ДСТУ EN 12513:2022 Литво. Стійкі до стирання чавуни (EN 12513:2011, IDT)



ДСТУ EN 12513:2022
(EN 12513:2011, IDT)

Литво. Стійкі до стирання 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

6.1 General

6.2 Heat treatment

7 Requirements

7.1 Chemical composition

7.2 Brinell hardness

7.3 Microstructure

8 Sampling

8.1 Frequency of sampling for chemical analysis

8.2 Number and frequency of Brinell hardness tests

9 Test methods

9.1 Chemical analysis

9.2 Hardness test

9.3 Microstructure 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

Annex A (informative) Heat treatment of abrasion resistant cast irons

Annex B (informative) Conversion between Brinell, Vickers and Rockwell C hardness

Annex C (informative) Relationship between relevant wall thickness and chemical composition for nickel-chromium cast irons

Annex D (informative) Typical microstructures of abrasion resistant cast irons

Annex E (informative) Comparison of abrasion resistant cast iron material designations according to EN 1560 and ISO/TR 15931

Annex F (informative) Significant technical changes between this European Standard and its previous edition

Bibliography