ASTM B633-23

Podrobné informácie

Označenie: ASTM B633-23

Dátum vydania: 01.01.2023

Stránok: 8

Krajina: Americká technická norma

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Anotácia

This specification establishes the requirements for electrodeposited zinc coatings applied to iron or steel articles for corrosion protection purposes. Electrodeposited zinc-coated steel wires or sheets are not covered here. The coatings shall be provided in four standard thickness classes in the as-plated condition or with one of three types of supplementary finishes. The surfaces of the articles shall under go pre-plating basis metal cleaning, pre- and post-coating treatment for reducing the risk of hydrogen embrittlement, and reactivation and supplementary treatments. Coatings should be sampled, prepared, tested and conform accordingly to specified requirements as to appearance (luster and workmanship), thickness, adhesion, corrosion resistance, and hydrogen embrittlement.


Keywords:
electrodeposited coatings, passivates, chromates, electrodeposited coatings, zinc,, ICS Number Code 25.220.40 (Metallic coatings)