CEN/TR 13445-101:2015

Unfired pressure vessels - Example of application

This Technical Report presents an application of EN 13445 through an example of design and fabrication of an unfired pressure vessel. Every step is described as far as possible:
-   Material choice;
-   Design and calculation;
-   Fabrication;
-   Inspection and testing;
using the following part of EN 13445:
-   EN 13445-1:2009;
-   EN 13445-2:2009;
-   EN 13445-3:2009;
-   EN 13445-4:2009;
-   EN 13445-5:2009 .
As applicable, some choices for design or fabrication are made according to “the state of art” practice.
Some parts of EN 13445 are reproduced in order to show which requirements are relevant to the design and fabrication of the target vessel.

Unbefeuerte Druckbehälter - Teil 101: Anwendungsbeispiel

Récipients sous pression non soumis à la flamme - Partie 101 : Exemple d'application

Neogrevane tlačne posode - Primer uporabe

General Information

• Status: Published
• Publication Date: 21-Apr-2015
• ICS: 23.020.30 - Pressure vessels, gas cylinders
• Technical Committee: CEN/TC 54 - Unfired pressure vessels
• Drafting Committee: CEN/TC 54 - Unfired pressure vessels
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 22-Apr-2015
• Due Date: 07-May-2016
• Completion Date: 22-Apr-2015
• Ref Project: SIST-TP CEN/TR 13445-101:2015 - Unfired pressure vessels - Example of application

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2015
1HRJUHYDQHWODþQHSRVRGH3ULPHUXSRUDEH
Unfired pressure vessels - Example of application
Unbefeuerte Druckbehälter - Teil 101: Anwendungsbeispiel
Récipients sous pression non soumis à la flamme - Partie 101 : Exemple d'application
Ta slovenski standard je istoveten z: CEN/TR 13445-101:2015
ICS:
23.020.30 7ODþQHSRVRGHSOLQVNH Pressure vessels, gas
MHNOHQNH cylinders
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL REPORT
CEN/TR 13445-101
RAPPORT TECHNIQUE
TECHNISCHER BERICHT
April 2015
ICS 23.020.30
English Version
Unfired pressure vessels - Example of application
Récipients sous pression non soumis à la flamme - Partie Unbefeuerte Druckbehälter - Teil 101: Anwendungsbeispiel
101 : Exemple d'application
This Technical Report was approved by CEN on 10 February 2015. It has been drawn up by the Technical Committee CEN/TC 54.

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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 13445-101:2015 E
worldwide for CEN national Members.

Contents Page
Foreword . 3
1 Scope . 4
2 Normative references . 4
3 Presentation of example . 5
3.1 General . 5
3.2 Pressure vessel data . 5
3.3 PED 97/23/CE Category . 7
3.4 Extracts from EN 13445-1 to EN 13445-5:2009 and from others standards . 7
4 Materials . 7
4.1 General . 7
4.2 Minimum requirements for materials . 7
4.3 Mechanical properties of the chosen materials . 9
4.4 Type of material certificate . 12
4.5 Prevention of brittle fracture . 13
4.6 Particular Material Appraisal (PMA) . 25
5 Calculations and design . 26
5.1 General . 26
5.2 Definitions related to pressure . 26
5.3 Thickness definitions and joint coefficient . 27
5.4 Prevention of brittle fracture . 28
5.5 Maximum allowed values of the nominal design stress . 28
5.6 Calculations and design . 30
6 Fabrication . 68
6.1 General . 68
6.2 Minimum requirements for fabrication . 69
6.3 Production tests. 72
6.4 Forming of shell . 76
6.5 Post weld heat-treatment (PWHT) . 82
6.6 Others requirements . 84
7 Inspection and testing . 84
7.1 General . 84
7.2 Performance of inspection and testing . 85
7.3 Technical documentation . 85
7.4 Inspection and testing during fabrication . 85
7.5 Others requirements . 91
7.6 Final assessment . 91
7.7 Marking and declaration of compliance with the standard . 94

Foreword
This document (CEN/TR 13445-101:2015) has been prepared by Technical Committee CEN/TC 54 “Unfired
pressure vessels”, the secretariat of which is held by BSI.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

