We would like to weld a reducer to a weldneck flange with a full penetration weld in a V groove. The reducer is A106 which is included in the AWS D1.1 table of pre-qualified base metals but the weldneck flange is A105 and is NOT in the table of pre-qualified base metals. When I go through all of the pre-qualified base metals, it seems that non of them are pipe fittings (like a standard ANSI bolt pattern weldneck flange). It all seems to be plate, sheet, pipe, or tubing.
What am I missing? How do you weld standard weldneck flanges to pipe using AWS D1.1?
Red Flag Submitted
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The Eng-Tips staff will check this out and take appropriate action.
Reply To This Thread
Posting in the Eng-Tips forums is a member-only feature.
Since the later 1980s, manufacturing companies have seen over 3 percent in labor output year on year, with most of this productivty enhancement occuring because of the optimization of repetitive tasks. Download Now