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392.0 Aluminum vs. 7178 Aluminum

Both 392.0 aluminum and 7178 aluminum are aluminum alloys. They have 80% of their average alloy composition in common. There are 29 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 392.0 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
71
Elongation at Break, % 0.86
4.5 to 12
Fatigue Strength, MPa 190
120 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
27
Tensile Strength: Ultimate (UTS), MPa 290
240 to 640
Tensile Strength: Yield (Proof), MPa 270
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 670
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 670
630
Melting Onset (Solidus), °C 580
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
31
Electrical Conductivity: Equal Weight (Specific), % IACS 90
91

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.5
3.1
Embodied Carbon, kg CO2/kg material 7.5
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 950
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 490
110 to 2220
Stiffness to Weight: Axial, points 17
13
Stiffness to Weight: Bending, points 56
45
Strength to Weight: Axial, points 32
21 to 58
Strength to Weight: Bending, points 39
28 to 54
Thermal Diffusivity, mm2/s 60
47
Thermal Shock Resistance, points 15
10 to 28

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0.4 to 0.8
1.6 to 2.4
Iron (Fe), % 0 to 1.5
0 to 0.5
Magnesium (Mg), % 0.8 to 1.2
2.4 to 3.1
Manganese (Mn), % 0.2 to 0.6
0 to 0.3
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 18 to 20
0 to 0.4
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.5
6.3 to 7.3
Residuals, % 0
0 to 0.15