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711.0 Aluminum vs. 7178 Aluminum

Both 711.0 aluminum and 7178 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 711.0 aluminum and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 7.8
4.5 to 12
Fatigue Strength, MPa 100
120 to 210
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 220
240 to 640
Tensile Strength: Yield (Proof), MPa 140
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 380
370
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 860
860
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 7.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 2220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 20
21 to 58
Strength to Weight: Bending, points 26
28 to 54
Thermal Diffusivity, mm2/s 61
47
Thermal Shock Resistance, points 9.3
10 to 28

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0.35 to 0.65
1.6 to 2.4
Iron (Fe), % 0.7 to 1.4
0 to 0.5
Magnesium (Mg), % 0.25 to 0.45
2.4 to 3.1
Manganese (Mn), % 0 to 0.050
0 to 0.3
Silicon (Si), % 0 to 0.3
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 6.0 to 7.0
6.3 to 7.3
Residuals, % 0
0 to 0.15