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KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

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KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

Brand Name : OHMALLOY/OEM

Model Number : SP-K-B

Certification : ISO9001:2018

Place of Origin : China

MOQ : 5KG

Payment Terms : L/C, T/T, , MoneyGram,Paypal

Supply Ability : 30 tons per month

Delivery Time : 5-18 working days after payment confirmed

Packaging Details : Coil+plywood case

Name : K Type Thermocouple Bare Wire

Size : 8AWG(3.2mm)/16AWG(1.29mm)/20AWG(0.8mm)

Shape : Round Wire

Surface : Bright

Accuracy : Class 1

Package : Coil+plywood Case

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Type K Thermocouple

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.

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 (%)

Diameter tolerance(mm)

KP(Chromel) 8.5 1427 >490 70.6(20℃) >10 +/- 0.02
KN(Alumel) 8.6 1399 >390 29.4(20℃) >15 +/- 0.02

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

KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG

KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG


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K Type Bare Thermocouple Wire

      

20AWG Bare Thermocouple Wire

      

Bright Bare Thermocouple Wire

      
 KP KN Chromel Alumel K Type Bare Thermocouple Wire 20AWG Manufactures

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