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384.0 Aluminum vs. 2025 Aluminum

Both 384.0 aluminum and 2025 aluminum are aluminum alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is 384.0 aluminum and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
110
Elastic (Young's, Tensile) Modulus, GPa 74
72
Elongation at Break, % 2.5
15
Fatigue Strength, MPa 140
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
27
Shear Strength, MPa 200
240
Tensile Strength: Ultimate (UTS), MPa 330
400
Tensile Strength: Yield (Proof), MPa 170
260

Thermal Properties

Latent Heat of Fusion, J/g 550
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 530
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
40
Electrical Conductivity: Equal Weight (Specific), % IACS 69
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 7.4
7.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
55
Resilience: Unit (Modulus of Resilience), kJ/m3 190
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 32
37
Strength to Weight: Bending, points 37
40
Thermal Diffusivity, mm2/s 39
58
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
90.9 to 95.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.5
3.9 to 5.0
Iron (Fe), % 0 to 1.3
0 to 1.0
Magnesium (Mg), % 0 to 0.1
0 to 0.050
Manganese (Mn), % 0 to 0.5
0.4 to 1.2
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 10.5 to 12
0.5 to 1.2
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 3.0
0 to 0.25
Residuals, % 0
0 to 0.15