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238.0 Aluminum vs. 85-silver 15-nickel

238.0 aluminum belongs to the aluminum alloys classification, while 85-silver 15-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (12, 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 238.0 aluminum and the bottom bar is 85-silver 15-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
88
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
32
Tensile Strength: Ultimate (UTS), MPa 210
260 to 470

Thermal Properties

Latent Heat of Fusion, J/g 430
140
Melting Completion (Liquidus), °C 600
870
Melting Onset (Solidus), °C 510
960
Specific Heat Capacity, J/kg-K 840
270
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
86
Electrical Conductivity: Equal Weight (Specific), % IACS 67
75

Otherwise Unclassified Properties

Density, g/cm3 3.4
10

Common Calculations

Stiffness to Weight: Axial, points 12
4.8
Stiffness to Weight: Bending, points 42
14
Strength to Weight: Axial, points 17
7.1 to 13
Strength to Weight: Bending, points 23
8.9 to 13
Thermal Shock Resistance, points 9.1
12 to 21

Alloy Composition


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Aluminum (Al), % 81.9 to 84.9
0
Copper (Cu), % 9.5 to 10.5
0
Iron (Fe), % 1.0 to 1.5
0
Magnesium (Mg), % 0 to 0.25
0
Nickel (Ni), % 0
13.8 to 16
Silicon (Si), % 3.6 to 4.4
0
Silver (Ag), % 0
84 to 86
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.2