SIST EN 4291:2005

Aerospace series - Aluminium alloy AL-P8090 - Forging stock

This standard specifies the requirements relating to:
Aluminium alloy AL-P8090-
Forging stock
for aerospace application.

Luft- und Raumfahrt - Aluminiumlegierung AL-P8090 - Schmiedevormaterial

Diese Norm legt die Anforderungen an
Aluminiumlegierung AL-P8090-
Schmiedevormaterial
für Anwendungen in der Luft- und Raumfahrt fest.

Série aérospatiale - Alliage d'aluminium AL-P8090 - Produits destinés a la forge

Aerospace series - Aluminium alloy AL-P8090 - Forging stock

General Information

• Status: Published
• Publication Date: 31-Oct-2005
• ICS: 49.025.20 - Aluminium
• Technical Committee: SS SPL - Technical Board for the general field
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Nov-2005
• Due Date: 01-Nov-2005
• Completion Date: 01-Nov-2005
• Ref Project: EN 4291:2005 - Aerospace series - Aluminium alloy AL-P8090 - Forging stock

Overview

SIST EN 4291:2005 is a European standard developed by CEN that specifies the requirements for Aluminium Alloy AL-P8090 forging stock used in aerospace applications. Part of the aerospace series of metallic material standards, this document ensures high-quality and consistent materials tailored to the demanding conditions of aircraft manufacturing and other aerospace engineering fields. It addresses chemical composition, production methods, delivery conditions, mechanical properties, and testing procedures, aiming at reliable performance and safety.

This standard plays a vital role in standardizing aluminium alloy forgings to meet the aerospace industry's stringent demands, supporting manufacturers, suppliers, and purchasers in maintaining product integrity and compatibility.

Key Topics

• Material Specification
  Specifies Aluminium alloy AL-P8090 in ingot or billet form designed specifically for forging stock intended for aerospace use.

• Chemical Composition
  Defined limits for elements such as Silicon (Si), Iron (Fe), Copper (Cu), Magnesium (Mg), Zinc (Zn), Lithium (Li), Zirconium (Zr), and others to ensure optimum alloy characteristics.

• Manufacturing and Delivery Conditions
  Covers production by casting with defined maximum dimensions (≤ 500 mm for thickness or diameter), delivered in the O3 condition with specific heat treatment conditions applied, including a T89 temper option for forging.

• Mechanical Properties
  Minimum proof stress, tensile strength, and elongation values tailored for ambient temperature are prescribed for various test directions (Longitudinal, Transverse Longitudinal, and Short Transverse).

• Testing and Inspection
  Encompasses chemical, dimensional, and mechanical testing in accordance with referenced aerospace standards EN 2082-2 and EN 6018, among others. It also outlines grain size limits, density requirements (≤ 2.56 kg/dm³), and defect control measures.

• Quality and Qualification
  Product qualification programs need to be mutually agreed upon between manufacturer and purchaser, highlighting the collaborative approach to quality assurance in aerospace supply chains.

Applications

SIST EN 4291:2005 aluminium alloy AL-P8090 forging stock is primarily employed in:

• Aircraft Structural Components
  Used for parts requiring superior strength-to-weight ratios, corrosion resistance, and fatigue performance.

• Forged Aerospace Parts
  Ideal for critical aerospace components subject to mechanical stress, including connecting rods, bulkheads, and other structural forgings.

• High-Performance Aerospace Manufacturing
  Where consistent material quality, traceability, and certification are critical for compliance with aerospace safety and performance regulations.

• Research and Development in Aerospace Materials
  Used as a reference material for developing new aerospace alloys and forging processes.

Related Standards

• EN 2082-2: Aerospace series - Aluminium alloy forging stock and forgings - Technical specification for forging stock
• EN 4258: Aerospace series - Metallic materials - General organization of standardization
• EN 4500-2: Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Specific rules for aluminium and magnesium alloys
• EN 6018: Aerospace series - Test methods for metallic materials - Determination of density by displacement method

These standards complement SIST EN 4291:2005 by providing extended technical specifications, organizational structure for aerospace standardization, and precise testing methodologies that ensure material compliance across the aerospace industry.

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Keywords: SIST EN 4291:2005, Aluminium Alloy AL-P8090, aerospace forging stock, aerospace aluminium standard, aircraft alloy forging, aluminium forging aerospace, aerospace material standards, aluminium alloy forging specifications.

Standards Content (Sample)

SLOVENSKI STANDARD
01-november-2005
Aerospace series - Aluminium alloy AL-P8090 - Forging stock
Aerospace series - Aluminium alloy AL-P8090 - Forging stock
Luft- und Raumfahrt - Aluminiumlegierung AL-P8090 - Schmiedevormaterial
Série aérospatiale - Alliage d'aluminium AL-P8090 - Produits destinés a la forge
Ta slovenski standard je istoveten z: EN 4291:2005
ICS:
49.025.20 Aluminij Aluminium
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 4291
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2005
ICS 49.025.20
English version
Aerospace series - Aluminium alloy AL-P8090 - Forging stock
Série aérospatiale - Alliage d'aluminium AL-P8090 - Luft- und Raumfahrt - Aluminiumlegierung AL-P8090 -
Produits destinés à la forge Schmiedevormaterial
This European Standard was approved by CEN on 22 April 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4291:2005: E
worldwide for CEN national Members.

Foreword
This document (EN 4291:2005) has been prepared by the European Association of Aerospace
Manufacturers - Standardization (AECMA-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
AECMA, 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 December 2005, and conflicting national standards shall be withdrawn
at the latest by December 2005.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and the United Kingdom.
Introduction
This standard
...