ASTM-B721 › Complete Document History
Standard Test Method for Microhardness and Case Depth of Powder Metallurgy (P/M) Parts (Withdrawn 2004)


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN IN 2004 - Jan. 1, 2004
   1991 R99 EDITION - REAPPROVED IN 1999 - Feb. 22, 1991
   1991 EDITION - Microhardness and Case Depth of Powder Metallurgy (P/m) Part - Feb. 22, 1991