EN 12952-5:2001
(Main)Water-tube boilers and auxiliary installations - Part 5: Workmanship and construction of pressure parts of the boiler
Water-tube boilers and auxiliary installations - Part 5: Workmanship and construction of pressure parts of the boiler
This Part of the European Standard specifies requirements for the workmanship and construction of water-tube
boilers as defined in EN 12952-1.
Wasserrohrkessel und Anlagenkomponenten - Teil 5: Verarbeitung und Bauausführung für drucktragende Kesselteile
Dieser Teil der Europäischen Norm legt Anforderungen für die Verarbeitung und Bauausführung von Wasserrohr-
kesseln fest, die in EN 12952-1 festgelegt sind.
Chaudières à tubes d'eau et installations auxiliaires - Partie 5: Fabrication et construction des parties sous pression des chaudières
La présente partie de la norme européenne spécifie les règles de fabrication et de construction des chaudières à tubes d'eau telles que définies dans l'EN 12952-1.
Vodocevni kotli in pomožne napeljave - 5. del: Izdelava in izvedba tlačno obremenjenih delov kotla
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wasserrohrkessel und Anlagenkomponenten - Teil 5: Verarbeitung und Bauausführung für drucktragende KesselteileChaudieres a tubes d'eau et installations auxiliaires - Partie 5: Fabrication et construction des parties sous pression des chaudieresWater-tube boilers and auxiliary installations - Part 5: Workmanship and construction of pressure parts of the boiler27.060.30Grelniki vode in prenosniki toploteBoilers and heat exchangersICS:Ta slovenski standard je istoveten z:EN 12952-5:2001SIST EN 12952-5:2002en01-november-2002SIST EN 12952-5:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12952-5December 2001ICS 27.040English versionWater-tube boilers and auxiliary installations - Part 5:Workmanship and construction of pressure parts of the boilerChaudières à tubes d'eau et installations auxiliaires - Partie5: Fabrication et construction des parties sous pressiondes chaudièresWasserrohrkessel und Anlagenkomponenten - Teil 5:Verarbeitung und Bauausführung für drucktragendeKesselteileThis European Standard was approved by CEN on 8 September 2000.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, 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© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12952-5:2001 ESIST EN 12952-5:2002
.......................309.2Access openings .................309.3Branches and nozzles mechanicallyconnected to the main pressure parts ..319.4Tube connections .................329.5The connection of non-pressure parts to pressure parts .................3410Thermal treatment ..............3410.1General ......................3410.2Heating cycles and heat treatment(s)associated with plate forming operations 3410.3Pre-heating for welding and thermal cutting .........................3610.4Post-weld heat treatment ...........3710.5Heat treatment of production test plates .........................46Annex A (normative) Tube bending proceduretests
..........................47A.1General ........................47A.2Hot or cold formed bends in tubes withoutside diameter £ 142 mm ..........47A.3Cold formed bends in tubes with outsidediameter > 142 mm ...............50A.4Hot formed bends in tubes with outsidediameter > 142 mm ...............51Annex B (informative) Welded pressure connections and non-pressure containing attachments .............55Annex C (normative) Manufacture of weldedtubewalls .......................59C.1General ........................59C.2Methods of manufacture ............59C.3Allowable materials ................59C.4Manufacturing processes and controls ..60C.5Welding procedure approvals ........61C.6Production tests ..................61C.7Non destructive examination (NDE) ....61Annex D (normative) Coiled boilers and coiled superheaters ....................66D.1General ........................66D.2Special requirements ..............66Annex E (normative) Chemical recovery boilers 67E.1General ........................67E.2Definition .......................67E.3Special requirements for forming of composite tube bends ..............67E.4Special requirements for manufacture ofwelded tube walls from composite tubes 68E.5Material marking ..................68E.6Flash butt welding ................68Annex F (informative) Guidelines for thedetermination of the competency ofboiler manufacturers ...............69F.1General ........................69F.2Responsibility of the user ...........69F.3Responsibility of the manufacturer .....69F.4Requirements concerning manufacturer'scompetency .....................69F.5Manufacturer's competency declaration .69Annex ZA (informative) Clauses of this EuropeanStandard addressing essential safetyrequirements or other provisions of thePressure Equipment Directive.........78Bibliography .........................782SIST EN 12952-5:2002
Part 4 is not applicable during the design, construction and installation stages.The annexes A, C, D and E are normative. The annexes B, F and ZA are informative.
