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1、BRITISH STANDARD BS EN 13445-8:2006 Unfired pressure vessels Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys The European Standard EN 13445-8:2006 has the status of a British Standard ICS 23.020.30 ? Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 20
2、07, Uncontrolled Copy, (c) BSI BS EN 13445-8:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2007 BSI 2007 ISBN 978 0 580 54156 8 National foreword This British Standard is the UK implementation of EN 13445-8:2006. The UK parti
3、cipation in its preparation was entrusted to Technical Committee PVE/1, Pressure vessels. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible
4、for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROP
5、ISCHE NORM EN 13445-8 October 2006 ICS 23.020.30 English Version Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys Rcipients sous pression non soumis la flamme - Partie 8 : Exigences complmentaires pour les rcipients sous pression en al
6、uminium et alliages daluminium Unbefeuerte Druckbehlter - Teil 8: Zustzliche Anforderungen an Druckbehlter aus Aluminium und Aluminiumlegierungen This European Standard was approved by CEN on 14 July 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the
7、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 Central Secretariat or to any CEN member. This European Standard exists in t
8、hree 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of
9、Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE
10、FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13445-8:2006: E Licensed Copy: Wang Bin, n
11、a, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 13445-8:2006 (E) Issue 1 (2006-10) 2 Contents Page Foreword4 1 Scope 5 2 Normative references5 3 Terms, definitions, symbols and units6 4 General requirements6 5 Materials .6 5.1 General6 5.2 Elongation after fracture.6 5.3 Prevent
12、ion of brittle fracture 7 5.4 Lamellar tearing.7 5.5 Chemical composition 7 5.6 Material grouping system .7 6 Design.8 6.1 General8 6.2 Design temperature and properties.8 6.3 Time-independent nominal design stress.9 6.4 Thick walled, small bore piping for shells 9 6.5 Fatigue design10 6.6 Lapped jo
13、ints, joggle joints, permanent backing strips10 6.6.1 General10 6.6.2 Lapped joints10 6.6.3 Joggle joints.10 6.6.4 Joints with permanent backing strips.11 7 Manufacture11 7.1 General11 7.2 Materials .11 7.3 Welding procedure specification (WPS) .11 7.4 Qualification of welding procedure specificatio
14、ns (WPQR)11 7.5 Qualification of welders and welding operators.11 7.6 Joint preparation12 7.7 Preheat12 7.8 Production test, reference criteria.12 7.9 Extent of testing.13 7.10 Performance of test and acceptance criteria13 7.11 Forming procedures13 7.12 Heat treatment after forming 14 7.13 Sampling
15、of formed products.15 7.14 Tests16 7.14.1 Base material16 7.14.2 Butt welds.16 7.15 Post weld heat treatment (PWHT)16 8 Inspection and testing.17 8.1 General17 8.2 Non-destructive testing of welded joints 17 8.2.1 General17 8.2.2 Demonstration of satisfactory experience for testing group 2.18 8.2.3
16、Symbols19 Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2006-10) 3 8.3 Determination of extent of non destructive testing.19 8.4 Applicable non destructive testing techniques .22 8.4.1 NDT methods .2
17、2 8.4.2 Acceptance criteria for radiographic testing (RT) .23 8.4.3 Acceptance criteria for visual and surface penetrant testing.23 8.4.4 Acceptance criteria for penetrant testing (PT).24 8.5 Selection of non-destructive testing methods for internal imperfections 24 8.6 Standard hydrostatic test.25
18、8.7 Pneumatic testing25 9 Inspection and testing of serially produced pressure vessels Model approval 25 9.1 General .25 9.2 Inspection and testing of pressure vessels subject to cyclic loads25 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Di
19、rective 97/23/EC26 Bibliography27 Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2006-10) 4 Foreword This document (EN 13445-8:2006) has been prepared by Technical Committee CEN/TC 54 “Unfired pressur
20、e vessels”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2007, and conflicting national standards shall be withdrawn at the latest by April 2007.
