Petroleum, petrochemicals and natural gas industries - Internal coating and lining of carbon steel process vessels - Part 1: Technical requirements (ISO 18796-1:2018)

This document specifies the minimum technical requirements for surface preparation, materials, application, inspection and testing of internal coating and lining systems that are intended to be applied on internal surfaces of process vessels that are subject to marked pressure/temperature changes and/or potentially corrosive conditions or processes and aggressive chemicals, used in the oil and gas industry.
This document covers both new construction and maintenance works of process vessels as well as the repair of defective and deteriorated coating and lining systems.
This document also provides the minimum requirements for the coated and lined samples and the criteria for their approval.

Erdöl-, petrochemische und Erdgasindustrie - Innere Schutzbeschichtungen und Auskleidungen für Prozessbehälter aus unlegiertem Stahl - Teil 1: Allgemeine Anforderungen (ISO 18796-1:2018)

Industries du pétrole, de la pétrochimie et du gaz naturel - Revêtement de protection interne et doublure des récipients de production en acier au carbone - Partie 1: Exigences techniques (ISO 18796-1:2018)

Le présent document spécifie les exigences techniques minimales applicables à la préparation de surface, aux produits, à l'application, au contrôle et à l'essai des systèmes de revêtement et de doublure qui sont destinés à être appliqués sur les surfaces internes des récipients de production qui sont utilisés dans l'industrie du pétrole et du gaz naturel et qui sont soumis à des variations importantes de température/pression et/ou sont exposés à des conditions ou procédés potentiellement corrosifs et à des agents chimiques agressifs.
Le présent document couvre à la fois les nouveaux équipements et les travaux d'entretien des récipients de production, ainsi que la réparation des systèmes de revêtement et de doublure défectueux et détériorés.
Le présent document fournit également les exigences minimales pour les échantillons revêtus et doublés ainsi que les critères d'approbation associés.

Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina - Notranji premazi in obloge posod za proizvodnjo ogljikovega jekla - 1. del: Tehnične zahteve (ISO 18796-1:2018)

General Information

Status
Published
Public Enquiry End Date
02-Sep-2020
Publication Date
20-Oct-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
15-Oct-2020
Due Date
20-Dec-2020
Completion Date
21-Oct-2020

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SLOVENSKI STANDARD
SIST EN ISO 18796-1:2020
01-december-2020
Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina -
Notranji premazi in obloge posod za proizvodnjo ogljikovega jekla - 1. del:
Tehnične zahteve (ISO 18796-1:2018)

Petroleum, petrochemicals and natural gas industries - Internal coating and lining of

carbon steel process vessels - Part 1: Technical requirements (ISO 18796-1:2018)
Erdöl-, petrochemische und Erdgasindustrie - Innere Schutzbeschichtungen und
Auskleidungen für Prozessbehälter aus unlegiertem Stahl - Teil 1: Allgemeine
Anforderungen (ISO 18796-1:2018)

Industries du pétrole, de la pétrochimie et du gaz naturel - Revêtement de protection

interne et doublure des récipients de production en acier au carbone - Partie 1:
Exigences techniques (ISO 18796-1:2018)
Ta slovenski standard je istoveten z: EN ISO 18796-1:2020
ICS:
75.180.20 Predelovalna oprema Processing equipment
SIST EN ISO 18796-1:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 18796-1:2020
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SIST EN ISO 18796-1:2020
EN ISO 18796-1
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2020
EUROPÄISCHE NORM
ICS 75.180.20
English Version
Petroleum, petrochemicals and natural gas industries -
Internal coating and lining of carbon steel process vessels -
Part 1: Technical requirements (ISO 18796-1:2018)

Industries du pétrole, de la pétrochimie et du gaz Erdöl-, petrochemische und Erdgasindustrie - Innere

naturel - Revêtement de protection interne et doublure Schutzbeschichtungen und Auskleidungen für

des récipients de production en acier au carbone - Prozessbehälter aus unlegiertem Stahl - Teil 1:

Partie 1: Exigences techniques (ISO 18796-1:2018) Allgemeine Anforderungen (ISO 18796-1:2018)

This European Standard was approved by CEN on 4 October 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18796-1:2020 E

worldwide for CEN national Members.
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SIST EN ISO 18796-1:2020
EN ISO 18796-1:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 18796-1:2020
EN ISO 18796-1:2020 (E)
European foreword

The text of ISO 18796-1.2018 has been prepared by Technical Committee ISO/TC 67 "Materials,

equipment and offshore structures for petroleum, petrochemical and natural gas industries” of the

International Organization for Standardization (ISO) and has been taken over as EN ISO 18796-1:2020

by Technical Committee CEN/TC 12 “Materials, equipment and offshore structures for petroleum,

petrochemical and natural gas industries” the secretariat of which is held by NEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by April 2021, and conflicting national standards shall be

withdrawn at the latest by April 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 18796-1.2018 has been approved by CEN as EN ISO 18796-1:2020 without any

modification.
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SIST EN ISO 18796-1:2020
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SIST EN ISO 18796-1:2020
INTERNATIONAL ISO
STANDARD 18796-1
First edition
2018-10
Petroleum, petrochemicals and
natural gas industries — Internal
coating and lining of carbon steel
process vessels —
Part 1:
Technical requirements
Industries du pétrole, de la pétrochimie et du gaz naturel —
Revêtement de protection interne et doublure des récipients de
production en acier au carbone —
Partie 1: Exigences techniques
Reference number
ISO 18796-1:2018(E)
ISO 2018
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2018

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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms, definitions and abbreviated terms ................................................................................................................................ 3

3.1 Terms and definitions ....................................................................................................................................................................... 3

3.2 Abbreviated terms ............................................................................................................................................................................... 4

4 Conformance ............................................................................................................................................................................................................. 5

4.1 Rounding ...................................................................................................................................................................................................... 5

4.2 Conformance to this document ................................................................................................................................................. 5

5 Pre-work requirements ................................................................................................................................................................................ 6

5.1 General ........................................................................................................................................................................................................... 6

5.2 Safety precautions in flammable atmosphere ............................................................................................................. 6

5.3 Safety precautions in confined space .................................................................................................................................. 6

5.4 Safety precautions for blasting and coating works.................................................................................................. 6

5.5 Isolation and ventilation ................................................................................................................................................................. 7

5.6 Qualification of coating/lining application and inspection personnel ................................................... 7

6 Coating/lining materials .............................................................................................................................................................................. 7

6.1 General ........................................................................................................................................................................................................... 7

6.2 Approvals ..................................................................................................................................................................................................... 7

6.3 Procedure qualification trial (PQT) ....................................................................................................................................... 8

6.4 Pre-production trial (PPT) ............................................................................................................................................................ 8

6.5 Thickness classifications of coatings ................................................................................................................................... 9

6.6 Holding (blast) primer ..................................................................................................................................................................... 9

6.7 Coating and lining systems ........................................................................................................................................................... 9

6.8 Material approvals — Coating and lining systems ................................................................................................10

7 Surface preparation .......................................................................................................................................................................................11

7.1 General ........................................................................................................................................................................................................11

7.2 Preparations ...........................................................................................................................................................................................11

7.3 Patching, grinding, degreasing and washing (for new and rehabilitation works) ....................12

7.4 Dry abrasive blasting cleaning ...............................................................................................................................................12

7.5 Humidity control ................................................................................................................................................................................13

7.6 After blast cleaning...........................................................................................................................................................................14

8 Coating/lining application ......................................................................................................................................................................14

8.1 General requirements ....................................................................................................................................................................14

8.2 Application of environmental conditions .....................................................................................................................15

8.3 Primer application ............................................................................................................................................................................15

8.4 Coating/lining thickness .............................................................................................................................................................15

9 Coating/lining application ......................................................................................................................................................................16

10 Inspection and testing .................................................................................................................................................................................16

10.1 General requirements ....................................................................................................................................................................16

