Quote:
Originally Posted by Targan
The question I have is can welded rail be adversely affected by extreme cold? Do rails contract in the cold as much as they expand in the heat, and if so, do the welds crack?
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Yes, but not to the extent that they are affected by heat. There's no cold equivalent to the pic you shared.
Welds can crack, yes. That's probably a combination of several factors. I've seen a few broken welds, but thus far breaks have usually been somewhere else.