EN 4707:2020

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.

Luft- und Raumfahrt - Saures Beizen von Aluminium und Aluminiumlegierungen ohne hexavalentem Chrom

Dieses Dokument legt das Verfahren zum Beizen von Aluminium und Aluminiumlegierungen ohne sechswertiges Chrom fest.

Série aérospatiale - Décapage acide de l'aluminium et des alliages d'aluminium sans chrome hexavalent

Le présent document spécifie le décapage acide de l’aluminium et des alliages d’aluminium sans chrome hexavalent.

Aeronavtika - Kislinsko luženje aluminija in aluminijeve zlitine brez heksavalentnega kroma

Ta dokument določa kislinsko luženje aluminija in aluminijevih zlitin brez heksavalentnega kroma.

General Information

• Status: Published
• Publication Date: 14-Jan-2020
• Withdrawal Date: 30-Jul-2020
• ICS: 25.220.20 - Surface treatment
• ICS: 49.025.20 - Aluminium
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 4 - Metallic
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 15-Jan-2020
• Completion Date: 15-Jan-2020
• Ref Project: SIST EN 4707:2020 - Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium

Relations

• Replaces: EN 4707:2014 - Aerospace series - Acid pickling of aluminum and aluminum alloy without hexavalent chromium
• Effective Date: 04-Feb-2015

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 4707:2020
01-marec-2020
Nadomešča:
SIST EN 4707:2014
Aeronavtika - Kislinsko luženje aluminija in aluminijeve zlitine brez
heksavalentnega kroma
Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent
chromium
Luft- und Raumfahrt - Saures Beizen von Aluminium und Aluminiumlegierungen ohne
hexavalentem Chrom
Série aérospatiale - Décapage acide de l'aluminium et des alliages d'aluminium sans
chrome hexavalent
Ta slovenski standard je istoveten z: EN 4707:2020
ICS:
25.220.20 Površinska obdelava Surface treatment
49.025.20 Aluminij Aluminium
SIST EN 4707:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 4707:2020

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SIST EN 4707:2020


EN 4707
EUROPEAN STANDARD

NORME EUROPÉENNE

January 2020
EUROPÄISCHE NORM
ICS 25.220.20; 49.025.20 Supersedes EN 4707:2014
English Version

Aerospace series - Acid pickling of aluminium and
aluminium alloys without hexavalent chromium
Série aérospatiale - Décapage acide de l'aluminium et Luft- und Raumfahrt - Saures Beizen von Aluminium
des alliages d'aluminium sans chrome hexavalent und Aluminiumlegierungen ohne hexavalentem Chrom
This European Standard was approved by CEN on 22 April 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4707:2020 E
worldwide for CEN national Members.

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SIST EN 4707:2020
EN 4707:2020 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Purpose of process . 4
5 Information for the processor . 4
6 Condition of parts prior to processing . 4
7 Process requirements . 5
8 Required characteristics and inspection. 7
9 Quality assurance . 8
Annex A (normative) Pickling bath . 10
Annex B (informative) Example of composition and pickling parameters for pickling bath type C 11
Annex C (informative) Standard evolution form . 12
Bibliography .
...