Ohmalloy Material Co.,Ltd
                                                                                                           
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18 Years
Since 2008
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Electrical Wires

Extension T Type Thermocouple Bare Wire Constantan CuNi Alloy

Price Negotiable
Price: Negotiable
MOQ: 20KG
Delivery Time: 5-18 working days after payment confirmed
Brand: OHMALLOY/OEM
Product Description

T Type Thermocouple Bare Wire Constantan TNX CuNi Alloy For Thermocouple Extension Compensation Cable Wire

 

TYPE T (Copper vs Constantan) is used or service in oxidizing, inert or reducing atmospheres or in vacuum. It is highly resistant to corrosion from atmospheric moisture and condensation and exhibits high stability at low temperatures. It is the only type with limits of error guaranteed for cryogenic temperatures.

 

1. Chemical Composition

 

Material Chemical composition (%)
Ni Cr Cu Mn Al
TP(Copper)     100    
TN(Constantan) 45   55    

 

2. Physical properties and Mechnical properties

 

 

 

Material

 

 

Density(g/cm3)

 

Melting point(℃)

 

Tensile Strength(Mpa)

 

Volume resistivity(μΩ.cm)

 

Elongation rate (%)

TP(copper) 8.9 1084 >196 1.71(20℃) >30
TN(Constantan) 8.8 1220 >390 49.0(20℃) >25

 

3. EMF Value range at different temperature

 

Material EMF value Vs Pt(μV)
-196℃ -79℃ 100℃ 150℃ 200℃ 250℃
TP(Copper) -212 -332 761~785 1263~1287 1825~1849 2450~2474
TN(Constantan) -5327 -2426 3493~3517 5412~5448 7420~7582 9507~9595

 

EMF value Vs Pt(μV)
300℃ 350℃ 400℃ 500℃ 600℃
3137~3161 3880~3904      
11655~11771 13864~13988      



FAQ

1. What's the minimum quantity customer can order?

If we have your size in stock, we can provide any quantity you want.

If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.

 

2. How can you pay for small sample amount?

We have account, wire transfer for sample amount also ok.

 

3. Customer do not have express account. How will us arrange the delivery for sample order?

Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

 

4. What's our payment terms?

We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

 

5. Do you provide free samples?

If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

 

6. What's our working time?

We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ohmalloy Material Co.,Ltd
Location Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
Contact Person Qiu

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