Vitreous and porcelain enamelled manufactured articles - Determination of resistance to heat

This document specifies the basic conditions concerning the method for determining the resistance of vitreous and porcelain enamelled articles to heat. The method specified is applicable to vitreous and porcelain enamelled articles that are, in service, subjected to high temperature, for example, to some cooker components, exhaust pipe silencers, gas heating chimneys and flue pipes.

Pièces manufacturées recouvertes d'émaux vitrifiés — Détermination de la résistance à la chaleur

Le présent document spécifie les conditions de base de la méthode de détermination de la résistance à la chaleur des pièces manufacturées recouvertes d‘émaux vitrifiés. La méthode spécifiée s’applique aux pièces manufacturées recouvertes d‘émaux vitrifiés soumises en service à des températures élevées, telles que, par exemple, certains éléments de cuisinières, les silencieux de tuyaux d’échappement, les cheminées de chauffage au gaz et les tuyaux de raccordement.

General Information

Status
Published
Publication Date
24-Oct-2022
Current Stage
6060 - International Standard published
Start Date
25-Oct-2022
Due Date
15-Jul-2023
Completion Date
25-Oct-2022

Relations

Effective Date
26-Nov-2021

Overview

ISO 4530:2022 is an international standard developed by the International Organization for Standardization (ISO) that specifies the method for determining the resistance to heat of vitreous and porcelain enamelled manufactured articles. This standard applies to items exposed to high temperatures during service, such as cooker components, exhaust pipe silencers, gas heating chimneys, and flue pipes. The document outlines the test conditions, apparatus, and procedures necessary to assess how well vitreous and porcelain enamel coatings withstand thermal stress without damage.

Key Topics

  • Scope and Application
    ISO 4530:2022 defines the essential conditions to evaluate heat resistance of enamelled articles subjected to high operational temperatures.

  • Test Methodology
    The test involves subjecting enamelled articles to controlled heating and cooling cycles, reaching surface temperatures typically 50°C above operational levels. The temperature increase rate, duration, and type of heating (direct or radiant) are specified and agreed upon by stakeholders.

  • Apparatus Requirements
    Essential equipment includes an appropriate heat source for direct or radiant heating, accurate temperature measurement tools such as pyrometers (±2 °C accuracy), and timing devices like stopwatches.

  • Sampling Principles
    Test specimens must be representative of the production batch and unchanged from their manufactured state.

  • Assessment Criteria
    After thermal cycling, articles are visually inspected for defects such as cracking, chipping, flaking, or blistering in the vitreous or porcelain enamel surface.

  • Reporting Guidelines
    Detailed test reports must document testing conditions, specimen details, heating parameters, cycle counts, and any observed damages, ensuring transparency and reproducibility of results.

Applications

ISO 4530:2022 serves manufacturers, quality control professionals, and testing laboratories involved with vitreous and porcelain enamelled products exposed to heat. Practical applications include:

  • Verifying the heat durability of cooker components ensuring product safety and longevity in kitchens.
  • Assessing thermal resistance of automotive exhaust silencers to prevent premature coating failure.
  • Testing flue pipes and gas heating chimneys to ensure coating integrity under continuous high-temperature conditions.
  • Supporting product development and certification to meet national or international regulations for thermal performance.
  • Facilitating supplier quality verification and contract compliance through standardized testing methods.

By adhering to ISO 4530:2022, stakeholders can improve product reliability, enhance customer satisfaction, and reduce failures caused by thermal degradation of enamel coatings.

Related Standards

  • ISO 19496-1: Vitreous and porcelain enamels - Terminology - Part 1: Terms and definitions
    Provides the foundational terminology and definitions used in ISO 4530:2022 to ensure clarity and consistency.

  • ISO/IEC Directives, Part 1 and Part 2
    Governs the editorial rules and development procedures for ISO standards including ISO 4530:2022.

  • Other ISO standards on metallic and inorganic coatings
    Additional standards developed by ISO/TC 107 cover various aspects of coating properties and test methods applicable to vitreous and porcelain enamels.


By implementing ISO 4530:2022, organizations achieve a rigorous and internationally recognized framework for testing heat resistance in vitreous and porcelain enamelled articles-critical for applications in high-temperature environments. This standard helps ensure safety, durability, and quality assurance across multiple industries relying on enamel coatings.

