UNS N066??
35-20 is well-suited to high operating temperatures, exhibiting good strength up to approximately 1900°F. It is superior for use in sulfur, lead, or zinc contaminated atmospheres. Used more often from mechanical purposes than resistance purposes.
Nichrome 35-20 Fact Sheet
| Composition | [Ni 34-37% min, Cr 18-21%, Fe rem, Mn 1% max] |
| Specifications | ASTM B344(withdrawn 2011) |
| Density | --- lbs/in³ |
| Tensile Strength | -- Kpsi* |
| Elongation | --%* |
| Melt | ----° F |
| Max. Operating Temperature | 1900° F |
* Tensile strength and elongation are for annealed 0.012″ wire diameter. Please note that material performance data is provided a reference guide only… There are many factors involved in wire cloth performance, so please consult with an experienced engineer before choosing the metal best suited for your unique needs!