EN 13445-4:2021

Unfired pressure vessels - Part 4: Fabrication

This document specifies requirements for the manufacture of unfired pressure vessels and their parts, made of steels, including their connections to non-pressure parts. It specifies requirements for material traceability, manufacturing tolerances, welding requirements, requirements for permanent joints other than welding, production tests, forming requirements, heat treatment, repairs and finishing operations.

Unbefeuerte Druckbehälter - Teil 4: Herstellung

Dieses Dokument enthält Anforderungen an die Herstellung von unbefeueren Druckbehältern und Druckbehälterteilen aus Stählen, einschließlich deren Verbindungen zu nicht drucktragenden Teilen. Es enthält Anforderungen an die Rückverfolgbarkeit von Werkstoffen, Fertigungstoleranzen, Schweißanforderungen, Anforderungen an nicht geschweißte dauerhafte Verbindungen, Arbeitsproben, Umformanforderungen, Wärmebehandlung, Reparaturen und Fertigbearbeitung.

Récipients sous pression non soumis à la flamme - Partie 4: Fabrication

Nekurjene tlačne posode - 4. del: Proizvodnja

Ta dokument določa zahteve za proizvodnjo neogrevanih tlačnih posod in njihovih delov, izdelanih iz jekel, vključno z njihovimi priključki na netlačne dele. Določa zahteve za sledljivost materiala, proizvodna odstopanja, zahteve za varjenje, zahteve za trajne spoje, ki niso varjeni, proizvodne preskuse, zahteve za oblikovanje, toplotno obdelavo, popravila in zaključne operacije.

General Information

• Status: Withdrawn
• Publication Date: 11-May-2021
• Withdrawal Date: 15-Aug-2023
• ICS: 23.020.30 - Pressure vessels, gas cylinders
• Technical Committee: CEN/TC 54 - Unfired pressure vessels
• Drafting Committee: CEN/TC 54/WG 54 - D - Manufacture
• Directive: 2014/68/EU - Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment
• Mandate: M/071 - Mandate to CEN for standardization in the field of Pressure equipment
• Ref Project: SIST EN 13445-4:2021 - Unfired pressure vessels - Part 4: Fabrication

Relations

• Replaces: EN 13445-4:2014/A1:2016 - Unfired pressure vessels - Part 4: Fabrication
• Effective Date: 19-May-2021
• Replaces: EN 13445-4:2014 - Unfired pressure vessels - Part 4: Fabrication
• Effective Date: 19-May-2021
• Merged Into: EN 13445-4:2021+A1:2023 - Unfired pressure vessels - Part 4: Fabrication
• Effective Date: 28-Jun-2023
• Amended By: EN 13445-4:2021/A1:2023 - Unfired pressure vessels - Part 4: Fabrication
• Effective Date: 22-Dec-2021

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2021
Nadomešča:
SIST EN 13445-4:2014
SIST EN 13445-4:2014/A1:2017
Nekurjene tlačne posode - 4. del: Proizvodnja
Unfired pressure vessels - Part 4: Fabrication
Unbefeuerte Druckbehälter - Teil 4: Herstellung
Récipients sous pression non soumis à la flamme - Partie 4: Fabrication
Ta slovenski standard je istoveten z: EN 13445-4:2021
ICS:
23.020.32 Tlačne posode Pressure vessels
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13445-4
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2021
EUROPÄISCHE NORM
ICS 23.020.30 Supersedes EN 13445-4:2014
English Version
Unfired pressure vessels - Part 4: Fabrication
Récipients sous pression non soumis à la flamme - Unbefeuerte Druckbehälter - Teil 4: Herstellung
Partie 4: Fabrication
This European Standard was approved by CEN on 24 February 2021.

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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13445-4:2021 E
worldwide for CEN national Members.

Issue 1 (2021-05)
Contents
Page
European foreword . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 8
4 Requirements for manufacturing and subcontracting . 8
4.1 Manufacturing . 8
4.2 Subcontracting . 9
5 Materials . 9
5.1 General . 9
5.2 Material traceability . 9
5.2.1 General . 9
5.2.2 Identification system . 10
5.2.3 Visibility. 10
5.2.4 Review of material certification and material identification . 10
5.2.5 Transfer of markings . 11
6 Manufacturing tolerances . 11
6.1 Surface geometry of welds . 11
6.2 Middle line alignment . 11
6.3 Surface alignment . 13
6.3.1 Surface misalignment between parts . 13
6.3.2 Joining of parts of different thickness . 13
6.4 Tolerances for vessels subjected to internal pressure . 13
6.4.1 External diameter . 13
6.4.2 Out of roundness . 13
6.4.3 Deviation from the longitudinal axis . 14
6.4.4 Irregularities in profile . 14
6.4.5 Local thinning . 16
6.4.6 Dished ends . 17
6.5 Tolerances for vessels subjected to external pressure . 20
6.6 Structural tolerances . 20
7 Weld details . 20
7.1 General . 20
7.2 Vessels or parts made of more than one course . 20
7.3 Lapped joints, joggle joints, permanent backing strips . 20
8 Welding . 20
8.1 General . 20
8.2 Welding procedure specification (WPS) . 21
8.3 Welding procedure qualification record (WPQR) . 21
8.4 Qualification of welders and welding operators . 22
8.5 Filler metals and auxiliary materials . 23
8.6 Joint preparation . 23
8.7 Execution of welded joints . 24
8.8 Attachments, supports and stiffeners . 24
Issue 1 (2021-05)
8.9 Preheat . 24
8.10 Permanent joints other than welding . 25
8.10.1 General . 25
8.10.2 Mechanical roller expansion . 25
8.10.3 Brazing . 25
9 Manufacture and testing of welds — Production test . 25
9.1 General . 25
9.2 Reference criteria . 26
9.3 Extent of testing . 30
9.4 Performance of tests and acceptance criteria . 32
9.4.1 General . 32
9.4.2 Transverse tensile test . 32
9.4.3 Longitudinal weld tensile test . 32
9.4.4 Impact test . 32
9.4.5 Bend test . 32
9.4.6 Macro examination . 33
9.4.7 Micro examination . 33
9.4.8 Hardness test . 33
9.4.9 Retests . 33
9.4.10 Test report . 34
10 Forming of pressure parts . 34
10.1 General . 34
10.2 Ratio of deformation . 34
10.2.1 Dished circular products . 34
10.2.2 Cylinders and cones made by rolling . 35
10.2.3 Other product types . 36
10.2.4 Tube bends . 37
10.2.5 Forming of Segments . 37
10.3 Forming procedures . 38
10.3.1 Cold forming . 38
10.3.2 Hot forming . 39
10.4 Heat treatment after forming . 41
10.4.1 General . 41
10.4.2 Heat treatment of flat products
...