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0.12mm*2.4mm Chromel Alumel Ribbon

0.12mm*2.4mm Chromel Alumel Ribbon

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.

0.12mm*2.4mm Chromel Alumel ribbon

 

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)

97


3



 


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


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