ASTM-B522 Complete Document History
Standard Specification for Gold-Silver-Platinum Electrical Contact Alloy

Complete Current Edition:
   2001 R21 EDITION - REAPPROVED IN 2021 - Nov. 1, 2021

Obsolete Revision Information:
   2001 R17 EDITION - REAPPROVED IN 2017 - April 15, 2017
   2001 R12 EDITION - REAPPROVED IN 2012 - May 15, 2012
   2001 R06 EDITION - REAPPROVED IN 2006 - June 1, 2006
   2001 EDITION - Gold-Silver-Platinum Electrical Contact Alloy - June 10, 2001
   1990 R95(E1) EDITION - EDITORIALLY CORRECTED - June 1, 1995
   1990 EDITION - Gold-Silver-Platinum Electrical Contact Alloy - May 25, 1990
   1980 EDITION - Gold-Silver-Platinum Electrical Contact Alloy - July 3, 1980