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Type T TP / TN Copper Bare Thermocouple Wire 0.1mm - 8.2mm Oxidized Surface

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China Ohmalloy Material Co.,Ltd certification
China Ohmalloy Material Co.,Ltd certification
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Type T TP / TN Copper Bare Thermocouple Wire 0.1mm - 8.2mm Oxidized Surface


Large Image :  Type T TP / TN Copper Bare Thermocouple Wire 0.1mm - 8.2mm Oxidized Surface Get Best Price

Product Details:
Place of Origin: CHINA
Brand Name: OHMALLOY
Certification: ISO9001-2008
Model Number: TT -B-1214
Payment & Shipping Terms:
Minimum Order Quantity: 10Kg
Price: USD 15-30 /Kg
Packaging Details: 5kgs/spool, 10kgs/spool, 20kgs/spool, carton/wooden.
Delivery Time: 3-7 working days
Payment Terms: L/C, T/T,
Supply Ability: 500000kgs/month
Detailed Product Description
Conductor: Copper/Constantan Conductor Dia: 0.1-8.2mm
Surface: Bright & Oxidize Package: 5kgs/spool, 10kgs/spool, 20kgs/spool
Standard: ANSI96.1 Or IEC 584-2
High Light:

thermocouple bare wire


thermocouple extension wire

Type T TP/TN copper/constantan thermocouple wire 0.1mm-8.2mm


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. Physical properties and Mechnical properties



Melting point(℃)

Tensile Strength(Mpa)

Volume resistivity(μΩ.cm)

Elongation rate (%)

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


2. Chemical Composition

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



3. EMF Value range at different temperature

Material EMF value Vs Pt(μV)
-196℃ -79℃ 100℃ 150℃ 200℃ 250℃
TP(Chromel) -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      



Type T TP / TN Copper Bare Thermocouple Wire 0.1mm - 8.2mm Oxidized Surface 0


Contact Details
Ohmalloy Material Co.,Ltd

Contact Person: Kelly

Tel: +8613795230939

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