SIST EN 12799:2001
(Main)Brazing - Non-destructive examination of brazed joints
Brazing - Non-destructive examination of brazed joints
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.
Hartlöten - Zerstörungsfreie Prüfung von Hartlötverbindungen
Diese Europäische Norm beschreibt zerstörungsfreie Prüfverfahren und Prüfstückarten, die zur Durchführung von Prüfungen an Hartlötverbindungen notwendig sind. Die folgenden zerstörungsfreien Prüfverfahren sind beschrieben: a) Sichtprüfung (siehe Abschnitt 4); b) Ultraschallprüfung (siehe Abschnitt 5); c) Durchstrahlungsprüfung (siehe Abschnitt 6); d) Eindringprüfung (siehe Abschnitt 7);
e) Dichtheitsprüfung (siehe Abschnitt 8); f) Überdruckprüfung (siehe Abschnitt 9); g) Thermographie (siehe Abschnitt 10). Die Hartlötverbindungen, an denen diese Prüfungen durchgeführt werden, können entweder als Prüfstück hergestellt sein, um für Hartlötverbindungen Konstruktionsdaten zu ermitteln, oder Teil einer Hartlötkonstruktion sein. Auf die Art des Prüfstücks, das für jede Prüfung beschrieben wird, kann Bezug genommen werden, oder wird in den technischen Anwendungsnormen, die sich auf die Hartlötkonstruktionen beziehen, eingearbeitet. Diese Europäische Norm empfiehlt nicht die Anzahl der zu untersuchenden Prüfstücke oder der zulässigen Wiederholungsprüfungen festzulegen. Sie legt bis auf einen aufgeführten Leitfaden bezüglich der notwendigen
Vorsichtsmaßnahmen weder die Art der Probenahme aus den hartgelöteten Verbindungen fest, noch erläutert sie die Bewertungsmerkmale, die für jede der Prüfungen anzuwenden sind. Es wurde kein Versuch unternommen, festzulegen, welche Prüfung oder Prüfungen in welcher Situation angewendet werden sollten. Dies ist, bevor eine spezielle Prüfmethode ausgewalht wird, zu vereinbaren. Die Verfahren der zerstörungsfreien Prüfung beziehen sich nicht auf eine bestimmte Art hartgelöteter Konstruktionen, sie legen jedoch die allgemeinen Grundsätze der beschriebenen Prüfungsarten fest...(Abgeschnitten)
Brasage fort - Contrôles non destructifs des assemblages réalisés par brasage fort
La présente norme européenne décrit des procédures de contrôle non destructif et des types de pièces d'essai nécessaires pour effectuer les contrôles sur assemblages réalisés par brasage fort (assemblages brasés). Les méthodes de contrôle non destructif décrites sont les suivantes : a) contrôle visuel (voir article 4) ; b) contrôle par ultrasons (voir article 5) ; c) contrôle par radiographie (voir article 6) ;
d) contrôle par ressuage (voir article 7) ; e) contrôle d'étanchéité (voir article 8) ; f) épreuve de surcharge (voir article 9) ; g) thermographie (voir article 10). Les assemblages brasés sur lesquels ces contrôles sont effectués peuvent être soit fabriqués spécialement afin
d'obtenir des informations sur la conception de l'assemblage réalisé par brasage fort, soit provenir d'un assemblage réalisé spécialement pour la qualification d'un mode opératoire de brasage fort, soit être prélevés sur un assemblage brasé. Le type de pièce d'essai décrit pour chaque contrôle peut être mentionné ou incorporé dans des normes d'application qui traitent des assemblages brasés. La présente norme européenne ne donne pas de recommandations concernant le nombre d'échantillons à contrôler ou concernant les contre-essais autorisés. Elle ne spécifie pas de méthodes d'échantillonnage des assemblages brasés, bien qu'elle donne des précisions sur les précautions à prendre à ce sujet, et ne formule pas de commentaires sur les critères d'acceptation applicables aux contrôles. Elle n'a pas pour objet de définir les contrôles qu'il convient d'effectuer en fonction des situations particulières. Ce point doit être établi avant la
sélection d'une méthode d'essais particulière. Les méthodes de contrôle non destructif ne sont pas associées à un type particulier d'assemblage brasé, mais elles posent les principes généraux des méthodes de contrôle décrites...(Tronqué)
Trdo spajkanje - Neporušitvene preiskave spajkanih spojev
General Information
- Status
- Published
- Publication Date
- 30-Nov-2001
- Technical Committee
- VAR - Welding
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2001
- Due Date
- 01-Dec-2001
- Completion Date
- 01-Dec-2001
Relations
- Effective Date
- 22-Dec-2008
- Effective Date
- 18-Jan-2023
- Effective Date
- 01-Sep-2017
Overview
EN 12799:2000 (CEN) - Brazing - Non-destructive examination of brazed joints - defines the non‑destructive examination (NDE) procedures and test piece types used to inspect brazed joints. It outlines the general principles for a range of NDE methods and the types of test specimens that may be used for design data, procedure approval, or inspection of brazed assemblies. The standard sets out methods without prescribing sample counts, acceptance criteria or sampling plans.
