EN 3895:2001
(Main)Aerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for welding
Aerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for welding
This standard specifies the requirements relating to:
Heat resisting alloy NI-WH3901 (NiCr16Mo15)
Filler metal for welding
for aerospace applications.
Luft- und Raumfahrt - Hochwarmfeste Legierung NI-WH3901 (NiCr16Mo15) - Schweißzusatz
Diese Norm legt die Anforderungen an:
Hochwarmfeste Legierung NI-WH3901 (NiCr16Mo15)
Schweißzusatz
für Anwendungen in der Luft- und Raumfahrt fest.
Série aérospatiale - Alliage résistant à chaud NI-WH3901 (NiCr16Mo15) - Métal d'apport de soudage
Aerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for welding
General Information
Overview
EN 3895:2001 is a European standard developed by CEN that specifies the requirements for the heat resisting alloy NI-WH3901 (NiCr16Mo15) used as filler metal for welding in aerospace applications. This standard is part of the aerospace series of metallic material standards and ensures that welding filler metals maintain high performance and reliability in heat-resistant environments typical for aerospace components.
Developed under the guidance of the European Association of Aerospace Manufacturers (AECMA), EN 3895:2001 defines chemical composition, mechanical properties, production methods, and inspection criteria to guarantee consistent quality and suitability for critical aerospace welding applications.
Key Topics
Material Composition: Defines the specific chemical limits of NI-WH3901 alloy elements such as Nickel (Ni), Chromium (Cr), Molybdenum (Mo), and other trace elements ensuring optimal heat resistance and weldability.
Filler Metal Forms: Includes filler wire and filler rods, produced by cold drawing and annealing for enhanced mechanical and thermal characteristics.
Production Methods: Focuses on consumable electrode remelting to ensure robust microstructural integrity and performance consistency.
Mechanical and Thermal Properties: Sets minimum requirements for tensile strength, proof stress, elongation, hardness, and impact resistance to withstand high temperatures and stresses in aerospace environments.
Inspection and Quality: Refers to related standards-EN 3879, EN 2043-detailing external/internal defect limits, dimensional inspection, batch uniformity, and marking to ensure traceability and product quality.
Heat Treatment Guidance: Provides codes and conditions for heat treatment applicable to the filler materials to achieve desired properties and compliance with aerospace service requirements.
Applications
Aerospace Welding: EN 3895:2001 compliant filler metals are used extensively for welding components in aircraft engines, gas turbines, exhaust systems, and other aerospace parts where high heat resistance is mandatory.
High-Temperature Alloy Welding: Suitable for joining or repairing NiCrMo based superalloys exposed to elevated temperatures and corrosive environments.
Manufacturing and Maintenance: Enables aerospace manufacturers and maintenance providers to select appropriate filler metals that meet rigorous international aerospace quality and performance standards.
Related Standards
EN 3879: Aerospace series – Metallic materials – Filler metals for welding – Technical specification. Provides comprehensive technical requirements that complement EN 3895 for filler metals.
EN 2043: Addresses general requirements for metallic material semi-finished products, including product qualification relevant to aerospace series.
EN 4258: Defines the overall organization and linkage between different aerospace material standards.
EN 4500-3: Specifies rules for drafting and presenting material standards, including specific provisions for heat resisting alloys like NI-WH3901.
Practical Value
Adherence to EN 3895:2001 enables aerospace manufacturers and fabricators to:
Ensure filler metals meet stringent chemical and mechanical specifications critical for heat-resistant aerospace welds.
Improve reliability and lifespan of welded aerospace components under extreme operating temperatures.
Maintain compliance with European and international aerospace quality assurance frameworks through standardized production and inspection processes.
Facilitate smoother communication between manufacturers, suppliers, and aerospace authorities by following a widely recognized and harmonized standard.
By integrating EN 3895:2001 into material procurement and welding procedures, aerospace industry stakeholders can enhance safety, performance, and certification readiness of heat-resistant welded assemblies.
Frequently Asked Questions
EN 3895:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for welding". This standard covers: This standard specifies the requirements relating to: Heat resisting alloy NI-WH3901 (NiCr16Mo15) Filler metal for welding for aerospace applications.
This standard specifies the requirements relating to: Heat resisting alloy NI-WH3901 (NiCr16Mo15) Filler metal for welding for aerospace applications.
EN 3895:2001 is classified under the following ICS (International Classification for Standards) categories: 49.025.15 - Non-ferrous alloys in general. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for weldingLuft- und Raumfahrt - Hochwarmfeste Legierung NI-WH3901 (NiCr16Mo15) - SchweißzusatzSérie aérospatiale - Alliage résistant a chaud NI-WH3901 (NiCr16Mo15) - Métal d'apport de soudageAerospace series - Heat resisting alloy NI-WH3901 (NiCr16Mo15) - Filler metal for welding49.025.15Neželezove zlitine na splošnoNon-ferrous alloys in generalICS:Ta slovenski standard je istoveten z:EN 3895:2001SIST EN 3895:2002en01-januar-2002SIST EN 3895:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3895June 2001ICS 49.025.15English versionAerospace series - Heat resisting alloy NI-WH3901(NiCr16Mo15) - Filler metal for weldingSérie aérospatiale - Alliage résistant à chaud NI-WH3901(NiCr16Mo15) - Métal d'apport de soudageLuft- und Raumfahrt - Hochwarmfeste Legierung NI-WH3901 (NiCr16Mo15) - SchweißzusatzThis 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 3895:2001 ESIST EN 3895:2002
Page 2EN 3895:2001ForewordThis 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, Denmar
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