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SRPS EN ISO 643:2012

Steels - Micrographic determination of the apparent grain size (ISO 643:2003)

Sep 24, 2012
95.99   Withdrawal of Standard   Aug 29, 2014

General information

95.99     Aug 29, 2014

ISS

C164

European Norm

77.040.99  

English  

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Scope

ISO 643 specifies a micrographic method of determining apparent ferritic or austenitic grain size in steels. It describes the methods of revealing grain boundaries and of estimating the mean grain size of specimens with unimodal size distribution.
Although grains are three-dimensional in shape, the metallographic sectioning plane can cut through a grain at any point from a grain corner, to the maximum diameter of the grain, thus producing a range of apparent grain sizes on the two-dimensional plane, even in a sample with a perfectly consistent grain size.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS C.A3.004:1985

NOW

WITHDRAWN
SRPS EN ISO 643:2012
95.99 Withdrawal of Standard
Aug 29, 2014

REVISED BY

WITHDRAWN
SRPS EN ISO 643:2014

WITHDRAWN
SRPS EN ISO 643:2014

Related project

Adopted from EN ISO 643:2003

Adopted from ISO 643:2003 IDENTICAL