Parts for the aerospace industry.
Martensitic chromium steel with nickel addition. Heat treatable grade, capable of taking a mirror finish. Resistant to the effects of seawater, weak acids and alkaline solutions, as well as to acids having a strong, oxidizing effect such as nitric acid. Surface finish for optimum corrosion resistance: fine ground or polished.
| Market grade | DIN |
|---|---|
| 431 | 1.4044 |
| C | Si | Mn | Cr | Ni | |
|---|---|---|---|---|---|
| 0.17 | 0.20 | 0.40 | 15.50 | 2.20 |
