ASTM B558-25

Podrobné informácie

Označenie: ASTM B558-25

Dátum vydania: 01.11.2025

Stránok: 3

Krajina: Americká technická norma

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Anotácia

This practice serves as a guide for the preparation of nickel alloy substrates that shall undergo electroplating processes involving adherent nickel electrodeposits. Surface cleaning may be done either by degreasing (including vapor degreasing, solvent wash, emulsion cleaning, or soak cleaning), or electrolytic alkaline cleaning. The choice of cleaning procedure to use shall be decided upon by the condition of the surface. Conversely, surface activation treatment shall be performed either by anodic-cathodic sulfuric acid treatment, acid-nickel chloride treatment, or anodic etching in a low pH watts bath. The choice of activation treatment to employ shall be determined by the condition of the surface and the specific type of nickel alloy involved.


Keywords:
activation, activating treatments, cleaning, electroplating, nickel, nickel alloy,, ICS Number Code 77.150.40 (Nickel and chromium products)