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  1. Default Pics of what I want to cut

    So here is some pictres of the kind of stuff that me and my brother want to cut with the new plasma cutter we will soon be getting. If they dont show ill have to figure out what is going on. I read the post on how to post pics but i dont know how to put them in the text. anyhow if they show, it's 2 old crusty semy trailers that have aluminum skins. The scrapyard pays lots more if you bring the stuff in prepped. I think prepped means down to like 42 inche pieces or less.
    Miller Dialarc 250
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  2. #2

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    Well a plasma cutter would be my tool of choice for that job, let us know how it goes. Heck even take some pictures as they come apart, that would be pretty cool to watch.
    Big Willy in Rockford, Il. Power Pro 205, Lincoln 140 Mig, Oxy/Acetylene rig with a Cobra Torch, Full up Motorcycle shop.
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  3. #3

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    Make sure the deck is not wood, could get exciting. I know of guys that chopped them for door and to add them together. Looks like a lot of cutting. Get the Smith on once side and the plasma on the other if you need to go fast, but the plasma will be cheaper to run. You have plenty of power there for the compressor and plasma I hope.
    Mike R.
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  4. #4
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    I'm sure you've pegged those trailers as past their useful life, no longer roadworthy, or whatever, but do they have value as anything else? Construction offices? Storage containers? Beach rentals to college kids?
    DaveO
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  5. #5
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    I have a 45' aluminum skinned shipping container. The entire inside is wood except for the top which is solid aluminum. If they are weather and rodent proof they have much more value as storage than as scrap I bet.

    Thurmond
    Miller Bobcat 3 Phase,
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  6. #6
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    That's what I was thinking. I would never try to talk somebody out of buying a new machine, but cutting those bad boys up for scrap, dealing with all the non-scrap (junk wood, tires), sharp edges, things catching fire, transporting to the scrap yard and paying the junk yard... seems like a long road to walk down.
    DaveO
    Oxweld oxy acet gear
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  7. Default what's the scrap value?

    more than anything this is an excuse to buy the mac-daddy plasma cutter that we've been mulling over. and good fuel for the conversation fire. These trailers have served their purpose as on-site storage for over 2 decades now. we had another one that a guy was paying to leave here and a storm came by and wasted it. I would rather we go about breaking these down in a orderly fashion than dealing with a train wreck. thought of the craigslist thing but theres already a guy that wants to pay us $300.00 each to take them and do the same thing. we figure that if he's willing to do that, there must be double that in scrap value. Anybody out there got any idea just hoew much they're worth in scrap??
    Miller Dialarc 250
    ESAB Migmaster250
    Smith Heavy Duty OXY/ACETYLENE outfit
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  8. #8
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    There's online metal suppliers that have tons of information on their sites. This one, for instance
    http://www.onlinemetals.com/merchant...858&top_cat=60
    ...gives the weight per square foot of various sheet metal types. Using that and measuring your trailers you could get a pretty close estimate of the total weight- you'd have to select the trailer alloy and research it. Then, multiply by the per pound price your scrap yard gives you. Metal prices change daily, kind of like stock market prices. Someone in an earlier post suggested talking to the scrap yard to find out the optimal size and condition to get the highest price.

    You might be able to game the system if you find out what the price is linked to, or if the price is online you could see the daily fluctuations and try to sell on the highs.

    Please post pics of the demolition! I'm sure it will be an adventure. Maybe you could have daily challenges with your brother...
    DaveO
    Oxweld oxy acet gear
    IMIG 200
    PowerTIG 210 EXT... Amazing!

  9. #9

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    My cousins all used to own outfits that put up prefab steel buildings. Before all this really cool cold saw, and plasma cutter tech, we used a plywood blade installed backwards in a circular saw. It would cut metal stock like crazy. Hearing and eye protection where a must, but it worked well.
    Big Willy in Rockford, Il. Power Pro 205, Lincoln 140 Mig, Oxy/Acetylene rig with a Cobra Torch, Full up Motorcycle shop.
    http://projectoldwing.com
    wruehl@hotmail.com
    Active Ironbutt Member.

  10. Default Thats the info i was looking for!

    Thanks Robert, and everyone else for the excellent responses. The detail stuff has helped us to make the decision to go ahead with the project. I'm thinking that the 70 amp unit fits our needs with room to spare.
    Miller Dialarc 250
    ESAB Migmaster250
    Smith Heavy Duty OXY/ACETYLENE outfit
    Arcair gouging set

  11. #11
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    No problem Mike I just know for a fact that it doesn’t take much scrap to make $1,000 when it is selling well and now is not a bad time. I think that your choice of the 70 amp unit is a good choice.

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  12. #12
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    Sad to see them go as scrap. But If I was going to cut them down I would use a gas powered cut off saw. Rough and fast but its going to scrap. Up here it is 3 feet for steel scrap. But that is probably set by the mill they sell to. I would recommend checking with them on how they are going to grade your materials. Tell them what it is, it does make a difference. This would probably be a low level of aluminum. For aluminum they will probably check with a magnet for impurities. Anything sticks and you will be down graded in a hurry. Just my thoughts.
    Attitude Determines Altitude

  13. #13

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    Since the aluminum skins usually have thin ply wood behind(plasma won't work, torch is dangerous), why not use a circular saw with a fine tooth count and carbide tipped blade for the box. Then after removing the decking go after the frame and running gear with either a plasma or the torch. Given the frame is most likely rusty be sure to buy a plasma machine with pilot arc or you will be grinding areas to be able to start your cuts.
    Build it, wheel it, break it, fix it, and repeat!!!!!!!

