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Old December 23rd, 2009, 07:01 PM   #1
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Default pipe cage questions Smart people help!!!!

my s10 will be wheeled hard like most of u. im gettin ready to build a bed cage on my truck its a 1998 s10 the one in my avatar. Anyway i have never built a pipe cage or a tube cage for that matter. i was hopin some of the smart people on this web site can help me out as far as design and waht material to buy and what are the pros/cons to pipe cage and pros/cons to tube cage. Just need to be pointed in the right direction. thanks
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Old December 23rd, 2009, 07:09 PM   #2
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Poop Pipe Info! - Great Lakes 4x4. The largest offroad forum in the Midwest

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Old December 23rd, 2009, 07:15 PM   #3
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the thing with a pipe cage is that it is measured on the inside and the wall thickness varies all the way down the length of the pipe. tube on the othe hand comes in several different kinds. there is welded seam which is flat steel that was rolled and welded down the length, then you have DOM or drawn over mandrel which is the prefered material. the least size would be 1 1/2" and probably no bigger then 1 3/4" the best would be 1 5/8" as the main hoops that support the cage. you can use the welded seam tubing as cross braces and gussets because it is cheaper then DOM. but use DOM for the main supports. the best way to build the cage is to use triangles in the design. triangles are the strongest. if you need to know more go to spike tv and go under xtreme 4x4 and watch the episodes on the international scout when ian builds the cage for it. i am sure others on great lakes will be willing to help. one person would be chevyrcks cause he just got done helping build a friends cage.
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Old December 23rd, 2009, 10:11 PM   #4
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X2 on using tubing rather than pipe. Pipe can be brittle and could crack or even shatter during an impact. Use either .090 or .120 wall 1 5/8 diameter DOM for the main supports. You can find places to mount a high lift, jerry cans, spare tire, etc on the bed cage.
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Old December 24th, 2009, 08:24 AM   #5
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im only about 20 minutes from you and i can help in any way needed.

do it right and use dom tubing imo, that being said you can make some pretty decent stuff with structural tubing too.
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Old December 24th, 2009, 08:32 AM   #6
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use 1.75" .120 wall DOM for the main hoop, and main supports. and HREW for the rest.
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Old December 24th, 2009, 12:19 PM   #7
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if you like your truck and your life use all DOM tube, it is the Best way to go and it is all i would ever use for my customers.. all you need is one good hard roll and dom will hold up the best for your buck
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Old December 24th, 2009, 07:02 PM   #8
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thanks every one for the info much appricated looks like im gunna spend the money on dom
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Old December 24th, 2009, 10:25 PM   #9
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If you use and specify A500 structual grade pipe, you would have no problems. that is a structual grade pipe. 1 1/4" sch. 40 A500 pipe has an O.D. of 1.66" with a wall thickness of .140". DOM is still an ERW tube that is drawn over a mandrel to smooth the I.D. the A500 pipe is processed the same way minus the being drawn over a mandrel part

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Old December 26th, 2009, 05:49 PM   #10
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Quote:
Originally Posted by m1a1abram View Post
Pipe can be brittle and could crack or even shatter during an impact.
Please don't talk if you don't know what you are talking about.

It is a viable material to use, if you do your research and use the correct material, A53b or A500b. Is the same material spec used in many 'HREW' rectangular tubes as well.

IMO, the #1 and #2 factors in your cages strength will be the structural design itself, and the welding quality. Material strength matters, too, but a safe cage can be made from HREW, DOM, or a correctly spec'd pipe material.


IF you have access to a bender with the correct tube die (1.75" for most people), then I would use tube. Only use pipe if a pipe bender is all you have, as there isn't really a strength or price difference between 1-1/4" sch 40 A500b pipe and 1.75 x 0.120" HREW.

If you do go with pipe, learn how to bend it without crushing the bends. Limit your bend angles as much as possible.


