RO
SR ISO 643:1993
Steels micrographic determination of the ferritic or austenitic grain size
The standard refers to the methods of micrographic determination of ferritic or austenitic grain size in steels. It describes Bechet-Beajard, Kohn, Mc Quaid Ehn methods. In the appendix are given methods for evaluation of grain size and namely by counting, comparing to type-images
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Status :
Withdrawn
Approval date : 3/30/1993
Publish date : 9/1/1993
Romanian version publish date : 3/30/1993
Withdrawal date : 10/23/2003
Number of pages : 32
ICS : 77.040.99 Other methods of testing of metals
Technical Committee : 42 - Steels and ferroalloy
- Replaces STAS 5490-80
- Replaced by SR EN ISO 643:2003