ДСТУ EN 16079:2022 Литво. Чавуни з ущільненим (вермикулярним) графітом (EN 16079:2011, IDT)



ДСТУ EN 16079:2022
(EN 16079:2011, IDT)

Литво. Чавуни з ущільненим (вермикулярним) графітом

 
   
 
 
     
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 General

7.2 Test pieces machined from cast samples

7.3 Test pieces machined from samples cut from a casting

7.4 Hardness

7.5 Graphite structure

8 Sampling

8.1 General

8.2 Cast samples

8.3 Samples cut from a casting

9 Test methods

9.1 Tensile test

9.2 Hardness test

9.3 Graphite structure examination

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 properties and typical applications of compacted (vermicular) graphite cast irons

Annex B (informative) Comparison of compacted (vermicular) graphite cast iron material designations according to EN 1560 and ISO/TR 15931 [4][5]

Annex C (informative) Wedge penetration test

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

Annex E (informative) Guidance values for Brinell hardness

Annex F (informative) Compacted (vermicular) graphite structure evaluation

Annex G (normative) Sectioning procedure for cast samples

Bibliography