ДСТУ EN 1561:2022 Литво. Сірі чавуни (EN 1561:2011, IDT)



ДСТУ EN 1561:2022
(EN 1561:2011, IDT)

Литво. Сірі чавуни

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

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Designation

5 Order information

6 Manufacture

7 Requirements

7.1 Characterizing properties

7.2 Tensile properties

7.3 Hardness properties

7.4 Graphite structure

8 Sampling

8.1 General

8.2 Samples for tensile test

8.3 Samples for hardness test

9 Test methods

9.1 Tensile test

9.2 Brinell hardness test

9.3 Graphite structure

9.4 Alternative test procedures

10 Retests

10.1 Need for retests

10.2 Test validity

10.3 Nonconforming test results

10.4 Heat treatment of samples and castings

11 Inspection documentation

Annex A (informative) Additional information on mechanical and physical properties

Annex B (informative) Comparison of grey cast iron material designations according to EN 1560 and ISO/TR 15931 [13]

Annex C (informative) Additional information on the relationship between hardness and tensile strength

Annex D (informative) Guidance values for tensile strength for test pieces machined from samples cut from a casting

Annex E (informative) Additional information on the relationship between tensile strength, hardness and wall thickness of grey iron castings

Annex F (informative) Wedge penetration test

Annex G (informative) Significant technical changes between this European standard and the previous edition

Bibliography