Muffle tubes in a wide range of high-temperature corrosion resistant materials. The Alleima portfolio of muffle tubes includes materials suitable for all types of shielding gases and environments, covering service conditions up to 1200ºC (2190ºF).
Our muffle tubes are characterized by long service life and contribute to reduced maintenance costs in, for example, wire drawing mills, tube annealing and in the production of bundy tube and razor blades.
Wide stock program
Alleima holds stock of muffle tubes in several commonly used sizes. The muffle tubes are available in long lengths suitable for all types of furnaces. View our stock program of high-temperature tubes
| Alleima grade (UNS) |
Max. operating temp. ºC (ºF) | Typical environments |
|---|---|---|
| Alleima® 253 MA* (UNS S30815) |
1100ºC (2010ºF) | For oxidizing and sulphidizing conditions. |
| Alleima® 353 MA* (UNS S35315) |
1150ºC (2100ºF) | For oxidizing, carburizing and nitriding conditions as well as in endothermic gas or environments containing hydrogen gas (H2). |
| Alleima® 4C54 (UNS S44600) |
800ºC (1470ºF) | For oxidizing and sulphidizing conditions as well as for environments containing hydrogen gas (H2). |
| Sanicro® 61 (UNS N06601) |
1150ºC (2100ºF) | For oxidizing and nitriding conditions. |
| Sanicro® 31HT (UNS N08811/N08810) |
1100ºC (2010ºF) | For carburizing and nitriding conditions. |
| Kanthal APM Kanthal APMT |
1200°C (2190°F) | For oxidizing, carburizing and sulphidizing conditions as well as in environments containing hydrogen gas (H2). |
*253 MA and 353 MA are trademarks owned by Outokumpu Stainless.