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6101 Aluminum vs. 6151 Aluminum

Both 6101 aluminum and 6151 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is 6101 aluminum and the bottom bar is 6151 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 10 to 25
1.1 to 5.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 620
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220 to 230
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 57 to 60
45
Electrical Conductivity: Equal Weight (Specific), % IACS 190 to 200
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 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Thermal Diffusivity, mm2/s 89 to 93
70

Alloy Composition

Aluminum (Al), % 97.6 to 99.4
95.6 to 98.8
Boron (B), % 0 to 0.060
0
Chromium (Cr), % 0 to 0.030
0.15 to 0.35
Copper (Cu), % 0 to 0.1
0 to 0.35
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.35 to 0.8
0.45 to 0.8
Manganese (Mn), % 0 to 0.030
0 to 0.2
Silicon (Si), % 0.3 to 0.7
0.6 to 1.2
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants