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I Forge Iron

Welding or brazing black iron pipe

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Usually. Most pipe itself is steel even if people refer to it as "iron", Fittings are another matter. Most fittings are steel as well, though I have run across a few that were cast, often imports. I have often mig and arc welded 1/2" to 2" black pipe.



You can braze cast iron as well as steel though. In fact brazing is often the go to method of doing cast repairs. It is possible to gas and arc weld iron, but results are spotty.

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