Coiled Nichrome Thermocouple Wire 1200℃ Chromel Aumel ANSI Standard Class I 1 Meter Length
NiCr/NiAl Type K Thermocouple Wire
- Type: K, E, J, T, N, etc
- Style: bright or oxidized
- Application: forming two hot electrodes of thermocouple or compensating cable
- Place of Origin: Jiangsu, China (Mainland)
- Brand Name: Thermocouple wire
- Product Size: 0.05mm to 10.0mm
- Delivery time: 7-20days which is according to quantity
- Eco-friendly: Yes
- MOQ: 1kgs
- Trade term: FOB, EXW, CIF, CFR
- Payment term: T/T, , L/C
- Certificate: ISO,CQC ROHS
- Making sample time: all type in stock
- Advantage: high quality with high measuring accuracy, fast thermal response, high mechanical strength, long service lifetime, wide temp measuring range of -200-1300centigrade
Classification for thermocouple TYPE K wire
- Thermocouple level (high temperature level). This type of thermocouple wire is mainly suitable for thermocouple type K, J, E, T, N and L and other high temperature detection instrument, temperature sensor, etc.
- Compensating wire level (low temperature level). This type of thermocouple wire is mainly suitable for compensating cable and extension wire of various thermocouples of type S, R, B, K, E, J, T, N and L, heating cable, control cable and so on.
1. Chemical Composition
| Material | Chemical composition (%) |
| Ni | Cr | Si | Mn | Al |
| KP(Chromel) | 90 | 10 | | | |
| KN(Alumel) | 95 | | 1-2 | 0.5-1.5 | 1-1.5 |
2. Physical Properties and Mechnical Properties
| Material | Density(g/cm3) | Melting point℃) | Tensile Strength(Mpa) | Volume resistivity(μΩ.cm) | Elongation rate (%) |
| KP(Chromel) | 8.5 | 1427 | >490 | 70.6(20℃) | >10 |
| KN(Alumel) | 8.6 | 1399 | >390 | 29.4(20℃) | >15 |
3. EMF Value Range at Different Temperature
| Material | EMF value Vs Pt(μV) |
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ |
| 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) |
| 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ |
| 22845~22999 | 26064~26246 | 29223~29411 | 32313~32525 | 35336~35548 |
| 6167~6247 | 7080~7160 | 7959~8059 | 8807~8907 | 9617~9737 |
