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5657 Aluminum vs. 7204 Aluminum

Both 5657 aluminum and 7204 aluminum are aluminum alloys. They have a moderately high 94% 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 5657 aluminum and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 6.6 to 15
11 to 13
Fatigue Strength, MPa 74 to 88
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 92 to 110
130 to 220
Tensile Strength: Ultimate (UTS), MPa 150 to 200
220 to 380
Tensile Strength: Yield (Proof), MPa 140 to 170
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
520
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 210
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
39
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.4
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
110 to 710
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 15 to 20
21 to 36
Strength to Weight: Bending, points 23 to 28
28 to 40
Thermal Diffusivity, mm2/s 84
58
Thermal Shock Resistance, points 6.7 to 8.6
9.4 to 16

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
90.5 to 94.8
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.2
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.35
Magnesium (Mg), % 0.6 to 1.0
1.0 to 2.0
Manganese (Mn), % 0 to 0.030
0.2 to 0.7
Silicon (Si), % 0 to 0.080
0 to 0.3
Titanium (Ti), % 0
0 to 0.2
Vanadium (V), % 0 to 0.050
0 to 0.1
Zinc (Zn), % 0 to 0.050
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.050
0 to 0.15