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201.0-T6 Aluminum vs. 7108A-T6 Aluminum

Both 201.0-T6 aluminum and 7108A-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 (5, in this case) are not shown.

For each property being compared, the top bar is 201.0-T6 aluminum and the bottom bar is 7108A-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 7.2
13
Fatigue Strength, MPa 150
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 290
210
Tensile Strength: Ultimate (UTS), MPa 460
350
Tensile Strength: Yield (Proof), MPa 390
300

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 570
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
36
Electrical Conductivity: Equal Weight (Specific), % IACS 87
110

Otherwise Unclassified Properties

Base Metal Price, % relative 38
10
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.7
8.3
Embodied Energy, MJ/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
44
Resilience: Unit (Modulus of Resilience), kJ/m3 1100
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
47
Strength to Weight: Axial, points 42
33
Strength to Weight: Bending, points 43
38
Thermal Diffusivity, mm2/s 45
59
Thermal Shock Resistance, points 24
15

Alloy Composition

Aluminum (Al), % 92.1 to 95.1
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 4.0 to 5.2
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.3
Magnesium (Mg), % 0.15 to 0.55
0.7 to 1.5
Manganese (Mn), % 0.2 to 0.5
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.2
Silver (Ag), % 0.4 to 1.0
0
Titanium (Ti), % 0.15 to 0.35
0 to 0.030
Zinc (Zn), % 0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0 to 0.1
0 to 0.15