EN 12799:2000/A1:2003
(Amendment)Brazing - Non-destructive examination of brazed joints
General Information
- Abstract
This European Standard describes non-destructive examination procedures and test piece types necessary to perform the tests on brazed joints. The non-destructive examination methods described are as follows: a) visual examination (see clause 4); b) ultrasonic examination (see clause 5); c) radiographic examination (see clause 6); d) penetrant examination (see clause 7); e) leak testing (see clause 8); f) proof testing (see clause 9); g) thermography (see clause 10). The brazed joints to which these tests are applied can either be test samples manufactured to obtain brazed joint design data, or manufactured as part of the approval testing of a brazing procedure, or parts of a brazed assembly. The type of test piece described for each test can be quoted or incorporated in engineering application standards that deal with brazed assemblies. This European Standard does not recommend the number of samples to be tested or the repeat tests allowed. Neither does it specify methods of sampling brazed joints, except to give guidance regarding the precautions necessary, nor does it comment on the acceptance criteria applicable to any of the tests. No attempt is made to define which test or tests, if any , should be applied in any situation. This is a matter to be established before any particular method of test is selected. The methods of non-destructive examination are not associated with any particular type of brazed assembly but lay down the general principles of the types of testing described. It is emphasised that a satisfactory examination method can only be developed and used after taking into account all the relevant factors regarding the equipment to be used and the characteristics of the test piece being examined.
- Status
- Published
- Publication Date
- 09-Dec-2003
- Withdrawal Date
- 29-Jun-2004
- Technical Committee
- CEN/TC 121 - Welding
- Drafting Committee
- CEN/TC 121/WG 20 - Brazing
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 10-Dec-2003
- Completion Date
- 10-Dec-2003
- Directive
- Not Harmonized97/23/EC - Pressure equipment
Overview
EN 12799:2000/A1:2003 is a European Standard developed by CEN that establishes comprehensive guidelines for the non-destructive examination (NDE) of brazed joints. This standard addresses a range of NDE methods applicable to brazed assemblies, including test samples and production parts, ensuring the integrity and quality of brazed joints without causing damage. It serves as a critical reference for engineers and quality assurance professionals involved in brazing processes and inspection activities. The standard emphasizes adaptable examination principles tailored to the equipment and characteristics of the test pieces, rather than prescribing mandatory testing frequencies or acceptance criteria.
Key Topics
The standard details several non-destructive examination methods used for brazed joints:
Visual Examination
Initial inspection technique focused on detecting surface anomalies and visible defects by direct observation.Ultrasonic Examination
Uses ultrasonic waves to detect internal flaws or discontinuities within the brazed joint, providing insight into joint integrity.Radiographic Examination
Employs X-ray or gamma-ray imaging to reveal internal structural flaws not visible on the surface.Penetrant Examination
Application of liquid penetrants to surface flaws to make them visible under ultraviolet or visible light.Leak Testing
Detects leaks in brazed assemblies by pressure or vacuum methods, ensuring seal integrity.Proof Testing
Involves applying controlled mechanical or hydraulic stress to validate the strength and durability of joints.Thermography
Uses infrared imaging to identify thermal anomalies indicative of defects in the brazed joint.
EN 12799:2000/A1:2003 also clarifies that it does not mandate specific sample sizes, acceptance criteria, or test selection but provides guidance to support the development of appropriate testing strategies based on project needs.
Applications
This standard is essential for professionals in industries where brazing is a critical joining technique, including:
Aerospace and Automotive Manufacturing
Ensures brazed joints meet stringent safety and performance standards through reliable NDE techniques.HVAC and Refrigeration Systems
Verifies leak-tightness and structural integrity of brazed heat exchangers and piping.Electronics and Electrical Engineering
Confirms quality of brazed electrical contacts and components where defect-free joints enhance reliability.Industrial Fabrication and Maintenance
Used in quality control and routine inspection of brazed assemblies to prevent failures and extend service life.
By applying the procedures in EN 12799, manufacturers and inspectors can enhance product safety and reliability while optimizing testing efficiency.
Related Standards
Professionals utilizing EN 12799:2000/A1:2003 may also find the following standards relevant:
- EN ISO 17672 – Brazing - Classification, design, and quality requirements for brazed joints
- EN 13445 – Unfired pressure vessels - Design and fabrication, including brazed joint considerations
- ISO 9712 – Non-destructive testing - Qualification and certification of NDT personnel
- EN ISO 9934 – Non-destructive testing - Magnetic particle testing, applicable as complementary NDE in brazing quality assessment
These related standards complement EN 12799 by providing additional detail on brazed joint design, quality standards, and inspector qualification-supporting a comprehensive brazing quality management system.
