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26 Posts |
 Posted - 03/12/2008 : 19:56:38
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Today I took apart a junk hard drive. Inside I found a circuit board a few small windings (of no consequence) and three round disc`s. These disc`s are almost 4" across , they are non magnetic , and have a very intense(mirror image) polish. Is there any way to find out if they are silver plated or another metal?
Also there were two very strong magnents. Thanks Rick
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14 Posts |
Posted - 03/13/2008 : 19:35:35
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| Hello, I have been taking them apart for awhile. the casing is cast aluminum. and the plater (disk) is either aluminum or glass. We have made some money on them. |
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12 Posts |
Posted - 03/13/2008 : 21:34:38
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Hard drive
Casing is cast aluminum
platter = rumor is there could be small small amounts of platinum coated on these. some are gold plated as well
circuitboard = save and sell in bulk on ebay
arm - dirty aluminum with tiny bit of copper on end
motor - scrap yard for electric motors
magnet - sell on ebay in bulk and get .50 - 1.00 ea
some have 2 magnets others have no magnet on second piece either way i heard most of these backings are nickle alloy |
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26 Posts |
Posted - 03/17/2008 : 20:47:01
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The hard drive is a seagate.
I thought that the platters may have something good on them. In the plant I used to work at we did a process with stainless steel where it was heated in acid (unknown type) and the process brought the chromium to the surface, but nothing like this.
The backing on the magnets arent magnetic thats for sure .
I definatley wont toss any more of them into the bulk scrap pile....Thanks Rick |
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davycoppit
Penny Pincher Member
USA
126 Posts |
Posted - 03/18/2008 : 18:42:04
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You must be logged in to see this link.
Also I agree with clwp that the mounts for the magnet are very high in nickel(Mu-metal). |
Edited by - davycoppit on 03/18/2008 21:53:12 |
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Posted - 03/19/2008 : 17:02:00
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| Davycoppit....Thank You for the link . Interesting reading ...Rick |
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thebeave
Penny Sorter Member
USA
49 Posts |
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PennehChaos.
Penny Collector Member
USA
269 Posts |
Posted - 03/31/2008 : 13:45:54
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| Interesting. I've never come across a glass platter before, but then I've never junked a notebook drive. I knew the platters had to be something interesting, because they're light, but a lot harder than any Al alloy i've encountered. You have to hit them pretty darned hard to put a chisel through one (multi-pass data wiping is for sissies!) |
Considering Verizon Business service? Perhaps you'd like to consider a nice drain cleaner enema instead? |
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tyoon21
Penny Sorter Member
52 Posts |
Posted - 04/09/2008 : 17:25:26
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Took apart two hard drives today. Took a magnet to it and a couple of the posts inside actually were magnetic. The rest of the case is aluminum for sure.
Can I still sell this as cast aluminum? Or does it go into a different pile?
Thanks all! This is my first post. Great site!
Tom |
Take this job and shove it. I don't want to work here no more... |
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110 Posts |
Posted - 04/09/2008 : 18:02:38
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quote:
Originally posted by tyoon21
Took apart two hard drives today. Took a magnet to it and a couple of the posts inside actually were magnetic. The rest of the case is aluminum for sure.
Can I still sell this as cast aluminum? Or does it go into a different pile?
Thanks all! This is my first post. Great site!
Tom
Hi Tom, I've taken apart alot of hard drives. You can either sell the case as "irony cast aluminum" around 12-20 cents a pound, or you can take out the posts and sell the case as cast aluminum, which should be around 70 cents or so a pound. It's been awhile, but I think I either used pliers to pull them out, or just tapped them out. Seems like to me they go all the way through? Also, if you really wanted to, you could set them on the ground and hit them a few times with a sledge hammer. Be careful of flying debris, etc though if you do it that way.
I also sold some of the platters on ebay, 10 of them I think. Again, it's been awhile, but seems like to me I got around 10 bucks for them. The same thing for the magnets. Someone told me there might be platinum on the platters, so I put that in the auction. I said I had no idea if that were true, but that it could be possible. The guy who bought them had bought a ton of these, and had been doing it for awhile, so who knows what they're made of. Again, I said in the description that I had no idea wheter this is true or not.
I had no idea that the magnet mounts had nickel in them, so I'll definitely look into that next time.
I sold the small motors (round, connected to a circuit board, you can see the windings) and the circuit cards to the recycling center. .10/lb for motors, and .50/lb for circuit cards. Could probably get more on ebay for the cards, but didn't have enough at that time.
Good luck doing this kind of thing, I've been doing this for a couple of years now, and I learn something knew everyday. |
24 Empty Missile Tubes, A Giant Mushroom Cloud....It's Miller Time!!! |
Edited by - n/a on 04/09/2008 18:04:28 |
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tyoon21
Penny Sorter Member
52 Posts |
Posted - 04/09/2008 : 19:20:36
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Thanks USNavySubSailor! Great advice!
