Heat Resistant Alloys
NASH840
- JISー
- UNSー
- DIN/ENー
NASH840 is an austenitic stainless steel with excellent oxidation resistance and high temperature corrosion resistance against chlorides. It is suitable for use in high grade sheathed heater clad tubes. Nippon Yakin supplies NASH840 in sheet and strip forms.
| Chemical Composition | 19Ni-20Cr-0.4Ti-0.4Al |
|---|---|
| Product shape |
 Coil Sheet |
| Weldability | NASH840 has superior weldability. After plasma welding, no cracking occurred in the bending test or 30% tensile test. |
| Heat Treatment | Heat treatment of NASH840 can be performed in the same manner as with other austenitic stainless steels. The heat treatment temperature range which is normally used is as follows: ・Solution treatment: 1030~1100℃; water cooling |
| Applications | Sheathed heater, Furnace parts. |