Keywords: EN 12799, brazing non-destructive examination, brazed joint testing, ultrasonic examination, radiographic examination, leak testing, brazing inspection standard, NDE brazed joints, brazing quality control, brazed assemblies inspection
Relations
- Effective Date
- 09-Feb-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 22-Dec-2008
Get Certified
Connect with accredited certification bodies for this standard
DVS-ZERT GmbH
German welding certification society.
CARES (UK Certification Authority for Reinforcing Steels)
UK certification for reinforcing steels and construction.
EWF/IIW (European/International Welding Federation)
International welding personnel certification.
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Frequently Asked Questions
EN 12799:2000/A1:2003 is a amendment published by the European Committee for Standardization (CEN). Its full title is "Brazing - Non-destructive examination of brazed joints". This standard covers: This European Standard describes non-destructive examination procedures and test piece types necessary to perform the tests on brazed joints. The non-destructive examination methods described are as follows: a) visual examination (see clause 4); b) ultrasonic examination (see clause 5); c) radiographic examination (see clause 6); d) penetrant examination (see clause 7); e) leak testing (see clause 8); f) proof testing (see clause 9); g) thermography (see clause 10). The brazed joints to which these tests are applied can either be test samples manufactured to obtain brazed joint design data, or manufactured as part of the approval testing of a brazing procedure, or parts of a brazed assembly. The type of test piece described for each test can be quoted or incorporated in engineering application standards that deal with brazed assemblies. This European Standard does not recommend the number of samples to be tested or the repeat tests allowed. Neither does it specify methods of sampling brazed joints, except to give guidance regarding the precautions necessary, nor does it comment on the acceptance criteria applicable to any of the tests. No attempt is made to define which test or tests, if any , should be applied in any situation. This is a matter to be established before any particular method of test is selected. The methods of non-destructive examination are not associated with any particular type of brazed assembly but lay down the general principles of the types of testing described. It is emphasised that a satisfactory examination method can only be developed and used after taking into account all the relevant factors regarding the equipment to be used and the characteristics of the test piece being examined.
This European Standard describes non-destructive examination procedures and test piece types necessary to perform the tests on brazed joints. The non-destructive examination methods described are as follows: a) visual examination (see clause 4); b) ultrasonic examination (see clause 5); c) radiographic examination (see clause 6); d) penetrant examination (see clause 7); e) leak testing (see clause 8); f) proof testing (see clause 9); g) thermography (see clause 10). The brazed joints to which these tests are applied can either be test samples manufactured to obtain brazed joint design data, or manufactured as part of the approval testing of a brazing procedure, or parts of a brazed assembly. The type of test piece described for each test can be quoted or incorporated in engineering application standards that deal with brazed assemblies. This European Standard does not recommend the number of samples to be tested or the repeat tests allowed. Neither does it specify methods of sampling brazed joints, except to give guidance regarding the precautions necessary, nor does it comment on the acceptance criteria applicable to any of the tests. No attempt is made to define which test or tests, if any , should be applied in any situation. This is a matter to be established before any particular method of test is selected. The methods of non-destructive examination are not associated with any particular type of brazed assembly but lay down the general principles of the types of testing described. It is emphasised that a satisfactory examination method can only be developed and used after taking into account all the relevant factors regarding the equipment to be used and the characteristics of the test piece being examined.
EN 12799:2000/A1:2003 is classified under the following ICS (International Classification for Standards) categories: 25.160.50 - Brazing and soldering. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12799:2000/A1:2003 has the following relationships with other standards: It is inter standard links to EN 61400-4:2013, EN 14276-1:2006+A1:2011, EN 15001-1:2023, EN ISO 13691:2002, EN 12799:2000. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12799:2000/A1:2003 is associated with the following European legislation: EU Directives/Regulations: 97/23/EC; Standardization Mandates: M/071. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
EN 12799:2000/A1:2003 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)
SLOVENSKI STANDARD
01-junij-2004
Trdo spajkanje - Neporušitvene preiskave spajkanih spojev
Brazing - Non-destructive examination of brazed joints
Hartlöten - Zerstörungsfreie Prüfung von Hartlötverbindungen
Brasage fort - Contrôles non destructifs des assemblages réalisés par brasage fort
Ta slovenski standard je istoveten z: EN 12799:2000/A1:2003
ICS:
25.160.50 Trdo in mehko lotanje Brazing and soldering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celot
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