| Material | Chemical composition (%) | ||||
| Ni | Cr | Si | Mn | Al | |
| KP(Chromel) | 90 | 10 | |||
| KN(Alumel) | 95 | 1-2 | 0.5-1.5 | 1-1.5 | |
|
Material |
Density(g/cm 3 ) |
Melting pointºC) |
Tensile Strength(Mpa) |
Volume resistivity(μΩ.cm) |
Elongation rate (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20ºC) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20ºC) | >15 |
| Material | EMF value Vs Pt(μV) | |||||
| 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | |
| KP(Chromel) | 2816~2896 | 5938~6018 | 9298~9378 | 12729~12821 | 16156~16266 | 19532~19676 |
| KN(Alumel) | 1218~1262 | 2140~2180 | 2849~2893 | 3600~3644 | 4403~4463 | 5271~5331 |
| EMF value Vs Pt(μV) | ||||
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC |
| 22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
| 6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
| Type | Designation | Thermocouple |
Thermocouple
Grade ID |
| SC and RC |
Copper-copper nickel 0.6 compensated
compensating lead |
Platonic-rhodium 10-platinum
Thermocouple |
S and R |
|
Platonic-rhodium 13-platinum
thermocouple |
|||
| KCA |
Iron-copper nickel 22 Compensated Compensating
Lead |
Nickel-chromium nickel
thermocouple |
K |
| KCB |
Iron-copper nickel 40 compensated compensating
lead |
||
| KX |
Nickel-chromium 10-nickel 3 prolonged
compensating Lead / compensating cable |
||
| NC | Iron-copper nickel 18 compensated compensating lead | Nickel-chromium silicon-nickel thermocouple | N |
| NX |
Nickel-chromium 14 silicon-nickel 4 prolonged
compensating lead / compensating cable |
||
| EX |
Nickel-chromium 10-nickel 45 prolonged
compensating lead / compensating cable |
Nickel-chromium-cupronickel
thermocouple |
E |
| JX |
Iron-copper nickel 45 prolonged compensating
lead / compensating cable |
Iron-constantan thermocouple | J |
| TX |
Iron-nickel-chromium 45 prolonged compensating
lead / compensating cable |
Copper-constantan
thermocouple |
T |