21、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. This document has been prepared under a mandate given to CEN by the European Commissio
22、n and the European 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of t
23、he following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Sloven
24、ia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2006-10) 5 1 Scope This Part 8 of this European Standard specifies requirements for unfired pressu
25、re vessels and their parts made of aluminium and aluminium alloys in addition to the general requirements for unfired pressure vessels under EN 13445:2002 Parts 1 to 5. This European Standard specifies unfired pressure vessels for loads up to 500 full cycles. NOTE Cast materials are not included in
26、this version. Details regarding cast materials will be subject to an amendment to or a revision of this European Standard. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undat
27、ed references, the latest edition of the referenced document (including any amendments) applies. EN 571-1, Non-destructive testing Penetrant testing Part 1: General principles EN 573-3, Aluminium and aluminium alloys Chemical composition and form of wrought products Part 3: Chemical composition EN 5
28、83-4, Non-destructive testing Ultrasonic examination Part 4: Examination for discontinuities perpendicular to the surface EN 970, Non-destructive examination of fusion welds Visual examination EN 1289:1998, Non-destructive examination of welds Penetrant testing of welds Acceptance levels EN 1435:199
29、7, Non-destructive examination of welds Radiographic examination of welded joints EN 1712, Non-destructive examination of welds Ultrasonic examination of welded joints Acceptance levels EN 1714, Non-destructive examination of welds Ultrasonic examination of welded joints EN 12062:1997, Non-destructi
30、ve examination of welds General rules for metallic materials EN 12392:2000, Aluminium and aluminium alloys Wrought products Special requirements for products intended for the production of pressure equipment EN 13445-1:2002, Unfired pressure vessels Part 1: General EN 13445-2:2002, Unfired pressure
31、vessels Part 2: Materials EN 13445-3:2002, Unfired pressure vessels Part 3: Design EN 13445-4:2002, Unfired pressure vessels Part 4: Fabrication EN 13445-5:2002, Unfired pressure vessels Part 5: Inspection and testing Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy
32、, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2006-10) 6 EN ISO 6520-1, Welding and allied processes Classification of geometric imperfections in metallic materials Part 1: Fusion welding (ISO 6520-1:1998) EN ISO 9606-2, Qualification test of welders Fusion welding Part 2: Alumini
33、um and aluminium alloys (ISO 9606-2:2004) EN ISO 10042:2005, Welding Arc-welded joints in aluminium and its alloys Quality levels for imperfections (ISO 10042:2005) EN ISO 15614-2, Specification and qualification of welding procedures for metallic materials Welding procedure test Part 2: Arc welding
34、 of aluminium and its alloys (ISO 15614-2:2005) CEN ISO/TR 15608, Welding Guidelines for a metallic materials grouping system (ISO/TR 15608:2005) 3 Terms, definitions, symbols and units For the purposes of this document, the terms, definitions, symbols and units given in EN 13445:2002 Parts 1 to 5 a
35、pply. NOTE Further symbols are listed in 8.2.3. 4 General requirements The general requirements of EN 13445-1 shall apply. 5 Materials 5.1 General The requirements of EN 13445-2 shall apply with the following additions/exclusions. 5.2 Elongation after fracture NOTE Also see 4.1.4 of EN 13445-2:2002.
36、 Aluminium and aluminium alloys used for welded parts of pressure vessels that are subjected to cold forming (e.g. rolled shells and heads) shall have a specified minimum elongation after fracture measured on a gauge length oo SL65, 5= (5.2-1) that is 14 % in the longitudinal or transverse direction
37、 as defined by the material specification. Aluminium and aluminium alloys used for parts of pressure vessels that are not subjected to cold forming (e.g. straight flanges and nozzles) shall have a specified minimum elongation after fracture measured on a gauge length oo SL65, 5= (5.2-2) that is 10 %
38、 in the longitudinal or transverse direction as defined by the material specification. Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2006-10) 7 5.3 Prevention of brittle fracture NOTE 1 Also see 4.1.
