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2025 Aluminum vs. C77600 Nickel Silver

2025 aluminum belongs to the aluminum alloys classification, while C77600 nickel silver belongs to the copper alloys. There are 27 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 2025 aluminum and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 15
30
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
43
Shear Strength, MPa 240
410
Tensile Strength: Ultimate (UTS), MPa 400
630
Tensile Strength: Yield (Proof), MPa 260
320

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 640
830
Melting Onset (Solidus), °C 520
790
Specific Heat Capacity, J/kg-K 870
390
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
31

Otherwise Unclassified Properties

Base Metal Price, % relative 10
27
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
160
Resilience: Unit (Modulus of Resilience), kJ/m3 450
470
Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 37
22
Strength to Weight: Bending, points 40
21
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
42 to 45
Iron (Fe), % 0 to 1.0
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 0.25
Nickel (Ni), % 0
12 to 14
Silicon (Si), % 0.5 to 1.2
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
39.7 to 46
Residuals, % 0
0 to 0.5