Type J Fe CuNi45 Thermocouple Wire 0.193mm Diameter Compliant for High-Temperature Sensing
Brand Name:OHMALLOY
Certification:ISO9001-2008
Model Number:Type J
Minimum Order Quantity:10KG
Delivery Time:10-15 working days
Payment Terms:L/C, T/T,
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Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
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Type J (Fe CuNi45) Thermocouple Wire 0.193mm Diameter Compliant for
High-Temperature Sensing
TYPE J (Iron vs Constantan) is used in vacuum, oxidizing, inert or reducing atmospheres. Iron element oxidizes rapidly at temperatures exceeding 538'C, and therefore heavier gauge wire is recommended for longer life at these temperatures
1. Chemical Composition
| Material | Chemical composition (%) | ||||
| Ni | Cu | Si | Iron | Al | |
| JP(Iron) | 100 | ||||
| JN(Constantan) | 45 | 55 | |||
2. Physical properties and Mechanical properties
| Material | Density (g/cm3) | Melting point (℃) | Tensile Strength (Mpa) | Volume resistivity (μΩ.cm) | Elongation rate (%) |
| JP(Iron) | 7.8 | 1402 | >240 | 12.0(20℃) | >20 |
| JN(Constantan) | 8.8 | 1220 | >390 | 49.0(20℃) | >25 |
3. EMF Value range at different temperature
| Material | EMF value (μV) | ||||||||||
| 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | ||||||
| JP-JN | 5187~5351 | 10696~10862 | 16244~16410 | 21760~21936 | 27281~27505 | 32962~33242 | |||||
| EMF value Vs Pt (μV) | |||||||||||
| 700℃ | 750℃ | 760℃ | 800℃ | 900℃ | 1000℃ | ||||||
| 38958~39306 | 42089~42473 | 42725~43113 | |||||||||
Type J Fe CuNi45 Thermocouple Wire 0.193mm Diameter Compliant for High-Temperature Sensing
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