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EN 4707:2020

Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium

Publication date:   May 18, 2020

General information

60.60   Standard published   Jan 15, 2020

CEN

ASD-STAN Aerospace

European Norm

25.220.20   Surface treatment | 49.025.20   Aluminium

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Scope

This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 4707:2014

NOW

PUBLISHED
EN 4707:2020
60.60 Standard published
Jan 15, 2020