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BS EN 10217-3:2019:2021 Edition

BS EN 10217-3:2019:2021 Edition

$198.66

Welded steel tubes for pressure purposes. Technical delivery conditions – Electric welded and submerged arc welded alloy fine grain steel tubes with specified room, elevated and low temperature properties

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BSI 2021 58
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This document specifies the technical delivery conditions for two test categories of electric welded and submerged arc longitudinally (SAWL) or helically (SAWH) welded tubes of circular cross section, made from weldable fine grain steel. NOTE 1 These tube grades are intended to support the essential requirements of EU Directive 2014/68/EU in respect of pressure equipment 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
10 1 Scope
2 Normative references
12 3 Terms and definitions
13 4 Symbols
5 Classification and designation
5.1 Classification
5.2 Designation
6 Information to be supplied by the purchaser
6.1 Mandatory information
14 6.2 Options
15 6.3 Example of an order
7 Manufacturing process
7.1 Steelmaking process
7.2 Tube manufacture and delivery conditions
16 7.3 Non Destructive Testing Personnel Requirements
17 8 Requirements
8.1 General
8.2 Chemical composition
8.2.1 Cast analysis
19 8.2.2 Product analysis
8.3 Grain size
8.4 Mechanical properties
22 8.5 Appearance and internal soundness
8.5.1 Weld seam
8.5.2 Tube surface
23 8.5.3 Internal soundness
8.5.3.1 Leak tightness
8.5.3.2 Non-Destructive Testing
8.6 Straightness
8.7 Preparation of ends
24 8.8 Dimensions, masses and tolerances
8.8.1 Diameters and wall thickness
30 8.8.2 Mass
8.8.3 Lengths
8.8.4 Tolerances
8.8.4.1 Tolerances on diameter and thickness
8.8.4.2 Height of the weld seam
31 8.8.4.3 Radial offset of plate or strip edges at the weld of SAW tubes
8.8.4.4 Misalignment of the weld seam of SAW tubes
32 8.8.4.5 Tolerances on exact length
8.8.4.6 Out-of-roundness
9 Inspection
9.1 Type of inspection
33 9.2 Inspection documents
9.2.1 Types of inspection documents
9.2.2 Content of inspection documents
9.3 Summary of inspection and testing
36 10 Sampling
10.1 Frequency of tests
10.1.1 Test unit
10.1.2 Number of sample tubes per test unit
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
37 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 weld bend tests (SAW tubes)
10.2.2.6 Test pieces for impact tests on the tube body
38 10.2.2.7 Test pieces for impact tests on the weld
11 Verification of test methods
11.1 Chemical analysis
11.2 Tensile test
11.2.1 Tensile test on the tube body
11.2.1.1 At room temperature
39 11.2.1.2 At elevated temperature
11.2.2 Transverse tensile test on the weld
11.3 Flattening test
11.4 Ring tensile test
11.5 Drift expanding test
40 11.6 Ring expanding test
11.7 Weld bend test
11.8 Impact test
41 11.9 Leak tightness test
11.9.1 Hydrostatic test
11.9.2 Electromagnetic test
11.10 Dimensional inspection
42 11.11 Visual examination
11.12 Non-Destructive Testing
11.12.1 Non-Destructive Testing of HFW tubes
11.12.2 Non-destructive testing of SAW tubes
11.12.2.1 Non-Destructive Testing of the weld seam
43 11.12.2.2 Non-Destructive Testing for the detection of laminations for tubes of test category 2
11.12.2.3 Supply of strip end welds in SAWH tubes
11.13 Material identification
11.14 Retests, sorting and reprocessing
44 12 Marking
12.1 Marking to be applied
12.2 Additional marking
13 Protection
45 Annex A (normative)Qualification of welding procedure for SAW tube production
A.1 General
A.2 Welding procedure specification
A.2.1 General
A.2.2 Parent metal
A.2.2.1 Steel name or number
A.2.2.2 Tube dimensions
A.2.3 Weld preparation
A.2.4 Filler wires and fluxes
46 A.2.5 Electrical parameters
A.2.6 Mechanical parameters
A.2.7 Heat input (kJ/mm)
A.2.8 Preheat temperature
A.2.9 Interpass temperature
A.2.10 Postweld heat treatment
A.2.11 Example of welding procedure form
A.3 Preparation of sample tube and sample assessment
A.3.1 Sample tube
A.3.2 Sample assessment
48 A.4 Inspection and testing of the weld
A.5 Weld test pieces
A.5.1 Weld bend test pieces
A.5.2 Macro-examination
A.5.3 Transverse weld tensile test
A.5.4 Weld impact test
A.6 Test methods
A.6.1 Visual examination
A.6.2 NDT test
A.6.3 Weld bend test
49 A.6.4 Macro-examination
A.6.5 Transverse weld tensile test
A.6.6 Weld impact test
A.7 Test acceptance levels
A.7.1 Visual examination
A.7.2 NDT test
A.7.3 Weld bend test
A.7.4 Macro-examination
A.7.5 Transverse weld tensile test
A.7.6 Weld impact test
50 A.7.7 Example of test result document
51 A.8 Range of use of qualified procedures
A.8.1 Materials groups
A.8.2 Materials thickness
A.8.3 Filler wire classification
A.8.4 Welding flux
52 A.8.5 Other parameters
A.9 Qualification record
53 Annex B (normative)Elevated temperature properties for steel grades P275NL1 and NL2
54 Annex C (informative)Technical changes from the previous edition
C.1 Introduction
C.2 Technical changes
56 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of 2014/68/EU

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BS EN 10217-3:2019
$198.66