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8021 Aluminum vs. 850.0 Aluminum

Both 8021 aluminum and 850.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 8021 aluminum and the bottom bar is 850.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.3
7.9
Fatigue Strength, MPa 61
59
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
140
Tensile Strength: Yield (Proof), MPa 130
76

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 640
370
Specific Heat Capacity, J/kg-K 900
850
Thermal Conductivity, W/m-K 220
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
47
Electrical Conductivity: Equal Weight (Specific), % IACS 180
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
14
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.1
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
9.1
Resilience: Unit (Modulus of Resilience), kJ/m3 130
42
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 49
44
Strength to Weight: Axial, points 16
12
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 88
69
Thermal Shock Resistance, points 7.0
6.1

Alloy Composition

Aluminum (Al), % 98 to 98.8
88.3 to 93.1
Copper (Cu), % 0 to 0.050
0.7 to 1.3
Iron (Fe), % 1.2 to 1.7
0 to 0.7
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0.7 to 1.3
Silicon (Si), % 0 to 0.15
0 to 0.7
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0
0 to 0.2
Residuals, % 0
0 to 0.3