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6182 Aluminum vs. 7175 Aluminum

Both 6182 aluminum and 7175 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 6182 aluminum and the bottom bar is 7175 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.8 to 13
3.8 to 5.9
Fatigue Strength, MPa 63 to 99
150 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 190
290 to 330
Tensile Strength: Ultimate (UTS), MPa 230 to 320
520 to 570
Tensile Strength: Yield (Proof), MPa 130 to 270
430 to 490

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 600
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.4
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
18 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
1310 to 1730
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 23 to 32
48 to 52
Strength to Weight: Bending, points 30 to 38
48 to 51
Thermal Diffusivity, mm2/s 65
53
Thermal Shock Resistance, points 10 to 14
23 to 25

Alloy Composition

Aluminum (Al), % 95 to 97.9
88 to 91.4
Chromium (Cr), % 0 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), % 0.7 to 1.2
2.1 to 2.9
Manganese (Mn), % 0.5 to 1.0
0 to 0.1
Silicon (Si), % 0.9 to 1.3
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.2
5.1 to 6.1
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.15