39、6 of EN 13445-2:2002. Annex B of EN 13445-2:2002 is not applicable. NOTE 2 The requirements of 4.3 of EN 1252-1:1998 should be used for determining the minimum design and temperature and the requirements to prevent brittle fracture. 5.4 Lamellar tearing NOTE Also see 4.2.1.2 of EN 13445-2:2002. Spec
40、ific requirements of lamellar tearing for pressure vessels of aluminium and its alloys are not applicable. 5.5 Chemical composition The chemical composition shall be in accordance with their material specification, except that all materials shall have a maximum lead content of 150 g/g. It is recomme
41、nded that the material to be used for welded components be produced from rolling or extrusion ingots with hydrogen level no greater than 0,2 ml per 100 g aluminium, measured on liquid metal during casting. 5.6 Material grouping system Annex A of EN 13445-2:2002 is not applicable for pressure vessels
42、 of aluminium and its alloys. The allowable materials for the construction of aluminium alloy pressure vessels shall be according to Table 5.6-1 below. Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00 2007, Uncontrolled Copy, (c) BSI w w w . b z f x w . c o m EN 13445-8:2006 (E) Issue 1 (2
43、006-10) 8 Table 5.6-1 Grouping system based on CEN ISO/TR 15608 and allowable materials of construction based on EN 12392 using the EN AW numbers according to EN 573-3 NOTE Any product form available in EN 12392 for a material in this table at an indicated temper is acceptable for construction to th
44、is European Standard, as long as the requirements of 5.2 and 5.5 are fulfilled. Other materials not defined here may be used by agreement by the parties concerned (see 4.1.4 of EN 13445-2:2002) if they meet the requirements of 5.2 and 5.5 and a particular material appraisal is produced (see EN 764-4
45、). Designation Group Sub group Type of aluminium and aluminium alloys EN AW number Chemical symbol Temper 21 Pure aluminium with 1 % impurities or alloy content EN AW 1050A EN AW 1070A EN AW 1080A EN AW-Al 99,5 EN AW-Al 99,7 EN AW-Al 99,8(A) O, H111, H112 O, H111, H112 O, H111, H112 Non heat treatab
46、le alloys 22.1 Aluminium-manganese alloys EN AW 3003 EN AW 3103 EN AW 3105 EN AW-Al Mn1Cu EN AW-Al Mn1 EN AW-Al Mn0,5Mg0,5 O, H111, H112 O, H111, H112 O, H111 22.2 Aluminium-magnesium alloys with Mg 1,5 % EN AW 5005 EN AW 5005A EN AW 5050 EN AW-Al Mg1(B) EN AW-Al Mg1(C) EN AW-Al Mg1,5(C) O, H111, H1
47、12 O, H111, H112 O, H111 22.3 Aluminium-magnesium alloys with 1,5 % 3,5 % EN AW 5083 EN AW 5086 EN AW-Al Mg4,5Mn0,7 EN AW-Al Mg4 O, H111, H112 O, H111 Heat treatable alloys 23 23.1 Aluminium-magnesium-silicon alloys EN AW 6060 EN AW 6061 EN AW-Al MgSi EN AW-Al Mg1SiCu T4 a T4 b, T6 c a for profiles
48、only b for seamless pipes and flanges only c for flanges only 6 Design 6.1 General The requirements of EN 13445-3 shall apply with the following additions/exclusions. 6.2 Design temperature and properties NOTE Also see 4.2.2 of EN 13445-2:2002. The 2nd paragraph of 4.2.2.1 of EN 13445-2:2002 is not
49、applicable for aluminium and its alloys. The maximum design temperature shall not exceed that defined in Table 1 of EN 12392:2000 as the maximum working temperature. The mechanical properties used for design shall be taken from the tabulated values in EN 12392 at room temperature for Rm/20 and at the highest design temperature for Re/t. Licensed Copy: Wang Bin, na, Mon Oct 15 07:04:19 GMT+00:00