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295.0-T6 Aluminum vs. 772.0-T6 Aluminum

Both 295.0-T6 aluminum and 772.0-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 93% 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 295.0-T6 aluminum and the bottom bar is 772.0-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 3.8
8.4
Fatigue Strength, MPa 50
94
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 250
320
Tensile Strength: Yield (Proof), MPa 160
250

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 530
580
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 7.9
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
25
Resilience: Unit (Modulus of Resilience), kJ/m3 180
430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 29
36
Thermal Diffusivity, mm2/s 54
58
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
91.2 to 93.2
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0 to 0.15
Magnesium (Mg), % 0 to 0.030
0.6 to 0.8
Manganese (Mn), % 0 to 0.35
0 to 0.1
Silicon (Si), % 0.7 to 1.5
0 to 0.15
Titanium (Ti), % 0 to 0.25
0.1 to 0.2
Zinc (Zn), % 0 to 0.35
6.0 to 7.0
Residuals, % 0
0 to 0.15