A square groove weld symbol is assumed to have a root opening if there is a value shown within it.

Question

Quizplus · Accepted Answer

A square groove weld symbol with a value shown within it is assumed to have a root opening. The value indicates the dimension of the root opening. If no value is shown, the welder must assume that the root opening is to be determined by the fabricator or should be specified in the welding procedure specification.

A Square Groove Weld Symbol Is Assumed to Have a Root