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6066 Aluminum vs. 6151 Aluminum

Both 6066 aluminum and 6151 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 6066 aluminum and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 7.8 to 17
1.1 to 5.7
Fatigue Strength, MPa 94 to 130
80 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 95 to 240
190 to 200
Tensile Strength: Ultimate (UTS), MPa 160 to 400
330 to 340
Tensile Strength: Yield (Proof), MPa 93 to 360
270 to 280

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 560
590
Specific Heat Capacity, J/kg-K 890
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
45
Electrical Conductivity: Equal Weight (Specific), % IACS 130
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 52
3.5 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 920
520 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 16 to 39
34
Strength to Weight: Bending, points 23 to 43
39
Thermal Diffusivity, mm2/s 61
70
Thermal Shock Resistance, points 6.9 to 17
15

Alloy Composition

Aluminum (Al), % 93 to 97
95.6 to 98.8
Chromium (Cr), % 0 to 0.4
0.15 to 0.35
Copper (Cu), % 0.7 to 1.2
0 to 0.35
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.8 to 1.4
0.45 to 0.8
Manganese (Mn), % 0.6 to 1.1
0 to 0.2
Silicon (Si), % 0.9 to 1.8
0.6 to 1.2
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants