C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
148/40
C23F 15/00 (2006.01) C23C 22/72 (2006.01)
Patent
CA 1133808
ABSTRACT OF THE DISCLOSURE In a process for increasing the corrosion resistance of nitrided component parts of iron material, i.e. a process which is applicable to any kind of iron and steel, the nitriding process is followed by an oxidizing treatment, which, according to the invention is carried out in an oxidizing salt bath during a period of 15 to 50 minutes. The salt baths preferably consist of alkali hydroxides with 2 to 20% of alkali nitrate.
358658
Kunst Helmut
Scondo Christian
Houghton Durferrit Gmbh
Marks & Clerk
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