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Strength of Plug Welds

Strength of Plug Welds

Strength of Plug Welds

(OP)
Does anyone know where to find a design guide or a procedure for determining the strengh of plug welds?

RE: Strength of Plug Welds

AWS D1.1 is a good start.

tg

RE: Strength of Plug Welds

CalvinD82;
Plug welds can be treated like fillet welds. If you know the size of the weld, weld metal type you have all of the essential variables necessary to determine the allowable stress per unit length of weld under tension (based on weld metal ultimate tensile strength) and shear (50% of the ultimate tensile strength as and approximation).
 

RE: Strength of Plug Welds

Plug welds are there own unique item. As metengr has stated they can be treated like a fillet weld. But there is a lot to be said for the welding procedure. AWS D1.1 (06) C-5.26.5 describes a technique that is much better than the "swirl the electrode" technique, yet both are seen when working to AWS.

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