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6360 Aluminum vs. 8021 Aluminum

Both 6360 aluminum and 8021 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 6360 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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