1) Directive 97/23/EC of the European Parliament and of the Council of 29 May 1997 on the approximation of the laws of the Member States concerning pressuse equipment; OJEC L181.3SIST EN 12952-5:2002
ScopeThis Part of the European Standard specifies requirements for the workmanship and construction of water-tubeboilers as defined in EN 12952-1.2
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 amendment or revision. For undated references, the latest edition of thepublication referred to applies.EN 287-1,
Approval testing of welders – Fusion welding – Part 1: Steels.EN 288-2,
Specification and approval of welding procedures for metallic materials – Part 2: Welding procedurespecification for arc welding.EN 288-3,
Specification and approval of welding procedures for metallic materials – Part 3: Welding procedure testsfor the arc welding of steels.EN 288-8,
Specification and approval of welding procedures for metallic materials – Part 8: Approval by a pre-production welding test.EN 571-1,
Non destructive testing – Penetrant testing – Part 1: General principles.EN 719,
Welding coordination – Tasks and responsibilities.EN 729-2,
Quality requirements for welding – Fusion welding of metallic materials – Part 2: Comprehensive qualityrequirements.EN 729-3,
Quality requirements for welding – Fusion welding of metallic materials – Part 3: Standard qualityrequirements.EN 1011-1,
Welding – Recommendations for welding of metallic materials – Part 1: General guidance for arcwelding.EN 1011-2:1999,
Welding – Recommendations for welding of metallic materials – Part 2: Arc welding of ferriticsteels.prEN 1092-1:1997,
Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PNdesignated – Part 1: Steel flanges.EN 1092-2,
Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories – Part 2: Cast ironflanges.prEN 1258:1993,
Welding – Measurement of preheating temperature, interpass temperature and preheatmaintenance temperature during welding.EN 1290,
Non-destructive examination of welds – Magnetic particle examination of welds.EN 1418,
Welding personnel – Approval testing of welding operators for fusion welding and resistance weld setterfor fully mechanized and automatic welding of metallic materials.EN 1708-1,
Welding – Basic weld joint details in steel – Part 1: Pressurized componentsprEN 1759-1,
Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, class desig-nated – Part 1: Steel flanges, NPS 1/2 to 24.prEN 10002-1:1998,
Metallic materials – Tensile testing – Part 1: Method of test (at ambient temperature).4SIST EN 12952-5:2002
Hot rolled products of non-alloy structural steels – Technical delivery conditions (includesamendment A1:1993).EN 10028-1,
Flat products made of steels for pressure purposes – Part 1: General requirements.EN 10028-2,
Flat products made of steels for pressure purposes – Part 2: Non alloy and alloy steels with specifiedelevated temperature properties.EN 10045-1,
Metallic materials – Charpy impact test – Part 1: Test method.EN 10204,
Metallic products – Types of inspection documents.prEN 10216-1:1995,
Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloysteel tubes with specified room temperature properties.prEN 10216-2:1998,
Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 2: Non-alloyand alloy steel tubes with specified elevated temperature properties.EN 12952-1,
Water-tube boilers and auxiliary installations– Part 1: General.EN 12952-2,
Water-tube boilers and auxiliary installations – Part 2: Materials for pressure parts of boilers andaccessories.EN 12952-3,
Water-tube boilers and auxiliary installations – Part 3: Design and calculation for pressure parts.EN 12952-4,
Water-tube boilers and auxiliary installations – Part 4: In-service boiler life expectancy calculations.EN 12952-6,
Water-tube boilers and auxiliary installations – Part 6: Inspection during construction, documentationand marking of pressure parts of the boiler.EN 12952-7,
Water-tube boilers and auxiliary installations – Part 7: Requirements for equipment for the boiler.EN 25817,
Arc-welded joints in steel – Guidance on quality levels for imperfections (ISO 5817:1992).EN 26520,
Classification of imperfections in metallic fusion welds, with explanations (ISO 6520:1982).EN ISO 4063,
Welding and allied precesses – Nomenclature of processes and reference number (ISO 4063:1998).EN ISO 4759-1:1999,
Tolerances for fasteners – Part 1: Bolts, screws, studs and nuts – Product grades A, B andC (ISO/DIS 4759-1:1999).EN ISO 9692-2,
Welding and allied processes – Joint preparation – Part 2: Submerged arc welding of steels(ISO 9692-2:1998).EN ISO 14555,
Welding – Arc stud welding of metallic materials (ISO 14555:1998).ISO 8501-1,
Preparation of steel substrates before application of paints and related products – Visual assessmentof surface cleanliness – Part 1: Rust grades and preparation grades of uncoated steel subtrates and of steelsubstrates after overall removal of previous coatings.CR ISO 15608,
Welding – Guideless for a metallic material grouping system (ISO/TR 15608:2000).3
DefinitionsFor the purposes of this standard the definitions given in EN 12952-1 and the following apply.3.1cold formingfor ferritic steels, it is forming at temperatures below the maximum permissible temperature for post-weld heattreatment in accordance with table 10.4-1. Cold fo
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