• High Quality Type K Thermocouple Wire/Cable Nichrome Wire
  • High Quality Type K Thermocouple Wire/Cable Nichrome Wire
  • High Quality Type K Thermocouple Wire/Cable Nichrome Wire
  • High Quality Type K Thermocouple Wire/Cable Nichrome Wire
  • High Quality Type K Thermocouple Wire/Cable Nichrome Wire

High Quality Type K Thermocouple Wire/Cable Nichrome Wire

Type: Insulated
Conductor Type: Ni-Cr, Ni-Al
Conductor Material: Nichrome Wire
Sheath Material: Teflon,PVC,Fiberglass
Insulation Material: Teflon,PVC,Fiberglass
Material Shape: Flat Wire
Samples:
US$ 5/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
Thermocouple Cable
Range of Application
Senior
Certification
ISO9001
Brand
Ohmalloy
Diameter
AWG8
Status
Bright or Oxidized
Color
as Per Customers Request
Transport Package
20kg/Coil, or DIN 125 or DIN 160 or DIN 250
Trademark
OHMALLOY
Origin
China(Shanghai)
Production Capacity
50 Tons Per Month

Product Description

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.

High Quality Type K Thermocouple Wire/Cable Nichrome Wire

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

4.The available thermocouple type and alloy material:

Name and code of alloy wires
Positive Negative
Name Code Name Code
NiCr10 (Chromel) KP

NiSi3 /(Alumel)

(China standard)

KN

NiAl/(Alumel)

(IEC standard)

KN
NiCr14.2Si NP NiSi4 NN
NiCr10 (Chromel) EP CuNi45 (Constantan) EN
Fe JP CuNi45 (Constantan) JN
Cu TP CuNi45 (Constantan) TN

5.Thermocouple wire electromotive force (EMF) Tolerance:

Thermocouple Type Temperature range ºC Electromotive force(EMF) Tolerance
IEC (EN)60584 ASTM E230
Type K & Type N -40~1100 ±1.5ºC or ±0.4%t ±1.1ºC or ±0.4%
-40~1300 ±2.5ºC or ±0.75%t ±2.2ºC or ±0.75%
Type E -40~1100 ±1.5ºC or ±0.4%t ±1.0ºC or ±0.4%
-40~1300 ±2.5ºC or ±0.75%t ±1.7ºC or ±0.5%
Type J -40~750 ±1.5ºC or ±0.4%t ±1.1ºC or ±0.4%
-40~750 ±2.5ºC or ±0.75%t ±2.2ºC or ±0.75%
Type T -40~350 ±0.5ºC or ±0.4%t ±0.5ºC or ±0.4%
-40~350 ±1.0ºC or ±0.75%t ±1.0ºC or ±0.75%

Application High Quality Type K Thermocouple Wire/Cable Nichrome Wire Payment and delivery
High Quality Type K Thermocouple Wire/Cable Nichrome Wire

 

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