Sign In | Join Free | My himfr.com |
|
Ask Lasest Price | |
Brand Name : | Huona |
Model Number : | Type K |
Certification : | ISO9001 |
Price : | Negotiable |
Payment Terms : | L/C,T/T,MoneyGram,Western Union |
Supply Ability : | 500000 meters per month |
Delivery Time : | 5-21days |
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 |
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.
![]() |