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2017 Aluminum vs. 8176 Aluminum

Both 2017 aluminum and 8176 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 2017 aluminum and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 12 to 18
15
Fatigue Strength, MPa 90 to 130
59
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 130 to 260
70
Tensile Strength: Ultimate (UTS), MPa 190 to 430
160
Tensile Strength: Yield (Proof), MPa 76 to 260
95

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 510
650
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
230
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
61
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
21
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
66
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 17 to 40
16
Strength to Weight: Bending, points 24 to 42
24
Thermal Diffusivity, mm2/s 56
93
Thermal Shock Resistance, points 7.9 to 18
7.0

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
98.6 to 99.6
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.7
0.4 to 1.0
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 0.2 to 0.8
0.030 to 0.15
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.15