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2117 Aluminum vs. ASTM B522 Class II

2117 aluminum belongs to the aluminum alloys classification, while ASTM B522 class II belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2117 aluminum and the bottom bar is ASTM B522 class II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
96
Elongation at Break, % 26
1.1 to 28
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 27
34
Shear Strength, MPa 200
180 to 280
Tensile Strength: Ultimate (UTS), MPa 300
280 to 490
Tensile Strength: Yield (Proof), MPa 170
120 to 210

Thermal Properties

Latent Heat of Fusion, J/g 400
77
Melting Completion (Liquidus), °C 650
1030
Melting Onset (Solidus), °C 550
1030
Specific Heat Capacity, J/kg-K 880
160
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
5.7

Otherwise Unclassified Properties

Density, g/cm3 3.0
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
4.4 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 190
75 to 230
Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 47
8.9
Strength to Weight: Axial, points 28
4.4 to 7.8
Strength to Weight: Bending, points 33
5.5 to 8.0
Thermal Shock Resistance, points 12
13 to 24

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0
Gold (Au), % 0
68.5 to 69.5
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0
Platinum (Pt), % 0
5.5 to 6.5
Silicon (Si), % 0.2 to 0.8
0
Silver (Ag), % 0
24.5 to 25.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.26