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5042 Aluminum vs. 6101B Aluminum

Both 5042 aluminum and 6101B 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 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 1.1 to 3.4
9.1 to 13
Fatigue Strength, MPa 97 to 120
62 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
120 to 150
Tensile Strength: Ultimate (UTS), MPa 340 to 360
190 to 250
Tensile Strength: Yield (Proof), MPa 270 to 310
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
630
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
210
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
57
Electrical Conductivity: Equal Weight (Specific), % IACS 110
190

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
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
20 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
140 to 240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 35 to 37
20 to 25
Strength to Weight: Bending, points 40 to 42
27 to 32
Thermal Diffusivity, mm2/s 53
87
Thermal Shock Resistance, points 15 to 16
8.5 to 11

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
98.2 to 99.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
0 to 0.050
Iron (Fe), % 0 to 0.35
0.1 to 0.3
Magnesium (Mg), % 3.0 to 4.0
0.35 to 0.6
Manganese (Mn), % 0.2 to 0.5
0 to 0.050
Silicon (Si), % 0 to 0.2
0.3 to 0.6
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.1