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6261 Aluminum vs. C79200 Nickel Silver

6261 aluminum belongs to the aluminum alloys classification, while C79200 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 6261 aluminum and the bottom bar is C79200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 150 to 300
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
950
Melting Onset (Solidus), °C 610
910
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
42
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
28
Electrical Conductivity: Equal Weight (Specific), % IACS 160
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1180
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 15 to 31
16 to 18
Strength to Weight: Bending, points 23 to 37
16 to 18
Thermal Diffusivity, mm2/s 75
13
Thermal Shock Resistance, points 6.5 to 13
16 to 18

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
59 to 66.5
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0
0.8 to 1.4
Magnesium (Mg), % 0.7 to 1.0
0
Manganese (Mn), % 0.2 to 0.35
0 to 0.5
Nickel (Ni), % 0
11 to 13
Silicon (Si), % 0.4 to 0.7
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
17.9 to 29.2
Residuals, % 0
0 to 0.5