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BS EN 12952-6:2021 – TC:2022 Edition

BS EN 12952-6:2021 – TC:2022 Edition

$217.84

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
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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

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BS EN 12952-6:2021 - TC
$217.84