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Copper source? - Page 2

post #11 of 15
Try a magnet. If it's steel the magnet will stick.
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post #12 of 15
Quote:
Originally Posted by x2s3w4 View Post
Try a magnet. If it's steel the magnet will stick.
Very true. Copper is not magnetic, but steel or iron is.
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post #13 of 15
I just did a quick search and it looks as though grounding rods are copper plating(cladding) over steel
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post #14 of 15
Yes it is a copper over steal, you could never drive a copper bar that length / diameter into many places in Oklahoma

However if you are looking for bulk copper, go to the guys who buy it at the scrap yard. They usually don't care who they sell it to and you should be able to get as much as you want for about $4.00 US.
Copper can be melted down using a propane torch but you need a heat box to do it and I have read that when cooling it sometimes develops cracks if you don't add charcoal or some such crap to it... Something to study out before you spend a lot of money on it. I would use a cutting torch instead due to the complexity of the heat-box / crucible needed for propane.
post #15 of 15
Quote:
Originally Posted by Skulldragger View Post
Yes it is a copper over steal, you could never drive a copper bar that length / diameter into many places in Oklahoma

However if you are looking for bulk copper, go to the guys who buy it at the scrap yard. They usually don't care who they sell it to and you should be able to get as much as you want for about $4.00 US.
Copper can be melted down using a propane torch but you need a heat box to do it and I have read that when cooling it sometimes develops cracks if you don't add charcoal or some such crap to it... Something to study out before you spend a lot of money on it. I would use a cutting torch instead due to the complexity of the heat-box / crucible needed for propane.
How about purity issues? Would any gases dissolve in copper during smelting or cooling?
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