ДСТУ EN 14587-3:2022 Железные дороги. Колея. Сварка рельсов встык. Часть 3. Сварка вместе с конструкцией переездов (EN 14587-3:2012, IDT)



ДСТУ EN 14587-3:2022
(EN 14587-3:2012, IDT)

Залізниці. Колія. Зварювання рейок встик.
Частина 3. Зварювання разом із конструкцією переїздів

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

4 Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Information to be supplied for approval of procedure

4.1 By the purchaser

4.2 By the manufacturer

5 Approval of the manufacturer

5.1 General

5.2 Welding procedure

5.3 Operators

5.4 Supervision

5.5 Weld Inspection

5.6 Equipment

5.7 Quality assurance

6 Requirements for the welding process

6.1 General

6.2 Workpiece preparation

6.3 Clamping force

6.4 Initial burn-off

6.5 Preheating

6.6 Final flashing

6.7 Upsetting

6.8 Post-weld treatment

6.9 Welding parameters

6.10 Removal of upset and correction of weld alignment

7 Profile finishing of the weld

8 Weld geometry and dimensions

8.1 General

8.2 Alignment and flatness across the weld

8.3 Foot dimensions

9 Weld identification

10 Procedure approval

10.1 General

10.2 Test weld specimen preparation

10.3 Number of specimens

10.4 Approval tests

10.5 Test result report

10.6 Validity of approval

11 Approval of other rail profiles or grades

11.1 General

11.2 Sample preparation

11.3 Approval tests

11.4 Test result report

12 Track trials

12.1 General

12.2 Track trial test result report

13 Weld production following procedure approval

13.1 Weld production

13.2 Weld parameter monitoring

13.3 Visual inspections

13.4 Weld geometry and dimensions

13.5 Liquid penetrant testing and magnetic particle testing

13.6 Internal soundness

13.7 Bend Testing

Annex A (informative) Example of Flat spot and Bright spot

Annex B (normative) Bend test requirements

Annex C (normative) Test weld fracture faces – Recording of defects

Annex D (normative) Fatigue test method for flash butt welds

Annex E (normative) Macro-examination and micro-examination

Annex F (normative) Hardness testing

Annex G (normative) Ultrasonic testing non-austenitic materials

Bibliography