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70Ag-30Ni Alloy vs. 5021 Aluminum

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while 5021 aluminum belongs to the aluminum alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, 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 70Ag-30Ni alloy and the bottom bar is 5021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
68
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 320 to 530
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Melting Completion (Liquidus), °C 960
640
Melting Onset (Solidus), °C 960
590
Specific Heat Capacity, J/kg-K 300
900
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 69
35
Electrical Conductivity: Equal Weight (Specific), % IACS 62
120

Otherwise Unclassified Properties

Density, g/cm3 10
2.7

Common Calculations

Stiffness to Weight: Axial, points 5.8
14
Stiffness to Weight: Bending, points 16
50
Strength to Weight: Axial, points 8.8 to 15
30 to 32
Strength to Weight: Bending, points 10 to 15
37
Thermal Shock Resistance, points 13 to 21
13 to 14

Alloy Composition

Aluminum (Al), % 0
95.2 to 97.7
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0
0.1 to 0.5
Nickel (Ni), % 28.8 to 31
0
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 69 to 71
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15