"Pipe welding Root pass"

Question:

"What effect will lack of penitration of the root pass have on a 14" sch40 pipe. Welder used 6011 rod for each pass (3 passes total). Root pass does have some penitration but does not meet ASME B31.9"

Answer:

The effects of lack of penetration (lop) at the root of a pipe butt weld may be (1) none, (2) localized corrosion, (3) lack of needed strength, or, (4) fatigue cracking, depending on the service.

 

 << return to the previous page ::

 

Contact Us

If you have questions or need our depth of experience to help with your issues...

Call us: 281-556-8774

Email us: info@hghouston.com

News

The safe operation of oil refineries in the United States is under constant r...read more
When: January 30, 2017 - February 2, 2017 Where: Galveston Island Conventi...read more

View all articles

Stay Current

Sign up for our quarterly newsletter

covering updates on corrosion