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BS EN 10217-2:2019:2021 Edition

BS EN 10217-2:2019:2021 Edition

$167.15

Welded steel tubes for pressure purposes. Technical delivery conditions – Electric welded non-alloy and alloy steel tubes with specified elevated 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 elevated temperature properties, made from non-alloy quality steel or alloy special 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 elevated 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 a 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 any subsequent processing procedures which may affect properties of the base materials.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
10 3 Terms and definitions
11 4 Symbols
5 Classification and designation
5.1 Classification
5.2 Designation
6 Information to be supplied by the purchaser
6.1 Mandatory information
12 6.2 Options
13 6.3 Example of an order
7 Manufacturing process
7.1 Steelmaking process
7.2 Tube manufacture and delivery conditions
14 7.3 Non Destructive Testing Personnel Requirements
8 Requirements
8.1 General
8.2 Chemical composition
8.2.1 Cast analysis
16 8.2.2 Product analysis
8.3 Mechanical properties
17 8.4 Appearance and internal soundness
8.4.1 Weld seam
18 8.4.2 Tube surface
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
19 8.7 Dimensions, masses and tolerances
8.7.1 Diameter and wall thickness
23 8.7.2 Mass
8.7.3 Lengths
8.7.4 Tolerances
8.7.4.1 Tolerances on diameter and thickness
8.7.4.2 Height of the weld seam
24 8.7.4.3 Tolerances on exact length
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
25 9.2.2 Content of inspection documents
9.3 Summary of inspection and testing
27 10 Sampling
10.1 Frequency of tests
10.1.1 Test unit
10.1.2 Number of sample tubes per test unit
28 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 pieces for flattening test, ring tensile test, drift expanding test, ring expanding test
10.2.2.5 Test pieces for impact tests on the tube body
29 11 Verification of test methods
11.1 Chemical analysis
11.2 Tensile test on the tube body
11.2.1 At room temperature
11.2.2 At elevated temperature
30 11.3 Transverse tensile test on the weld
11.4 Flattening test
11.5 Ring tensile test
11.6 Drift expanding test
31 11.7 Ring expanding test
11.8 Impact test
32 11.9 Leak tightness test
11.9.1 Hydrostatic test
11.9.2 Electromagnetic test
11.10 Dimensional inspection
33 11.11 Visual examination
11.12 Non-Destructive Testing
11.13 Material identification
11.14 Retests, sorting and reprocessing
34 12 Marking
12.1 Marking to be applied
12.2 Additional marking
13 Protection
35 Annex A(informative)Technical changes from the previous edition
A.1 Introduction
A.2 Technical changes
37 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of 2014/68/EU

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BS EN 10217-2:2019
$167.15