ASTM-B494 Complete Document History
Standard Specification for Primary Zirconium

Complete Current Edition:
   2008 R20 EDITION - REAPPROVED IN 2020 - April 17, 2020

Obsolete Revision Information:
   2008 R14 EDITION - REAFFIRMED IN 2014 - May 15, 2014
   2008 EDITION - Standard Specification for Primary Zirconium - April 1, 2008
   2003 EDITION - Standard Specification for Primary Zirconium - May 10, 2003
   2001 EDITION - Standard Specification for Primary Zirconium - Nov. 10, 2001
   1998 EDITION - Standard Specification for Primary Zirconium - Dec. 10, 1998
   1993 EDITION - Standard Specification for Primary Zirconium - June 15, 1993
   1979 EDITION - Standard Specification for Primary Zirconium - Feb. 23, 1979