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6105 Aluminum vs. 7050 Aluminum

Both 6105 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 6105 aluminum and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 9.0 to 16
2.2 to 12
Fatigue Strength, MPa 95 to 130
130 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 170
280 to 330
Tensile Strength: Ultimate (UTS), MPa 190 to 280
490 to 570
Tensile Strength: Yield (Proof), MPa 120 to 270
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 600
490
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 180 to 190
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
35
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
1110 to 1760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
45
Strength to Weight: Axial, points 20 to 29
45 to 51
Strength to Weight: Bending, points 28 to 35
45 to 50
Thermal Diffusivity, mm2/s 72 to 79
54
Thermal Shock Resistance, points 8.6 to 12
21 to 25

Alloy Composition

Aluminum (Al), % 97.2 to 99
87.3 to 92.1
Chromium (Cr), % 0 to 0.1
0 to 0.040
Copper (Cu), % 0 to 0.1
2.0 to 2.6
Iron (Fe), % 0 to 0.35
0 to 0.15
Magnesium (Mg), % 0.45 to 0.8
1.9 to 2.6
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 0.6 to 1.0
0 to 0.12
Titanium (Ti), % 0 to 0.1
0 to 0.060
Zinc (Zn), % 0 to 0.1
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15