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C72800 Copper-nickel vs. 90-silver 10-nickel

C72800 copper-nickel belongs to the copper alloys classification, while 90-silver 10-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is 90-silver 10-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
82
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 44
30
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
130
Melting Completion (Liquidus), °C 1080
840
Melting Onset (Solidus), °C 920
960
Specific Heat Capacity, J/kg-K 380
260
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
90
Electrical Conductivity: Equal Weight (Specific), % IACS 11
79

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.4
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 17 to 40
6.7 to 11
Strength to Weight: Bending, points 16 to 30
8.5 to 12
Thermal Shock Resistance, points 19 to 45
11 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
0
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
8.8 to 11
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0
Silver (Ag), % 0
89 to 91
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.2