ASD-STAN PREN 4707
Aerospace series Acid pickling of aluminium and aluminium alloys without hexavalent chromium
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| Organization: | ASD-STAN |
| Publication Date: | 1 March 2018 |
| Status: | active |
| Page Count: | 12 |
scope:
This standard specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.
Document History
ASD-STAN PREN 4707
March 1, 2018
Aerospace series Acid pickling of aluminium and aluminium alloys without hexavalent chromium
This standard specifies the acid pickling of aluminium and aluminium alloys free from hexavalent chromium.
May 1, 2012
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....