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5182 Aluminum vs. 7175 Aluminum

Both 5182 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is 5182 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, % 1.1 to 12
3.8 to 5.9
Fatigue Strength, MPa 100 to 130
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
290 to 330
Tensile Strength: Ultimate (UTS), MPa 280 to 420
520 to 570
Tensile Strength: Yield (Proof), MPa 130 to 360
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 180
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 28
33
Electrical Conductivity: Equal Weight (Specific), % IACS 94
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 29 to 44
48 to 52
Strength to Weight: Bending, points 36 to 47
48 to 51
Thermal Diffusivity, mm2/s 53
53
Thermal Shock Resistance, points 12 to 19
23 to 25

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
88 to 91.4
Chromium (Cr), % 0 to 0.1
0.18 to 0.28
Copper (Cu), % 0 to 0.15
1.2 to 2.0
Iron (Fe), % 0 to 0.35
0 to 0.2
Magnesium (Mg), % 4.0 to 5.0
2.1 to 2.9
Manganese (Mn), % 0.2 to 0.5
0 to 0.1
Silicon (Si), % 0 to 0.2
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
5.1 to 6.1
Residuals, % 0
0 to 0.15