For highway and railway applications use:
- Aisi 304 - 316L stainless steel (treatment indicated as 40 - 41)

| 40 | Stainless steel AISI 304 - UNI EN 10088 | |
| 41 | Stainless steel AISI 316L - UNI EN 10088 |
According to:
EN 61537-1 ed.2007
Fire Resistance test - UNI EN 1363-1:2020
Bolts Not included
Typical application