Originally Posted by klhansen
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).

That IS an interesting factoid!


1949 Chevrolet 3/4 Ton - Still Solid. Regular Driver
OT Vehicles:
1925 Hudson Brougham Super Six
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1973 F250 4x4 Highboy
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