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6008-T6 Aluminum vs. 6351-T6 Aluminum

Both 6008-T6 aluminum and 6351-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 6008-T6 aluminum and the bottom bar is 6351-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 9.1
11
Fatigue Strength, MPa 88
90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 170
200
Tensile Strength: Ultimate (UTS), MPa 290
310
Tensile Strength: Yield (Proof), MPa 220
270

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 620
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 190
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
46
Electrical Conductivity: Equal Weight (Specific), % IACS 160
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
33
Resilience: Unit (Modulus of Resilience), kJ/m3 360
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 35
38
Thermal Diffusivity, mm2/s 77
72
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
96 to 98.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 0.4 to 0.7
0.4 to 0.8
Manganese (Mn), % 0 to 0.3
0.4 to 0.8
Silicon (Si), % 0.5 to 0.9
0.7 to 1.3
Titanium (Ti), % 0 to 0.1
0 to 0.2
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15