10.2 Environmental conditions testing .......................................................................................................................................17

10.3 Materials and equipment inspection ................................................................................................................................17

10.4 Compressed air and abrasive ..................................................................................................................................................17

10.5 Surface preparation inspection .............................................................................................................................................17

10.6 Coating/lining inspection and testing .............................................................................................................................18

10.6.1 General...................................................................................................................................................................................18

10.6.2 Lining film thickness .................................................................................................................................................18

10.6.3 Holiday detection test ........................................................................................................................................... ....18

10.6.4 Curing test ..........................................................................................................................................................................18

© ISO 2018 – All rights reserved iii
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)

10.7 Adhesion test .........................................................................................................................................................................................19

11 Quality requirements ...................................................................................................................................................................................19

12 Documentation ....................................................................................................................................................................................................19

12.1 General ........................................................................................................................................................................................................19

12.2 Work proposal ......................................................................................................................................................................................20

12.3 Work records/reports ...................................................................................................................................................................20

12.4 Inspection and testing reporting ..........................................................................................................................................20

12.5 Final report .............................................................................................................................................................................................20

Annex A (informative) Example of coating/lining work record/data sheet .............................................................21

Annex B (informative) Example of coating/lining inspection and testing data sheet ....................................22

Bibliography .............................................................................................................................................................................................................................23

iv © ISO 2018 – All rights reserved
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)
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 ISO/TC 67, Materials, equipment and offshore structures for petroleum,

petrochemical and natural gas industries.
A list of all parts in the ISO 18796 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
© ISO 2018 – All rights reserved v
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)
Introduction

The objective of this document is to define the minimum technical requirements for the corrosion

protection by coating/lining of internal surfaces of carbon steel process vessels used in the oil and

gas industry and subject to marked pressure/temperature changes and/or acidic or other aggressive

chemicals. In addition, this document provides technical guidance for developing project specifications

and helps to ensure compliance in coating/lining material selection and performance with contract

requirements.

Further or differing requirements can be specified for individual applications. This document does not

limit the contractor and/or manufacturer from proposing, or the company from accepting, alternative

engineering solutions for the individual application. This can particularly be applicable where there is

an innovative or emerging technology. Where an alternative is proposed, the specification issuer will

need to identify any deviation from this document and provide details.
vi © ISO 2018 – All rights reserved
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SIST EN ISO 18796-1:2020
INTERNATIONAL STANDARD ISO 18796-1:2018(E)
Petroleum, petrochemicals and natural gas industries —
Internal coating and lining of carbon steel process
vessels —
Part 1:
Technical requirements
1 Scope

This document specifies the minimum technical requirements for surface preparation, materials,

application, inspection and testing of internal coating and lining systems that are intended to be applied

on internal surfaces of process vessels that are subject to marked pressure/temperature changes and/

or potentially corrosive conditions or processes and aggressive chemicals, used in the oil and gas

industry.

This document covers both new construction and maintenance works of process vessels as well as the

repair of defective and deteriorated coating and lining systems.

This document also provides the minimum requirements for the coated and lined samples and the

criteria for their approval.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 2812 (all parts), Paints and varnishes — Determination of resistance to liquids

ISO 3233 (all parts), Paints and varnishes — Determination of the percentage volume of non-volatile matter

ISO 4624 , Paints and varnishes — Pull-off test for adhesion
ISO 7027, Water quality — Determination of turbidity

ISO 7619-1, Rubber, vulcanized or thermoplastic — Determination of indentation hardness — Part 1:

Durometer method (Shore hardness)

ISO 8501-1 , Preparation of steel substrates before application of paints and related products — Visual

assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates

and of steel substrates after overall removal of previous coatings

ISO 8501-3, Preparation of steel substrates before application of paints and related products — Visual

assessment of surface cleanliness — Part 3: Preparation grades of welds, edges and other areas with surface

imperfections

ISO 8502-3, Preparation of steel substrates before application of paints and related products — Tests for

the assessment of surface cleanliness — Part 3: Assessment of dust on steel surfaces prepared for painting

