Interesting factoid: To identify if a stick of lead solder has tin in it, hold it up to your ear and bend it. If it makes noise (called "tin cry") it has tin in it. My dad taught that to me at his plumbing shop when I was a kid.

Tin in lead makes it flow better. A 70/30 lead/tin alloy is typical solder (but no longer legal for soldering water pipes).


Kevin
1951 Chevy 3100 work truck
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Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.