ДСТУ EN 10217-2:2022 Трубы стальные сварные для работы под давлением. Технические условия снабжения. Часть 2. Электросварные трубы из нелегированных и легированных сталей с нормированными свойствами при повыш...
ДСТУ EN 10217-2:2022
(EN 10217-2:2019, IDT)
Труби сталеві зварні для роботи під тиском. Технічні умови постачання.
Частина 2. Електрозварні труби з нелегованих і легованих сталей із нормованими
властивостями за підвищених температур
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)
Contents
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification and designation
5.1 Classification
5.2 Designation
6 Information to be supplied by the purchaser
6.1 Mandatory information
6.2 Options
6.3 Example of an order
7 Manufacturing process
7.1 Steelmaking process
7.2 Tube manufacture and delivery conditions
7.3 Non Destructive Testing Personnel Requirements
8 Requirements
8.1 General
8.2 Chemical composition
8.2.1 Cast analysis
8.2.2 Product analysis
8.3 Mechanical properties
8.4 Appearance and internal soundness
8.4.1 Weld seam
8.4.2 Tube surface
8.4.3 Internal soundness
8.5 Straightness
8.6 Preparation of ends
8.7 Dimensions, masses and tolerances
8.7.1 Diameter and wall thickness
8.7.2 Mass
8.7.3 Lengths
8.7.4 Tolerances
9 Inspection
9.1 Type of inspection
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
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
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
11.3 Transverse tensile test on the weld
11.4 Flattening test
11.5 Ring tensile test
11.6 Drift expanding test
11.7 Ring expanding test
11.8 Impact test
11.9 Leak tightness test
11.9.1 Hydrostatic test
11.9.2 Electromagnetic test
11.10 Dimensional inspection
11.11 Visual examination
11.12 Non-Destructive Testing
11.13 Material identification
11.14 Retests, sorting and reprocessing
12 Marking
12.1 Marking to be applied
12.2 Additional marking
13 Protection
Annex A (informative) Technical changes from the previous edition
A.1 Introduction
A.2 Technical changes
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of 2014/68/EU
Bibliography
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