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Copper source?

post #1 of 15
Thread Starter 
At work(Lowes) we sell a copper grounding rod thats about 8 feet long and 5/8" in diameter.
Is this a good source of copper?
I'm sure it's not pure because it would bend when you hammer it in with a sledge.
How big of a block could you make with the copper provided from said grounding rod?
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post #2 of 15
Quote:
Originally Posted by Special_K View Post
At work(Lowes) we sell a copper grounding rod thats about 8 feet long and 5/8" in diameter.
Is this a good source of copper?
I'm sure it's not pure because it would bend when you hammer it in with a sledge.
How big of a block could you make with the copper provided from said grounding rod?
Volume of a cylinder: pi*r^2*h = 3.14*(5/8/2)^2*8*12= 29.41in^2

Volume of a box: w*h*l

So you can make block of 3x3x3.2in. However, is the copper at least 99% pure? Also, you can't just hammer a rod into a block. You need to melt and that takes a lot of heat.
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post #3 of 15
Thread Starter 
Duckie, I know you need to melt it. I was just thinking that pure copper would bend by hitting an 8 foot rod into the ground. I could take it to my high school and the teacher could melt it down to a brick. That amount of pure copper would be like 500 dollars and its only 16 bucks.
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post #4 of 15
Quote:
Originally Posted by DuckieHo View Post
Volume of a cylinder: pi*r^2*h = 3.14*(5/8/2)^2*8*12= 29.41in^2

Volume of a box: w*h*l

So you can make block of 3x3x3.2in. However, is the copper at least 99% pure? Also, you can't just hammer a rod into a block. You need to melt and that takes a lot of heat.
I think he meant that when you hammer it, copper should bend...and since it doesn't he thinks it's not pure.
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post #5 of 15
Thread Starter 
Sideburns gets what I mean. If you get out the impurities, how much pure copper do you think it is?
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post #6 of 15
depends on what the rod is made out of

could be copper plated ( dont know why it would just be copper plated though :| )

get it melted down, hopefully depending on the heat , the impurities will rise to the top or sink to the bottom and they you can get what you need
    
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post #7 of 15
Thread Starter 
I tried carving off a bit with my razer blade and it still was copper underneath. I think it is just copper plated.
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post #8 of 15
When melting copper, do you have to worry about it absorbing gases from the air? If the rod is only $16, then it definitely can't be pure copper. Something like that usually costs $30+. If it is that cheap, people could buy a bunch and just sell it at the scrap yard. That's around 9.5lbs of copper and it cost $3.3452per pound.

http://www.onlinemetals.com/merchant...owunits=inches
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post #9 of 15
It's probably one of these:

"DESCRIPTION High Carbon Steel with an electrolytically applied copper finish in 1/2", 5/8", 3/4" and 1" diameters in varying lengths. Accessory package is of a high quality bronze alloy to provide both ground rod and accessory excellent electrode quality. Available in single type and sectional ground rod style."

http://www.nehringwire.com/html/p18.htm

Got a hacksaw?
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post #10 of 15
Thread Starter 
"Got a hacksaw?" You think we got hacksaws at a hardware store?!?! BWHAHAHAHA Those are like uber rare. Thanks for the info, I can try later on to carve off a hair.
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