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[China]
Trade Verify
Address: Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
Contact name:Qiu
Ohmalloy Material Co.,Ltd |
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Verified Suppliers
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PEF/Fiberglass Insulation Prices Type J Thermocouple Cable Multi Strands 24AWG
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 Mechnical 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 | ||||||||||
ReF. The Short Name for Materials
| Type | Insulation material | CODE | Inner Shielding | CODE | JACKET | CODE |
| K | FEP | FP | FEP | FP | ||
| T | PFA | FA | Al foil | AL | PFA | FA |
| E | PVC 70℃ | LP | copper wire | CU | PVC 70℃ | LP |
| J | PVC 105℃ | HP | Tinned copper | TC | PVC 105℃ | HP |
| N | Fiberglass 400℃ | BL | Nickel plated copper | NC | Fiberglass 400℃ | BL |
| SC | Fiberglass600℃ | BM | Silver plated copper | AC | Fiberglass600℃ | BM |
| Fiberglass700℃ | BH | Fiberglass700℃ | BH | |||
| MICA FIBER 650℃ | MA | |||||
| KCA | Vitreous Silica 800℃ | VS | SS 304 wire | SS | Vitreous Silica 800℃ | VS |
| KCB | Silica fiber1000℃ | SV | Inconel 600 wire | 600 | Silica fiber1000℃ | SV |
| RTD | Ceramic fiber1200℃ | CF | Inconel 625 wire | 625 | Ceramic fiber1200℃ | CF |
| PTFE | PT | PTFE | PT | |||
| ETFE | ET | ETFE | ET | |||
| KAPTON | KP | KAPTON | KP | |||
| Silicone rubber | SR | Silicone rubber | SR | |||
| Rubber | RU | Rubber | RU | |||
| PE | PE | PE | PE |
