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2017A Aluminum vs. 7076 Aluminum

Both 2017A aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. There are 30 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 2017A aluminum and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 2.2 to 14
6.2
Fatigue Strength, MPa 92 to 130
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
27
Shear Strength, MPa 120 to 270
310
Tensile Strength: Ultimate (UTS), MPa 200 to 460
530
Tensile Strength: Yield (Proof), MPa 110 to 290
460

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 510
460
Specific Heat Capacity, J/kg-K 880
860
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.7 to 53
31
Resilience: Unit (Modulus of Resilience), kJ/m3 90 to 570
1510
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 19 to 42
49
Strength to Weight: Bending, points 26 to 44
48
Thermal Diffusivity, mm2/s 56
54
Thermal Shock Resistance, points 8.9 to 20
23

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
86.9 to 91.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0.3 to 1.0
Iron (Fe), % 0 to 0.7
0 to 0.6
Magnesium (Mg), % 0.4 to 1.0
1.2 to 2.0
Manganese (Mn), % 0.4 to 1.0
0.3 to 0.8
Silicon (Si), % 0.2 to 0.8
0 to 0.4
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.25
7.0 to 8.0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15