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238.0 Aluminum vs. 6261 Aluminum

Both 238.0 aluminum and 6261 aluminum are aluminum alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 238.0 aluminum and the bottom bar is 6261 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
69
Elongation at Break, % 1.5
9.0 to 16
Fatigue Strength, MPa 110
60 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 210
150 to 300
Tensile Strength: Yield (Proof), MPa 170
100 to 260

Thermal Properties

Latent Heat of Fusion, J/g 430
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 510
610
Specific Heat Capacity, J/kg-K 840
900
Thermal Conductivity, W/m-K 100
180
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
48
Electrical Conductivity: Equal Weight (Specific), % IACS 67
160

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.4
2.7
Embodied Carbon, kg CO2/kg material 7.4
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
21 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 180
77 to 500
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
50
Strength to Weight: Axial, points 17
15 to 31
Strength to Weight: Bending, points 23
23 to 37
Thermal Diffusivity, mm2/s 37
75
Thermal Shock Resistance, points 9.1
6.5 to 13

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
96.6 to 98.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 9.5 to 10.5
0.15 to 0.4
Iron (Fe), % 1.0 to 1.5
0 to 0.4
Magnesium (Mg), % 0 to 0.25
0.7 to 1.0
Manganese (Mn), % 0
0.2 to 0.35
Silicon (Si), % 3.6 to 4.4
0.4 to 0.7
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 1.0 to 1.5
0 to 0.2
Residuals, % 0
0 to 0.15