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What Is Root Pass And Hot Pass? [Solved]
The hot pass is the first pass made on a weld joint. It is used to melt the metal at the edges of the joint and to help form a bead. The root pass is used to fill in the space between the two pieces of metal being joined. The capping pass is used to cover the weld joint.
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SMAW root pass,hot pass and capping || MARK NITE
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how to weld 2inch tig welding root pass and hot pass ,,💯#khanbiharguru
how to weld 2inch tig welding
