Standards and Technical Documents from ASME

Buttwelding Ends -- B16.25 - 2017

 
 
Buttwelding Ends -- B16.25 - 2017 -- View Larger Image
Buttwelding Ends -- B16.25 - 2017-Image

This Standard covers the preparation of buttwelding ends of piping components to be joined into a piping system by welding. It includes requirements for welding bevels, for external and internal shaping of heavy-wall components, and for preparation of internal ends (including dimensions and tolerances). Coverage includes preparation for joints with the following: no backing rings; split or noncontinuous backing rings; solid or continuous backing rings; consumable insert rings; gas tungsten arc welding (GTAW) of the root pass.

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