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