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2024 Aluminum vs. 7204 Aluminum

Both 2024 aluminum and 7204 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 2024 aluminum and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 4.0 to 16
11 to 13
Fatigue Strength, MPa 90 to 180
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 130 to 320
130 to 220
Tensile Strength: Ultimate (UTS), MPa 200 to 540
220 to 380
Tensile Strength: Yield (Proof), MPa 100 to 490
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 500
520
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
39
Electrical Conductivity: Equal Weight (Specific), % IACS 90
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 68
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 1680
110 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
47
Strength to Weight: Axial, points 18 to 50
21 to 36
Strength to Weight: Bending, points 25 to 49
28 to 40
Thermal Diffusivity, mm2/s 46
58
Thermal Shock Resistance, points 8.6 to 24
9.4 to 16

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
90.5 to 94.8
Chromium (Cr), % 0 to 0.1
0 to 0.3
Copper (Cu), % 3.8 to 4.9
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.35
Magnesium (Mg), % 1.2 to 1.8
1.0 to 2.0
Manganese (Mn), % 0.3 to 0.9
0.2 to 0.7
Silicon (Si), % 0 to 0.5
0 to 0.3
Titanium (Ti), % 0 to 0.15
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.25
4.0 to 5.0
Zirconium (Zr), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants