ASTM-F1537 Complete Document History
Standard Specification for Wrought Cobalt-28Chromium-6Molybdenum Alloys for Surgical Implants (UNS R31537, UNS R31538, and UNS R31539)

Complete Current Edition:
   2020 EDITION - Alloys for Surgical Implants (UNS R31537, UNS R31538, and UNS R31539) - April 29, 2020

Obsolete Revision Information:
   2011 EDITION - Wrought Cobalt-28Chromium-6Molybdenum Alloys for Surgical Implants (UNS R31537, UNS R31538, and UNS R31539) - Dec. 31, 2011
   2008 EDITION - WROUGHT COBALT-28CHROMIUM-6MOLYBDENUM ALLOYS FOR SURGICAL IM - Oct. 1, 2008
   2007 EDITION - WROUGHT COBALT-28CHROMIUM-6MOLYBDENUM ALLOYS FOR SURGICAL IM - July 1, 2007
   2000 EDITION - WROUGHT COBALT - 28CHROMIUM - 6MOLYBDENUM ALLOYS FOR SURGICA - May 10, 2000
   1994 EDITION - WROUGHT COBALT-28-CHROMIUM-6-M - Aug. 15, 1994