Type K Thermocouple Wire Dia0.05mm for Gas Thermocouple Application KP/KN Bright
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 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 |
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 |
4. Our Service
5. Questions and Answers
Q1:How can I contact with your company?
A1:We have multiple communication channels : Tel/ :+86-15826530281
Q2:Do you provide free samples?
A2:Yes,we can provide free samples for your testing,but buyer should bear the shipping costs.
Q3:What is your payment terms?
A3:30% in advance,balance after receiving the copy of B/L. T/T,L/C,,Paypal is OK.
Q4:What is your lead time?
A4:On normal condition,the lead time is 7 days after the payment. Special order or quantity is subject to the negotiation.
Q5:What is your working time?
A5: Monday to Firday: 9:00-12:00,13:30-17:30, rest in weekend.
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0.05mm Type K Thermocouple Wire KP / KN Bright For Gas Thermocouple Images
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