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welding cast iron?


Dave1647545494

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Originally posted by Gas, Grass, or Ass:

but it can be welded I'm trying to save a nice old lady some money the new bracket is 100 bucks

Save the nice old ladies life and buy a new bracket.

You can weld cast, but unless done correctly it might crack.

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bring it out and I can weld it up. Cast can be sticked or TIGed with Stainless filler. Preheating is important but so is grinding it down for good weld penetration. If the pieces are just stuck together and a bead run around the crack it will be VERY weak. Think about it in the terms of surface area, if it's 1 square inch surface area, and you weld it with 1/4 penatration it's only 1/4 to 1/2 as strong as it was to begin with.
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