ASTM-B930 › Complete Document History
Standard Test Method for Rating Grain Size and Frequency of Abnormally Large Grains in Cemented Tungsten Carbides (Hardmetals)

Complete Current Edition:
   2003 R21 EDITION - REAPPROVED IN 2021 - Sept. 1, 2021

Obsolete Revision Information:
   2003 R17 EDITION - REAPPROVED IN 2017 - April 1, 2017
   2003 R12 EDITION - REAPPROVED IN 2012 - Nov. 15, 2012
   2003 R08 EDITION - REAPPROVED IN 2008 - June 1, 2008
   2003 EDITION - Rating Grain Size and Frequency of Abnormally Large Grains i - Oct. 1, 2003