Aerospace series - Method of preparation of forged samples

This European Standard defines the requirements for the preparation of forged test samples. Unless otherwise specified on the drawing, order, or inspection schedule, this document shall be applied when referenced in the relevant EN material standard or EN technical specification. This document applies to round products of ≥ 20 mm diameters or other shapes of equivalent cross-section.

Luft- und Raumfahrt - Verfahren zur Herstellung von Schmiedeproben

Dieses Dokument legt die Anforderungen für die Herstellung von Schmiedeprüfteilen fest.
Sofern in der Zeichnung, Bestellung oder in der Prüfanweisung nichts anderes festgelegt ist, muss dieses Dokument angewendet werden, wenn in der relevanten EN-Werkstoffnorm oder technischen Lieferbedingung einer EN darauf verwiesen wird.
Dieses Dokument gilt für runde Produkte mit einem Durchmesser von ≥ 20 mm oder für andere Formen mit einem äquivalenten Querschnitt.

Série aérospatiale - Méthode pour la préparation d'échantillons forgés

Le présent document détermine les exigences pour la préparation d’échantillons d’essai forgés.
Sauf indication contraire dans le dessin, la commande, ou le programme d’inspection, le présent document doit être appliqué dans la norme matériau EN appropriée ou dans la spécification technique EN.
Le présent document s’applique aux produits ronds de ≥ 20 mm de diamètre ou autres formes de section transversale équivalentes.

Aeronavtika - Metoda priprave kovanih vzorcev

Ta evropski standard določa zahteve za pripravo kovanih preskusnih vzorcev. Če ni na risbi, v naročilu ali v razporedu pregledov navedeno drugače, je treba ta dokument uporabljati, kadar se nanj sklicuje določilo v ustreznem standardu EN za materiale ali tehnični specifikaciji EN. Ta dokument se uporablja za okrogle izdelke s premerom ≥ 20 mm ali druge oblike z enakovrednim prečnim prerezom.

General Information

Publication Date
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
Due Date
Completion Date

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EN 2957:2020
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Standards Content (Sample)

SIST EN 2957:2020
Aeronavtika - Metoda priprave kovanih vzorcev
Aerospace series - Method of preparation of forged samples
Luft- und Raumfahrt - Verfahren zur Herstellung von Schmiedeproben
Série aérospatiale - Méthode pour la préparation d'échantillons forgés
Ta slovenski standard je istoveten z: EN 2957:2019
49.025.99 Drugi materiali Other materials
SIST EN 2957:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 2957:2020

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SIST EN 2957:2020

EN 2957


September 2019
ICS 49.025.99
English Version

Aerospace series - Method of preparation of forged
Série aérospatiale - Méthode pour la préparation Luft- und Raumfahrt - Verfahren zur Herstellung von
d'échantillons forgés Schmiedeproben
This European Standard was approved by CEN on 6 January 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

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.



CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2957:2019 E
worldwide for CEN national Members.

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SIST EN 2957:2020
EN 2957:2019 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Method of blank removal . 4
5 Forging conditions . 6
6 Pancake use . 6


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SIST EN 2957:2020
EN 2957:2019 (E)
European foreword
This document (EN 2957:2019) has been prepared by the Aerospace and Defence Industries Association
of Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
ASD, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2020, and conflicting national standards shall be
withdrawn at the latest by March 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held respo

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