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EN AC-45300 Aluminum vs. 8021 Aluminum

Both EN AC-45300 aluminum and 8021 aluminum are aluminum alloys. They have a moderately high 93% 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 EN AC-45300 aluminum and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 1.0 to 2.8
2.3
Fatigue Strength, MPa 59 to 72
61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 220 to 290
160
Tensile Strength: Yield (Proof), MPa 150 to 230
130

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 590
640
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 150
220
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
56
Electrical Conductivity: Equal Weight (Specific), % IACS 120
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 8.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 23 to 29
16
Strength to Weight: Bending, points 30 to 35
23
Thermal Diffusivity, mm2/s 60
88
Thermal Shock Resistance, points 10 to 13
7.0

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
98 to 98.8
Copper (Cu), % 1.0 to 1.5
0 to 0.050
Iron (Fe), % 0 to 0.65
1.2 to 1.7
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.35 to 0.65
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 4.5 to 5.5
0 to 0.15
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0
0 to 0.15