BS ISO 21988:2006
Current
The latest, up-to-date edition.
Abrasion-resistant cast irons. Classification
Hardcopy , PDF
English
31-01-2007
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 Testing
9.1 Chemical analysis
9.2 Hardness test
9.3 Microstructure sample
10 Retests
10.1 Need for retests
10.2 Test validity
10.3 Nonconforming test results
10.4 Heat treatment of castings
Annex A (informative) Heat treatment
Annex B (informative) Conversion between Brinell, Vickers
and Rockwell C hardness
Annex C (informative) Relationship between casting
thickness and chemical composition for nickel
-chromium cast irons
Annex D (informative) Typical microstructures of
abrasion-resistant cast iron
Annex E (informative) Cross references to other standards
Bibliography
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