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7204 Aluminum vs. 518.0 Aluminum

Both 7204 aluminum and 518.0 aluminum are aluminum alloys. They have a moderately high 93% 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 7204 aluminum and the bottom bar is 518.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
67
Elongation at Break, % 11 to 13
5.0
Fatigue Strength, MPa 110 to 130
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 130 to 220
200
Tensile Strength: Ultimate (UTS), MPa 220 to 380
310
Tensile Strength: Yield (Proof), MPa 120 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 520
560
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
98
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.4
9.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
14
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
51
Strength to Weight: Axial, points 21 to 36
32
Strength to Weight: Bending, points 28 to 40
38
Thermal Diffusivity, mm2/s 58
40
Thermal Shock Resistance, points 9.4 to 16
14

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
88.1 to 92.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.35
0 to 1.8
Magnesium (Mg), % 1.0 to 2.0
7.5 to 8.5
Manganese (Mn), % 0.2 to 0.7
0 to 0.35
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0 to 0.3
0 to 0.35
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 0.15
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.25