I melted lead and can pass on Info : I see that I am vary good at a fire pit & there is no need to talk about it, but I dare say what I have gained experience from - is worse then lead . But i see melting of lead should only be done out side or with a fan fire hood - any way that is true with any fire. I used a rusty iron kettle (rust is gone from lead now)
It hangs over a open fire, .621 degrees is very easy to have at a fire pit. lead melted easy and then I doused kettle with water - meaning I lowed pot into a five gallon bucket of water , it was cool to touch FAST ,the lead fell out so easy that I can attest lead does not stick to cast iron
I also experimented with the battery lead and can tell you it is a loss & don't bother, as some will melt to a liquid but much to most of it will just burn - so you are just tossing weight to trash as the yards will buy battery plates as lead and battery plates are easy to store away (hoard) the smoke it gives off is not healthy but any smoke from a pit to make money is not healthy
BUT don't wast your time with battery plates .Now if any one can tell me how battery plate lead is stabilized to melt at no loss I would like to know . I feel the acids change the lead in a way that it becomes very brittle OR there is a alloy mix that needs to be purified out causing - instead of melting, a burn to char but some does not . I suspect the smelting of battery lead is handled in ways that i can't duplicate with the same complexity as refiners of gold from computer Mobos . As I have metal hoard issues I feel annoyed of the loss of lead from the experiment but such is the price of learning.
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