ASTM-E454 › Complete Document History
Standard Specification for Industrial Perforated Plate and Screens (Square Opening Series)

Complete Current Edition:
   2012 R21 EDITION - REAPPROVED IN 2021 - Sept. 1, 2021

Obsolete Revision Information:
   2012 R16 EDITION - REAPPROVED IN 2016 - July 1, 2016
   2012 EDITION - Industrial Perforated Plate and Screens (Square Opening Seri - July 1, 2012
   2011 EDITION - Industrial Perforated Plate and Screens (Square Opening Seri - Dec. 31, 2011
   2009 EDITION - Industrial Perforated Plate and Screens (Square Opening Seri - Dec. 1, 2009
   1980 R04 EDITION - REAPPROVED IN 2004 - Oct. 1, 2004
   1980 R96(E1) EDITION - Industrial Perforated Plate and Screens (Square Opening Seri - March 1, 1996
   1980 EDITION - Industrial Perforated Plate and Screens (Square Opening Seri - Oct. 31, 1980