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2025 Aluminum vs. 308.0 Aluminum

Both 2025 aluminum and 308.0 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 2025 aluminum and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition


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