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8021 Aluminum vs. 1200 Aluminum

Both 8021 aluminum and 1200 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 8021 aluminum and the bottom bar is 1200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.3
1.1 to 28
Fatigue Strength, MPa 61
25 to 69
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 160
85 to 180
Tensile Strength: Yield (Proof), MPa 130
28 to 160

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 640
650
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
58
Electrical Conductivity: Equal Weight (Specific), % IACS 180
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.0
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
2.0 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 130
5.7 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 16
8.7 to 19
Strength to Weight: Bending, points 23
16 to 26
Thermal Diffusivity, mm2/s 88
92
Thermal Shock Resistance, points 7.0
3.8 to 8.1

Alloy Composition

Aluminum (Al), % 98 to 98.8
99 to 100
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 1.2 to 1.7
0 to 1.0
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 1.0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15