ASTM-A21 Complete Document History
Standard Specification for Carbon Steel Axles, Non-Heat-Treated and Heat-Treated, for Railway Use (Withdrawn 2003)


Obsolete Revision Information:
   WITHDRAWN - NO REPLACEMENT - Jan. 1, 2003
   1994 R99 EDITION - REAPPROVED IN 1999 - Feb. 15, 1994
   1994 EDITION - Carbon Steel Axles, Non-Heat-Treated and Heat-Treated, for R - Feb. 15, 1994
   1985 EDITION - Carbon Steel Axles, Non-Heat-Treated and Heat-Treated, for R - July 26, 1985