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7050 Aluminum vs. 6063 Aluminum

Both 7050 aluminum and 6063 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7050 aluminum and the bottom bar is 6063 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 2.2 to 12
7.3 to 21
Fatigue Strength, MPa 130 to 210
39 to 95
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280 to 330
70 to 190
Tensile Strength: Ultimate (UTS), MPa 490 to 570
110 to 300
Tensile Strength: Yield (Proof), MPa 390 to 500
49 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 490
620
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
190 to 220
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
49 to 58
Electrical Conductivity: Equal Weight (Specific), % IACS 100
160 to 190

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
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
13 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
18 to 540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 45 to 51
11 to 31
Strength to Weight: Bending, points 45 to 50
18 to 37
Thermal Diffusivity, mm2/s 54
79 to 89
Thermal Shock Resistance, points 21 to 25
4.8 to 13

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
97.5 to 99.4
Chromium (Cr), % 0 to 0.040
0 to 0.1
Copper (Cu), % 2.0 to 2.6
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.35
Magnesium (Mg), % 1.9 to 2.6
0.45 to 0.9
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 0 to 0.12
0.2 to 0.6
Titanium (Ti), % 0 to 0.060
0 to 0.1
Zinc (Zn), % 5.7 to 6.7
0 to 0.1
Zirconium (Zr), % 0.080 to 0.15
0
Residuals, % 0
0 to 0.15