ASTM-A521 Complete Document History
Standard Specification for Steel, Closed-Impression Die Forgings for General Industrial Use (Withdrawn 2018)


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN WITHOUT REPLACEMENT - May 1, 2018
   2006 R16 EDITION - REAPPROVED IN 2016 - April 1, 2016
   2006 R11 EDITION - REAPPROVED IN 2011 - June 10, 2011
   2006 EDITION - Steel, Closed-Impression Die Forgings for General Industrial - Sept. 1, 2006
   2003 EDITION - Steel, Closed-Impression Die Forgings for General Industrial - Sept. 10, 2003
   1996 EDITION - Steel, Closed-Impression Die Forgings for General Industrial - Sept. 10, 1996
   1996 R01 EDITION - REAPPROVED IN 2001 - Sept. 10, 1996
   1976 R92(E1) EDITION - EDITORIALLY CORRECTED - Oct. 1, 1992
   1976 R87(E1) EDITION - EDITORIALLY CORRECTED - March 1, 1990
   1976 R81 EDITION - Steel, Closed-Impression Die Forgings for General Industrial - July 30, 1976