BS EN 13445-4-2009 无燃烧压力容器.制造1.pdf
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1、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? EN 13445-4:2009 (E) Issue 1 (2009-07) 2 ContentsPage Foreword4 1 Scope 5 2 Normative references5 3 Requirements for manufacturing and subcontracting 7 3.1 Manufacturing7 3.2 Subc
2、ontracting.7 4 Materials .8 4.1 General8 4.2 Material traceability .8 4.2.1 General8 4.2.2 Identification system.8 4.2.3 Visibility 9 4.2.4 Review of material certification and material identification9 4.2.5 Transfer of markings.9 5 Manufacturing tolerances.9 5.1 Surface geometry of welds.9 5.2 Midd
3、le line alignment 9 5.3 Surface alignment. 11 5.3.1 Surface misalignment between parts. 11 5.3.2 Joining of parts of different thickness . 11 5.4 Tolerances for vessels subjected to internal pressure 11 5.4.1 External diameter 11 5.4.2 Out of roundness 11 5.4.3 Deviation from the longitudinal axis.
4、12 5.4.4 Irregularities in profile 12 5.4.5 Local thinning . 14 5.4.5 Dished ends. 15 5.5 Tolerances for vessels subjected to external pressure . 17 5.6 Structural tolerances 17 6 Weld details. 17 6.1 General. 17 6.2 Vessels or parts made of more than one course 17 6.3 Lapped joints, joggle joints,
5、permanent backing strips. 17 7 Welding 17 7.1 General. 17 7.2 Welding procedure specification (WPS) 18 7.3 Qualification of welding procedure specifications (WPAR). 18 7.4 Qualification of welders and welding operators 19 7.5 Filler metals and auxiliary materials. 19 7.6 Joint preparation. 19 7.7 Ex
6、ecution of welded joints 20 7.8 Attachments, supports and stiffeners 20 7.9 Preheat. 21 8 Manufacture and testing of welds Production test. 21 8.1 General. 21 8.2 Reference criteria 21 8.3 Extent of testing 25 8.4 Performance of tests and acceptance criteria. 27 8.4.1 General. 27 8.4.2 Transverse te
7、nsile test. 27 BS EN 13445-4:2009 EN 13445-4:2009 (E) Issue 1 (2009-07) 3 8.4.3 Longitudinal weld tensile test 27 8.4.4 Impact test27 8.4.5 Bend test.27 8.4.6 Macro examination28 8.4.7 Micro examination .28 8.4.8 Hardness test.28 8.4.9 Retests28 8.4.10 Test report29 9 Forming of pressure parts29 9.1
8、 General29 9.2 Ratio of deformation29 9.2.1 Dished circular products 29 9.2.2 Cylinders and cones made by rolling30 9.2.3 Other product types 31 9.2.4 Tube bends.32 9.2.5 Forming of Segments32 9.3 Forming procedures33 9.3.1 Cold forming 33 9.3.2 Hot forming 33 9.4 Heat treatment after forming 36 9.4
9、.1 General36 9.4.2 Heat treatment of flat products after cold forming 36 9.4.3 Heat treatment of tubular products after cold forming38 9.4.4 Heat treatment of clad steels after cold forming38 9.4.5 Heat treatment after hot forming38 9.4.6 Heat treatment of clad steels after hot forming39 9.5 Samplin
10、g of formed test coupons .39 9.5.1 Cold formed products without heat treatment .39 9.5.2 Hot formed or cold formed products with heat treatment.39 9.6 Tests40 9.6.1 Base material .40 9.6.2 Butt welds.40 9.6.3 Acceptance criteria for formed test coupons.41 9.6.4 Retests of formed coupons41 9.7 Visual
11、 inspection and control of dimension.41 9.8 Marking.42 9.9 Documentation.42 10 Post weld heat treatment (PWHT)42 10.1 General42 10.2 Heat treatment conditions 43 10.3 Method of PWHT45 10.4 PWHT procedure46 10.5 Mechanical properties after heat treatment46 10.6 Dissimilar ferritic joints.47 10.7 Spec
12、ial materials .48 11 Repairs48 11.1 Repairs of surface defects in the parent metal 49 11.2 Repair of weld defects.49 12 Finishing operations .49 Annex A (informative) Structural tolerances51 Annex B (informative) Example of a sub-contractors form 55 Annex Y (informative) Differences between EN 13445
13、-4:2002 and EN 13445-4:2009.56 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of the EU Pressure Equipment Directive 97/23/EC .57 Bibliography58 BS EN 13445-4:2009 EN 13445-4:2009 (E) Issue 1 (2009-07) 4 Foreword This document (EN 13445-4:2009) has
14、been prepared by Technical Committee CEN/TC 54 Unfired pressure 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 December 2009, and conflicting nat
15、ional standards shall be withdrawn at the latest by December 2009. 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 b
16、een prepared under a mandate given to CEN by the European Commission 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. This European Standard co
17、nsists of the following Parts: Part 1: General. Part 2: Materials. Part 3: Design. Part 4: Fabrication. Part 5: Inspection and testing. Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron. CR 13445-7, Unfired press
18、ure vessels Part 7: Guidance on the use of conformity assessment procedures. Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys. CEN/TR 13445-9, Unfired pressure vessels Part 9: Conformance of EN 13445 series to ISO 16528. This document supersedes EN 13445-4:2002.
19、 This new edition incorporates the Amendments which have been approved previously by CEN members, and the corrected pages up to Issue 36 without any further technical change. Annex Y to EN 13445-1:2009 and Annex Y to this Part provides details of significant technical changes between this European S
20、tandard and the previous edition. Amendments to this new edition may be issued from time to time and then used immediately as alternatives to rules contained herein. It is intended to deliver a new Issue of EN 13445:2009 each year, consolidating these Amendments and including other identified correc
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