Welding of Pipelines and Related Facilities presents methods for the production of high-quality welds through the use of qualified welders using approved welding procedures, materials and equipment in a new, clearly understood format. Please note: for the non-English versions of this standard, addenda and errata may not be included.ĪPI Standard 1104, 21st Edition is the industry standard for welding practices. The official version of the standard that accompanies the purchase of the redline, will include the updates (addenda, errata). Please note: The redline edition of this publication is a comparison of the original version of the 21st edition to the 20th edition, it does not incorporate future addenda, errata.
Please note: as a requirement of the API committee that develops this publication, some errata and addendums may not be available as standalone files, they are simply incorporated into the base publication.
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