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1050 Aluminum vs. 6061 Aluminum

Both 1050 aluminum and 6061 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 1050 aluminum and the bottom bar is 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 4.6 to 37
3.4 to 20
Fatigue Strength, MPa 31 to 57
58 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 52 to 81
84 to 210
Tensile Strength: Ultimate (UTS), MPa 76 to 140
130 to 410
Tensile Strength: Yield (Proof), MPa 25 to 120
76 to 370

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 650
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
170
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
43
Electrical Conductivity: Equal Weight (Specific), % IACS 200
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Calomel Potential, mV -750
-740
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
3.8 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
42 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.8 to 14
13 to 42
Strength to Weight: Bending, points 15 to 22
21 to 45
Thermal Diffusivity, mm2/s 94
68
Thermal Shock Resistance, points 3.4 to 6.2
5.7 to 18

Alloy Composition


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Aluminum (Al), % 99.5 to 100
95.9 to 98.6
Chromium (Cr), % 0
0.040 to 0.35
Copper (Cu), % 0 to 0.050
0.15 to 0.4
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 0 to 0.050
0.8 to 1.2
Manganese (Mn), % 0 to 0.050
0 to 0.15
Silicon (Si), % 0 to 0.25
0.4 to 0.8
Titanium (Ti), % 0 to 0.030
0 to 0.15
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants