Physical Properties
|
| |
Physical properties of WNS7 compared to hard temper nickel silver alloy
| Property |
WNS7 |
C7521 |
| Melting Point (oC) |
900-920 |
1060-1110 |
| Specific Gravity |
8.3 |
8.8 |
| Electrical conductivity (%IACS) |
4.4 |
5.5 |
| Thermal expansion |
17 |
17 |
| Elasticity (N/mm2) |
114000 |
125000 |
| Softening temperature (oC) |
480 |
410 |
|
 |
Melting Point = solid phase - fluid phase (oC ) |
|
|
Thermal expansion = Coefficient thermal expansion 10－6/oC
(25oC - 300oC) |
|
|
Elasticity = Longitudinal modulus of elasticity N/mm2 |
|
|
Softening temperature = Semi-softening temperatureoC
(temperature at which HV becomes to 80% of initial stage) |
|
|
|
|
