API-1104 Complete Document History
Standard for Welding of Pipelines and Related Facilities

Complete Current Edition:
   22ND EDITION - Standard for Welding of Pipelines and Related Facilities - July 1, 2021

Obsolete Revision Information:
   21ST EDITION ADDENDUM 2 - ADDENDUM 2 FOR 21ST EDITION - May 1, 2016
   21ST EDITION ERRATA 4 - ERRATA 4 FOR 21ST EDITION - Nov. 1, 2015
   21ST EDITION ERRATA 3 - ERRATA 3 FOR 21ST EDITION - July 1, 2014
   21ST EDITION ERRATA 2 - ERRATA 2 FOR 21ST EDITION - June 1, 2014
   21ST EDITION ERRATA 1 - ERRATA 1 FOR 21ST EDITION - April 1, 2014
   21ST EDITION - Standard for Welding of Pipelines and Related Facilities - Sept. 1, 2013
   20TH EDITION ERRATA 1 - ERRATA 1 FOR 20TH EDITION - Dec. 1, 2008
   20TH EDITION ERRATA 2 - ERRATA 2 FOR 20TH EDITION - July 1, 2007
   20TH EDITION - REAFFIRMED IN 2010 - Nov. 1, 2005
   19TH EDITION ERRATA 1 - ERRATA FOR 19TH EDITION - Oct. 1, 2001
   19TH EDITION - Welding of Pipelines and Related Facilities - Sept. 1, 1999
   18TH EDITION - OBSOLETE EDITION BY REQUEST - May 1, 1994
   1992 EDITION - OBSOLETE EDITION BY REQUEST - April 29, 1992
   17TH EDITION - OBSOLETE EDITION BY REQUEST - Sept. 1, 1988
   1983 EDITION - OBSOLETE EDITION BY REQUEST - May 1, 1983