ASTM-A645 Complete Document History
Standard Specification for Pressure Vessel Plates, 5 % and 51 2 % Nickel Alloy Steels, Specially Heat Treated

Complete Current Edition:
   2010 R22 EDITION - REAFFIRMED IN 2022 - Sept. 30, 2022

Obsolete Revision Information:
   2010 R16 EDITION - REAPPROVED IN 2016 - March 15, 2016
   2010 EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - Oct. 1, 2010
   2005 EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - May 1, 2005
   1999A EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - June 10, 1999
   1999 EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - March 10, 1999
   1997 EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - March 10, 1997
   1987 EDITION - Pressure Vessel Plates, 5% and 51 2% Nickel Alloy Steels, Sp - March 27, 1987