SIST EN 10290:2003
(Main)Steel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings
Steel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings
The standard defines the requirements of liquid applied external coating, polyurethane (PUR) and polyurethane-modified (PUR-MOD), for the corrosion protection of tubes and pipeline fittings.
The coating in this standard can be applied to longitudinally or spirally welded and to seamless steel tubes and fittings used for the construction of pipelines for conveying liquids or gases.
In accordance with the elongation properties, if the component has to be cold bent the coating shall be applied after bending unless otherwise approved by the purchaser.
The coating shall consist normally of one layer of liquid product, applied by brush or by an airless spray technique.
Other application methods can be recommended by the product manufacturer, in accordance with the kind of product (spatula, injection, spreading, etc.).
This coating can be used for the protection of buried or submerged steel tubes for service at the following temperatures and with two thickness classes A (1000 *m) and B (1500 *m) based on the following combination.
Lower thickness can be agreed between the coating manufacturer and the purchaser.
- type 1 : - 20 °C to 40 °C, thickness class A or B
- type 2 : - 20 °C to 60 °C, thickness class B
- type 3 : - 20 °C to 80 °C, thickness class B
Other temperatures can be agreed; in this case, tests shall be carried out at the required temperature.
In this standard the word components is used for tubes and fittings.
Frequencies of tests on fittings shall be agreed by the parties at the ordering stage.
Components coated with these types of coatings may be further protected by means of cathodic protection.
Stahlrohre und -formstücke für On- und Offshore-verlegte Rohrleitungen - Umhüllung (Außenbeschichtung) mit Polyurethan und Polyurethan-modifizierten Materialien
Diese Europäische Norm legt die Anforderungen an die Umhüllung mit flüssig aufgebrachtem Polyurethan (PUR) und Polyurethan-modifiziertem Material (PUR-MOD) für den Korrosionsschutz von Rohren und Formteilen fest.
Nach dieser Norm kann die Umhüllung auf längs- und spiralgeschweißten sowie auf nahtlose Stahlrohre und Formteile zum Bau von Rohrleitungen für die Beförderung von Flüssigkeiten und Gasen aufgebracht werden.
Bei der Kaltbiegung von Stahlteilen muss die Beschichtung in Abhängigkeit ihren Dehneigenschaften nach dem Biegevorgang aufgebracht werden, wenn vom Besteller nicht anders vorgegeben.
Die Umhüllung muss normal aus einem einschichtigen Auftragen eines Flüssigprodukts bestehen; das Auftragen erfolgt mittels Streichen oder im Airless-Spritzverfahren.
Andere Auftragsarten (wie Spachteln, Vergießen, Streichen, usw.) können vom Hersteller je nach Art des Produktes empfohlen werden.
Der Einsatz dieser Umhüllung kann zum Schutz von erd- oder wasserverlegten Rohren bei folgenden Betriebstemperaturen, aufgegliedert nach zwei Klassen, Klasse A (1000 µm) und Klasse B (1500 µm), wie folgt erfolgen. Geringere Schichtdicken können zwischen Besteller und Hersteller vereinbart werden.
Typ 1: -20 °C bis 40 °C Schichtdicke Klasse A oder
Typ 2: -20 °C bis 60 °C Schichtdicke Klasse B
Typ 3: -20 °C bis 80 °C Schichtdicke Klasse B
Andere Temperatureinsatzbereiche können vereinbart werden; in diesem Fall müssen für die gewünschten Temperaturen Prüfungen durchgeführt werden.
In dieser Norm gilt der Begriff ?Teile" für Rohre und Formteile.
Bei Auftragserteilung muss für die Formteile die Häufigkeit der durchzuführenden Prüfungen von den Vertrags-schließenden bei der Auftragsvergabe festgelegt werden.
Mit einer solchen Umhüllung versehene Teile können zusätzlich kathodisch geschützt werden.
Tubes et raccords en acier pour canalisations enterrées et immergées - Revetements externes en polyuréthanne ou polyuréthanne modifié liquides
La présente norme définit l'application de revetements externes a base de polyuréthanne (PUR) et de polyuréthanne modifié (PUR-MOD) liquides, pour la protection anti-corrosion des tubes et raccords de canalisations. Dans la présente norme, le revetement peut etre appliqué a des tubes en acier soudés en long ou en hélice ou sans soudure et raccords utilisés pour la construction de canalisations de transport de fluides liquides ou gazeux.
