BS EN 10217-4:2019
$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 | 2019 | 40 |
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 |
| 9 | 1 Scope 2 Normative references |
| 10 | 3 Terms and definitions |
| 11 | 4 Symbols 5 Classification and designation 5.1 Classification 5.2 Designation |
| 12 | 6 Information to be supplied by the purchaser 6.1 Mandatory information 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 |
| 17 | 8.2.2 Product analysis 8.3 Mechanical properties |
| 18 | 8.4 Appearance and internal soundness 8.4.1 Weld seam 8.4.2 Tube surface |
| 19 | 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 |
| 20 | 8.7 Dimensions, masses and tolerances 8.7.1 Diameter and wall thickness 8.7.2 Mass 8.7.3 Lengths |
| 23 | 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 |
| 24 | 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 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 |
| 29 | 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 |
| 30 | 11.4 Flattening test 11.5 Ring tensile test 11.6 Drift expanding test 11.7 Ring expanding test |
| 31 | 11.8 Impact test 11.9 Leak tightness test 11.9.1 Hydrostatic test |
| 32 | 11.9.2 Electromagnetic test 11.10 Dimensional inspection 11.11 Visual examination 11.12 Non-Destructive Testing |
| 33 | 11.13 Retests, sorting and reprocessing 12 Marking 12.1 Marking to be applied |
| 34 | 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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