SIST EN 10312:2003
(Main)Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption - Technical delivery conditions
Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption - Technical delivery conditions
This European Standard specifies the technical delivery conditions for light gauge welded stainless steel tubes, primarily for water application, including water intended for human consumption, supplied in straight lengths and suitable for connection by adhesive bonding, capillary fittings, compression fittings, press fittings or by inert gas welding. The standard covers the size range from 6 mm to 159 mm outside diameter in two grades of stainless steel from EN 10088-2.
Geschweißte Rohre aus nichtrostenden Stählen für den Transport wässriger Flüssigkeiten einschließlich Trinkwasser - Technische Lieferbedingungen
Diese Europäische Norm legt die technischen Lieferbedingungen für geschweißte dünnwandige Stahlrohre aus nichtrostendem Stahl fest; die vorzugsweise für Wasser, einschließlich von Trinkwasser verwendet werden. Diese Rohre werden in geraden Längen geliefert, mit Eignung zum Verbinden durch Kleben, Kapillarfittings, Druckfittings, Preßfittings oder durch Inertgasschweißen. Die Norm deckt den Außendurchmesserbereich von 6 mm bis 267 mm ab. Zwei Stahlsorten aus EN 10088-2 sind festgelegt.
Tubes soudés en acier inoxydable pour le transport des liquides aqueux, y compris l'eau destinée a la consommation humaine - Conditions techniques de livraison
La présente Norme européenne spécifie les conditions techniques de livraison de tubes en acier inoxydable soudés de faible épaisseur, utilisés principalement pour le transport de l'eau, y compris l'eau destinée a la consommation humaine, fournis en longueurs droites et appropriés pour une utilisation avec des raccords a compression ou des raccords par emmanchement ou pour un raccordement par collage, brasage a l'argent ou soudage sous gaz inerte de raccords capillaires. La norme est applicable a la gamme de diametres extérieurs compris entre 6 mm et 267 mm, pour des nuances d'acier inoxydable de l'EN 10088-2 (a l'exception des aciers martensitiques et a durcissement par précipitation).
Varjene jeklene cevi za transport vodnih tekočin vključno s pitno vodo - Tehnični dobavni pogoji
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption - Technical delivery conditionsTubes soudés en acier inoxydable pour le transport des liquides aqueux, y compris l'eau destinée a la consommation humaine - Conditions techniques de livraisonGeschweißte Rohre aus nichtrostenden Stählen für den Transport wässriger Flüssigkeiten einschließlich Trinkwasser - Technische LieferbedingungenTa slovenski standard je istoveten z:EN 10312:2002SIST EN 10312:2003en23.040.10ICS:SLOVENSKI
STANDARDSIST EN 10312:200301-april-2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10312December 2002ICS 23.040.10English versionWelded stainless steel tubes for the conveyance of aqueousliquids including water for human consumption - Technicaldelivery conditionsTubes soudés en acier inoxydable pour le transport desliquides aqueux, y compris l'eau destinée à laconsommation humaine - Conditions techniques delivraisonGeschweißte Rohre aus nichtrostenden Stählen für denTransport wässriger Flüssigkeiten einschließlichTrinkwasser - Technische LieferbedingungenThis European Standard was approved by CEN on 16 October 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 10312:2002 E
EN 10312:2002 (E)2ContentspageForeword.4Introduction.51Scope.62Normative references.63Terms and definitions.74Symbols.75Classification and designation.75.1Classification.75.2Designation.76Information to be supplied by the purchaser.76.1Mandatory information.76.2Options.86.3Example of an order.87Manufacturing process.87.1Grades of steel for feedstock material.87.2Tube manufacture and delivery conditions.88Requirements.98.1General.98.2Chemical analysis.98.3Mechanical properties.98.4Corrosion resistance.98.5Appearance and soundness.98.6Straightness.108.7Preparation of ends.108.8Dimensions, masses and tolerances.108.9Reaction to fire.139Inspection.139.1Type of inspection.139.2Inspection documents.139.3Content of inspection document.139.4Summary of inspection and testing.1410Sampling.1510.1Frequency of tests.1510.2Preparation of samples and test pieces.1511Test methods.1511.1Tensile test.1511.2Drift expanding test.1511.3Flattening test.1511.4Leak-tightness test.1611.5Non-destructive test of weld seam.1611.6Visual examination.1611.7Dimensional inspection.1611.8Intergranular corrosion test.1711.9Material identification.17
EN 10312:2002 (E)312Retests, sorting and reprocessing.1713Marking.1714Packaging.17Annex A (informative)
Preferred steel grades.18Annex B (informative)
Recommended use of tubes.19Annex ZA (informative)
Clauses of this European Standard addressing the provisions of theEU Construction Products Directive.20Bibliography.27
EN 10312:2002 (E)4ForewordThis document EN 10312:2002 has been prepared by Technical Committee ECISS /TC 29 "Steel tubesand fittings for 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 anidentical text or by endorsement, at the latest by June 2003, and conflicting national standards shall bewithdrawn at the latest by September 2004.This document has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association and supports essential requirements of EU directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.Another European Standard covering tubes for the conveyance of aqueous liquids including water forhuman consumption is:EN 10224, Non-alloy steel tubes and fittings for the conveyance of aqueous liquids including water forhuman consumption — Technical delivery conditions.Annexes A and B are informative.This document includes a Bibliography.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.
EN 10312:2002 (E)5IntroductionIn respect of potential adverse effects on the quality of water intended for human consumption, caused bythe product covered by this standard:a) this standard provides no information as to whether the product may be used without restriction in anyof the member states of the EU or EFTA;b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing nationalregulations concerning the use and/or the characteristics of this product remain in force.The European Committee for Standardisation (CEN) draws attention to the fact that it is claimed thatcompliance with this document may involve the use of a patent concerning steel grade 1.4362 given inTable A1.CEN takes no position concerning the evidence, validity and scope of this patent right.The holder of this permit has assured CEN that he/she is willing to negotiate licences under reasonableand non-discriminatory terms and conditions with applicants throughout the world. In this respect, thestatement of the holder of this patent right is registered with CEN. Information may be obtained fromAB Sandvik Steel20-SLS, FoU CentrumSE-811 81 SANDVIKENSwedenAttention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights other than those indicated above. CEN is not responsible for identifying any such patentrights.
EN 10312:2002 (E)61 ScopeThis European Standard specifies the technical delivery conditions for light gauge welded stainless steeltubes, primarily for water application, including water intended for human consumption, supplied in straightlengths and suitable for use with compression fittings or press fittings or for adhesive bonding, silverbrazing or inert gas welding of capillary fittings. The standard is applicable to the size range from 6 mm to267 mm outside diameter made of stainless (except martensitic and precipitation hardening) steel gradestaken from EN 10088-2.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications.These normative references are cited at the appropriate places in the text, and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publications applyto this European Standard only when incorporated in it by amendment or revision. For undated referencesthe latest edition of the publication referred to applies (including amendments).EN 10002-1, Metallic materials — Tensile testing — Part 1: Method of test at ambient temperature.EN 10020:2000, Definition and classification of grades of steel.EN 10021, General technical delivery requirements for steel and iron products.EN 10052, Vocabulary of heat treatment terms for ferrous products.EN 10088-1, Stainless steels — Part 1: List of stainless steels.EN 10088-2, Stainless steels — Part 2: Technical delivery conditions for sheet/plate and strip for generalpurposes.prEN 101681), Iron and steel products — Inspection documents — List of information and description.EN 10204, Metallic products — Types of inspection documents.EN 10233, Metallic materials — Tube — Flattening test.EN 10234, Metallic materials — Tube — Drift expanding test.EN 10246-1, Non-destructive testing of steel tubes — Part 1: Automatic electromagnetic testing ofseamless and welded (except submerged arc welded) ferromagnetic steel tubes for verification of hydraulicleak-tightness.EN 10246-2, Non-destructive testing of steel tubes - Part 2: Automatic eddy current testing of seamlessand welded (except submerged arc-welded) austenitic and austenitic-ferritic steel tubes for verification ofhydraulic leak-tightness.EN 10246-3, Non-destructive testing of steel tubes — Part 3: Automatic eddy current testing of seamlessand welded (except submerged arc welded) steel tubes for the detection of imperfections.EN 10246-8, Non-destructive testing of steel tubes — Part 8: Automatic ultrasonic testing of the weld seamof electric welded steel tubes for the detection of longitudinal imperfections.
1)In preparation; until this document is published as a European Standard, a corresponding national standard shouldbe agreed at the time of enquiry and order.
