BS EN 4908:2024

This standard BS EN 4908:2024 Aerospace series. Hexavalent chromium free chemical conversion process of magnesium and magnesium alloys is classified in these ICS categories:

• 49.060 Aerospace electric equipment and systems
• 49.025.15 Non-ferrous alloys in general

This document specifies the requirements for the hexavalent chromium free chemical conversion process of magnesium and magnesium alloys to ensure an adhesion base before bonding and painting. The purpose of this document is to specify design, quality and manufacturing requirements. It does not specify complete in-house process instructions; these are specified in the processors detailed process instructions.