Customization: | Available |
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Type: | Bare |
Conductor Type: | Solid |
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Nickel Chrome Alloy Chromel Strip for Tempering Furnace
TYPE K (CHROMEL vs ALUMEL ) is used in oxidizing, inert or dry reducing atmospheres. Exposure to vacuum limited to short time periods. Must be protected from sulfurous and marginally oxidizing atmospheres. Reliable and accurate at high temperatures.
1. Chemical Composition
Material |
Chemical composition (%) |
||||
Ni |
Cr |
Si |
Mn |
Al |
|
KP(Chromel) |
90 |
10 |
|
|
|
KN(Alumel) |
97 |
|
3 |
|
|
2. Physical properties and Mechnical properties
Material |
Density(g/cm3) |
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 |
3. EMF Value range at different temperature
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 |