EN 13445-4:2014

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Unbefeuerte Druckbehälter - Teil 4: HerstellungRécipients sous pression non soumis à la flamme - Partie 4 : fabricationUnfired pressure vessels - Part 4: Fabrication23.020.30MHNOHQNHPressure vessels, gas cylindersICS:Ta slovenski standard je istoveten z:EN 13445-4:2014SIST EN 13445-4:2014en,fr,de01-november-2014SIST EN 13445-4:2014SLOVENSKI
STANDARDSIST EN 13445-4:2009/A2:2014SIST EN 13445-4:2009/A1:2012SIST EN 13445-4:20091DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13445-4
September 2014 ICS 23.020.30 Supersedes EN 13445-4:2009English Version
Unfired pressure vessels - Part 4: Fabrication
Récipients sous pression non soumis à la flamme - Partie 4: Fabrication
Unbefeuerte Druckbehälter - Teil 4: Herstellung This European Standard was approved by CEN on 19 August 2014.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13445-4:2014 ESIST EN 13445-4:2014

Structural tolerances . 55 Annex B (informative)
Example of a sub-contractors form . 59 SIST EN 13445-4:2014

Specification and approval of expansion procedures and operators .60 C.1 General .60 C.1.1 Introduction .60 C.1.2 Responsibility .60 C.1.3 Specification of expansion procedures.60 C.1.4 Technical content of expansion procedure specification (EPS) .61 C.1.5 Expansion procedure qualification test (EPQT) .62 C.2 Examination and testing .62 C.2.1 General .62 C.2.2 Visual examination .62 C.2.3 Dimensional verification .62 C.2.4 Testing .63 C.3 Range of approval.63 C.3.1 General .63 C.3.2 Manufacturer .63 C.3.3 Material .63 C.3.4 Tube dimensions .63 C.3.5 Expansion factor .63 C.3.6 Joint design .64 C.3.7 Tool .64 C.3.8 PWHT .64 C.4 Expansion Procedure Approval Record (EPAR) .64 C.5 Expansion operator approval .64 C.5.1 General .64 C.5.2 Validity range of expansion operator qualification .65 C.5.3 Qualification tests .65 C.5.4 Examination and testing .65 C.5.5 Period of validity .65 C.5.6 Certification .66 Annex Y (informative)
History of EN 13445-4 .67 Y.1 Differences between EN 13445-4:2009 and EN 13445-4:2014 .67 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of the EU Pressure Equipment Directive 97/23/EC .68 Bibliography .69
2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 287-1:20111), Qualification test of welders — Fusion welding — Part 1: Steels EN 10028-2:2009, Flat products made of steels for pressure purposes — Part 2: Non-alloy and alloy steels with specified elevated temperature properties EN 10028-3:2009, Flat products made of steels for pressure purposes — Part 3: Weldable fine grain steels, normalized EN 10028-4:2009, Flat products made of steels for pressure purposes — Part 4: Nickel alloy steels with specified low temperature properties EN 10216-1:2013, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 1: Non-alloy steel tubes with specified room temperature properties EN 10216-2:2013, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties EN 10216-3:2013, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 3: Alloy fine grain steel tubes EN 10216-4:2013, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 4: Non-alloy and alloy steel tubes with specified low temperature properties EN 10217-1:2002, EN 10217-1:2002/A1:2005, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Non-alloy steel tubes with specified room temperature properties EN 10217-2:2002, EN 10217-2:2002/A1:2005, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties EN 10217-3:2002, EN 10217-3:2002/A1:2005, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 3: Alloy fine grain steel tubes EN 10217-4:2002, EN 10217-4:2002/A1:2005, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 4: Electric welded non-alloy and alloy steel tubes with specified low temperature properties
1) EN ISO 9606-1 has been published in 2013 replaces EN 287-1. CEN has decided to have a transition period for EN 287-1. As a consequence, EN 287-1 is valid until October 2015. SIST EN 13445-4:2014

EN 13445-2:2014, Unfired pressure vessels — Part 2: Materials EN 13445-3:2014, Unfired pressure vessels — Part 3: Design EN 13445-5:2014, Unfired pressure vessels — Part 5: Inspection and testing EN 14276-1:2006+A1:2011, Pressure equipment for refrigerating systems and heat pumps — Part 1: Vessels — General requirements EN ISO 3834-2:2005, Quality requirements for fusion welding of metallic materials — Part 2: Comprehensive quality requirements (ISO 3834-2:2005)
EN ISO 3834-3:2005, Quality requirements for fusion welding of metallic materials — Part 3: Standard quality requirements (ISO 3834-3:2005) EN ISO 4136:2012, Destructive tests on welds in metallic materials — Transverse tensile test (ISO 4136:2012) EN ISO 5173:2010, Destructive tests on welds in metallic materials — Bend tests (ISO 5173:2009) EN ISO 5178:2011, Destructive tests on welds in metallic materials — Longitudinal tensile test on weld metal in fusion welded joints (ISO 5178:2001) EN ISO 9015-1:2011, Destructive tests on welds in metallic materials — Hardness testing — Part 1: Hardness test on arc welded joints (ISO 9015-1:2001) EN ISO 9016:2012, Destructive tests on welds in metallic materials — Impact tests — Test specimen location, notch orientation and examination (ISO 9016:2012) EN ISO 13585:2012, Brazing — Qualification test of brazers and brazing operators (ISO 13585:2012) EN ISO 14732:2013, Welding personnel — Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials (ISO 14732:2013) EN ISO 15609-1:2004, Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 1: Arc welding (ISO 15609-1:2004) SIST EN 13445-4:2014

