CEN - EN 4707
Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium
active, Most Current
| Organization: | CEN |
| Publication Date: | 1 January 2020 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Aluminium): | 49.025.20 |
| ICS Code (Surface treatment): | 25.220.20 |
scope:
This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.
Document History
EN 4707
January 1, 2020
Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium
This document specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.
April 1, 2014
Aerospace series - Acid pickling of aluminum and aluminum alloy without hexavalent chromium
This standard specifies the acid pickling of aluminium and aluminium alloys.
It is applicable whenever referenced.
Purpose of process
Pre-treatment before penetrant testing/penetrant inspection....