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7204 Aluminum vs. A384.0 Aluminum

Both 7204 aluminum and A384.0 aluminum are aluminum alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
74
Elongation at Break, % 11 to 13
2.5
Fatigue Strength, MPa 110 to 130
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
28
Shear Strength, MPa 130 to 220
200
Tensile Strength: Ultimate (UTS), MPa 220 to 380
330
Tensile Strength: Yield (Proof), MPa 120 to 310
170

Thermal Properties

Latent Heat of Fusion, J/g 380
550
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 520
510
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
96
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
73

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.4
7.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1140
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 21 to 36
32
Strength to Weight: Bending, points 28 to 40
38
Thermal Diffusivity, mm2/s 58
39
Thermal Shock Resistance, points 9.4 to 16
15

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
79.3 to 86.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
3.0 to 4.5
Iron (Fe), % 0 to 0.35
0 to 1.3
Magnesium (Mg), % 1.0 to 2.0
0 to 0.1
Manganese (Mn), % 0.2 to 0.7
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0 to 0.3
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0 to 1.0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5