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A206.0 Aluminum vs. 2025 Aluminum

Both A206.0 aluminum and 2025 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is A206.0 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
110
Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 4.2 to 10
15
Fatigue Strength, MPa 90 to 180
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 260
240
Tensile Strength: Ultimate (UTS), MPa 390 to 440
400
Tensile Strength: Yield (Proof), MPa 250 to 380
260

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 670
640
Melting Onset (Solidus), °C 550
520
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
40
Electrical Conductivity: Equal Weight (Specific), % IACS 90
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.0
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
55
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 36 to 41
37
Strength to Weight: Bending, points 39 to 43
40
Thermal Diffusivity, mm2/s 48
58
Thermal Shock Resistance, points 17 to 19
18

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 4.2 to 5.0
3.9 to 5.0
Iron (Fe), % 0 to 0.1
0 to 1.0
Magnesium (Mg), % 0 to 0.15
0 to 0.050
Manganese (Mn), % 0 to 0.2
0.4 to 1.2
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0.5 to 1.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15