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
0 to 0.030
Residuals, % 0
0 to 0.010

Comparable Variants