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5657 Aluminum vs. 2025 Aluminum

Both 5657 aluminum and 2025 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 5657 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 50
110
Elastic (Young's, Tensile) Modulus, GPa 68
72
Elongation at Break, % 6.6 to 15
15
Fatigue Strength, MPa 74 to 88
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 92 to 110
240
Tensile Strength: Ultimate (UTS), MPa 150 to 200
400
Tensile Strength: Yield (Proof), MPa 140 to 170
260

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
520
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 210
150
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
40
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.4
7.9
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
55
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 15 to 20
37
Strength to Weight: Bending, points 23 to 28
40
Thermal Diffusivity, mm2/s 84
58
Thermal Shock Resistance, points 6.7 to 8.6
18

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
3.9 to 5.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 1.0
Magnesium (Mg), % 0.6 to 1.0
0 to 0.050
Manganese (Mn), % 0 to 0.030
0.4 to 1.2
Silicon (Si), % 0 to 0.080
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.15
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.25
Residuals, % 0 to 0.050
0 to 0.15