ДСТУ EN 13445-4:2022 Посудини, які працюють під тиском, без вогневого підведення теплоти. Частина 4. Виготовлення (EN 13445-4:2021, IDT)



ДСТУ EN 13445-4:2022
(EN 13445-4:2021, IDT)

Посудини, які працюють під тиском, без вогневого підведення теплоти. Частина 4. Виготовлення

 
   
 
 
     
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 Requirements for manufacturing and subcontracting

4.1 Manufacturing

4.2 Subcontracting

5 Materials

5.1 General

5.2 Material traceability

5.2.1 General

5.2.2 Identification system

5.2.3 Visibility

5.2.4 Review of material certification and material identification

5.2.5 Transfer of markings

6 Manufacturing tolerances

6.1 Surface geometry of welds

6.2 Middle line alignment

6.3 Surface alignment

6.3.1 Surface misalignment between parts

6.3.2 Joining of parts of different thickness

6.4 Tolerances for vessels subjected to internal pressure

6.4.1 External diameter

6.4.2 Out of roundness

6.4.3 Deviation from the longitudinal axis

6.4.4 Irregularities in profile

6.4.5 Local thinning

6.4.6 Dished ends

6.5 Tolerances for vessels subjected to external pressure

6.6 Structural tolerances

7 Weld details

7.1 General

7.2 Vessels or parts made of more than one course

7.3 Lapped joints, joggle joints, permanent backing strips

8 Welding

8.1 General

8.2 Welding procedure specification (WPS)

8.3 Welding procedure qualification record (WPQR)

8.4 Qualification of welders and welding operators

8.5 Filler metals and auxiliary materials

8.6 Joint preparation

8.7 Execution of welded joints

8.8 Attachments, supports and stiffeners

8.9 Preheat

8.10 Permanent joints other than welding

8.10.1 General

8.10.2 Mechanical roller expansion

8.10.3 Brazing

9 Manufacture and testing of welds — Production test

9.1 General

9.2 Reference criteria

9.3 Extent of testing

9.4 Performance of tests and acceptance criteria

9.4.1 General

9.4.2 Transverse tensile test

9.4.3 Longitudinal weld tensile test

9.4.4 Impact test

9.4.5 Bend test

9.4.6 Macro examination

9.4.7 Micro examination

9.4.8 Hardness test

9.4.9 Retests

9.4.10 Test report

10 Forming of pressure parts

10.1 General

10.2 Ratio of deformation

10.2.1 Dished circular products

10.2.2 Cylinders and cones made by rolling

10.2.3 Other product types

10.2.4 Tube bends

10.2.5 Forming of Segments

10.3 Forming procedures

10.3.1 Cold forming

10.3.2 Hot forming

10.4 Heat treatment after forming

10.4.1 General

10.4.2 Heat treatment of flat products after cold forming

10.4.3 Heat treatment of tubular products after cold forming

10.4.4 Heat treatment of clad steels after cold forming

10.4.5 Heat treatment after hot forming

10.4.6 Heat treatment of clad steels after hot forming

10.5 Sampling of formed test coupons

10.5.1 Cold formed products without heat treatment

10.5.2 Hot formed or cold formed products with heat treatment

10.6 Tests

10.6.1 Base material

10.6.2 Buttwelds

10.6.3 Acceptance criteria for formed test coupons

10.6.4 Retests of formed coupons

10.7 Visual inspection and control of dimension

10.8 Marking

10.9 Documentation

11 Post weld heat treatment (PWHT)

11.1 General

11.2 Heat treatment conditions

11.3 Method of PWHT

11.4 PWHT procedure

11.5 Mechanical properties after heat treatment

11.6 Dissimilar ferritic joints

11.7 Special materials

11.8 Heat Treatment for reasons other than welding

12 Repairs

12.1 Repairs of surface defects in the parent metal

12.2 Repair of weld defects

13 Finishing operations

Annex A (informative) Structural tolerances

Annex B (informative) Example of a sub-contractors form

Annex C (normative) Specification and approval of expansion procedures and operators

C.1 General

C.1.1 Introduction

C.1.2 Responsibility

C.1.3 Specification of expansion procedures

C.1.4 Technical content of expansion procedure specification (EPS)

C.1.5 Expansion procedure qualification test (EPQT)

C.2 Examination and testing

C.2.1 General

C.2.2 Visual examination

C.2.3 Dimensional verification

C.2.4 Testing

C.3 Range of approval

C.3.1 General

C.3.2 Manufacturer

C.3.3 Material

C.3.4 Tube dimensions

C.3.5 Expansion factor

C.3.6 Joint design

C.3.7 Tool

C.3.8 PWHT

C.4 Expansion Procedure Approval Record (EPAR)

C.5 Expansion operator approval

C.5.1 General

C.5.2 Validity range of expansion operator qualification

C.5.3 Qualification tests

C.5.4 Examination and testing

C.5.5 Period of validity

C.5.6 Certification

Annex Y (informative) History of EN 13445-4

Y.1 Differences between EN 13445-4:2014 and EN 13445-4:2021

Annex ZA (informative) Relationship between this European Standard and the essential requirements of Directive 2014/68/EU aimed to be covered

Bibliography