SIST EN 3963:2002

Aerospace series - Copper CU-BU9001 - Filler metal for brazing - Rolled foil

This standard specifies the requirements relating to:
Copper CU-BU9001
Filler metal for brazing
Rolled foil
for aerospace applications.

Luft- und Raumfahrt - Kupfer CU-BU9001 - Hartlot in Form von gewalzter Folie

Diese Norm legt die Anforderungen an:
Kupfer CU-BU9001
Hartlot in Form von
gewalzter Folie
für Anwendungen in der Luft- und Raumfahrt fest.

Série aérospatiale - Cuivre CU-BU9001 - Métal d'apport de brasage - Feuillard laminé

Aerospace series - Copper CU-BU9001 - Filler metal for brazing - Rolled foil

General Information

• Status: Published
• Publication Date: 31-Dec-2001
• ICS: 49.025.15 - Non-ferrous alloys in general
• Technical Committee: SS SPL - Technical Board for the general field
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2002
• Due Date: 01-Jan-2002
• Completion Date: 01-Jan-2002
• Ref Project: EN 3963:2001 - Aerospace series - Copper CU-BU9001 - Filler metal for brazing - Rolled foil

Relations

• Refers: SIST EN 4258:2024 - Aerospace series - Metallic materials - General organization of standardization - Link between types of European Standards and their use
• Effective Date: 28-Jan-2026

Overview

SIST EN 3963:2002 is a European standard focusing on copper CU-BU9001 filler metal for brazing in the form of rolled foil, specifically for aerospace applications. Developed by the Slovenski inštitut za standardizacijo (SIST) and approved by the European Committee for Standardization (CEN), this standard defines requirements for manufacturing, testing, and delivering copper-based filler metals used in high-performance aerospace assembly processes. It aligns national and European aerospace material specifications, ensuring interoperability, traceability, and consistency in production across member states.

Key Topics

• Material Specification: Details the chemical composition, physical form, and production processes for copper CU-BU9001 filler metal supplied as rolled foil.
• Manufacturing Requirements: Specifies the use of inert gas or vacuum melting, followed by cold rolling and cleaning to achieve the required foil characteristics.
• Quality Assurance: Stipulates external defect inspection, thermal analysis (eutectic temperature), wettability tests, batch uniformity, and dimensional inspection according to referenced standards.
• Product Qualification: Requires conformity assessment and a mutually agreed qualification programme between manufacturers and purchasers as guided by aerospace product qualification standards.
• Delivery Condition: Allows for delivery either in an as-manufactured or annealed state, with reference to EN 3875 technical specifications.

Applications

Copper CU-BU9001 filler metal in rolled foil form plays a crucial role in aerospace joining processes, offering reliable and high-quality brazed joints where precision, strength, and durability are required. Typical uses include:

• Joining of Ferrous and Nickel-Based Alloys: Suitable for bonding a range of metals employed in critical aerospace components.
• Aircraft Structure Assembly: Used in the production and repair of airframes, engines, and other mission-critical systems where robust metallurgical bonds are essential.
• High-Temperature Service: The specified eutectic temperature supports applications subject to significant thermal cycling and stress.
• Component Manufacturing: Ensures integrity in parts used for both civil and military aerospace projects demanding compliance with stringent material standards.

Complying with SIST EN 3963:2002 is essential for suppliers, manufacturers, and maintenance providers operating within the European aerospace sector, promoting safety, reliability, and regulatory acceptance.

Related Standards

SIST EN 3963:2002 interlinks with several key standards in the aerospace metallic materials series, providing a comprehensive framework for specification and compliance:

• EN 2043 - Aerospace series - Metallic materials - General requirements for semi-finished product qualification (excluding forgings and castings): Reference for qualification and traceability processes.
• EN 3875 - Aerospace series - Metallic materials - Filler metal for brazing - Technical specification: Technically aligns filler metal requirements and testing protocols across products.
• EN 4258 - Aerospace series - Metallic materials - General organization of standardization: Describes how various standards are structured and interconnected.
• EN 4500-6 - Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 6: Specific rules for filler metals for brazing: Ensures specialist requirements for standard drafting and presentation.

Employing these related standards alongside SIST EN 3963:2002 offers an integrated approach to aerospace material compliance, helping organizations meet international market demands and regulatory expectations related to copper filler metals for brazing in rolled foil form.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Copper CU-BU9001 - Filler metal for brazing - Rolled foilLuft- und Raumfahrt - Kupfer CU-BU9001 - Hartlot in Form von gewalzter FolieSérie aérospatiale - Cuivre CU-BU9001 - Métal d'apport de brasage - Feuillard laminéAerospace series - Copper CU-BU9001 - Filler metal for brazing - Rolled foil49.025.15Neželezove zlitine na splošnoNon-ferrous alloys in generalICS:Ta slovenski standard je istoveten z:EN 3963:2001SIST EN 3963:2002en01-januar-2002SIST EN 3963:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3963June 2001ICS 49.025.15English versionAerospace series - Copper CU-BU9001 - Filler metal for brazing- Rolled foilSérie aérospatiale - Cuivre CU-BU9001 - Métal d'apport debrasage - Feuillard laminéLuft- und Raumfahrt - Kupfer CU-BU9001 - Hartlot in Formvon gewalzter FolieThis European Standard was approved by CEN on 2 May 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3963:2001 ESIST EN 3963:2002

Page 2EN 3963:2001ForewordThis European Standard has been prepared by the European Association of Aerospace Manufacturers(AECMA).After inquiries and votes carried out in accordance with the rules of this Association, this Standard hasreceived the approval of the National Associations and the Official Services of the member countries ofAECMA, prior to its presentation to CEN.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, at the latest by December 2001, and conflicting national standards shall bewithdrawn at the latest by December 2001.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark,Finland, France, Germany, Greece, I
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