1 Scope
This Technical Report presents an application of EN 13445 through an example of design and fabrication of an
unfired pressure vessel. Every step is described as far as possible:
— Material choice;
— Design and calculation;
— Fabrication;
— Inspection and testing;
using the following part of EN 13445:
— EN 13445-1:2009;
— EN 13445-2:2009;
— EN 13445-3:2009;
— EN 13445-4:2009;
— EN 13445-5:2009 .
As applicable, some choices for design or fabrication are made according to “the state of art” practice.
Some parts of EN 13445 are reproduced in order to show which requirements are relevant to the design and
fabrication of the target vessel.
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 287-1:2004+A2:2006, Approval testing of welders — Fusion welding — Part 1: Steels
EN 473:2008, Non-destructive testing — Qualification and certification of NDT personnel — General principles
EN 764-5:2002, Pressure Equipment — Part 5: Compliance and Inspection Documentation of Materials
EN 1092-1:2007, Flanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN
designated
EN 1418:1997, Welding personnel — Approval testing of welding operators for fusion welding and resistance weld
setters for fully mechanized and automatic welding of metallic materials
EN 1515-3:2005, Flanges and their joints — Bolting — Part 3: Classification of bolt materials for steel flanges, class
designated
EN 1515-4:2009, Flanges and their joints — Bolting — Part 4: Selection of bolting for equipment subject to the
Pressure Equipment Directive 97/23/EC
EN 1759-1:2004, Flanges and their joint — Circular flanges for pipes, valves, fittings and accessories, Class
designated — Part 1: Steel flanges, NPS 1/2 to 24
EN 10025-2:2004, Hot rolled products of structural steels — Part 2: Technical delivery conditions for non-alloy
structural steels
EN 10028-1:2007, Flat products made of steels for pressure purposes — Part 1: General requirements
EN 10028-2:2003, Flat products made of steels for pressure purposes — Part 2: Non-alloy and alloy steels with
specified elevated temperature properties.
EN 10029:2010, Hot-rolled steel plates 3 mm thick or above —Tolerances on dimensions and shape
EN 10204:2004, Metallic products — Types of inspection documents.
EN 10216-3:2002, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 3: Alloy
fine grain steel tubes
EN 10222-4:1998, Steel forgings for pressure purposes — Part 4: Weldable fine grain steels with high proof
strength.
EN 10269:1999+A1:2006, Steels and nickel alloys for fasteners with specified elevated and/or low temperature
properties
EN 12560-4:2001, Flanges and their joints — Gaskets for Class-designated flantes — Part 4: Corrugated, flat or
grooved metallic and filled metallic gaskets for use with steel flanges
CR ISO 15608:2000, Welding — Guidelines for a metallic material grouping system (ISO/TR 15608:2000)
EN ISO 15614-1:2004, Specification and qualification of welding procedures for metallic materials — Welding
procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys (ISO 15614-
1:2004)
3 Presentation of example
3.1 General
The target vessel consists of several components:
— a cylindrical shell,
— two elliptical ends,
— a welding neck flange,
— a nozzle,
— two saddle supports arranged symmetrically
3.2 Pressure vessel data
The data specified for the present example are the following:
— Vessel data:
Key
D = 3 468 mm
i
L = 20 000 mm (cylindrical shell length)
Figure 1 — Pressure vessel data
Material: steel
— Service data:
Normal service conditions:
— Internal pressure: 44 bar
— Maximum temperature: 50 °C
— Minimum metal temperature: -20 °C
— Liquid group 1, density: 0,54
— Pressure loading predominantly of non-cyclic nature
There are not exceptional service conditions.
PED 97/23/CE regulation applies.
The calculation of all components is performed by formulas (DBF: Design By Formula). According to the specified
operating conditions, the pressure vessel is neither subjected to fatigue nor to creep.
It is supposed that there is only a risk of atmospheric corrosion during operation of the vessel. Thus, a corrosion
allowance of 3 mm is added.
3.3 PED 97/23/CE Category
The maximum allowable pressure PS used as a first approach is 44 bar and the fluid is a liquid of group 1.
The category which applied for the target vessel is category II as defined in Clause 3 paragraph 1.1(b) of the PED
which indicates the use of Table 3 of Annex II of PED to set the category.
3.4 Extracts from EN 13445-1 to EN 13445-5:2009 and from others standards
The extracts from the EN 13445 Standard clauses which are the most relevant at each step of the example are
reproduced in black frames. When necessary, the adequate requirements in these extracts are framed in red.
Other extracts of standards referenced in EN 13445 are reproduced, also in black frames, and the standard from
which they are extracted is mentioned. When necessary, the adequate requirements in these extracts are framed
in red.
4 Materials
4.1 General
EN 13445-2:2009 gives the minimum requirements to be fulfilled for steel entering the manufacturing of pressure
vessel. The informative Annex E of this standard references European materials usable for pressure vessel
manufacturing. The corresponding steel grades come from harmonized European standards. The Grouping
according to CEN ISO/TR 15608:2000 is also given for each grade.
The minimum requirements concern elongation, impact test and chemical composition. These requirements for
steel should ensure toughness and good behaviour of materials during manufacturing (weldability and forming).
Table 4.1-1 of this report summarizes some p
...