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Super Member
For any experienced welders on the forum this is the side of a Quadrafire 5700 wood stove. The other side also has a crack like this in the same location. This is a weld seam on the inside of the stove where they welded the air tube manifold so it is cracked right through. Obviously heat created the crack but my question refers to what can do this on 1/4" steel at a weld joint such as a deep weld or something to that effect? The manifold is made with tube iron with one end capped off and drilled for the lateral secondary burn heat tubes running across the top. The other end is open to an air inlet flap. The next question is what is the proper way to fix this?