527
I dislike the King
(lemmy.world)
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For more info on the lead cup: https://www.snopes.com/fact-check/stanley-cup-lead/
Why would they use lead based solder? Oh right, it's cheaper.
Cheaper, easier to work with, melts at lower temps, flows better, take your pick.
That being said, why they aren’t spot welded is a mystery. I suppose solder is a better connection, but still. Why take the chance?
Looking at the lead from this link someone posted below - that isn't something you can spot weld. Generally I'd say soldering can create air/liquid tight seals, spot welding can't.