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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 C75200 (Nickel Silver 65-18) | ||||
| Chemical composition: Ni=18%, Zn=17%, Cu=65% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.75*10³ | kg/m³ | 546 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 124 | GPa | 18000 | ksi |
| Thermal expansion (20 ºC) | 16.2*10-6 | ºCˉ¹ | 9.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 32.9 | W/(m*K) | 228 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 28.8*10-8 | Ohm*m | 28.8*10-6 | Ohm*cm |
| Tensile strength (annealed) | 400 | MPa | 58000 | psi |
| Yield strength (annealed) | 172 | MPa | 25000 | psi |
| Elongation (annealed) | 40 | % | 40 | % |
| Hardness (annealed) | 40 | RB | 40 | RB |
| Tensile strength (cold work) | 586 | MPa | 85000 | psi |
| Yield strength (cold work) | 510 | MPa | 74000 | psi |
| Elongation (cold work) | 3 | % | 3 | % |
| Hardness (cold work) | 87 | RB | 87 | RB |
| Annealing temperature | 600-850 | ºC | 1100-1500 | ºF |
| Liquidus temperature | 1110 | ºC | 2030 | ºF |
| Solidus temperature | 1071 | ºC | 1960 | ºF |
