ДСТУ EN 13445-8:2022 Посудини, які працюють під тиском, без вогневого підведення теплоти. Частина 8. Додаткові вимоги до посудин під тиском з алюмінію та алюмінієвих сплавів (EN 13445-8:2021, IDT)

ДСТУ EN 13445-8:2022
(EN 13445-8:2021, IDT)

Посудини, які працюють під тиском, без вогневого підведення теплоти. Частина 8. Додаткові вимоги до посудин під тиском з алюмінію та алюмінієвих сплавів

 
   
 
 
     
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, definitions, symbols and units

4 General

5 Materials

5.1 General

5.2 Elongation after fracture

5.3 Prevention of brittle fracture

5.4 Lamellar tearing

5.5 Chemical composition

5.6 Material grouping system

6 Design

6.1 General

6.2 Design temperature and properties

6.3 Time-independent nominal design stress

6.4 Thick walled, small bore piping for shells

6.5 Fatigue design

6.6 Lapped joints, joggle joints, permanent backing strips

6.6.1 General

6.6.2 Lapped joints

6.6.3 Joggle joints

6.6.4 Joints with permanent backing strips

6.7 Flat ends

6.8 Design by experiment

6.9 Port-hole-extruded tubes

7 Manufacture

7.1 General

7.2 Materials

7.3 Tolerances

7.4 Welding procedure specification (WPS)

7.5 Qualification of welding procedure specifications (WPQR)

7.6 Qualification of welders and welding operators

7.7 Joint preparation

7.8 Preheat

7.9 Production test, reference criteria

7.10 Extent of testing

7.11 Performance of test and acceptance criteria

7.12 Forming procedures

7.13 Heat treatment after forming

7.14 Sampling of formed products

7.15 Tests

7.15.1 Base material

7.15.2 Buttwelds

7.16 Post weld heat treatment (PWHT)

8 Inspection and testing

8.1 General

8.2 Non-destructive testing of welded joints

8.2.1 General

8.2.2 Demonstration of satisfactory experience for testing group 2

8.2.3 Symbols

8.3 Determination of extent of non destructive testing

8.4 Applicable non-destructive testing techniques

8.4.1 NDT methods

8.4.2 Acceptance criteria for radiographic testing (RT)

8.4.3 Acceptance criteria for visual and surface penetrant testing

8.4.4 Acceptance criteria for penetrant testing (PT)

8.5 Selection of non-destructive testing methods for internal imperfections

8.6 Standard hydrostatic test

8.7 Pneumatic testing

9 Inspection and testing of serially produced pressure vessels — Model approval

9.1 General

9.2 Inspection and testing of pressure vessels subject to cyclic loads

Annex A (normative) Allowable design strength values

A.1 General

A.2 Extruded rod/bar, tube and profile

A.3 Cold drawn rod/bar and tube

A.4 Forgings

Annex Y (informative) History of EN 13445-8

Y.1 Differences between EN 13445-8:2014 and EN 13445-8:2021

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

Bibliography