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6151 Aluminum vs. 6065 Aluminum

Both 6151 aluminum and 6065 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 6151 aluminum and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 1.1 to 5.7
4.5 to 11
Fatigue Strength, MPa 80 to 100
96 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190 to 200
190 to 230
Tensile Strength: Ultimate (UTS), MPa 330 to 340
310 to 400
Tensile Strength: Yield (Proof), MPa 270 to 280
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 590
590
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 170
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
43
Electrical Conductivity: Equal Weight (Specific), % IACS 150
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.2
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 18
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 580
540 to 1040
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 34
31 to 40
Strength to Weight: Bending, points 39
36 to 43
Thermal Diffusivity, mm2/s 70
67
Thermal Shock Resistance, points 15
14 to 18

Alloy Composition

Aluminum (Al), % 95.6 to 98.8
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0.15 to 0.35
0 to 0.15
Copper (Cu), % 0 to 0.35
0.15 to 0.4
Iron (Fe), % 0 to 1.0
0 to 0.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.8
0.8 to 1.2
Manganese (Mn), % 0 to 0.2
0 to 0.15
Silicon (Si), % 0.6 to 1.2
0.4 to 0.8
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15

Comparable Variants