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8021 Aluminum vs. 6360 Aluminum

Both 8021 aluminum and 6360 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 8021 aluminum and the bottom bar is 6360 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 2.3
9.0 to 18
Fatigue Strength, MPa 61
31 to 67
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
120 to 220
Tensile Strength: Yield (Proof), MPa 130
57 to 170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 640
630
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220
210
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
54
Electrical Conductivity: Equal Weight (Specific), % IACS 180
180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 130
24 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 16
13 to 23
Strength to Weight: Bending, points 23
20 to 30
Thermal Diffusivity, mm2/s 88
86
Thermal Shock Resistance, points 7.0
5.5 to 9.9

Alloy Composition

Aluminum (Al), % 98 to 98.8
97.8 to 99.3
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0 to 0.050
0 to 0.15
Iron (Fe), % 1.2 to 1.7
0.1 to 0.3
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0
0.020 to 0.15
Silicon (Si), % 0 to 0.15
0.35 to 0.8
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15