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| Categories | Bare Thermocouple Wire |
|---|---|
| Brand Name: | OHMALLOY |
| Model Number: | K type |
| Certification: | ISO CE ROSH |
| Place of Origin: | CHINA |
| MOQ: | 100KG |
| Payment Terms: | L/C, T/T, |
| Supply Ability: | 2000KG/WEEK |
| Delivery Time: | 15WORKDAYS |
| Packaging Details: | WOODEN CASE |
| Application: | Temperature Sensors |
| Type: | Bare,K |
| Insulation material: | none |
| Product name: | thermocouple bare wire |
| Surface: | bright and oxidation |
| Size: | all size available |
| Company Info. |
| Ohmalloy Material Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Type K Thermocouple Bar Dia 10mm for Thermocouple Application Kp/Kn Oxidation
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 temperature.
1. Product Details
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 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 |
| 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 |
2. Size Range Reference
| Alloys Name | Type | Dimension | |
| SP-KPW005BW | Wire | D=0.03mm~8mm | |
| SP-KPW005BR | Ribbon | W=0.4~40 | T=0.03~2.9mm |
| SP-KPW005BS | Strip | W=8~250mm | T=0.1~3.0 |
| SP-KPW005BF | Foil | W=6~120mm | T=0.003~0.1 |
| SP-KPW005BB | Bar | Dia=8~100mm | L=50~1000 |
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