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-   -   Melting is allowed: Coins Magazine (http://goldismoney.info/forums/showthread.php?t=67768)

Ardent Listener 09-27-2006 09:03 PM
Melting is allowed: Coins Magazine
 
<TABLE cellSpacing=1 cellPadding=4 width="100%" border=0><TBODY><TR><TD vAlign=top noWrap width=100 bgColor=mintcream>

</TD><TD vAlign=top width="100%" bgColor=mintcream colSpan=2 height="100%"><TABLE height="100%" cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR><TD vAlign=top></TD></TR><TR><TD vAlign=top height="100%">Originally posted by pencilvanian on the penny forum.

Quote, form Coins Magazine October 2006

Numismatic Mysteries By Alan Herbert
MELTING IS ALLOWED

�Melting copper-alloy coins for their copper content is a very hot topic today because copper has reached an historic high-well over $3 a pound this brings to mind a rather unusual use for coin metal. Several bells of note have been made with copper from melted coins. �

� One of the classic cases and perhaps the most mysterious is the Liberty Bell made from melted cents for the World�s Columbian Exposition in 1893.�

�According to sketchy information available, patriotic children across the country contributed 250,000 cents that were melted down and cast into a replica of the Liberty Bell by the Daughters of the American Revolution.�

"Tons and tons of coins, ranging from the lowly copper-alloy cent to gold $20s have been turned into jewelry."
� The Secret Service tried to stop the manufacture of coin jewelry, which became popular during the Columbian Exposition in 1893, aiming a law especially at Native Americans who were profiting by melting silver coins-especially silver dollars-to make their jewelry.�

�The law pinched others and WAS RECINDED in 1909, a fact almost no one is aware of. It�s legal to do anything you want with a coin, other than altering the date or mintmark.�</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>

Ragnarok 09-27-2006 10:35 PM
Re: Melting is allowed: Coins Magazine
 
Even if melting is not allowed, you'd have to be caught in the act - once melted, it's no longer provable that it was a coin unless there were witnesses. One could argue that it could have been anything. And if you melt different coins together to alter the alloy a bit, so much the better.

TomD 09-30-2006 08:43 AM
Re: Melting is allowed: Coins Magazine
 
The concept of a bureauocracy with secret police running around saving the nation from the horrors of melted coins is so absurd that you can almost believe it of the government.

Tn...Andy 09-30-2006 09:48 AM
Re: Melting is allowed: Coins Magazine
 
Whewwww....those pennies I laid on the railroad track as a kid that would smush out to about a 3" thinnnnnnnn circle....I guess I can at LEAST take THAT off my list of 'crimes against humanity'.....

Though the railroad bulls are probably still looking for me.......ahahahahaaaaaaaaaaa

SilverNuts@Bolts 09-30-2006 10:18 AM
Re: Melting is allowed: Coins Magazine
 
Quote:
Originally Posted by Tn...Andy (Post 373809)
Whewwww....those pennies I laid on the railroad track as a kid that would smush out to about a 3" thinnnnnnnn circle....I guess I can at LEAST take THAT off my list of 'crimes against humanity'.....

Though the railroad bulls are probably still looking for me.......ahahahahaaaaaaaaaaa
Time now, to put silver coins, on the railroad tracks. If you can find a chou-chou,,,:beer:

The WB 10-03-2006 03:21 PM
Re: Melting is allowed: Coins Magazine
 
Just don't do it with English One Pence pieces! A No-No.

aikitrader 10-03-2006 03:29 PM
Re: Melting is allowed: Coins Magazine
 
Quote:
Originally Posted by The WB (Post 376782)
Just don't do it with English One Pence pieces! A No-No.
At least not Queen side up.:albertein

Worldmariner 10-04-2006 07:46 AM
Re: Melting is allowed: Coins Magazine
 
Quote:
Originally Posted by Ragnarok (Post 371236)
Even if melting is not allowed, you'd have to be caught in the act - once melted, it's no longer provable that it was a coin unless there were witnesses. One could argue that it could have been anything. And if you melt different coins together to alter the alloy a bit, so much the better.
Ok... stupid question from me... I have been looking everywhere, including the encyclopedia... But I cannot seem to find the melting point of Au, Ag, and lead. ANyone have those temps by chance? Can a bullet lead electric melter be used to melt these different metals? Thanks!

