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EN AC-21100 Aluminum vs. 3303 Aluminum

Both EN AC-21100 aluminum and 3303 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. 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 EN AC-21100 aluminum and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 6.2 to 7.3
23
Fatigue Strength, MPa 79 to 87
43
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 340 to 350
110
Tensile Strength: Yield (Proof), MPa 210 to 240
39

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
650
Melting Onset (Solidus), °C 550
620
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
43
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.0
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
20
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 31 to 33
11
Strength to Weight: Bending, points 36 to 37
18
Thermal Diffusivity, mm2/s 48
67
Thermal Shock Resistance, points 15
4.8

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
96.6 to 99
Copper (Cu), % 4.2 to 5.2
0.050 to 0.2
Iron (Fe), % 0 to 0.19
0 to 0.7
Manganese (Mn), % 0 to 0.55
1.0 to 1.5
Silicon (Si), % 0 to 0.18
0 to 0.6
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.3
Residuals, % 0 to 0.1
0 to 0.15