Tungsten Rhenium Wire
Tungsten Rhenium Wire
Fanmetal supply the Tungsten Rhenium Wire which commonly used for tungsten sapphire or sapphire tungsten-rhenium alloy wire for single crystal sapphire binding Model: W-3Re/W-25Re, W-5Re/W-20Re, W-5Re/W-26Re, W/W-26Re,
Diameter 0.3mm, 0.5mm etc.
Model: WRe3 / 25, WRe5 / 26, WRe5 / 20
Description:Low-rhenium alloy wire and high-rhenium alloy wire are matched to form a thermocouple, which has high thermoelectric potential and sensitivity, and has a wide temperature measurement range, fast response speed and good corrosion resistance. It is a good thermal sensing material in the field of temperature measurement. Due to the good performance and low cost of tungsten-rhenium wire, it is the general trend for tungsten-rhenium thermocouples to replace platinum-rhodium thermocouples.
Applicable conditions:Use in vacuum, hydrogen, inert atmosphere, and its operating temperature range is 0 ~ 2300 ℃.Tungsten Rhenium Wire has good electrical properties, ductility and processability, and can be used for thermocouple temperature measurement in high temperature furnaces.
Adding rhenium can improve the ductility of tungsten rhenium wire after recrystallization, and can be better used in lighting or thermocouples.As a thermocouple material, tungsten rhenium wire is mainly used in temperature measuring instruments, and is also very suitable for vacuum, reducing atmosphere and inert atmosphere. Tungsten rhenium wires are widely used in electron tubes, picture tubes, heating wires of light bulbs and temperature measuring instruments, and the service life of these materials is greatly improved.
Non-uniform thermo-electromotive force: The non-uniform thermo-electromotive force of the entire coil (disk) of the positive or negative wire at 1200 ° C must not exceed 40-80 μV.
Tungsten Rhenium Wire Picture:
Alloy Diameter mm | Wire Condition | Tensile Strength UTS Mpa | Elongation (%) | Microhardness VHN |
W-3Re 0.18~1.02 | drawn 50% | 2.1-3.0 | 0.5-3.0 | 470 -600 |
annealed | 1.4-2.0 | 10-30 | 380 -460 | |
W-5Re 0.18~1.02 | drawn 50% | 2.0-3.0 | 0.5-3.0 | 450 - 600 |
annealed | 1.2-1.8 | 10-30 | 350 - 430 | |
W-25Re 0.05-1.27 | drawn 40-60% | 2.4-3.5 | 0.5-3.0 | 540 -750 |
annealed | 1.7-2.3 | 10-25 | 470 - 530 |
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