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WRe3-WRe25 Type C Thermocouple Wire

Description

WRe3-WRe25 Type C thermocouple wire by spray drying milling process to improve uniformity and performance of processing, mechanical and thermal, all technical performance reach the world advanced level.

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    WRe3-WRe25 Type C thermocouple wire


WRe thermocouple is applied to 0 ~ 2300°C temperature in vacuum, inert and reducing atmosphere, and also used as molten steel rapid temperature measurement probe. Antioxidation WRe thermocouple replacing PtRh thermocouple, the application is extremely broad.


Alloy Combination

Tolerance Class

Temp Range

()

Diameter
  (mm)

Environment Bare wire

+Lead

-lead

Grade

Tungsten-5%Rhenium

(W-5%Re)

Tungsten-26%Rhenium
  (W-26%Re)

I

0-2300

0.08-0.5

Vacuum,
  Inert, Hydrogen

II

0-2300

Tungsten-3%Rhenium
  (W-3%Re)

Tungsten-25%Rhenium
    (W-25%Re)

I

0-2300

0.08-0.5

Vacuum,
  Inert, Hydrogen

II

0-2300

II

0-2300

 

        Chemical composition for Tungsten Rhenium thermocouple in Temperature Instruments

 

Grade

Chemical composition %

W

Re

WRe3

97

3

WRe25

75

25

 

        Normal diameter and tolerance

 

Grade

WRe5-WRe26

Diameter (mm)

0.25mm. 0.35mm, 0.5mm, 1.0mm

Tolerance (mm)

±0.02

 

Common Size

 

WRe alloy wire

Grade: WRe3%, WRe5%, WRe25%, WRe26%

Diameter: 0.1mm, 0.2mm, 0.25, φ0.3mm, 0.35mm, 0.5mm ...                                       

 

WRe thermocouple wire

Grade: WRe3-25, WRe5-26

Diameter: 0.1mm, 0.2mm, 0.25, φ0.3mm, 0.35mm, 0.5mm ...

 

WRe alloy rod

Grade: WRe3%, WRe5%, WRe25%, WRe26%

Diameter: 1mm, 2mm, 5mm, 10mm, 15mm, φ17mm max.

Length: 10mm, 20mm, 50mm, 100mm, 200mm, 300mm, 500mm

 

Application

 

Tungsten Rhenium alloy have good electrical properties, ductility and easy to be processed. It can be used as thermocouple for high temperature furnace.

 

WR3 and WR25(W-3Re and W-25Re)

They are used as thermal couple wire, WR3 as positive lead wire; WR25as negative lead wire;

 

WR5 and WR26 (W-5Re and W-26Re)

They are used as thermal couple wire, WR5 as positive lead wire; WR26 as negative lead wire;

 

Application condition

vacuum,hydrogen,insert atmosphere,temperature 0~2300°C. asymmetrical thermoelectromotive force: 1200°C,>=40-80μV.


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