This Standard specifies the test method for detecting the macrostructure on the
cross-section of steel by etching with various etching solutions.
NOTE 1 The aim of the test and the interpretation of results may depend on the
particular cases. Details are subjected to the agreement between the
purchaser and the manufacturer.
2 The International Standard corresponding to this Standard is as fol-
lows.
ISO 4969 : 1980 Steel-- Macroscopic examination by etchillg with strong
mineral acids (MOD)
In addition, symbols which denote the degree of correspondence in
the contents between the relevant International Standard and JIS are
IDT (identical), MOD (modified), and NEQ (not equivalent) according
to ISO/IEC Guide 21.