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  14. Default Hope im at least on the same planet.

    Well at $170.00/ton, I would GUESS that a trailer has to be in the 2-3 ton range. lets just ballpark that at 5000 lb. toss out all that rotted wood inside the trailer (add a bag of weenies and a garden hose and the disposal process becomes a "recreational fire"). toss the tires, and whatever else aint metal, now down to 3500 lb. 1.75 x 170 = $297.50 x3trailers = $892.50. If tyhat math is right and i forgo a case of beer, I think I just figured out how to pay for a new plasma cutter! If I'm not even close, someone say so, so I can conjur up something else.
    Miller Dialarc 250
    ESAB Migmaster250
    Smith Heavy Duty OXY/ACETYLENE outfit
    Arcair gouging set

  15. #15
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    Hey how do you think I just paid for MY plasma cutter ? Scrap metal!
    Next is a Tig Welder. I think I have just about enough scrap (unusable for projects) left to make it thanks to three generations of my family who never threw anything away. Anyone rebuild old tractors and vehicles? I will make you a deal on an old MM 5 Star and a 1940's Dodge grain truck.

    Thurmond
    Miller Bobcat 3 Phase,
    Miller Suitcase X-Treme 12VS wire feeder for the Bobcat with M-25 300A .045" gun / Bernard 400A 5/64" wire mig gun .
    26 series gas cooled TIG torch, setup for quick connect to Bobcat.
    17 series gas cooled Tig Torch for Low Amp Solar Tig (Direct Solar Panel Powered Tig welding)
    Hobart Handler 187 Mig / Fluxcore
    EVERLAST PowerUltra 205P
    EVERLAST PowerTig 250 EXT 2013 Model

  16. #16
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    Quote Originally Posted by Mikeymetal View Post
    Well at $170.00/ton, I would GUESS that a trailer has to be in the 2-3 ton range. lets just ballpark that at 5000 lb. toss out all that rotted wood inside the trailer (add a bag of weenies and a garden hose and the disposal process becomes a "recreational fire"). toss the tires, and whatever else aint metal, now down to 3500 lb. 1.75 x 170 = $297.50 x3trailers = $892.50. If tyhat math is right and i forgo a case of beer, I think I just figured out how to pay for a new plasma cutter! If I'm not even close, someone say so, so I can conjur up something else.
    Well mike if you plan to cut it up and sell it then yes it is flawed math. We strip a lot of things here at the shop and some in the field that just won’t make it to the shop. Over the years I have found that the key to money in scrap is separation. So if I may break down your trailers like I would do it. First off I see 4 maybe 5 types of metal in these trailers; it just depends on how your local scrap yard buys it. I will list my local prices and definitions.

    Short steel. ¼” or thicker but my yard has always included 3/16” as well they do require you to break it down to 36”X18” or smaller. Some yards also call this prepared iron. This also includes cast iron. $225 ton

    Tin. This is all you’re thin steel. $165 ton.

    Extruded aluminum. This is all alum. That is not possible to get from a flat sheet. Think of it as a shape that has to be made and not bent on a brake. Like the old play-dough machines we all played with as a kid. These were extrusion machines. Hope that explanation helps. $0.78 lb

    Clip alum. Some yards get real picky on this classification and some do not. It can include some types of sheet but mostly pieces that are formed into more complex shapes on a brake. Seeing how the pieces are made can tell you a lot about the type alum. you are dealing with. $0.70 lb

    Old sheet alum. Sheet alum. such as old siding or trailer skins. $0.40 lb.

    Hope this helps it is a lot of info to take in I know but if you need help with the breakdown of the trailers just shoot me a PM. And a # and I can call you to talk about it in more detail. This being said I have bought these type trailers for $400 and maid good money on them. There are things that you can leave on some of the metals and some you can’t

    SHOP SETUP
    Esab Migmaster 250
    Everlast PowerPlasma 50
    Miller Dynasty 200 DX TIG
    CNC Express SQ Mill
    CNC Lathe 1236
    Plate Shear 12"
    12" Slip Roll
    4 Ton Notcher
    4 Ton Hand Punch
    52" 18 Gauge Foot Shear
    48" Pan & Box Brake
    Spot Welder
    50" Slip Roll
    English Wheel
    Bead Roller
    Planishing Hammer
    60" Hand Brake
    7" x 12" Bandsaw
    Hand Tools
    Shop (TOO SMALL !!!!! )
    I don't owe anyone a dime, but I get paid to lay them down

  17. #17

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    Try to sell them on craigslist before scraping them out. If your going to scrap them and the plasma won't work cut them up with a saw, but I'm a carpenter and I like saws. If you know someone with a gas powered partner saw I'd borrow that.
    James Swanson

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  18. #18
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    Yikes- given the amount of work y'all are talking about, might be money ahead to >give< them away on Craig's List.

    Why is it dangerous to cut the aluminum with a plywood sheath right underneath? Because the compressed air or sparks / slag have nowhere to go?
    DaveO
    Oxweld oxy acet gear
    IMIG 200
    PowerTIG 210 EXT... Amazing!

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