DIN Standards Committee Aerospace
DIN EN 4908
Aerospace series - Hexavalent chromium free chemical conversion process of magnesium and magnesium alloys; German and English version EN 4908:2024
Luft- und Raumfahrt - Chrom(VI)-freies chemisches Umwandlungsverfahren von Magnesium und Magnesiumlegierungen; Deutsche und Englische Fassung EN 4908:2024
Overview
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. The standard EN 4908 has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) with the participation of German experts from DIN Standards Committee Aerospace (NL). The responsible German standardization committee is Working Committee NA 131-02-04 AA "Oberflächenschutz" ("Surface protection") at DIN Standards Committee Aerospace (NL).
Responsible national committee
NA 131-02-04 AA - Surface protection