(pressure-sensitive tape method)
1) ASTM D4541 is equivalent to this document.
2) SSPC-SP5/NACE No. 1 is equivalent to this document.
© ISO 2018 – All rights reserved 1
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)

ISO 8502-6 , Preparation of steel substrates before application of paints and related products — Tests

for the assessment of surface cleanliness — Part 6: Extraction of soluble contaminants for analysis — The

Bresle method

ISO 8502-9 , Preparation of steel substrates before application of paints and related products — Tests

for the assessment of surface cleanliness — Part 9: Field method for the conductometric determination of

water-soluble salts
ISO 10474 , Steel and steel products — Inspection documents

ISO 11124 (all parts), Preparation of steel substrates before application of paints and related products —

Specifications for metallic blast-cleaning abrasives

ISO 11125 (all parts), Preparation of steel substrates before application of paints and related products —

Test methods for metallic blast-cleaning abrasives

ISO 11126 (all parts), Preparation of steel substrates before application of paints and related products —

Specifications for non-metallic blast-cleaning abrasives

ISO 11127-6, Preparation of steel substrates before application of paints and related products — Test

methods for non-metallic blast-cleaning abrasives — Part 6: Determination of water-soluble contaminants

by conductivity measurement

ISO 16276 (all parts) , Corrosion protection of steel structures by protective paint systems — Assessment

of, and acceptance criteria for, the adhesion/cohesion (fracture strength) of a coating

ISO 19840 , Paints and varnishes — Corrosion protection of steel structures by protective paint systems —

Measurement of, and acceptance criteria for, the thickness of dry films on rough surfaces

ISO 21809-3:2016 Petroleum and natural gas industries — External coatings for buried or submerged

pipelines used in pipeline transportation systems — Part 3: Field joint coatings

ISO 29601 , Paints and varnishes — Corrosion protection by protective paint systems — Assessment of

porosity in a dry film
ISO 80000-1:2009, Quantities and units — Part 1: General

ASTM D522, Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings

ASTM D610, Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces

ASTM D714, Standard Test Method for Evaluating Degree of Blistering of Paints

ASTM D2583, Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol

Impressor

ASTM D4060, Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser

ASTM D4285, Standard Test Method for Indicating Oil or Water in Compressed Air

ASTM D4414, Standard Practice for Measurement of Wet Film Thickness by Notch Gages

3) SSPC-Guide 15 is equivalent to this document (together with ISO 8502-9).
4) SSPC-Guide 15 is equivalent to this document (together with ISO 8502-6).
5) EN 10204 is equivalent to this document.
6) ASTM D4541 is equivalent to this document.
7) SSPC-PA2 is equivalent to this document.
8) ASMT G42 is equivalent to this document.
9) NACE SP0188 is equivalent to this document.
2 © ISO 2018 – All rights reserved
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SIST EN ISO 18796-1:2020
ISO 18796-1:2018(E)

ASTM F21, Standard Test Method for Hydrophobic Surface Films by the Atomizer Test

NACE/TM 0174, Standard Test Method — Laboratory Methods for the Evaluation of Protective Coatings

and Lining Materials on Metallic Substrates in Immersion Service

SSPC-SP1. Steel Structure Painting Council Surface Preparation Specifications — Solvent Cleaning

3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1.1
abrasive blast cleaning

surface preparation method that uses an abrasive propelled by air pressure, centrifugal force, or water

pressure to clean and usually to profile a surface
3.1.2
application procedure specification

document describing procedures, methods, equipment and tools used for coating application

3.1.3
applicator

contractor or subcontractor having the technical capability, knowledge, equipment, qualified personnel

that is approved by the client for the coating processes as required by this document

3.1.4
coat

one layer of protective coating or paint applied to the surface in a single application to form an evenly

distributed film when dry
3.1.5
contractor

vendor or company that agrees to furnish materials and/or perform specific project/services to the client

3.1.6
curing

chemical process of developing the intended properties of a coating/polymerized product in the lining

system, generally due to a reaction between two or more c
...

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