JIS-G-0551 Complete Document History
Steels -- Micrographic determination of the apparent grain size

Complete Current Edition:
   2020 EDITION - Micrographic determination of the apparent grain size - Feb. 1, 2021
   FOR 2020 EDITION AMENDMENT 1 SEE - JIS-G-0551-AM1 JAPANESE - March 22, 2022

Obsolete Revision Information:
   2013 EDITION - Steels -- Micrographic determination of the apparent grain size - Jan. 1, 2013
   2005 EDITION - ENGLISH LANGUAGE - PDF FORMAT ONLY - Jan. 1, 2005
   1998 EDITION - METHODS OF AUSTENITE GRAIN SIZ - Jan. 1, 1998