I've built cages from pipe and have no worries with using it (and yes, I did roll that vehicle a few times without damage). My current Jeep build will use 1.75x0.120 DOM for the cage.
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Old December 26th, 2009, 07:08 PM   #11
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Please don't talk if you don't know what you are talking about.
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Old December 26th, 2009, 07:32 PM   #12
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Quote:
Originally Posted by Haggar View Post
Only use pipe if a pipe bender is all you have, as there isn't really a strength or price difference between 1-1/4" sch 40 A500b pipe and 1.75 x 0.120" HREW.
There IS however a significant strength difference between DOM and HREW or an equivalent grade pipe.

If you build it properly, just about anything can hold up, a DOM cage will last longer in an apples to apples cage build.
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Old December 26th, 2009, 09:52 PM   #13
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There IS however a significant strength difference between DOM and HREW or an equivalent grade pipe.

If you build it properly, just about anything can hold up, a DOM cage will last longer in an apples to apples cage build.
Yes, certainly. I think around generally HREW is around 50ksi and DOM around80ksi. And both DOM and most pipe is more dent resistant than standard HREW.

But I still consider it a smaller factor, compared to other factors.

If you have a bad design, DOM doesn't help you much.
If you have poor welds, DOM doesn't help you much.

If you have the tools and budget for it, definately go that direction. I know I am. (1.75x0.120 DOM with a homebuilt hydro bender)

In michigan, for non comp use, any of those materials can produce a safe and strong cage. Doing comps, doing more situations where you will roll onto hard rocks, or bash into them, then DOM is going to live a lot longer.


It sounds like the OP is just wanting a roll bar for the bed. In that case, I'd go a little bigger on the tube size, 2.00" tube, or 1-1/2" sch 40 for pipe (1.90" OD), will be significantly stronger than 1.75 or 1-1/4", and look more proportional, IMO. Basically, make a main hoop, make sure its braced to the frame, put in an X-brace, run bars back to the rear, brace those as well.

Here's my old Toyota, done with 1-1/4" sch 40 (1.66" OD), on a cheapie HF bender. (The last piece of the X brace wasn't in). When I got rid of that truck, the roof was all dented in and the windshield smashed, from rollovers in Tellico, but the bars were just fine and did their job.

If you are doing an interior cage, I'd definately be using a good bender and tube, as you'll need tighter bends than you can do with a ram style bender.
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Old August 28th, 2012, 06:47 PM   #14
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Thought about using pipe for a k5 cage...main reason I didn't was because of its weight vs Dom.

I would recommend using pipe in impact areas over Dom, simply because it's strong enough and cheaper when you mangle it and have to buy new
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Old August 28th, 2012, 06:51 PM   #15
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Dude. What's with the bumping of all the ancient threads?
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Old August 28th, 2012, 07:12 PM   #16
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Super bored at work. Lookin at threads I'm interested in and adding where I see fit.
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Old August 28th, 2012, 07:41 PM   #17
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Super bored at work. Lookin at threads I'm interested in and adding where I see fit.
How about doing something else? This thread is from 2009, you were still in elementary school.
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Old August 28th, 2012, 08:18 PM   #18
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How about doing something else? This thread is from 2009, you were still in elementary school.
Haha, you know it. Why don't you just read something else?
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Old September 20th, 2012, 02:59 PM   #19
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Old September 20th, 2012, 04:47 PM   #20
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Quote:
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Thought about using pipe for a k5 cage...main reason I didn't was because of its weight vs Dom.

I would recommend using pipe in impact areas over Dom, simply because it's strong enough and cheaper when you mangle it and have to buy new
#1 you are dumb
#2 for example 1 1/2 pipe is 1 1/2" id with schedule 80 which is just under 1/4" wall. It comes out to around 1 7/8" od schedule 10 is the same od but has a larger id. Tubing is measured in od. There is no strength difference between tubing and pipe what so ever. It depends on the grade, not how it is measured.
#3 you are dumb
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