All materials
Ferritic stainless steels
Osprey® 441
S43940 · X2CrTiNb18, 1.4509 · 441
Osprey® 441 is a ferritic stainless steel characterized by good corrosion resistance in acidic and chloride containing environments, and high strength.
Chemical composition, %
- C
- 0.005-0.030
- Si
- < 1.0
- Mn
- < 1.0
- P
- < 0.040
- S
- < 0.040
- Cr
- 17.5-19.0
- Ni
- < 1.0
- Ti
- 0.2-0.6
- Nb
- 0.70-0.95
- Fe
- Bal.
Designations
| UNS | S43940 |
|---|---|
| EN Number | X2CrTiNb18, 1.4509 |
| ASTM, AISI | 441 |