prEN 4700-006

SLOVENSKI STANDARD
01-maj-2024
Aeronavtika - Jeklo in zlitine, odporne proti vročini - Gneteni izdelki - Tehnična
specifikacija - 006. del: Vzorci in izkovki za proizvodnjo
Aerospace series - Steel and heat-resisting alloys - Wrought products - Technical
specification - Part 006: Pre-production and production forgings
Luft- und Raumfahrt - Stahl und Hochwarmfesten Legierungen - Umgeformte
Erzeugnisse - Technische Lieferbedingungen - Teil 006: Ausfallmuster und
Serienschmiedestücke
Série aérospatiale - Aciers et alliages résistant à chaud - Produits corroyés -
Spécification technique - Partie 006 : Pièces types et pièces de série
Ta slovenski standard je istoveten z: prEN 4700-006
ICS:
49.025.10 Jekla Steels
77.140.85 Železni in jekleni kovani Iron and steel forgings
izdelki
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2024
ICS 49.025.10 Will supersede EN 4700-006:2010
English Version
Aerospace series - Steel and heat-resisting alloys -
Wrought products - Technical specification - Part 006: Pre-
production and production forgings
Série aérospatiale - Aciers et alliages résistant à chaud - Luft- und Raumfahrt - Stahl und Hochwarmfesten
Produits corroyés - Spécification technique - Partie 006 Legierungen - Umgeformte Erzeugnisse - Technische
: Pièces types et pièces de série Lieferbedingungen - Teil 006: Ausfallmuster und
Serienschmiedestücke
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 4700-006:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 7
4 Wording of order . 7
5 Health and safety . 7
6 Technical requirements . 8
6.1 General. 8
6.2 Qualification requirements . 8
6.3 Re-qualification requirements. 8
6.4 Release requirements . 9
6.5 Process control testing (procedure X) . 9
6.6 Retests . 10
6.7 Special tests . 10
6.8 Capability clause . 10
6.9 Statistical process control. 11
6.10 Inspection and test report . 11
6.11 Traceability . 11
7 Requirements . 11
Bibliography . 32

European foreword
This document (prEN 4700-006:2024) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 4700-006:2010.
The main changes with respect to the previous edition are as follows:
— update of Clause 2 “Normative references”;
— Table 2: addition of a note in line 17 and addition of ASTM E340 and ASTM E381 for steels in
line 51.
Introduction
This document is part of the series of EN metallic material standards for aerospace applications.
The general organization of this series is described in EN 4258.
1 Scope
This document specifies the requirements for the ordering, manufacture, testing, inspection and
delivery of pre-production and production forgings in steel and heat-resisting alloys.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2002-001, Aerospace series — Metallic materials — Test methods — Part 001: Tensile testing at
ambient temperature
EN 2002-002, Aerospace series — Metallic materials — Test methods — Part 002: Tensile testing at
elevated temperature
EN 2002-005, Aerospace series — Test methods for metallic materials — Part 005: Uninterrupted creep
and stress-rupture testing
EN 2002-16, Aerospace series — Metallic materials — Test methods — Part 16: Non-destructive testing
— Penetrant testing
EN 2003-002, Aerospace series — Steels — Test methods — Part 002: Izod impact test
EN 2032-001, Aerospace series — Metallic materials — Part 001: Conventional designation
EN 2032-2, Aerospace series — Metallic materials — Part 2: Coding of metallurgical condition in delivery
condition
EN 2078, Aerospace series — Metallic materials — Manufacturing schedule, inspection schedule,
inspection and test report — Definition, general principles, preparation and approval
EN 2950, Aerospace series — Test method — Wrought heat resisting alloys Semi-finished products and
parts — Conditions for macrographic and micrographic examination — Atlas of structures and defects
EN 2951, Aerospace series — Metallic materials — Micrographic determination of content of non-metallic
inclusions
EN 3874, Aerospace series — Test methods for metallic materials — Constant amplitude force-controlled
low cycle fatigue testing
EN 3987, Aerospace series — Test methods for metallic materials — Constant amplitude force-controlled
high cycle fatigue testing
EN 3988, Aerospace series — Test methods for metallic materials — Constant amplitude strain-
controlled low cycle fatigue testing
EN 4050-1, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates,
forging stock and forgings — Part 1: General requirements

Published as ASD-STAN Standard at the date of publication of this document by ASD-STAN, https://www.asd-
stan.org/.
EN 4050-4, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates,
forging stock and forgings — Part 4: Acceptance criteria
EN 4259, Aerospace series — Metallic materials — Definition of general terms
EN 10027-1, Designation systems for steels — Part 1: Steel names
EN 10079, Definition of steel products
TR 2410, Aerospace series — Metallic materials — Relationship between dimensional standards and
material standards
EN ISO 148-1, Metallic materials — Charpy pendulum impact test — Part 1: Test method (ISO 148-
1:2016)
EN ISO 643, Steels — Micrographic determination of the apparent grain size (ISO 643:2019, Corrected
version 2023-11)
EN ISO 3651-1, Determination of resistance to intergranular corrosion of stainless steels — Part 1:
Austenitic and ferritic-austenitic (duplex) stainless steels — Corrosion test in nitric acid medium by
measurement of loss in mass (Huey test) (ISO 3651-1:1998)
EN ISO 3651-2, Determination of resistance to intergranular corrosion of stainless steels — Part 2:
Ferritic, austenitic and ferritic-austenitic (duplex) stainless steels — Corrosion test in media containing
sulfuric acid (ISO 3651-2:1998)
EN ISO 6506-1, Metallic materials — Brinell hardness test — Part 1: Test method (ISO 6506-1:2014)
EN ISO 6507-1, Metallic materials — Vickers hardness test — Part 1: Test method (ISO 6507-1:2023)
EN ISO 6508-1, Metallic materials — Rockwell hardness test — Part 1: Test method (ISO 6508-1:2023)
EN ISO 6892-1, Metallic materials — Tensile testing — Part 1: Method of test at room temperature (ISO
6892-1:2019)
EN ISO 6892-2, Metallic materials — Tensile testing — Part 2: Method of test at elevated temperature
(ISO 6892-2:2018)
AMS 2315, Determination of Delta Ferrite Content
AMS 2750, Pyrometry
ASTM E709, Standard Guide for Magnetic Particle Testing
ASTM E1444, Standard Practice for Magnetic Particle Testing

Published as ASD-STAN Technical Report at the date of publication of this document by ASD-STAN,
https://www.asd-stan.org/.
Published by: SAE International (US) https://www.sae.org/.
Published by: ASTM International (US) https://www.astm.org/.
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 4259 apply. For definitions
specific to steel, EN 10079 applies.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
4 Wording of order
The order shall clearly indicate:
— quantities to be supplied;
— dates of delivery;
— material standard number;
— delivery condition and metallurgical code of products;
— dimensions and tolerances or reference to an appropriate dimensional standard;
— product designation, when required;
— forwarding address;
— nature and type of packing, if required;
— surface protection, if appropriate;
— definition and frequency of any special tests and their retest procedures, if required.
5 Health and safety
The products in the delivery condition shall fulfil the current health and safety laws of the area of the
country where it is to be delivered.
A product safety data sheet shall be available.

6 Technical requirements
6.1 General
The product shall satisfy the requirements of the order, drawing inspection schedule or material
standard: see Table 2, line 5.
The order, drawing or inspection schedule shall specify the tests to be performed upon (i) pre-forgings
for qualification and/or requalification (ii) serial production forgings for process control testing
(Procedure X: see 6.4) and (iii) b
...