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to Wrought copper-nickel alloys and Nickel Silvers
to Properties of copper alloys
(submitted by the website administration)
Wrought copper alloy C77000 (Nickel Silver 55-18) | ||||
Chemical composition: Ni=18%, Zn=27%, Cu=55% | ||||
Property | Value in metric unit | Value in US unit | ||
Density | 8.69*10³ | kg/m³ | 542 | lb/ft³ |
---|---|---|---|---|
Modulus of elasticity | 124 | GPa | 18000 | ksi |
Thermal expansion (20 ºC) | 16.7*10-6 | ºCˉ¹ | 9.3*10-6 | in/(in* ºF) |
Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
Thermal conductivity | 29.4 | W/(m*K) | 204 | BTU*in/(hr*ft²*ºF) |
Electric resistivity | 31.4*10-8 | Ohm*m | 31.4*10-6 | Ohm*cm |
Tensile strength (annealed) | 414 | MPa | 60000 | psi |
Yield strength (annealed) | 186 | MPa | 27000 | psi |
Elongation (annealed) | 40 | % | 40 | % |
Hardness (annealed) | 55 | RB | 55 | RB |
Tensile strength (cold work) | 745 | MPa | 108000 | psi |
Yield strength (cold work) | 621 | MPa | 90000 | psi |
Elongation (cold work) | 2 | % | 2 | % |
Hardness (cold work) | 96 | RB | 96 | RB |
Annealing temperature | 600-850 | ºC | 1100-1500 | ºF |
Liquidus temperature | 1054 | ºC | 1930 | ºF |