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2025 Aluminum vs. 3303 Aluminum

Both 2025 aluminum and 3303 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 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 2025 aluminum and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 15
23
Fatigue Strength, MPa 130
43
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 240
69
Tensile Strength: Ultimate (UTS), MPa 400
110
Tensile Strength: Yield (Proof), MPa 260
39

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
43
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 7.9
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
20
Resilience: Unit (Modulus of Resilience), kJ/m3 450
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 37
11
Strength to Weight: Bending, points 40
18
Thermal Diffusivity, mm2/s 58
67
Thermal Shock Resistance, points 18
4.8

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
96.6 to 99
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0.050 to 0.2
Iron (Fe), % 0 to 1.0
0 to 0.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
1.0 to 1.5
Silicon (Si), % 0.5 to 1.2
0 to 0.6
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.3
Residuals, % 0
0 to 0.15