EN 3923:2001
(Main)Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or paste
Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or paste
This standard specifies the requirements relating to:
Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3)
Filler metal for brazing
Powder or paste
for aerospace applications.
Luft- und Raumfahrt - Nickelbasislegierung NI-B41203 (NiCr7Si5B3Fe3) - Hartlot in Form von Pulver oder Paste
Série aérospatiale - Alliage base nickel NI-B41203 (NiCr7Si5B3Fe3) - Métal d'apport de brasage - Poudre ou pâte
Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or paste
General Information
- Status
- Published
- Publication Date
- 20-Feb-2001
- Withdrawal Date
- 30-Aug-2001
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 4 - Metallic
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 01-Jun-2017
- Completion Date
- 21-Jan-2026
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
EN 3923:2001 is a European standard developed by CEN that specifies the requirements for nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) used as filler metal for brazing in aerospace applications. This standard covers the nickel alloy in powder or paste form, designed to ensure high-performance joining of aerospace components. Its focus on non-ferrous alloys aligns with industry needs for reliable, high-quality brazing materials that can withstand demanding aerospace environments.
Key Topics
- Nickel Base Alloy NI-B41203: Specially formulated nickel chromium silicon boron iron alloy (NiCr7Si5B3Fe3) suitable for brazing operations.
- Filler Metal Specifications: Defines the chemical composition, physical properties, and quality requirements of the filler metal as powder or paste.
- Brazing Application: Details on the use of this filler metal in brazing processes essential for joining aerospace components.
- Material Form: Availability as either powder or paste to accommodate different brazing techniques and application needs.
- Aerospace Industry Requirements: Ensures compliance with rigorous aerospace standards regarding material performance and reliability.
Applications
EN 3923:2001 addresses brazing filler metals critical in the aerospace sector where component integrity and durability are paramount. The nickel base alloy NI-B41203 is leveraged for:
- Aerospace Component Joining: Efficient and secure joining of nickel-based, stainless steel, and other high-temperature alloys.
- High-Temperature Environments: Suitable for parts exposed to extreme thermal stresses typical in aerospace engines and systems.
- Corrosion Resistance: Enhances longevity and resistance against oxidation and corrosion in aerospace assemblies.
- Complex Assemblies: Used in fabricating complex aerospace parts where metallurgical compatibility and bonding strength are critical.
Related Standards
To ensure comprehensive quality and safety, EN 3923:2001 is often used in conjunction with related aerospace material and brazing standards such as:
- EN 12797 - Brazing filler metals for aerospace applications
- EN 1044 - Brazing processes and procedures for aerospace
- ISO 17672 - Brazing - Filler metals
- AMS 4777 / AMS 4761 - Aerospace brazing filler metal specifications
By aligning processes with these complementary standards, manufacturers guarantee optimal material performance and regulatory compliance.
Keywords: EN 3923:2001, nickel base alloy NI-B41203, brazing filler metal, powder filler metal, paste filler metal, aerospace brazing, nickel chromium alloy, aerospace materials, high-temperature brazing, non-ferrous alloys, filler metal specifications, aerospace component joining
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Frequently Asked Questions
EN 3923:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or paste". This standard covers: This standard specifies the requirements relating to: Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) Filler metal for brazing Powder or paste for aerospace applications.
This standard specifies the requirements relating to: Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) Filler metal for brazing Powder or paste for aerospace applications.
EN 3923:2001 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.
EN 3923:2001 has the following relationships with other standards: It is inter standard links to EN 4258:2024, EN 12977-5:2012. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3923:2001 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or pasteLuft- und Raumfahrt - Nickelbasislegierung NI-B41203 (NiCr7Si5B3Fe3) - Hartlot in Form von Pulver oder PasteSérie aérospatiale - Alliage base nickel NI-B41203 (NiCr7Si5B3Fe3) - Métal d'apport de brasage - Poudre ou pâteAer
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