Welding Root. The weld in the video was done in the flat 1G position but these same techniques will work in all positions with minor adjustments. Name Finish Weld Symbol on Symbol base platform weld.
It is made by the first root pass and supported by other passes. Root passes are not limited to pipe welding as KC mentioned. Rod angle dragging the open root weld in the flat position.
The root penetrates through the back of the plate the cap is on the surface which you are welding which is the face.
It determines the weld penetration and fusion to form a rigid joint. The Welders Career Center. 5 The wire tracking is too close to the groove face SAW Preventive Measures. Above all when you are not sure about the root STOP WELDING at once.