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7050 Aluminum vs. 6008 Aluminum

Both 7050 aluminum and 6008 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 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 2.2 to 12
9.1 to 17
Fatigue Strength, MPa 130 to 210
55 to 88
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280 to 330
120 to 170
Tensile Strength: Ultimate (UTS), MPa 490 to 570
200 to 290
Tensile Strength: Yield (Proof), MPa 390 to 500
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 490
620
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 140
190
Thermal Expansion, µm/m-K 24
23

Electrical Properties

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

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
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
76 to 360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 45 to 51
21 to 29
Strength to Weight: Bending, points 45 to 50
28 to 35
Thermal Diffusivity, mm2/s 54
77
Thermal Shock Resistance, points 21 to 25
9.0 to 13

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
96.5 to 99.1
Chromium (Cr), % 0 to 0.040
0 to 0.3
Copper (Cu), % 2.0 to 2.6
0 to 0.3
Iron (Fe), % 0 to 0.15
0 to 0.35
Magnesium (Mg), % 1.9 to 2.6
0.4 to 0.7
Manganese (Mn), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.12
0.5 to 0.9
Titanium (Ti), % 0 to 0.060
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 5.7 to 6.7
0 to 0.2
Zirconium (Zr), % 0.080 to 0.15
0
Residuals, % 0
0 to 0.15