Key topics
- Scope and purpose: general principles for NDE of brazed joints and descriptions of representative test pieces.
- NDE methods included (clauses referenced):
- Visual examination (clause 4)
- Ultrasonic examination (clause 5)
- Radiographic examination (clause 6)
- Penetrant examination (clause 7)
- Leak testing (clause 8)
- Proof testing (clause 9)
- Thermography (clause 10)
- Test-piece guidance: types of samples suitable for producing brazed joint design data, procedure approval testing, or inspection of actual assemblies.
- Limitations explicitly stated by the standard:
- Does not prescribe the number of samples to test or allowable repeat tests.
- Does not set sampling procedures (only gives precautions) or acceptance criteria.
- Does not mandate which specific test(s) must be applied for a given situation.
- Emphasis on development and selection: a satisfactory examination method must account for equipment, test-piece characteristics and all relevant factors before use.
Applications
- Establishing and documenting appropriate NDE methods for brazed components in manufacturing and R&D.
- Supporting brazing procedure development and approval by specifying test-piece types for qualification trials.
- Quality control and inspection planning for brazed assemblies across industries (e.g., HVAC, automotive components, heat exchangers, precision assemblies).
- Providing a reference for specifying available NDE techniques when creating engineering application standards for brazed products.
Who uses this standard
- NDE technicians and inspectors (visual, ultrasonic, radiography, penetrant, thermography)
- Quality assurance and production engineers working with brazing and soldering
- Design and test engineers preparing brazing procedure approvals and test programs
- Standards writers and organizations that incorporate test-piece definitions into application-specific standards
Related standards
- EN 12799 provides test methods and test‑piece types that can be quoted or incorporated into other engineering application standards. Note: acceptance criteria, sampling plans and the choice of specific tests should be defined in those application‑specific or contractual documents rather than in EN 12799 itself.
Keywords: EN 12799:2000, brazing, non‑destructive examination, NDE, brazed joints, ultrasonic, radiographic, penetrant, leak testing, thermography, visual inspection, test pieces, brazing procedure approval.
Frequently Asked Questions
SIST EN 12799:2001 is a standard published by the Slovenian Institute for Standardization (SIST). 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.
SIST EN 12799:2001 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.
SIST EN 12799:2001 has the following relationships with other standards: It is inter standard links to SIST EN 12799:2001/A1:2004, oSIST prEN 12799:2017, oSIST prEN 12799:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 12799:2001 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.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Trdo spajkanje - Neporušitvene preiskave spajkanih spojevHartlöten - Zerstörungsfreie Prüfung von HartlötverbindungenBrasage fort - Contrôles non destructifs des assemblages réalisés par brasage fortBrazing - Non-destructive examination of brazed joints25.160.50Trdo in mehko lotanjeBrazing and solderingICS:Ta slovenski standard je istoveten z:EN 12799:2000SIST EN 12799:2001en01-december-2001SIST EN 12799:2001SLOVENSKI
STANDARD
SIST EN 12799
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