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Type K Chromel / Alumel Bare Thermocouple Wire For Cooling - Freezers

Categories Bare Thermocouple Wire
Brand Name: OHMALLOY
Certification: ISO9001,RoHS
MOQ: 10KG
Price: 20-50USD/KG
Payment Terms: L/C, T/T, , MoneyGram
Supply Ability: 500000kg per month
Delivery Time: 7-10 days
Packaging Details: 20kg/coil, or DIN 160 or DIN 250
Model Number: 9010R10
Place of Origin: China(Shanghai)
Material: TYPE K,TYPE N
STATUS: OXIDIZED
Dia: 6-12mm
Length: 500-1000mm
Shape: Wire/Rod/Bar/Strip
Application: Heating
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    Type K Chromel / Alumel Bare Thermocouple Wire For Cooling - Freezers

    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.It has high EMF against Platinum 67,excellent temperature accuracy,senstivity and stability,with a low cost.


    Chemical Content(%)

    Item NoNiCrAlMnSi
    Chromel9010---
    Alumel95-221

    EMF Value Range at Different Temperature

    MaterialEMF value Vs Pt(μV)
    100℃200℃300℃400℃500℃600℃
    KP(Chromel)2816~28965938~60189298~937812729~1282116156~1626619532~19676
    KN(Alumel)1218~12622140~21802849~28933600~36444403~44635271~5331

    EMF value Vs Pt(μV)
    700℃800℃900℃1000℃1100℃
    22845~2299926064~2624629223~2941132313~3252535336~35548
    6167~62477080~71607959~80598807~89079617~9737

    Style of supply

    Item NoSize
    Chromel RodDiameter 6-12mm; Length 500-1000mm
    Alumel RodDiameter 6-12mm; Length 500-1000mm

    OHMALLOY have 20 years in producing the thermocouple alloy strip. The thickness can be from 0.1mm to 2mm while the width can be from 5mm to 210mm.

    Usually, we make the normal size such as 1mmX50mm, 0.75mmX50mm, 0.75mmX100mm, they are mainly used for all kinds of thermocouple plug pin. And we also can make special size based on client’s unique requirement.

    For the type KN, We have two types. One is china standard NiSi3 ( Ni 97%, Si 3%), the other one is NiAl ( IEC standard).


    The available thermocouple type and alloy material:

    Name and code of alloy wires
    PositiveNegative
    NameCodeNameCode
    NiCr10 (Chromel)KP

    NiSi3 /(Alumel)

    (China standard)

    KN

    NiAl/(Alumel)

    (IEC standard)

    KN
    NiCr14.2SiNPNiSi4NN
    NiCr10 (Chromel)EPCuNi45 (Constantan)EN
    FeJPCuNi45 (Constantan)JN
    CuTPCuNi45 (Constantan)TN

    Thermocouple wire electromotive force (EMF) Tolerance:

    Thermocouple TypeGradeTemperature range ℃Electromotive force(EMF) Tolerance
    IEC (EN)60584ASTM E230
    Type K & Type N-40~1100±1.5℃ or ±0.4%t±1.1℃ or ±0.4%
    -40~1300±2.5℃ or ±0.75%t±2.2℃ or ±0.75%
    Type E-40~1100±1.5℃ or ±0.4%t±1.0℃ or ±0.4%
    -40~1300±2.5℃ or ±0.75%t±1.7℃ or ±0.5%
    Type J-40~750±1.5℃ or ±0.4%t±1.1℃ or ±0.4%
    -40~750±2.5℃ or ±0.75%t±2.2℃ or ±0.75%
    Type T-40~350±0.5℃ or ±0.4%t±0.5℃ or ±0.4%
    -40~350±1.0℃ or ±0.75%t±1.0℃ or ±0.75%
    Buy Type K Chromel / Alumel Bare Thermocouple Wire For Cooling - Freezers at wholesale prices
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