EN 10312:2002 (E)7prEN 10266, Steel tubes, fittings and structural hollow sections - Definitions and symbols for use in productstandards.EN ISO 377, Steel and steel products - Location and preparation of samples and test pieces formechanical testing (ISO 377:1997).EN ISO 2566-2, Steel - Conversion of elongation values - Part 2: Austenitic steels (ISO 2566-2:1984).EN ISO 3651-1, Determination of resistance to intergranular corrosion of stainless steels - Part 1:Austenitic and ferritic-austenitic (duplex) stainless steels - Corrosion test in nitric acid medium bymeasurement of loss in mass (Huey test) (ISO 3651-1:1998).EN ISO 3651-2, Determination of resistance to intergranular corrosion of stainless steels - Part 2: Ferritic,austenitic and ferritic-austenitic (duplex) stainless steels - Corrosion test in media containing sulfuric acid(ISO 3651-2:1998).3 Terms and definitionsFor the purposes of this European Standard the terms and definitions given in EN 10020:2000, EN 10021,EN 10052, and prEN 10266 apply.4 SymbolsSee prEN 10266.5 Classification and designation5.1 ClassificationThe classification of the steels contained in this European Standard is given in EN 10088-1.5.2 DesignationFor tubes covered by this European Standard, the steel designation consists of the number of thisEuropean Standard (EN 10312) and either the steel name in accordance with EN 10027-1 and CR 10260or the steel number in accordance with EN 10027-2.6 Information to be supplied by the purchaser6.1 Mandatory informationThe following information shall be supplied by the purchaser at the time of enquiry and order.a) the quantity (total length or number);b) the term tube;c) the tube series and the dimensions (outside diameter, wall thickness) (see Tables 1 and 2 and annexB);d) the steel designation according to this European Standard (see 5.2);
EN 10312:2002 (E)8e) the length (5 m or 6 m) (see 8.8.3).6.2 OptionsA number of options are specified in this European Standard and these are listed below. In the event thatthe purchaser does not indicate a wish to implement any of these options at the time of enquiry and order,the tubes shall be supplied in accordance with the basic specification.1) annealed or solution annealed condition depending on grade (see 7.2);2) intergranular corrosion test (see 8.4);3) for use with capillary, compression or press fittings (see 8.5.1 and annex B);4) lengths other than 5 m and 6 m (see 8.8.3);5) removal of the internal weld bead (see 8.8.6);6) specific inspection (see 9.1);7) selection of leak tightness test method (see 11.4.1);8) marking on a label (see clause 13);9) end protection of the tubes or bundles of tubes (see clause 14).6.3 Example of an orderEXAMPLE 1000 m of welded steel tube in accordance with EN 10312 series 1 with an external diameter of76,1 mm, a wall thickness of 1,5 mm, in standard lengths of 6 m made of steel grade X5CrNi 18-10 andwith marking on a label would have the following description:1000 m tube — series1 76,1 ´ 1,5 — EN 10312 X5CrNi18-10 —6— option 87 Manufacturing process7.1 Grades of steel for feedstock materialThe grades of steel required shall be specified from EN 10088-2.A list of preferred grades is given in annex A.7.2 Tube manufacture and delivery conditionsTube shall be manufactured from steel strip and longitudinally welded without the addition of filler material.Tubes shall not include welds used for joining lengths of strip.Tube shall be supplied in the as-welded condition unless option 1 is specified.Option 1: The tubes shall be supplied in the solution-annealed condition (austenitic or austenitic-ferriticsteels) or the annealed condition (ferritic steels).When tubes in the annealed condition are specified (see option 1), they shall meet a hardness requirementThe hardness test method, test load and values to be achieved shall be agreed at the time of enquiry andorder.
EN 10312:2002 (E)98 Requirements8.1 GeneralThe tubes, when supplied in a delivery condition given in 7.2 and inspected in accordance with clause 9shall conform to the requirements of this European Standard.In addition, the general technical delivery requirements specified in EN 10021 apply.8.2 Chemical analysisChemical analysis shall be in accordance with EN 10088-2. The cast analysis reported by the steelmakershall apply.8.3 Mechanical propertiesMechanical properties shall be in accordance with EN 10088-2.8.4 Corrosion resistanceIn accordance with EN 10088-2 some steels have resistance to intergranular corrosion. When option 2 isspecified, tubes shall be tested in accordance with 11.8.Option 2: The tubes shall be subjected to an intergranular corrosion test (see 11.8).8.5 Appearance and soundness8.5.1 AppearanceThe tubes shall be smooth and have a bright surface, free from all external and internal surface defectsthat can be detected by visual examination.NOTEThe welding conditions should be controlled so that the heat discoloration in the welded area is kept to aminimum, to ensure corrosion resistance is not reduced.Surface imperfections, which encroach on the specified minimum wall thickness, shall be considereddefects and tubes containing these shall be deemed not to conform to this European Standard.The tubes are intended for general use unless option 3 is specified, then the outside surface including theweld area and tube ends shall be suitable for the type of fitting specified.Option 3: Tubes shall be suitable for use for capillary, compression or press fittings, purchaser to specifywhich type at the time of enquiry and order.NOTEA surface roughness value can be agreed at the time of enquiry and order.8.5.2 SoundnessThe tubes shall pass a leak tightness test in accordance with 11.4.2, 11.4.3 or 11.4.4. The full length of theweld seam shall be subjected to a non-destructive test in accordance with 11.5 for the detection ofimperfections.
EN 10312:2002 (E)108.6 StraightnessThe deviation from straightness of any tube length L shall not exceed 0,0015 L. Deviations fromstraightness over any 1 m length shall not exceed 3 mm for series 1 tubes. For seri
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