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7050 Aluminum vs. 6182 Aluminum

Both 7050 aluminum and 6182 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 7050 aluminum and the bottom bar is 6182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 2.2 to 12
6.8 to 13
Fatigue Strength, MPa 130 to 210
63 to 99
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280 to 330
140 to 190
Tensile Strength: Ultimate (UTS), MPa 490 to 570
230 to 320
Tensile Strength: Yield (Proof), MPa 390 to 500
130 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 490
600
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
40
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
110 to 520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 45 to 51
23 to 32
Strength to Weight: Bending, points 45 to 50
30 to 38
Thermal Diffusivity, mm2/s 54
65
Thermal Shock Resistance, points 21 to 25
10 to 14

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
95 to 97.9
Chromium (Cr), % 0 to 0.040
0 to 0.25
Copper (Cu), % 2.0 to 2.6
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.5
Magnesium (Mg), % 1.9 to 2.6
0.7 to 1.2
Manganese (Mn), % 0 to 0.1
0.5 to 1.0
Silicon (Si), % 0 to 0.12
0.9 to 1.3
Titanium (Ti), % 0 to 0.060
0 to 0.1
Zinc (Zn), % 5.7 to 6.7
0 to 0.2
Zirconium (Zr), % 0.080 to 0.15
0.050 to 0.2
Residuals, % 0
0 to 0.15