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C77600 Nickel Silver vs. C70620 Copper-nickel

Both C77600 nickel silver and C70620 copper-nickel are copper alloys. They have 54% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C77600 nickel silver and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.3
0.34
Rockwell B Hardness 83
65 to 87
Shear Modulus, GPa 43
46
Tensile Strength: Ultimate (UTS), MPa 630
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 140
220
Melting Completion (Liquidus), °C 830
1120
Melting Onset (Solidus), °C 790
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 60
51
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.9
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
9.3 to 18
Strength to Weight: Bending, points 21
11 to 17
Thermal Shock Resistance, points 20
10 to 20

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Copper (Cu), % 42 to 45
86.5 to 90
Iron (Fe), % 0 to 0.2
1.0 to 1.8
Lead (Pb), % 0 to 0.25
0 to 0.020
Manganese (Mn), % 0 to 0.25
0 to 1.0
Nickel (Ni), % 12 to 14
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 39.7 to 46
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.5