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This is the joint I am looking at for additional strengthening with some type of outer sleeve (or maybe a really, really strong plaster cast. ;) ) It's the one connecting the bottom and middle sections of 10' long, 2" nominal schedule 40 pipe. The bolts in the picture hold a two foot length of 1.5" nominal schedule 40 pipe inside as a strengthening sleeve. The gap between the OD of the 1.5" nominal and ID of the 2" nominal was taken up by multiple beads welded around the circumference of the sleeve.


I'm reluctant to weld anything to this galvanized pipe after being told how dangerous the fumes can be.


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