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BS EN 10217-4:2019:2021 Edition

BS EN 10217-4:2019:2021 Edition

$167.15

Welded steel tubes for pressure purposes. Technical delivery conditions – Electric welded non-alloy steel tubes with specified low temperature properties

Published By Publication Date Number of Pages
BSI 2021 40
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This document specifies the technical delivery conditions for two test categories of electric welded tubes of circular cross section, with specified low temperature properties, made from non-alloy quality steel. NOTE 1 These tube grades are intended to support the essential requirements of EU Directive 2014/68/EU in respect of pressure equipment with specified low temperature properties covered under all relevant Categories as set out in Article 13 of that Directive. NOTE 2 Once this standard is published in the Official Journal of the European Union (OJEU), presumption of conformity to the Essential Safety Requirements (ESR) of Directive 2014/68/EU is limited to the technical data for the materials in this standard and does not presume adequacy of the material for a specific item of pressure equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of the Pressure Equipment Directive are satisfied, needs to be done by the designer or manufacturer of the pressure equipment, taking also into account the subsequent manufacturing processes which may affect properties of the base materials.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
11 3 Terms and definitions
12 4 Symbols
5 Classification and designation
5.1 Classification
5.2 Designation
13 6 Information to be supplied by the purchaser
6.1 Mandatory information
6.2 Options
14 6.3 Example of an order
7 Manufacturing process
7.1 Steelmaking process
7.2 Tube manufacture and delivery conditions
15 7.3 Non Destructive Testing Personnel Requirements
8 Requirements
8.1 General
8.2 Chemical composition
8.2.1 Cast analysis
18 8.2.2 Product analysis
8.3 Mechanical properties
19 8.4 Appearance and internal soundness
8.4.1 Weld seam
8.4.2 Tube surface
20 8.4.3 Internal soundness
8.4.3.1 Leak tightness
8.4.3.2 Non-Destructive Testing
8.5 Straightness
8.6 Preparation of ends
21 8.7 Dimensions, masses and tolerances
8.7.1 Diameter and wall thickness
8.7.2 Mass
8.7.3 Lengths
24 8.7.4 Tolerances
8.7.4.1 Tolerances on diameter and thickness
8.7.4.2 Height of the weld
8.7.4.3 Tolerances on exact length
25 8.7.4.4 Out of roundness
9 Inspection
9.1 Type of inspection
9.2 Inspection documents
9.2.1 Types of inspection documents
26 9.2.2 Content of inspection documents
9.3 Summary of inspection and testing
28 10 Sampling
10.1 Frequency of tests
10.1.1 Test unit
10.1.2 Number of sample tubes per test unit
29 10.2 Preparation of samples and test pieces
10.2.1 Selection and preparation of samples for product analysis
10.2.2 Location, orientation and preparation of samples and test pieces for mechanical tests
10.2.2.1 General
10.2.2.2 Test pieces for tensile tests on the tube body
10.2.2.3 Test pieces for tensile tests on the weld
10.2.2.4 Test piece for the flattening test, ring tensile test, drift expanding test, ring expanding test
10.2.2.5 Test pieces for impact tests on the tube body
30 11 Verification of test methods
11.1 Chemical analysis
11.2 Tensile test on the tube body
11.3 Transverse tensile test on the weld
31 11.4 Flattening test
11.5 Ring tensile test
11.6 Drift expanding test
11.7 Ring expanding test
32 11.8 Impact test
11.9 Leak tightness test
11.9.1 Hydrostatic test
33 11.9.2 Electromagnetic test
11.10 Dimensional inspection
11.11 Visual examination
11.12 Non-Destructive Testing
34 11.13 Retests, sorting and reprocessing
12 Marking
12.1 Marking to be applied
35 12.2 Additional marking
13 Protection
36 Annex A (informative)Technical changes from the previous edition
A.1 Introduction
A.2 Technical changes
38 Annex ZA(informative)Relationship between this European Standard and the Essential Requirements of 2014/68/EU

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BS EN 10217-4:2019
$167.15