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7204 Aluminum vs. C77600 Nickel Silver

7204 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 (4, 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 7204 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, % 11 to 13
30
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
43
Shear Strength, MPa 130 to 220
410
Tensile Strength: Ultimate (UTS), MPa 220 to 380
630
Tensile Strength: Yield (Proof), MPa 120 to 310
320

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 210
140
Melting Completion (Liquidus), °C 640
830
Melting Onset (Solidus), °C 520
790
Specific Heat Capacity, J/kg-K 880
390
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
31

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.4
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
160
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
470
Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 21 to 36
22
Strength to Weight: Bending, points 28 to 40
21
Thermal Shock Resistance, points 9.4 to 16
20

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
42 to 45
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0.2 to 0.7
0 to 0.25
Nickel (Ni), % 0
12 to 14
Silicon (Si), % 0 to 0.3
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
39.7 to 46
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5