EN 4827:2019
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Aerospace series - Hexavalent chromium free anodizing of aluminium and aluminium alloys
31-03-2020
25-09-2019
This document defines the requirements for hexavalent chromium free anodizing of aluminium and aluminium alloys for corrosion protection, bonding and painting.Hard anodizing and plasma electrolytic anodizing (micro-arc oxidation) are not covered by this document.The purpose of this document is to give design, quality and manufacturing requirements. It does not give complete in-house process instructions; these are given in the processors detailed process instructions.
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