Jeklene cevi in fitingi za cevovode v zemlji in pod vodo - Zunanja prevleka, izdelana iz tekočega poliuretanskega in modificiranega poliuretanskega premaza
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Stahlrohre und -formstücke für On- und Offshore-verlegte Rohrleitungen - Umhüllung (Außenbeschichtung) mit Polyurethan und Polyurethan-modifizierten MaterialienTubes et raccords en acier pour canalisations enterrées et immergées - Revetements externes en polyuréthanne ou polyuréthanne modifié liquidesSteel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings77.140.75Jeklene cevi in cevni profili za posebne nameneSteel pipes and tubes for specific use25.220.60Organske prevlekeOrganic coatingsICS:Ta slovenski standard je istoveten z:EN 10290:2002SIST EN 10290:2003en01-april-2003SIST EN 10290:2003SLOVENSKI
STANDARD
SIST EN 10290:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10290August 2002ICS 23.040.99; 25.220.60English versionSteel tubes and fittings for onshore and offshore pipelines -External liquid applied polyurethane and polyurethane-modifiedcoatingsTubes et raccords en acier pour canalisations enterrées etimmergées - Revêtements externes en polyuréthanne oupolyuréthanne modifié liquidesStahlrohre und -formstücke für On- und Offshore-verlegteRohrleitungen - Umhüllung (Außenbeschichtung) mitPolyurethan und polyurethan-modifizierten MaterialienThis European Standard was approved by CEN on 11 April 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10290:2002 ESIST EN 10290:2003
EN 10290:2002 (E)2ContentspageForeword.51Scope.62Normative references.63Terms, definitions and symbols.73.1Terms and definitions.73.2Symbols.74Coating materials.74.1General.74.2Technical specification.74.3Packaging.94.4Quality assurance.95Information to be supplied by the purchaser.95.1Mandatory.95.2Options to be indicated by the purchaser.106Application of the coating.106.1Surface preparation.106.2Composition of the coating.117Requirements of the applied coating.127.1General.127.2Minimum dry thickness of the coating system.137.3Hardness Shore "D".137.4Appearance and continuity.137.5Cut back at the ends.137.6Holiday detection.137.7Impact resistance.137.8Adhesion test - Resistance to removal.147.9Adhesion test - Pull-off method.147.10Cathodic disbondment.147.11Specific electrical insulation resistance.147.12Adhesion test after immersion in tap water.157.13Indentation resistance.157.14Thermal ageing.157.15Flexibility.157.16Infra-red scan.157.17Elongation.168Inspection.178.1General.178.2Documents.178.3Sampling.178.4Nature and frequency of testing and control.178.5Retests.199Repairs.1910Marking.2011Handling, transportation and storage.2011.1Handling.20SIST EN 10290:2003
EN 10290:2002 (E)311.2Transportation to the storage area.2011.3Storage.2011.4Loading of components for delivery.20Annex A (normative)
Dry thickness of the coating system.21A.1General.21A.2Apparatus.21A.3Procedure.21A.4Results.21Annex B (normative)
Holiday detection test.22B.1General.22B.2Apparatus.22B.3Procedure.22B.4Results.22Annex C (normative)
Impact test.23C.1General.23C.2Apparatus.23C.3Procedure.23C.4Results.24Annex D (normative)
Adhesion test - Resistance to removal.25D.1General.25D.2Apparatus.25D.3Procedure.25D.4Results.26Annex E (normative)
Cathodic disbondment test.27E.1Principle.27E.2Apparatus.27E.3Sampling.28E.4Procedure.29E.5Investigation procedure.29E.6Results.29Annex F (normative)
Specific electrical insulation resistance test.33F.1Test at ambient temperature ((23 ± 2) °C).33F.2Test at maximum service temperature.34Annex G (normative)
Adhesion test after immersion tap water.37G.1General.37G.2Apparatus.37G.3Procedure.37G.4Results.37Annex H (normative)
Indentation test.38H.1General.38H.2Apparatus.38H.3Procedure.38H.4Results.38Annex J (normative)
Thermal ageing.39J.1General.39J.2Apparatus.39J.3Sampling.39J.4Procedure.39J.5Results.39Annex K (normative)
Flexibility.40K.1General.40K.2Apparatus.40K.3Procedure.40SIST EN 10290:2003
EN 10290:2002 (E)4K.4Results.42Annex L (normative)
Types of inspection documents.43Bibliography.44SIST EN 10290:2003
EN 10290:2002 (E)5ForewordThis document EN 10290:2002 has been prepared by Technical Committee ECISS/TC 29 "Steel tubes and fittingsfor steel tubes", the secretariat of which is held by UNI.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by February 2003, and conflicting national standards shall be withdrawn at the latestby February 2003.The annexes A to L are normative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 10290:2003
