TYPE KCB (Cu vs CuNi40) is used for making cable which can be extension for type K thermocouple.
Chemical composition
Material | Chemical composition (%) |
Ni | Fe | Si | Cu | Al |
KPCB |
|
|
| 100 |
|
KNCB | 40 |
|
| 60 |
|
Physical properties and Mechanical properties
Material | Density(g/cm3) | Melting point℃ | Tensile Strength (Mpa) | Volume resistivity (μΩ.cm) | Elongation rate (%) |
KPCB | 8.9 | 1450 | >190 | <1.8(20℃) | >30 |
KNCB | 8.9 | 1450 | >390 | <50(20℃) | >25 |
EMF Value range at different temperature
Material | EMF value Vs Pt(μV) |
1st tolerance | 2nd tolerance |
100℃ | 200℃ | 100℃ | 200℃ |
KPCB | 4052-4140 | 8094-8182 | 4008-4184 | 8050-8226 |
KNCB |
