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6023 Aluminum vs. 2025 Aluminum

Both 6023 aluminum and 2025 aluminum are aluminum alloys. They have a very 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 6023 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
72
Elongation at Break, % 11
15
Fatigue Strength, MPa 120 to 130
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 210 to 220
240
Tensile Strength: Ultimate (UTS), MPa 360
400
Tensile Strength: Yield (Proof), MPa 300 to 310
260

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 580
520
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.3
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
55
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 35 to 36
37
Strength to Weight: Bending, points 40
40
Thermal Diffusivity, mm2/s 67
58
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 94 to 97.7
90.9 to 95.2
Bismuth (Bi), % 0.3 to 0.8
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.2 to 0.5
3.9 to 5.0
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.4 to 0.9
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0.4 to 1.2
Silicon (Si), % 0.6 to 1.4
0.5 to 1.2
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15