EN 10290:2002 (E)61 ScopeThis European Standard specifies the requirements of liquid applied external coating, polyurethane (PUR) andpolyurethane-modified (PUR-MOD), for the corrosion protection of tubes and pipeline fittings.The coating in this standard can be applied to longitudinally or spirally welded and to seamless steel tubes andfittings used for the construction of pipelines for conveying liquids or gases.In accordance with the elongation properties, if the component has to be cold bent the coating shall be applied afterbending unless otherwise approved by the purchaser.The coating shall consist normally of one layer of liquid product, applied by brush or by an airless spray technique.Other application methods can be recommended by the product manufacturer, in accordance with the kind ofproduct (spatula, injection, spreading, etc.).This coating can be used for the protection of buried or submerged steel tubes for service at the followingtemperatures and with two thickness classes A (1 000 mm) and B (1 500 mm) based on the following combination.Lower thickness can be agreed between the coating manufacturer and the purchaser.¾ type 1:- 20 °C to 40 °C, thickness class A or B¾ type 2:- 20 °C to 60 °C, thickness class B¾ type 3:- 20 °C to 80 °C, thickness class BOther temperatures can be agreed; in this case, tests shall be carried out at the required temperature.In this standard the word components is used for tubes and fittings.Frequencies of tests on fittings shall be agreed by the parties at the ordering stage.Components coated with these types of coatings may be further protected by means of cathodic protection.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendments or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 10021, General technical delivery requirements for steel and iron products.EN 24624, Paints and varnishes - Pull-off test (ISO 4624:1978).ISO 527, Plastics - Determination of tensile properties.EN ISO 868, Plastics and ebonite - Determination of indentation hardness by means of a durometer (Shorehardness) (ISO 868:1985).EN ISO 2808, Paints and varnishes - Determination of film thickness (ISO 2808:1997).EN ISO 8501-1, Preparation of steel substrates before application of paints and related products - Visualassessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and ofsteel substrates after overall removal of previous coatings (ISO 8501-1:1988).SIST EN 10290:2003
EN 10290:2002 (E)73 Terms, definitions and symbols3.1 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply.3.1.1product manufacturersupplier of the two liquid components in a condition suitable for application to the product to be coated3.1.2coaterresponsible for applying the multi-component liquid material to the components to be coated in accordance with theprovisions of this European Standard or the special requirements given in the tender specification and in the order3.1.3purchasercompany that buys the coated products3.2 SymbolsRz:roughness parameter (the average roughness from five successive evaluation areas defined inaccordance with ISO 4287-1), expressed in microns (mm);Rs:specific electrical insulation resistance of the coating, expressed in ohms square metres (Wm²).4 Coating materials4.1 GeneralThe multi-component liquid coating is generally composed of a polyol and an isocyanate.The polyol and isocyanate should have different colours allowing the verification of the correct mixing and checkingthe uniformity of the colour of the mixed product.The coating is considered cured when it has attained the hardness recommended by the product manufacturer (seeTable 1).This standard calls for the use of substances and/or procedures that may be injurious to health if adequateprecautions are not taken. It refers only to technical suitability and in no way absolves the user from statutoryobligations relating to health and safety at any range.4.2 Technical specificationThe technical specification drawn up by the product manufacturer shall contain as a minimum the informationdetailed in Table 1. Test methods shall be given for any test detailed in Table 1.If required at the time of enquiry and/or order the following option can apply:Option 1An infra-red scan obtained with a KBr standard disk shall be supplied as agreed for each pack (polyol,isocyanate and cured product), so that the purchaser or the coater can compare it with the reference scan of thematerial supplied.SIST EN 10290:2003
