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6261-T6 Aluminum vs. A356.0-T6 Aluminum

Both 6261-T6 aluminum and A356.0-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 6261-T6 aluminum and the bottom bar is A356.0-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.0
6.0
Fatigue Strength, MPa 100
90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 300
270
Tensile Strength: Yield (Proof), MPa 260
200

Thermal Properties

Latent Heat of Fusion, J/g 400
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
40
Electrical Conductivity: Equal Weight (Specific), % IACS 160
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
15
Resilience: Unit (Modulus of Resilience), kJ/m3 500
280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 31
29
Strength to Weight: Bending, points 37
36
Thermal Diffusivity, mm2/s 75
64
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
91.1 to 93.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
0 to 0.2
Iron (Fe), % 0 to 0.4
0 to 0.2
Magnesium (Mg), % 0.7 to 1.0
0.25 to 0.45
Manganese (Mn), % 0.2 to 0.35
0 to 0.1
Silicon (Si), % 0.4 to 0.7
6.5 to 7.5
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15