For the motors are you talking about the thing that the platters spin on?
I also heard that the magnets contain nickel and sell for a good amount on Ebay. I saw on another website that you can actually get more money from the magnets if you can separate them from the backings.
Platters are an interesting topic. People will buy them for PGM recovery however there are some stipulations. From what I understand the platters have to be from 1997 or newer and/or 20 gig in size or greater. Unfortunetly for me, my hard drives I am scrapping are 4.3 gigs from 1995  Oh well..hopefully I can get the aluminum out of them. |
Take this job and shove it. I don't want to work here no more... |
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110 Posts |
Posted - 04/09/2008 : 20:14:05
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quote:
Originally posted by tyoon21
Thanks USNavySubSailor! Great advice!
For the motors are you talking about the thing that the platters spin on?
I also heard that the magnets contain nickel and sell for a good amount on Ebay. I saw on another website that you can actually get more money from the magnets if you can separate them from the backings.
Platters are an interesting topic. People will buy them for PGM recovery however there are some stipulations. From what I understand the platters have to be from 1997 or newer and/or 20 gig in size or greater. Unfortunetly for me, my hard drives I am scrapping are 4.3 gigs from 1995 Oh well..hopefully I can get the aluminum out of them.
Yeah, those motors. I took them to the recycling center, and thats how they classified them. I've tried taking the copper out, but for such a small amount, it was really a pain in the butt. My daughter actually made a necklace out of one though. The copper was blue, so she thought it was really cool.
Yeah, the platters are a different story. When I get more, I'll do some research and try to figure out what they are. As for the magnet website, do you know which website that is?
BTW, I'm not sure if anyone has mentioned this before, but craigslist, at least in my area, is a good source for free stuff to recycle. |
24 Empty Missile Tubes, A Giant Mushroom Cloud....It's Miller Time!!! |
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tyoon21
Penny Sorter Member
52 Posts |
Posted - 04/10/2008 : 10:38:10
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quote:
Originally posted by USNavySubSailor
quote:
Originally posted by tyoon21
Thanks USNavySubSailor! Great advice!
For the motors are you talking about the thing that the platters spin on?
I also heard that the magnets contain nickel and sell for a good amount on Ebay. I saw on another website that you can actually get more money from the magnets if you can separate them from the backings.
Platters are an interesting topic. People will buy them for PGM recovery however there are some stipulations. From what I understand the platters have to be from 1997 or newer and/or 20 gig in size or greater. Unfortunetly for me, my hard drives I am scrapping are 4.3 gigs from 1995 Oh well..hopefully I can get the aluminum out of them.
Yeah, those motors. I took them to the recycling center, and thats how they classified them. I've tried taking the copper out, but for such a small amount, it was really a pain in the butt. My daughter actually made a necklace out of one though. The copper was blue, so she thought it was really cool.
Yeah, the platters are a different story. When I get more, I'll do some research and try to figure out what they are. As for the magnet website, do you know which website that is?
BTW, I'm not sure if anyone has mentioned this before, but craigslist, at least in my area, is a good source for free stuff to recycle.
Can't remember exactly what the website address was but if you go to google and type in gold refining forum it's the first site that pops up. You have to register and it's under one of the forum topics.
Consensus on that website was that ebay was the best place to sell magnets. One of the posters on there said that he was contacted by a company from Canada to buy the magnets but he had better success on ebay.
Craigslist is awesome for free computer parts. Also, freecycle has been a winner for me.
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Take this job and shove it. I don't want to work here no more... |
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91 Posts |
Posted - 04/10/2008 : 12:12:33
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| Any harddrives that are 10 gig or above you can usually sell for more than scrap value. I have a guy who gives me $3.00 per 10 gig. So for a 20 gig hard drive i would get 6.00. I only sell my unteseted ones for this price. If i know they are good i sell for more. |
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tyoon21
Penny Sorter Member
52 Posts |
Posted - 04/11/2008 : 14:27:37
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quote:
Originally posted by clwp
Any harddrives that are 10 gig or above you can usually sell for more than scrap value. I have a guy who gives me $3.00 per 10 gig. So for a 20 gig hard drive i would get 6.00. I only sell my unteseted ones for this price. If i know they are good i sell for more.
clwp,
is there any way you could PM me the name of your buyer? Do you have to send in working tested units or are the harddrives scrap?
Thanks!
Tom |
Take this job and shove it. I don't want to work here no more... |
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26 Posts |
Posted - 04/13/2008 : 09:05:18
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| I sold some copper wire(they were paying best price ) to a small local junk yard last week. While I was there spotted a large pile of computers. I know this guy doesnt pay for computers, but will take them. I asked what he did with them,as I was thinking that if I could get them cheap maybe stripping them out. He told me that a couple of guys from the area paid him 10.00 each for them. I lost interest :). |
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cpu hard drive ?
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