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5086 Aluminum vs. 7175 Aluminum

Both 5086 aluminum and 7175 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 (3, in this case) are not shown.

For each property being compared, the top bar is 5086 aluminum and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.7 to 20
3.8 to 5.9
Fatigue Strength, MPa 88 to 180
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 160 to 230
290 to 330
Tensile Strength: Ultimate (UTS), MPa 270 to 390
520 to 570
Tensile Strength: Yield (Proof), MPa 110 to 320
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
33
Electrical Conductivity: Equal Weight (Specific), % IACS 100
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.8 to 42
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 86 to 770
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 28 to 40
48 to 52
Strength to Weight: Bending, points 34 to 44
48 to 51
Thermal Diffusivity, mm2/s 52
53
Thermal Shock Resistance, points 12 to 17
23 to 25

Alloy Composition

Aluminum (Al), % 93 to 96.3
88 to 91.4
Chromium (Cr), % 0.050 to 0.25
0.18 to 0.28
Copper (Cu), % 0 to 0.1
1.2 to 2.0
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 3.5 to 4.5
2.1 to 2.9
Manganese (Mn), % 0.2 to 0.7
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.15
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
5.1 to 6.1
Residuals, % 0
0 to 0.15