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Metal fabrication?? #7543344
03/29/22 09:22 PM
03/29/22 09:22 PM
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nate Offline OP
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First can a guy get a 2.5 inch Steel pipe bent to a 90 degree without weakening it? And where would a guy take it to get it done?

Last edited by nate; 03/29/22 09:23 PM.
Re: Metal fabrication?? [Re: nate] #7543348
03/29/22 09:25 PM
03/29/22 09:25 PM
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MNTrapper21 Offline
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A few factors would come into play. The first question is what is the size of the pipe and intended application

Re: Metal fabrication?? [Re: nate] #7543366
03/29/22 09:34 PM
03/29/22 09:34 PM
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MNTrapper21 Offline
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A cold bend will allow the metal to keep it structural integrity. Also depending on the application and 90 degree elbow can be welding in place instead of a bend

Re: Metal fabrication?? [Re: nate] #7543372
03/29/22 09:37 PM
03/29/22 09:37 PM
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Originally Posted by nate
I'm not sure on the gauge but 1/16 maybe a little heavier.


With a thin thickness like that Id find an exhaust and muffler shop and see if they can put it in a pipe bender

Re: Metal fabrication?? [Re: MNTrapper21] #7543375
03/29/22 09:41 PM
03/29/22 09:41 PM
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Midland, MI.
Seldom Offline
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Originally Posted by MNTrapper21
Originally Posted by nate
I'm not sure on the gauge but 1/16 maybe a little heavier.


With a thin thickness like that Id find an exhaust and muffler shop and see if they can put it in a pipe bender
This but is there a particular radius you need the 90 bent or do you just need a 90 degree turn and don’t care if it’s a sweeping bend or a normal short radius 90 degree welding elbow. In today’s world the muffler shops are all using inside mandrels on their benders so they can do a nice job without the inside bend wrinkles on thin-wall piping.

Last edited by Seldom; 03/29/22 09:46 PM.

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Re: Metal fabrication?? [Re: nate] #7543379
03/29/22 09:46 PM
03/29/22 09:46 PM
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BigBob Offline
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Try a muffler shop.


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Re: Metal fabrication?? [Re: nate] #7543381
03/29/22 09:49 PM
03/29/22 09:49 PM
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Midland, MI.
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Originally Posted by nate
I'm not sure on thickness but it's considerably stronger than exhaust pipe it's like what they use at fence corners or cloth line.
Sounds like you need a welding elbow which would be 2-3/8” OD. If you need a longer radius, a conduit bender might be your answer.

Last edited by Seldom; 03/29/22 09:54 PM.

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Re: Metal fabrication?? [Re: nate] #7543408
03/29/22 10:12 PM
03/29/22 10:12 PM
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Aliceville, Kansas 42
Yukon John Online content
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If you're good, and it's not structural...you can take pipe of the same size, and cut a great many pie shape wedges, and fit them in a 90, but like said not good for structure just purdiness.


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Re: Metal fabrication?? [Re: nate] #7543516
03/29/22 11:55 PM
03/29/22 11:55 PM
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When you say 2 1/2 pipe, it opens a can of worms. 2 1/2 pipe is 2.9 inches od winth an id of just over 2 inches. That is a standard pipe size. If it measures 2 1/2 inches od, it is a tubing and can be anything for wall and Id. A muffler shop makes crimp bends, and are no where near as strong as a good radius bend. Pipe bending is an art, and takes the right tools to make the bends and keep the size of the material consistant.


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Re: Metal fabrication?? [Re: nate] #7543541
03/30/22 01:03 AM
03/30/22 01:03 AM
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GritGuy Offline
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Only two ways to bend it, one with a mandrel bender, pipe place or maybe a muffler shop may help you , or two with cutting it and welding in a elbow !

One last way has been suggested but you better be a good welder and that would be sectioning it
out then welding it back together, a lot more work and with light duty pipe, one should be a very good welder !

I came back to this after giving it some more thought, one more way you can do this at home depending on leg sizes
sounds corny but is doable, I have done it before with smaller legs because it was a home job.

Get you some sand will need a good amount find where you bend is needed and mark it plus a foot or two further
make another mark, fill these area from mar to mark with the sand, block up your pipe and make it so one leg will not
move anchored very well, now heat up where the bend is to be to a cherry red color all the way around, will take a bit of
time as the sand will absorb some of the heat, when it gets to the red color have some one start putting pressure
on the loose leg in you L shape you need until you reach it, block it and let it cool down. don't go fast but go steady
keeping heat where needed while moving it. once you happy, let it be, don't throw water on it just let cool on its own

Yes a lot of effort but the cheapest way do a elbow 90 on thin pipe in one piece !!

Good Luck

Last edited by GritGuy; 03/30/22 01:25 AM. Reason: more information

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Re: Metal fabrication?? [Re: nate] #7543646
03/30/22 07:42 AM
03/30/22 07:42 AM
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Eagleye Offline
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I think a muffler shop is good advice or finding someone in the trades that has a hydraulic conduit bender

Re: Metal fabrication?? [Re: Eagleye] #7543667
03/30/22 08:01 AM
03/30/22 08:01 AM
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Hudson valley , NY
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slowpoke Offline
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I bend ridged schedule 40 pipe in my hydraulic pipe bender .
I can bend 90's , in up to 4 inch pipe - one shot ..
Find an electrical contractor in your area ..

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