c) the manufacturing equipment is adequate for fabrication; d) the staff is adequate for the assigned tasks; NOTE As far as welding co-ordination is concerned, the qualifications, tasks and responsibilities can be defined by the manufacturer in accordance with EN ISO 14731:2007 [1] in the job assignment. e) the quality requirements for welding defined in EN ISO 3834-3:2005 are met as a minimum. 3.2 Subcontracting The manufacturer may subcontract work, but shall ensure that the subcontractor carries out the work in accordance with the requirements of this European Standard. The manufacturer is responsible for the adequate definition of the subcontracted task and the need for any associated records. On all occasions that the subcontractor work includes a) welding; b) forming including associated heat treatment; c) post weld heat treatment; d) non-destructive testing of welds (see EN 13445-5:2014), the manufacturer shall obtain a subcontractor form (see Annex B). SIST EN 13445-4:2014

4 Materials 4.1 General Materials for pressure vessels and the grouping of materials for pressure vessels shall be in accordance with EN 13445-2:2014. The grouping applies regardless of product form, i.e. plate, forging, piping. 4.2 Material traceability 4.2.1 General The vessel manufacturer shall have and maintain an identification system for materials used in fabrication, so that all material subject to stress due to pressure and those welded thereto in the completed work can be traced to its origin. This includes the use of welding consumables. 4.2.2 Identification system 4.2.2.1 The vessel manufacturer's identification system shall assure that all materials to be used in the vessel have been subjected to and satisfactorily passed the following: a) examination of material before fabrication for the purpose of detecting, as far as possible, imperfections which would affect the safety of the work; b) check of material to determine that it has the required thickness; c) check of the material to assure that the materials are permitted by this European Standard, fully traceable to the correct material certification and as specified in the design documentation; d) check of the welding consumables to assure the correct markings and that correct conditions are maintained to prevent deterioration. 4.2.2.2 Material traceability to the original identification markings shall be by one or more of the following methods: SIST EN 13445-4:2014

a) Middle line alignment d1 at equal thickness e1 = e2b) Middle line alignment d1 at different thickness e1  e2Figure 5.2-1 — Middle line alignment d1 For longitudinal welds in cylinders, cones and rectangular/prismatic structures the middle lines of adjacent components (whether of equal or different thickness) shall be aligned within the tolerances specified in Table 5.2-1.
Table 5.2-1 — Offset of middle lines for longitudinal welds in cylinders, cones and rectangular/prismatic structures Dimensions in millimetresThinner part thickness e1 Maximum misalignment d1
e1 
2 0,5
2 < e1 
4 e1/4
4 < e1  10 1
10 < e1  30 e1/10
30 < e1  60 e1/30 + 2
60 < e1 4
For longitudinal welds in dished ends and welds in spherical components the middle lines of adjacent parts (whether of equal or different thickness) shall be aligned within the tolerances specified in Table 5.2-2.
Table 5.2-2 — Offset of middle lines for longitudinal welds in dished ends and in spherical components of adjacent parts Dimensions in millimetresThinner part thickness e1 Maximum misalignment d1
e1 
2 0,5
2 < e1 
4 e1/4
4 < e1 
10 1
10 < e1 
30 e1/10
30 < e1  120 e1/30 + 2
120 < e1 6
For circumferential welds the middle lines of adjacent parts (whether of equal or different thickness) shall be aligned within the tolerances specified in Table 5.2-3.
e1 
30 e1/10 + 1
30 < e1  150 e1/30 + 3
150 < e1 8
5.3 Surface alignment 5.3.1 Surface misalignment between parts Where there is misalignment at the surface between parts of the same nominal thickness the transition across the weld shall be smooth and gradual with a slope of 1 in 4 over the width of the weld. If this taper cannot be accommodated within the weld width it is permissible to either: a) grind the higher plate surface, where this will not reduce the joint thickness at any point below the nominal specified plate thickness minus the plate thickness tolerance; b) build up the lower plate surface with added weld metal 5.3.2 Joining of parts of different thickness Where different thickness are being joined a taper shall be produced in accordance with EN 13445-3:2014 by either: a) taper the thicker plate in accordance with the design drawing and then applying the requirements above for the same nominal thickness parts; or b) obtain the required slope across the width of the welds, or by a combination of weld build up on the lower surface with added weld metal and thereafter obtain the required slope across the weld
width. 5.4 Tolerances for vessels subjected to internal pressure 5.4.1 External diameter For cylindrical and spherical pressure vessels the mean external diameter derived from the circumference shall not deviate by more than 1,5 % from the specified external diameter. For rectangular vessels and/or prismatic structures each external dimension shall not deviate by more than 1,5 % from the specified external dimension. 5.4.2 Out of roundness Out of roundness (O) shall be calculated in accordance with the following Equation (5.4-1): 100)(2[%]minmaxminmaxDDDDO (5.4-1) It shall not exceed the following values: a) 1,5 % for the ratio of e/D < 0,01; SIST EN 13445-4:2014

When irregularity in the profile occurs at the
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