ASTM B912-02(2018)

Podrobné informácie

Označenie: ASTM B912-02(2018)

Dátum vydania: 01.10.2018

Stránok: 4

Krajina: Americká technická norma

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Anotácia

This specification covers the passivation by electropolishing of stainless steel alloys in the 200, 300, and 400 series, as well as precipitation-hardened alloys. Basis materials shall be free of clearly visible defects, and if necessary, shall undergo preparatory cleaning procedures prior to electropolishing. Post-coating procedures such as post dip and final rinsing shall be performed as well. The performance of the specimens during passivation shall be evaluated by one or more of the following procedures: water immersion test; humidity test; salt spray test; copper sulfate test; and modified ferroxyl test for free iron.


Keywords:
electropolishing, passivation, stainless steel,, ICS Number Code 49.040 (Coatings and related processes used in aerospace industry)