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DaKnightFall
Penny Sorter Member
USA
32 Posts |
 Posted - 10/27/2009 : 00:00:05
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If you knew the gauge, and length of an insulated copper wire, could you tell the weight of it? Am i missing variables here? For example, lets say someone on CraigsList has a 500ft roll of 18gauge wire for sell for $12.00, but they had no idea what the weight was. Then i were to buy it, strip it, and scrap it, how much would i make? would i loose money? etc..
Knowing a math formula to figure out / calculate the copper weight based on gauge and length of wire would be awesome...
Any thoughts?
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HoardCopperByTheTon
Administrator
USA
5240 Posts |
Posted - 10/27/2009 : 00:49:11
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You could take a small sample of each gauge.. say a foot.. and weigh it. Then just set up a simple spreadsheet where you select guage and length to get actual copper weight. You could even put in your local scapyard's price in a cell so you know exactly what your yield would be.  |
If your percentages are low.. just sort more. If your percentages are high.. just sort more.
Let me see if I understand this? If you cross the North Korean border illegally, you get 12 years hard labor; the Iranian border illegally you are detained indefinitely. If you cross the US border illegally, you get a driver’s license, a social security card, welfare, food stamps, free health care!
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DaKnightFall
Penny Sorter Member
USA
32 Posts |
Posted - 10/27/2009 : 00:53:10
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| I thought about that, but the only wire i have is wire i found on the streets lol, - and they are all basically around the same gauge.. which means i would have to go out and buy a foot of each gauge to make the table (unless the coatings on the wire increase by the same multiple). |
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silversaddle1
Penny Sorter Member
USA
29 Posts |
Posted - 10/27/2009 : 04:53:54
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Here you go guys.
This table is for bare copper wire, no insulation. The last colum is feet per pound.
Enjoy!
AWG Diam. (mils) Circular mils Ohms/1000ft Current Carrying Fusing Current Feet per Pound
0000 460 212000 0.050 - - 1.56
000 410 168000 0.063 - - 1.96
00 365 133000 0.077 - - 2.4826
0 324.85 105531 0.096 - - 3.1305
1 289.3 83694 0.1264 119.6 - 3.947
2 257.6 66358 0.1593 94.8 - 4.977
3 229.4 52624 0.2009 75.2 - 6.276
4 204.3 41738 0.2533 59.6 - 7.914
5 181.9 33088 0.3915 47.3 - 9.980
6 162 26244 0.4028 37.5 668 12.58
7 144.3 20822 0.5080 29.7 561 15.87
8 128.5 16512 0.6405 23.6 472 20.01
9 114.4 13087 0.8077 18.7 396 25.23
10 101.9 10384 1.018 14.8 333 31.82
11 90.7 8226 1.284 11.8 280 40.12
12 80.8 6529 1.619 9.33 235 50.59
13 72.0 5184 2.042 7.40 197 63.80
14 64.1 4109 2.575 5.87 166 80.44
15 57.1 3260 3.247 4.65 140 101.4
16 50.8 2581 4.094 3.69 117 127.9
17 45.3 2052 5.163 2.93 98.4 161.3
18 40.3 1624 6.510 2.32 82.9 203.4
19 35.9 1289 8.210 1.84 69.7 256.5
20 32.0 1024 10.35 1.46 58.4 323.4
21 28.5 812 13.05 1.16 - 407.8
22 25.3 640 16.46 .918 41.2 514.12
23 22.6 511 20.76 .728 - 648.4
24 20.1 404 26.17 .577 29.2 817.7
25 17.9 320 33.0 .458 - 1031
26 15.9 253 41.62 .363 20.5 1300
27 14.2 202 52.48 .288 - 1639
28 12.6 159 66.17 .228 14.4 2067
29 11.3 128 83.44 .181 - 2607
30 10.0 100 105.2 .144 10.2 3287
31 8.9 79 132.7 .114 - 4145
32 8.0 64 167.3 .090 - 5227
33 7.1 50.125 211.0 .072 - 6591
34 6.3 39.75 266.0 .057 5.12 8310
35 5.6 31.5 335 .045 4.28 10480
36 5.0 25.0 423 .036 3.62 13210
37 4.45 19.83 533 .028 - 16660
38 3.97 15.7 673 .022 2.5 21010
39 3.5 12.47 848 .018 - 26500
40 3.14 9.89 1070 .014 1.77 33410
41 2.8 7.842 - - 1.52 -
42 2.494 6.219 - - 1.28 -
43 2.221 4.932 - - 1.060 -
44 1.978 3.911 - - 0.916 -
45 1.761 3.102 - - - -
46 1.568 2.460 - - - -
47 1.397 1.951 - - - -
48 1.244 1.547 - - - -
49 1.107 1.227 - - - -
50 0.986 0.973 - - - - |
Edited by - silversaddle1 on 10/27/2009 04:54:50 |
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ADVANCED QUESTION - Copper (math?)