Ardent Listener 10-04-2006 08:04 AM
Re: Melting is allowed: Coins Magazine
 
Quote:
Originally Posted by Worldmariner (Post 377405)
Ok... stupid question from me... I have been looking everywhere, including the encyclopedia... But I cannot seem to find the melting point of Au, Ag, and lead. ANyone have those temps by chance? Can a bullet lead electric melter be used to melt these different metals? Thanks!
<TABLE cellSpacing=0 cellPadding=2 align=center border=0><TBODY><TR><TD>> kitco ></TD><TD>jewelry ></TD><TD>melting points </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width="80%" align=center border=0><TBODY><TR><TD>The specific gravity of a metal or alloy is merely the weight in grams of one cubic centimeter. When it is more convenient to work in troy weights, the number of ounces per cubic inch of any metal or alloy may be found by multiplying its specific gravity by the constant 0.52686.
</TD></TR></TBODY></TABLE>
<TABLE cellSpacing=0 cellPadding=0 width=450 align=center border=0><TBODY><TR><TD><TABLE cellSpacing=0 cellPadding=0 width="100%" bgColor=#663366 border=0><TBODY><TR><TD align=left>http://www.kitco.com/images/left_corner.gif</TD><TD noWrap align=middle>Melting Point and Weights of Various Metals and Alloys</TD><TD align=right>http://www.kitco.com/images/right_corner.gif</TD></TR></TBODY></TABLE></TD></TR><TR><TD><TABLE cellSpacing=0 cellPadding=1 width="100%" bgColor=#663366 border=0><TBODY><TR><TD><TABLE cellSpacing=0 cellPadding=2 width="100%" align=center border=0><TBODY><TR bgColor=#cccc99><TD align=middle width=108>Metal</TD><TD align=middle width=47>Symbol</TD><TD align=middle width=52>Melting Point �F</TD><TD align=middle width=48>Melting Point �C</TD><TD align=middle width=74>Specific Gravity</TD><TD align=middle width=98>Weight in Troy Ozs/Cu In</TD></TR><TR bgColor=#cecfce><TD align=middle width=108>Aluminum</TD><TD align=middle width=47>Al</TD><TD align=middle width=52>1220</TD><TD align=middle width=48>660</TD><TD align=middle width=74>2.70</TD><TD align=middle width=98>1.423</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Antimony</TD><TD align=middle width=47>Sb</TD><TD align=middle width=52>1167</TD><TD align=middle width=48>630</TD><TD align=middle width=74>6.62</TD><TD align=middle width=98>3.448</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Beryllium</TD><TD align=middle width=47>Be</TD><TD align=middle width=52>2340</TD><TD align=middle width=48>1280</TD><TD align=middle width=74>1.82</TD><TD align=middle width=98>0.959</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Bismuth</TD><TD align=middle width=47>Bi</TD><TD align=middle width=52>520</TD><TD align=middle width=48>271</TD><TD align=middle width=74>9.80</TD><TD align=middle width=98>5.163</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Cadmium</TD><TD align=middle width=47>Cd</TD><TD align=middle width=52>610</TD><TD align=middle width=48>321</TD><TD align=middle width=74>8.65</TD><TD align=middle width=98>4.557</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Carbon</TD><TD align=middle width=47>C</TD><TD align=middle width=52>-</TD><TD align=middle width=48>-</TD><TD align=middle width=74>2.22</TD><TD align=middle width=98>1.170</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Chromium</TD><TD align=middle width=47>Cr</TD><TD align=middle width=52>3430</TD><TD align=middle width=48>1890</TD><TD align=middle width=74>7.19</TD><TD align=middle width=98>3.788</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Cobalt</TD><TD align=middle width=47>Co</TD><TD align=middle width=52>2723</TD><TD align=middle width=48>1495</TD><TD align=middle width=74>8.90</TD><TD align=middle width=98>8.900</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Copper</TD><TD align=middle width=47>Cu</TD><TD align=middle width=52>1981</TD><TD align=middle width=48>1083</TD><TD align=middle width=74>8.96</TD><TD align=middle width=98>4.719</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Gold, 24K Pure</TD><TD align=middle width=47>Au</TD><TD align=middle width=52>1945</TD><TD align=middle width=48>1063</TD><TD align=middle width=74>19.32</TD><TD align=middle width=98>10.180</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Iridium</TD><TD align=middle width=47>Ir</TD><TD align=middle width=52>4449</TD><TD align=middle width=48>2454</TD><TD align=middle width=74>22.50</TD><TD align=middle width=98>11.849</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Iron</TD><TD align=middle width=47>Fe</TD><TD align=middle width=52>2802</TD><TD align=middle width=48>1539</TD><TD align=middle width=74>7.87</TD><TD align=middle width=98>4.145</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Lead</TD><TD align=middle width=47>Pb</TD><TD align=middle width=52>621</TD><TD align=middle width=48>327</TD><TD align=middle width=74>11.34</TD><TD align=middle width=98>5.973</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Magnesium</TD><TD align=middle width=47>Mg</TD><TD align=middle width=52>1202</TD><TD align=middle width=48>650</TD><TD align=middle width=74>1.75</TD><TD align=middle width=98>0.917</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Manganese</TD><TD align=middle width=47>Mn</TD><TD