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What is square groove? 1

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tmgczb

Structural
May 12, 2021
142
CN
Does square groove mean no groove?It is said that the maximum thickness of plate applicable to square groove is 10mm.
Kindly please experts here advise.
 
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"Everyone is entitled to their own opinions, but they are not entitled to their own facts."
 
tmgczb said:
It is said that the maximum thickness of plate applicable to square groove is 10mm.
I'm assuming this is a reference to a prequalified weld per AWS D1.1
Prequalified_Square_Groove_Metric_pdeaoh.jpg
 
tmgczb said:
It is said that the maximum thickness of plate applicable to square groove is 10mm.
I suppose there are also some other factors that matter, like welding process and material...
For manual processes, 10 mm is a big stretch. For lab and special applications, 50 - 100 mm has been done.
 
A square groove is defined as the edge prep on a Butt joint. Basically, square corners with no angles. Process and Group have a lot to do with the max thickness. For example, I would not want to weld a square groove butt joint in Inconel in the GTAW process at 10 mm thick.
 
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