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6182 Aluminum vs. 7050 Aluminum

Both 6182 aluminum and 7050 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 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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