align=middle width=52>2273</TD><TD align=middle width=48>1245</TD><TD align=middle width=74>7.43</TD><TD align=middle width=98>3.914</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Molybdenum</TD><TD align=middle width=47>Mo</TD><TD align=middle width=52>4760</TD><TD align=middle width=48>2625</TD><TD align=middle width=74>10.20</TD><TD align=middle width=98>5.347</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Nickel</TD><TD align=middle width=47>Ni</TD><TD align=middle width=52>2651</TD><TD align=middle width=48>1455</TD><TD align=middle width=74>8.90</TD><TD align=middle width=98>4.691</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Osmium</TD><TD align=middle width=47>Os</TD><TD align=middle width=52>4892</TD><TD align=middle width=48>2700</TD><TD align=middle width=74>22.50</TD><TD align=middle width=98>11.854</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Palladium</TD><TD align=middle width=47>Pd</TD><TD align=middle width=52>2831</TD><TD align=middle width=48>1555</TD><TD align=middle width=74>12.00</TD><TD align=middle width=98>6.322</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Phosphorus</TD><TD align=middle width=47>P</TD><TD align=middle width=52>111</TD><TD align=middle width=48>44</TD><TD align=middle width=74>1.82</TD><TD align=middle width=98>0.959</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Platinum, Pure</TD><TD align=middle width=47>Pt</TD><TD align=middle width=52>3224</TD><TD align=middle width=48>1773</TD><TD align=middle width=74>21.45</TD><TD align=middle width=98>11.301</TD></TR><TR bgColor=#efefde><TD align=middle width=108>15% Irid Plat</TD><TD align=middle width=47>-</TD><TD align=middle width=52>3310</TD><TD align=middle width=48>1821</TD><TD align=middle width=74>21.59</TD><TD align=middle width=98>11.301</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>10% Irid Plat</TD><TD align=middle width=47>-</TD><TD align=middle width=52>3250</TD><TD align=middle width=48>1788</TD><TD align=middle width=74>21.54</TD><TD align=middle width=98>11.349</TD></TR><TR bgColor=#efefde><TD align=middle width=108>5% Irid Plat</TD><TD align=middle width=47>-</TD><TD align=middle width=52>3235</TD><TD align=middle width=48>1779</TD><TD align=middle width=74>21.50</TD><TD align=middle width=98>11.325</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Rhodium</TD><TD align=middle width=47>Rh</TD><TD align=middle width=52>3571</TD><TD align=middle width=48>1966</TD><TD align=middle width=74>12.44</TD><TD align=middle width=98>6.553</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Ruthenium</TD><TD align=middle width=47>Ru</TD><TD align=middle width=52>4500</TD><TD align=middle width=48>2500</TD><TD align=middle width=74>12.20</TD><TD align=middle width=98>6.428</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Silicon</TD><TD align=middle width=47>Si</TD><TD align=middle width=52>2605</TD><TD align=middle width=48>1430</TD><TD align=middle width=74>2.33</TD><TD align=middle width=98>1.247</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Silver, Pure</TD><TD align=middle width=47>Ag</TD><TD align=middle width=52>1761</TD><TD align=middle width=48>961</TD><TD align=middle width=74>10.49</TD><TD align=middle width=98>5.525</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Silver, Sterling</TD><TD align=middle width=47>-</TD><TD align=middle width=52>1640</TD><TD align=middle width=48>893</TD><TD align=middle width=74>10.36</TD><TD align=middle width=98>5.457</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Silver, Coin</TD><TD align=middle width=47>-</TD><TD align=middle width=52>1615</TD><TD align=middle width=48>879</TD><TD align=middle width=74>10.31</TD><TD align=middle width=98>5.430</TD></TR><TR bgColor=#cccccc><TD align=middle width=108>Tin</TD><TD align=middle width=47>Sn</TD><TD align=middle width=52>450</TD><TD align=middle width=48>232</TD><TD align=middle width=74>7.30</TD><TD align=middle width=98>3.846</TD></TR><TR bgColor=#efefde><TD align=middle width=108>Zinc</TD><TD align=middle width=47>Zn</TD><TD align=middle width=52>787</TD><TD align=middle width=48>419</TD><TD align=middle width=74>7.10</TD><TD align=middle width=98>3.7758</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>

Tn...Andy 10-04-2006 08:12 AM
Re: Melting is allowed: Coins Magazine
 
Interesting that pure silver melts almost 100 degrees above sterling, which I understand is about 8% copper, and almost 150 degrees above coin, which in the case of older US coin, contained 10% copper.....when pure copper melts 200 degrees higher than pure silver.

Wonder what would lower the melting point of the two when combined ?

goldsilverpro 10-04-2006 11:35 AM
Re: Melting is allowed: Coins Magazine
 
As you add copper to silver, the melting point is continually reduced until you reach 28.1% copper. At this point, the melting temp is about 1440 F. This percentage combination producing the lowest melting temp is called the eutectic. With further additions of copper, the melting temp starts increasing until, at 100% copper, it reaches 1981 F. Most combinations of 2 metals have a eutectic, although the numbers are different.


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