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PostPosted: Thu Feb 14, 2019 7:41 pm 

Joined: Thu Feb 14, 2019 7:24 pm
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I was wondering if someone could help me identify this. I have 9 like this.


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PostPosted: Fri Feb 15, 2019 1:54 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
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Location: Low DOS
Top. Wire should be removed
If the pins are gold plate you’ll get a custom quote as pin board.
If pins are silver, copper, or nickel you’ll get peripheral rate.


With the ICs in these two will go as telco. Take the ICs out they will go as backplane.

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PostPosted: Fri Feb 15, 2019 4:12 pm 

Joined: Thu Feb 14, 2019 7:24 pm
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Thanks for replying. I should have been more clear. They are all pictures of the same board just different angles/sides.


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PostPosted: Fri Feb 15, 2019 5:33 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
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Ok wow!
They’re starting at telco then. If the pins are gold you could receive more.

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PostPosted: Tue Feb 19, 2019 8:46 pm 

Joined: Tue Jun 19, 2018 4:52 pm
Posts: 89
Los, I have a few similar with the wire coiled around the gold colored pins. The wire, from telephone switching equipment, appears to be white metal rather than copper.


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PostPosted: Wed Feb 20, 2019 2:09 am 
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Joined: Tue Feb 03, 2015 6:57 pm
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It’s probably aluminium. A common choice for telco implementation.
In networking, especially older networking, various nickel alloys are used.
Both can be heat oxidised in the spinning stage which will create a whiteish colouration instead of the shiny silver colour.

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PostPosted: Fri Feb 22, 2019 7:00 am 

Joined: Tue Jun 19, 2018 4:52 pm
Posts: 89
Finally got curious enough to pull a bit of the wire wrap off the board, strip it, and place it on the electric stove element, which at red heat can melt some aluminum. Turns out my wire with the electric blue insulation is very fine copper with white metal coating. Next test is to drop a few pieces in HCl to dissolve copper and see if white metal remains or also dissolves. Just think of the time and effort I could have saved if just sold the twenty pound board last trip. By the way, my board has backplane stamped on the card slotted side opposite the wire wrapped posts/pins, date late 70's


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PostPosted: Fri Feb 22, 2019 3:53 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
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Wow. Sounds like a fun experiment. Do post results. You’ve got me curious.

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-- my grades are my own and do not represent an offer from boardsort, nor are they guaranteed. Please keep that in mind.


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PostPosted: Sat Feb 23, 2019 11:15 am 

Joined: Tue Dec 06, 2016 5:40 pm
Posts: 5
Wire wrap board is telcom, and frankly should be better than posted telcom rate with or without chips.

The wire wrapping wire should not have to be removed, it's usually silver plated copper and recovers well.


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PostPosted: Sat Feb 23, 2019 5:53 pm 
Site Admin

Joined: Tue Feb 03, 2015 6:57 pm
Posts: 5312
Location: Low DOS
For boardsort:
Quote:
if the pins are gold plate you’ll get a custom quote as pin board.
If pins are silver, copper, or nickel you’ll get peripheral rate

And the wire needs to be removed. At least the bulk of it.
Boardsort is a scrap metal dealer, not a refinery. There’s a lot of cleaning left in boards like this prior to the refining process. So when they ultimately sell tons of pin boards to the refiner that company still has to grind, separate, sort, and ultimately then refine by a chosen one of many options for that stage. All of that is part of what boardsort gets paid; and that differential is part of boardsort’s pricing.

Most in the scrap industry as a whole don’t put any premium on silver plated anything. It goes at the rate of the base metal of the plated items. Usually nickel or copper.
It’s why they offer custom quotes on gold plate but not silver plate.

For what it’s worth
Low grade copper breakage (motors) is currently at 8č-12č per pound and high grade breakage is sitting in the low 50č range. So the peripheral rate is well above what most yards would pay for such boards.

I fully understand your point, and agree. Unfortunately that’s not how the industry as a whole works things out.

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-- my grades are my own and do not represent an offer from boardsort, nor are they guaranteed. Please keep that in mind.


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