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2219 Aluminum vs. 6261 Aluminum

Both 2219 aluminum and 6261 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 2219 aluminum and the bottom bar is 6261 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 2.2 to 20
9.0 to 16
Fatigue Strength, MPa 90 to 130
60 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 110 to 280
90 to 180
Tensile Strength: Ultimate (UTS), MPa 180 to 480
150 to 300
Tensile Strength: Yield (Proof), MPa 88 to 390
100 to 260

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 540
610
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 110 to 170
180
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
48
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
160

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
21 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
77 to 500
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 16 to 43
15 to 31
Strength to Weight: Bending, points 23 to 44
23 to 37
Thermal Diffusivity, mm2/s 42 to 63
75
Thermal Shock Resistance, points 8.2 to 22
6.5 to 13

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
96.6 to 98.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 5.8 to 6.8
0.15 to 0.4
Iron (Fe), % 0 to 0.3
0 to 0.4
Magnesium (Mg), % 0 to 0.020
0.7 to 1.0
Manganese (Mn), % 0.2 to 0.4
0.2 to 0.35
Silicon (Si), % 0 to 0.2
0.4 to 0.7
Titanium (Ti), % 0.020 to 0.1
0 to 0.1
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0 to 0.2
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants