C and D Type Wre3/25 Wre5/26 Tungsten Rhenium Thermocouple Wire
Chemical Composition (%)
| Grade |
Chemical composition % |
| W |
Re |
| WRe3 |
97 |
3 |
| WRe25 |
75 |
25 |
| WRe5 |
95 |
5 |
| WRe26 |
74 |
26 |
Normal diameter and tolerance
| Grade |
WRe5-WRe26 |
| Diameter (mm) |
0.25mm. 0.35mm, 0.5mm, 1.0mm |
| Tolerance (mm) |
±0.02 |
The tolerance for the wire specially used in measuring molten steel
| Grade |
WRe3-WRe25 |
| Diameter(mm) |
0.08 |
0.1 |
0.5 |
| Tolerance(mm) |
±0.01 |
±0.02 |
±0.02 |
Temperature measuring tolerance
| Thermocouple type |
Temperature range(ºC) |
Tolerance |
| WRe3/25 |
0~400 |
4.0ºC |
| 400~2300 |
±0.25% |
| WRe5/26 |
0~400 |
4.0ºC |
| 400~2300 |
±0.5% |
Density and resistivity at 20ºC
| Type |
WRe3 |
WRe25 |
WRe5 |
WRe26 |
| Density(g/cm3) |
19.16 |
19.58 |
19.2 |
19.6 |
| Resistivity(μΩ.cm) |
0.0929 |
0.2667 |
0.1206 |
0.3012 |
Audited Supplier 
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