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  1. #1
    Join Date
    Oct 2013
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    8

    Default Welding black pipe (recently salvaged gas pipe)

    This is a request for information and safety concerns around welding salvaged black pipe from a residential renovation. It was being used to pipe natural gas from the city meter through a basement to various fixtures.

    I have an old but good AIRCO transformer welder with plenty of amps and was thinking 6010, 6011 rods.

    My idea is to cut the gas pipe into 15" lengths and weld them as rungs between 3"x2" angle to form a set of ramps that will get my car up a 16" incline needed to get it inside my shop.

    Any thoughts or suggestions would be most appreciated.

  2. #2
    Join Date
    Nov 2012
    Location
    Northern Arizona
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    454

    Default

    How heavy of a car? Will you be tempted to drive heavier stuff up once the ramps are built? What schedule pipe? And last... what is the thickness if the angle?
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  3. #3
    Join Date
    Jun 2009
    Location
    las vegas
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    226

    Default Welding black pipe (recently salvaged gas pipe)

    Wear a respirator if you decided to use it. I made that mistake a while back
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  4. #4
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,821

    Default

    All the other questions plus how long will the ramps be? The longer they are the stronger they have to be.
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  5. #5
    Join Date
    Oct 2013
    Posts
    8

    Default

    Thanks for responding guys, here's the info.

    1. There's neither room inside, nor temptation to drive a deep ride or a backhoe up the ramps.
    2. Need to work on my 95 Toyota Corolla and 95 2-wheel drive tacoma: both light weight.
    3. Plan for ramps would be approx 7' in length running from ground level to 16" in height to get in the door - will add center support as well as support under the high end.
    4. Have looked at both 3/16 and 1/4" angle with rungs spaced 6" on center.
    5. At least 3/4" black pipe for the rungs.


    May be a dumb question, but asking anyway. Is there any risk of the metal having absorbed and retained any part of the explosive nature of the gas it held?

    Thanks again.

  6. #6
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,821

    Default

    So basically you are building a set of trailer ramps but with a center support. If you already have the angle then use it with the 3" leg vertical. 3/4" pipe, probably sch 40, should work with the cars you mention but it really will not be that strong. If you have the pipe & it's free try it. The worst is it will bend slightly. I don't see it failing completely to cause damage. If I had to buy material I would not use pipe for this.
    MM250
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  7. #7
    Join Date
    May 2011
    Location
    Bossier Parish La.
    Posts
    539

    Default

    Quote Originally Posted by Bob61 View Post
    Thanks for responding guys, here's the info.
    1. Need to work on my 95 Toyota Corolla and 95 2-wheel drive tacoma: both light weight.
    2. Plan for ramps would be approx 7' in length running from ground level to 16" in height to get in the door -

      Thanks again.
    1. If this is what I needed for these vehicles, I would build a ramp of compacted sand, and pour about a 3" thick slab of concrete over it to keep it there. No problems, no worries, and it's always there waiting for you when you need it. Save the black pipe for some other little project or maybe use some of it as rebar in the slab.

  8. #8
    Join Date
    Dec 2013
    Location
    At the epicenter of the Green Mountain Range in VT
    Posts
    251

    Default

    Quote Originally Posted by Bistineau View Post
    If this is what I needed for these vehicles, I would build a ramp of compacted sand, and pour about a 3" thick slab of concrete over it to keep it there. No problems, no worries, and it's always there waiting for you when you need it. Save the black pipe for some other little project or maybe use some of it as rebar in the slab.[/LIST]
    I wanted a thumb for my backhoe. I reworked a grapple from a log truck. Days later, I had a working thumb. Looks funny, works OK soon I will build one from scratch, and throw this mess away. When people try to make do with free material, the project never quite measures up. Grit your teeth, do it right. Years from now you will be proud, instead of making excuses why it doesn't quite work.

  9. #9
    Join Date
    Oct 2013
    Posts
    8

    Default

    Quote Originally Posted by Bistineau View Post
    If this is what I needed for these vehicles, I would build a ramp of compacted sand, and pour about a 3" thick slab of concrete over it to keep it there. No problems, no worries, and it's always there waiting for you when you need it. Save the black pipe for some other little project or maybe use some of it as rebar in the slab.[/LIST]
    Thanks...currently not in a position to construct a permanent fixture.

  10. #10
    Join Date
    Feb 2012
    Location
    Wa
    Posts
    531

    Default

    Quote Originally Posted by MMW View Post
    You can always get two 2x12x8' boards & block them underneath in two spots & you will be fine. Probably the cheapest & easiest.
    Yep. Don't even have to cut the boards at all.

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