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Overheard a welder say he never preheats cast iron and just uses nickel rod cold
Tried it on a cracked tractor manifold last week and it held up fine, but has anyone else seen this actually work long term or am I just lucky?
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troy_scott1mo ago
Bet on it cracking again down the road.
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uma_nguyen241mo ago
Ha! @troy_scott is just jealous, I've seen cold nickel rod hold on manifolds for YEARS without issue.
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