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3104 Aluminum vs. 2025 Aluminum

Both 3104 aluminum and 2025 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 3104 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 1.1 to 20
15
Fatigue Strength, MPa 74 to 130
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110 to 180
240
Tensile Strength: Ultimate (UTS), MPa 170 to 310
400
Tensile Strength: Yield (Proof), MPa 68 to 270
260

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
520
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 60
55
Resilience: Unit (Modulus of Resilience), kJ/m3 34 to 540
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 17 to 31
37
Strength to Weight: Bending, points 25 to 37
40
Thermal Diffusivity, mm2/s 64
58
Thermal Shock Resistance, points 7.6 to 13
18

Alloy Composition

Aluminum (Al), % 95.1 to 98.4
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.25
3.9 to 5.0
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
0 to 1.0
Magnesium (Mg), % 0.8 to 1.3
0 to 0.050
Manganese (Mn), % 0.8 to 1.4
0.4 to 1.2
Silicon (Si), % 0 to 0.6
0.5 to 1.2
Titanium (Ti), % 0 to 0.1
0 to 0.15
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15