BS EN 12952-6:2021 – TC:2022 Edition
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Tracked Changes. Water-tube boilers and auxiliary installations – Inspection during construction, documentation and marking of pressure parts of the boiler
Published By | Publication Date | Number of Pages |
BSI | 2022 | 94 |
This European Standard specifies requirements for the inspection during construction, documentation and marking of water-tube boilers as defined in EN 12952-1.
PDF Catalog
PDF Pages | PDF Title |
---|---|
58 | undefined |
66 | 1 Scope 2 Normative references |
67 | 3 Terms and definitions 4 General organization 4.1 General 4.2 Conformity assessment 4.3 Competency of the manufacturer 4.4 Calibration of equipment |
68 | 4.5 Inspection activities |
70 | 5 Non-destructive testing (NDT) of parent materials 6 Production test plates for drums 6.1 General 6.2 Number of production test plates |
71 | 6.3 Tests required 6.3.1 Non-destructive testing 6.3.2 Destructive tests 6.4 Acceptance criteria 6.4.1 Non-destructive testing 6.4.2 Transverse tensile test |
72 | 6.4.3 Longitudinal tensile test on weld metal 6.4.4 Bend tests 6.4.5 Impact values 6.4.6 Macroscopic examination 6.4.7 Hardness survey 6.4.8 Dissimilar joints |
73 | 6.5 Non-conformance of results 6.5.1 General 6.5.2 Specific case for Charpy V-notch impact tests 7 Non-destructive testing of welds 7.1 Type and extent of non-destructive testing 7.1.1 General |
74 | 7.1.2 Drums and Headers |
75 | 7.1.3 Tube walls |
76 | 7.1.4 Pipes and Tubes |
78 | 7.1.5 Extension procedure of random testing in case of repairs 7.2 Qualification of non-destructive testing (NDT) personnel |
79 | 7.3 The detection of surface imperfections 7.3.1 General 7.3.2 Visual examination 7.3.3 Penetrant testing 7.3.4 Magnetic particle testing |
80 | 7.3.5 Acceptance criteria for weld surface imperfections |
82 | 7.4 Testing for volumetric imperfections 7.4.1 Radiographic testing 7.4.1.1 Method 7.4.1.2 Acceptance criteria for imperfections |
85 | 7.4.2 Ultrasonic testing 7.4.2.1 Method |
86 | 7.4.2.2 Acceptance criteria 7.5 Non-destructive testing reports |
87 | 8 Final inspection 8.1 Visual and dimensional examinations 8.2 Hydrostatic pressure test 8.2.1 General 8.2.2 Test procedure |
88 | 9 Documentation |
89 | 10 Marking |
90 | Annex A (normative)Special requirements for chemical recovery boilers A.1 General A.2 Special requirements for non-destructive testing (NDT) of welds A.2.1 General A.2.2 Special requirements for NDT of welds in a chemical recovery boiler – Volumetric testing A.2.3 Methods of testing |
91 | Annex B (informative)Significant technical changes between this document and the previous edition |
92 | Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2014/68/EU aimed to be covered |