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308.0 Aluminum vs. 2025 Aluminum

Both 308.0 aluminum and 2025 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 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 308.0 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
110
Elastic (Young's, Tensile) Modulus, GPa 73
72
Elongation at Break, % 2.0
15
Fatigue Strength, MPa 89
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 150
240
Tensile Strength: Ultimate (UTS), MPa 190
400
Tensile Strength: Yield (Proof), MPa 110
260

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 7.7
7.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1080
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
55
Resilience: Unit (Modulus of Resilience), kJ/m3 83
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
46
Strength to Weight: Axial, points 18
37
Strength to Weight: Bending, points 25
40
Thermal Diffusivity, mm2/s 55
58
Thermal Shock Resistance, points 9.2
18

Alloy Composition

Aluminum (Al), % 85.7 to 91
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.0
3.9 to 5.0
Iron (Fe), % 0 to 1.0
0 to 1.0
Magnesium (Mg), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.5
0.4 to 1.2
Silicon (Si), % 5.0 to 6.0
0.5 to 1.2
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 1.0
0 to 0.25
Residuals, % 0
0 to 0.15