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
ICS
49.025.15 - Non-ferrous alloys in general
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
14-Apr-2025
Ref Project
SIST EN 3923:2001 - Aerospace series - Nickel base alloy NI-B41203 (NiCr7Si5B3Fe3) - Filler metal for brazing - Powder or paste

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

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.

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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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