Standard

ISO 4530:2022 - Vitreous and porcelain enamelled manufactured articles — Determination of resistance to heat Released:25. 10. 2022

English language
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Standard

ISO 4530:2022 - Vitreous and porcelain enamelled manufactured articles — Determination of resistance to heat Released:25. 10. 2022

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Frequently Asked Questions

ISO 4530:2022 is a standard published by the International Organization for Standardization (ISO). Its full title is "Vitreous and porcelain enamelled manufactured articles - Determination of resistance to heat". This standard covers: This document specifies the basic conditions concerning the method for determining the resistance of vitreous and porcelain enamelled articles to heat. The method specified is applicable to vitreous and porcelain enamelled articles that are, in service, subjected to high temperature, for example, to some cooker components, exhaust pipe silencers, gas heating chimneys and flue pipes.

This document specifies the basic conditions concerning the method for determining the resistance of vitreous and porcelain enamelled articles to heat. The method specified is applicable to vitreous and porcelain enamelled articles that are, in service, subjected to high temperature, for example, to some cooker components, exhaust pipe silencers, gas heating chimneys and flue pipes.

ISO 4530:2022 is classified under the following ICS (International Classification for Standards) categories: 25.220.50 - Enamels. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 4530:2022 has the following relationships with other standards: It is inter standard links to ISO 4530:1983. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ISO 4530:2022 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)


INTERNATIONAL ISO
STANDARD 4530
Second edition
2022-10
Vitreous and porcelain enamelled
manufactured articles —
Determination of resistance to heat
Pièces manufacturées recouvertes d'émaux vitrifiés — Détermination
de la résistance à la chaleur
Reference number
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
Contents Page
Foreword .iv
1 S c op e . 1
2 Nor m at i ve r ef er enc e s . 1
3 Terms and definitions . 1
4 G ener a l . 1
5 P r i nc iple . 2
6 A pp a r at u s . 2
7 S a mpl i n g . 2
8 P r o c e du re .2
9 Te s t r ep or t . 2
iii
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings,
in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC
262, Metallic and other inorganic coatings, in accordance with the Agreement on technical cooperation
between ISO and CEN (Vienna Agreement).
This second edition cancels and replaces the first edition (ISO
...


NORME ISO
INTERNATIONALE 4530
Deuxième édition
2022-10
Pièces manufacturées recouvertes
d'émaux vitrifiés — Détermination de
la résistance à la chaleur
Vitreous and porcelain enamelled manufactured articles —
Determination of resistance to heat
Numéro de référence
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2022
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives .1
3 Termes et définitions . 1
4 Généralités . 1
5 Principe. 2
6 Appareillage . 2
7 Échantillonnage .2
8 Mode opératoire . 2
9 Rapport d'essai . 3
iii
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes
nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est
en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude
a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,
gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.
L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui
concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document
a été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2
(voir www.iso.org/directives).
L'attention est appelée sur le fait que certains des éléments du présent document peuvent faire l'objet de
droits de propriété intellectuelle ou de droits analogues. L’ISO ne saurait être tenue pour responsable
de ne pas avoir identifié de tels droits de propriété. Les détails concernant les références aux droits
de propriété intellectuelle ou autres droits analogues identifiés lors de l'élaboration du document
sont indiqués dans l'Introduction et/ou dans la liste des déclarations de brevets reçues par l'ISO
(voir www.iso.org/brevets).
Les appellations commerciales éventuellement mentionnées dans le présent document sont données
pour information, par souci de commodité, à l'intention des utilisateurs et ne sauraient constituer un
engagement.
Pour une explication de la nature volontaire des normes, la signification des termes et expressions
spécifiques de l'ISO liés à l'évaluation de la conformité, ou pour toute information au sujet de l'adhésion
de l'ISO aux principes de l’Organisation mondiale du commerce (OMC) concernant les obstacles
techniques au commerce (OTC), voir le lien suivant: www.iso.org/iso/avant-propos.html.
Le présent document a été élaboré par le comité technique ISO/TC 107, Revêtements métalliques et
autres revêtements inorganiques, en collaboration avec le comité technique CEN/TC 262, Revêtements
métalliques et autres revêtements inorganiques, du Comité européen de normalisation (CEN),
conformément à l'Accord de coopération technique entre l'ISO et le CEN (Accord de Vienne).
Cette deuxième édition annule et remplace la première édition (ISO 4530:1983) qui a fait l'objet d'une
révision technique.
Les principales modifications par rapport à l’édition précédente sont les suivantes:
— le domaine d’application a été élargi de façon à inclure les tuyaux de raccordement;
— des références normatives, ainsi que des termes et définitions, ont été ajoutés;
— des éclaircissements
...

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