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5042 Aluminum vs. 3303 Aluminum

Both 5042 aluminum and 3303 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 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.1 to 3.4
23
Fatigue Strength, MPa 97 to 120
43
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
69
Tensile Strength: Ultimate (UTS), MPa 340 to 360
110
Tensile Strength: Yield (Proof), MPa 270 to 310
39

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
43
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.8
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
20
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
11
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 35 to 37
11
Strength to Weight: Bending, points 40 to 42
18
Thermal Diffusivity, mm2/s 53
67
Thermal Shock Resistance, points 15 to 16
4.8

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
96.6 to 99
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0.050 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
1.0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.6
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15