• EN 14324:2004

    Current The latest, up-to-date edition.

    Brazing - Guidance on the application of brazed joints

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    Language(s): 

    Published date:  22-09-2004

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Joint design
      4.1 Principle
      4.2 Types of joint
      4.3 Assembly gap and brazing gap
          4.3.1 General
          4.3.2 Influence of brazing filler materials
          4.3.3 Influence of parent material
          4.3.4 Influence of dissimilar parent materials
          4.3.5 Influence of surface finish
          4.3.6 Influence of atmospheres or fluxes
      4.4 Surface preparation
      4.5 Stress distribution in service
      4.6 Application of filler material
      4.7 Assembly
      4.8 Good brazing design
    5 Materials
      5.1 Parent materials
          5.1.1 Basic considerations
          5.1.2 Special considerations
      5.2 Filler materials
          5.2.1 General
          5.2.2 Forms available
          5.2.3 Applications
      5.3 Fluxes
          5.3.1 General
          5.3.2 Flux removal
      5.4 Atmospheres
          5.4.1 Protective
          5.4.2 Vacuum atmospheres for brazing
      5.5 Safety
    6 Methods of brazing
    7 Heat treatment
    8 Inspection
    Annex A (informative) Examples of brazed assemblies
    Annex B (informative) Typical examples of joint design
    Annex C (informative) Filler materials most commonly used
                          for combinations of parent materials
    Annex D (informative) Suitability of brazing filler material
                          classes for the commoner brazing methods
    Annex E (informative) Methods of brazing
            E.1 Flame brazing
                E.1.1 General
                E.1.2 Hand torch brazing
                E.1.3 Mechanized flame brazing
            E.2 Induction brazing
                E.2.1 Process
                E.2.2 Application
                E.2.3 Advantages/limitations
                E.2.4 Size limitations
                E.2.5 Safety
            E.3 Resistance brazing
                E.3.1 Process
                E.3.2 Application
                E.3.3 Advantages/limitations
                E.3.4 Size limitations
                E.3.5 Safety
            E.4 Furnace brazing
                E.4.1 Process variants
                E.4.2 Protective atmosphere brazing
                E.4.3 Vacuum brazing
            E.5 Immersion brazing
                E.5.1 General
                E.5.2 Flux bath brazing
                E.5.3 Dip bath brazing
                E.5.4 Salt bath brazing
            E.6 Special methods
                E.6.1 Laser beam brazing
                E.6.2 Brazing/braze welding with an arc
                E.6.3 Other methods
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document gives guidance on the application of brazing and the manufacture of brazed joints. This standard gives an introduction to brazing and a basis for the understanding and use of brazing in different applications. Because of the wide range of applications of brazing this standard does not give detailed guidance that might be product specific. For such information reference should be made to the appropriate product standard or, for applications where this does not exist, the relevant criteria should be clearly established before any brazing is undertaken.This standard covers joint design and assembly, material aspects for both parent material and filler materials, brazing process and process variables, pre- and post-braze treatment and inspection.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 121
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    10/30227098 DC : 0 BS EN 16125 - LPG EQUIPMENT AND ACCESSORIES - PIPEWORK SYSTEMS AND SUPPORTS - LPG LIQUID PHASE AND VAPOUR PRESSURE PHASE
    I.S. EN 16125:2015 LPG EQUIPMENT AND ACCESSORIES - PIPEWORK SYSTEMS AND SUPPORTS - LPG IN LIQUID PHASE AND VAPOUR PRESSURE PHASE
    DIN EN 16125:2016-03 LPG EQUIPMENT AND ACCESSORIES - PIPEWORK SYSTEMS AND SUPPORTS - LPG LIQUID PHASE AND VAPOUR PRESSURE PHASE
    BS EN 16125:2015 LPG Equipment and Accessories. Pipework systems and supports. LPG in liquid phase and vapour pressure phase
    UNE-EN 16125:2016 LPG Equipment and Accessories - Pipework systems and supports - LPG in liquid phase and vapour pressure phase
    13/30276940 DC : 0 BS EN 16125 - LPG EQUIPMENT AND ACCESSORIES - PIPEWORK SYSTEMS AND SUPPORTS - LPG LIQUID PHASE AND VAPOUR PRESSURE PHASE
    EN 16125:2015 LPG Equipment and Accessories - Pipework systems and supports - LPG in liquid phase and vapour pressure phase
    UNE-EN 16125:2020 LPG Equipment and Accessories - Pipework systems and supports - LPG in liquid phase and vapour pressure phase

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 730-2:2002 Gas welding equipment - Safety devices - Part 2: Not incorporating a flame (flashback) arrestor
    ISO 5172:2006 Gas welding equipment Blowpipes for gas welding, heating and cutting Specifications and tests
    EN 1045:1997 Brazing - Fluxes for brazing - Classification and technical delivery conditions
    EN 731:1995 Gas welding equipment - Air-aspirated hand blowpipes - Specifications and tests
    EN 12797:2000/A1:2003 BRAZING - DESTRUCTIVE TESTS OF BRAZED JOINTS
    EN ISO 5172:2006/A2:2015 GAS WELDING EQUIPMENT - BLOWPIPES FOR GAS WELDING, HEATING AND CUTTING - SPECIFICATIONS AND TESTS (ISO 5172:2006/AMD 2:2015)
    EN 13133:2000 Brazing - Brazer approval
    EN 1044 : 1999 BRAZING - FILLER METALS
    EN ISO 18279:2003 Brazing - Imperfections in brazed joints (ISO 18279:2003)
    ISO 18279:2003 Brazing — Imperfections in brazed joints
    EN 13134:2000 Brazing - Procedure approval
    EN 730-1:2002 Gas welding equipment - Safety devices - Part 1: Incorporating a flame (flashback) arrestor
    EN 12799:2000/A1:2003 BRAZING - NON-DESTRUCTIVE EXAMINATION OF BRAZED JOINTS
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