China 8*1000mm Acid White Nichrome Rod for Type K Chromel/Alumel, Find details about China K Type Thermocouple Wire, K Type Thermocouple Rod from 8*1000mm Acid White Nichrome Rod for Type K Chromel/Alumel
8*1000mm white acid Nichrome Rod for type K Chromel/Alumel
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.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/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 |
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 |