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8021 Aluminum vs. C77600 Nickel Silver

8021 aluminum belongs to the aluminum alloys classification, while C77600 nickel silver belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 8021 aluminum and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 2.3
30
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 160
630
Tensile Strength: Yield (Proof), MPa 130
320

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 650
830
Melting Onset (Solidus), °C 640
790
Specific Heat Capacity, J/kg-K 900
390
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
27
Electrical Conductivity: Equal Weight (Specific), % IACS 180
31

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
27
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.1
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.4
160
Resilience: Unit (Modulus of Resilience), kJ/m3 130
470
Stiffness to Weight: Axial, points 14
7.9
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 7.0
20

Alloy Composition

Aluminum (Al), % 98 to 98.8
0
Copper (Cu), % 0 to 0.050
42 to 45
Iron (Fe), % 1.2 to 1.7
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0
12 to 14
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
39.7 to 46
Residuals, % 0
0 to 0.5