EN 10290:2002 (E)8Table 1 - Contents of data sheets and certificatesElementsTechnical dataTest certificateDate of issuexxName of manufacturerxxName, use and type of productxxType of polyolxxType of isocyanatexxFactory of originxBatch or production lot numberaxDate of manufacture and use by dateaxColourbxPhysical state of the delivered productaxMethods of applicationxSolids by volumexSolids by weightxTheoretical coverage per m² for nominal thicknessxSize of containeraxShelf lifeaxStorage conditionsxPot-lifexxSurface preparationxRecommended instructions for applicationxRecommended repair material(s)xMixing instructionsxRecommended dry film thicknessxTypical thickness applicable in one layerxMinimum and maximum overcoating timexRange of tube service temperaturexRange of application temperature (ambient, tube and product) andhumidityxSpecific curing – RequirementsxShore "D" hardness at (23 ± 2) °CxTime at (23 ± 2) °C to achieve Shore "D" hardness at curingxTime at (23 ± 2) °C at Shore "D" hardness before handlingxViscosityaxxDensityx bx aImpact resistancexPull-off test adhesion at (23 ± 2) °CxCathodic disbondment at (23 ± 2) °CxSpecific electrical insulation resistancexThermal ageingxFlexibilityxElongationxTest methods described in the present standard shall be used. In any case test methods used shall be mentionned forany test. The acceptable limits shall be mentionned in the test certificate. a
Required for the polyol and isocyanate. b
Required for the polyol, isocyanate and for the mixed product.SIST EN 10290:2003
EN 10290:2002 (E)94.3 PackagingAll materials supplied for coating operations shall be suitably marked giving, as a minimum, the following details:¾ product manufacturer's name;¾ name of material;¾ application method;¾ batch number;¾ date of manufacture and use-by date;¾ recommended storage conditions;¾ colour of the material.4.4 Quality assuranceThe product manufacturer shall carry out quality inspection so that he guarantees the consistent quality of theproducts and maintains the properties listed in Table 1.If the product manufacturer has a quality control service approved by the coater, he shall provide a test certificate,on the understanding that the record of the results of his inspection is made available to the coater for checkingwhere necessary. The inspection shall be carried out on every batch of material.For specific requirements the purchaser can ask for additional information at the time of enquiry and order.5 Information to be supplied by the purchaser5.1 MandatoryThe purchaser shall state in his enquiry and order the following minimum information:¾ tubes and components coated in accordance with this European Standard shall be designated by reference tothis standard followed by the base material, the thickness class and the service temperature of the coating. Ifapplicable, the reference to the standard for the component to which the coating is applied shall be added tothis designation ;EXAMPLE: 5 000 meters of tubes - EN 10224 of 406, 4-4, 0external coating EN 10290, PUR, class A, Type 3¾ base material (PUR or PUR-MOD);¾ thickness class of the coating A or B (see 7.2);¾ service temperature Type (1, 2 or 3);¾ cut back at the ends (for fittings);¾ maximum number and dimension of repairs (not including repairs due to destructive tests).The components coated in accordance with this European Standard shall be designated by:¾ the reference to this standard;¾ the base material (PUR or PUR-MOD);SIST EN 10290:2003
EN 10290:2002 (E)10¾ the thickness class of the coating (A or B);¾ the service temperature Type (1,2 or 3).5.2 Options to be indicated by the purchaser1Infra-red scan (see 4.2).2Cut back at the ends for tubes(see 7.5).3Adhesion test - Pull-off method (see 7.9).4Cathodic disbondment (see 7.10).5Specific electrical insulation resistance (see 7.11).6Adhesion test after immersion in tap water (see 7.12).7Indentation resistance (see 7.13).8Thermal ageing (see 7.14).9Flexibility (see 7.15).10Elongation (see 7.17).11Type of inspection documents required, if different to the ones in clause 8 (see 8.2.2).12Other scheme of procedure qualification (see Table 5).6 Application of the coating6.1 Surface preparation6.1.1Prior to abrasive blast cleaning, the steel surface shall be dry and free from contamination (oil, grease,temporary corrosion protection, etc.) and surface defects (slivers, laminations, etc.) detrimental to the surface or tothe adhesion of the coating.6.1.2Components shall be abrasive blast cleaned. The degree of cleanliness shall be Sa 2 ½ in accordance withEN ISO 8501-1.The blast cleaned surface shall have a roughness Rz between 50 mm and 100 mm, as measured in accordance withISO 4287-1.6.1.3After blast cleaning, the surface of the components shall be inspected. All slivers, laminations, weld spatterand other surface imperfections made visible by the blast cleaning process shall be removed.After removal of these defects, the residual thickness of components shall satisfy the minimum tolerancerequirements specified by the relevant standard. All treated areas greater than 10 cm² shall be prepared to providea profile to satisfy the provisions of 6.1.6.1.4Components shall be maintained at least 3 °C above the dew point temperature prior to coating.6.1.5Contaminants (e.g. residual abrasive dust) shall be removed prior to coating.Chemical treatment of the steel may be used in addition to abrasive blast cleaning, by a
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